ramnit | ad1adf33b046fb2e8c7e377859ab7600c7192f129a8b77c0e2dc9ff28872dcaa

Analysis

max time kernel
150s
max time network
144s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
26/06/2024, 17:39

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General

Target
12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe
Size 98KB
Sample240626-v8psvavdpc
SHA256 ad1adf33b046fb2e8c7e377859ab7600c7192f129a8b77c0e2dc9ff28872dcaa
MD5 12d4ca5d5585aed5722ca56fedf7d9ae
SHA1 94a272e42bd70405f810004bae94256adfe3fbe9
SHA512 9c3270d35b28fbb86ca25371ee21e48bd9e574c46952f3aee4b6701ec070d4dd0f350fa061605745f1a4f438461103ffaf11f41f719a5309e0cbdb4e2e4d90d0
SSDEEP 1536:znoNzMiAhLpKp8BNzMEbr4ErO0PNVSYJ9xcizk9D90K1Vy3ucHEvQMb4+4mCzsv8:0iMWpOYBckY6QEu6MFkPmCzse9DAE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ramnit banker defense_evasion evasion persistence spyware stealer trojan worm

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\vpiqtwhf\\evadewnv.exe"	svchost.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\evadewnv.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\evadewnv.exe	svchost.exe

Executes dropped EXE 2 IoCs

pid	Process
2156	vbuxgypcjeftrtli.exe
1128	vbuxgypcjeftrtli.exe

Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs

defense_evasion

Safe Mode Boot

T1562.009

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend	svchost.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc	svchost.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\Power	svchost.exe

Loads dropped DLL 5 IoCs

pid	Process
2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe
2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe
2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe
2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe
2156	vbuxgypcjeftrtli.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvaDewnv = "C:\\Users\\Admin\\AppData\\Local\\vpiqtwhf\\evadewnv.exe"	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 2052	2804	12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe	28
PID 2156 set thread context of 1128	2156	vbuxgypcjeftrtli.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe
Token: SeDebugPrivilege	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe
Token: SeSecurityPrivilege	3044	svchost.exe
Token: SeSecurityPrivilege	2752	svchost.exe
Token: SeDebugPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeSecurityPrivilege	1128	vbuxgypcjeftrtli.exe
Token: SeLoadDriverPrivilege	1128	vbuxgypcjeftrtli.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2052	2804	12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe	28
PID 2804 wrote to memory of 2052	2804	12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe	28
PID 2804 wrote to memory of 2052	2804	12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe	28
PID 2804 wrote to memory of 2052	2804	12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe	28
PID 2804 wrote to memory of 2052	2804	12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe	28
PID 2804 wrote to memory of 2052	2804	12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe	28
PID 2804 wrote to memory of 2052	2804	12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe	28
PID 2804 wrote to memory of 2052	2804	12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe	28
PID 2052 wrote to memory of 3044	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	29
PID 2052 wrote to memory of 3044	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	29
PID 2052 wrote to memory of 3044	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	29
PID 2052 wrote to memory of 3044	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	29
PID 2052 wrote to memory of 3044	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	29
PID 2052 wrote to memory of 3044	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	29
PID 2052 wrote to memory of 3044	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	29
PID 2052 wrote to memory of 3044	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	29
PID 2052 wrote to memory of 3044	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	29
PID 2052 wrote to memory of 3044	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	29
PID 2052 wrote to memory of 2752	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	30
PID 2052 wrote to memory of 2752	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	30
PID 2052 wrote to memory of 2752	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	30
PID 2052 wrote to memory of 2752	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	30
PID 2052 wrote to memory of 2752	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	30
PID 2052 wrote to memory of 2752	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	30
PID 2052 wrote to memory of 2752	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	30
PID 2052 wrote to memory of 2752	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	30
PID 2052 wrote to memory of 2752	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	30
PID 2052 wrote to memory of 2752	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	30
PID 2052 wrote to memory of 2156	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	31
PID 2052 wrote to memory of 2156	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	31
PID 2052 wrote to memory of 2156	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	31
PID 2052 wrote to memory of 2156	2052	12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe	31
PID 2156 wrote to memory of 1128	2156	vbuxgypcjeftrtli.exe	32
PID 2156 wrote to memory of 1128	2156	vbuxgypcjeftrtli.exe	32
PID 2156 wrote to memory of 1128	2156	vbuxgypcjeftrtli.exe	32
PID 2156 wrote to memory of 1128	2156	vbuxgypcjeftrtli.exe	32
PID 2156 wrote to memory of 1128	2156	vbuxgypcjeftrtli.exe	32
PID 2156 wrote to memory of 1128	2156	vbuxgypcjeftrtli.exe	32
PID 2156 wrote to memory of 1128	2156	vbuxgypcjeftrtli.exe	32
PID 2156 wrote to memory of 1128	2156	vbuxgypcjeftrtli.exe	32

