ramnit | ca05c8ce6a3a33404b9abc6c77e234a7f8bd2e7e8de1b88ef6087da07a01b6f4

Analysis

max time kernel
150s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 13:25

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General

Target

da7013f9b484dfde31a6651d33169d43_JaffaCakes118.exe
Size

140KB
MD5

da7013f9b484dfde31a6651d33169d43
SHA1

9c4968d24cf4899f1a0b6a2d7ee9123becb17dd6
SHA256

ca05c8ce6a3a33404b9abc6c77e