C:\Users\Admin\AppData\Local\Temp\12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12d4ca5d5585aed5722ca56fedf7d9ae_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2804
- \??\c:\users\admin\appdata\local\temp\12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe
  "c:\users\admin\appdata\local\temp\12d4ca5d5585aed5722ca56fedf7d9ae_jaffacakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3044
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - Modifies WinLogon for persistence
    - UAC bypass
    - Checks BIOS information in registry
    - Drops startup file
    - Impair Defenses: Safe Mode Boot
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2752
- - C:\Users\Admin\AppData\Local\Temp\vbuxgypcjeftrtli.exe
    "C:\Users\Admin\AppData\Local\Temp\vbuxgypcjeftrtli.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2156
  - - \??\c:\users\admin\appdata\local\temp\vbuxgypcjeftrtli.exe
      "c:\users\admin\appdata\local\temp\vbuxgypcjeftrtli.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:1128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Safe Mode Boot

T1562.009

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

evadewnv.exe

Path C:\Users\Admin\AppData\Local\vpiqtwhf\evadewnv.exe
Size 98KB
SHA256 ad1adf33b046fb2e8c7e377859ab7600c7192f129a8b77c0e2dc9ff28872dcaa
MD5 12d4ca5d5585aed5722ca56fedf7d9ae
SHA1 94a272e42bd70405f810004bae94256adfe3fbe9
SHA512 9c3270d35b28fbb86ca25371ee21e48bd9e574c46952f3aee4b6701ec070d4dd0f350fa061605745f1a4f438461103ffaf11f41f719a5309e0cbdb4e2e4d90d0
SSDEEP 1536:znoNzMiAhLpKp8BNzMEbr4ErO0PNVSYJ9xcizk9D90K1Vy3ucHEvQMb4+4mCzsv8:0iMWpOYBckY6QEu6MFkPmCzse9DAE
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1128-119-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/1128-108-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/1128-114-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/1128-109-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-49-0x00000000770C0000-0x00000000770C1000-memory.dmp

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memory/2052-65-0x00000000770C0000-0x00000000770C1000-memory.dmp

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memory/2052-13-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-11-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-10-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-17-0x0000000000290000-0x0000000000291000-memory.dmp

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memory/2052-16-0x0000000000280000-0x0000000000281000-memory.dmp

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memory/2052-7-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-9-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-25-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2052-4-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-92-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-14-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-50-0x00000000770BF000-0x00000000770C0000-memory.dmp

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memory/2052-1-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2052-2-0x0000000000400000-0x0000000000432000-memory.dmp

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memory/2752-69-0x0000000020010000-0x000000002002C000-memory.dmp

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memory/2752-68-0x0000000020010000-0x000000002002C000-memory.dmp

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memory/2752-43-0x0000000020010000-0x000000002002C000-memory.dmp

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memory/2752-70-0x0000000020010000-0x000000002002C000-memory.dmp

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memory/2752-67-0x0000000020010000-0x000000002002C000-memory.dmp

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memory/2752-57-0x0000000020010000-0x000000002002C000-memory.dmp

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memory/2752-63-0x0000000020010000-0x000000002002C000-memory.dmp

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memory/2752-56-0x0000000020010000-0x000000002002C000-memory.dmp

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memory/2752-37-0x0000000020010000-0x000000002002C000-memory.dmp

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memory/3044-46-0x0000000000070000-0x0000000000071000-memory.dmp

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memory/3044-48-0x0000000000060000-0x0000000000061000-memory.dmp

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memory/3044-31-0x0000000020010000-0x000000002001C000-memory.dmp

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memory/3044-47-0x0000000000050000-0x0000000000051000-memory.dmp

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memory/3044-30-0x0000000020010000-0x000000002001C000-memory.dmp

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memory/3044-32-0x0000000020010000-0x000000002001C000-memory.dmp

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memory/3044-26-0x0000000020010000-0x000000002001C000-memory.dmp

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memory/3044-21-0x0000000000050000-0x0000000000051000-memory.dmp

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memory/3044-19-0x0000000020010000-0x000000002001C000-memory.dmp

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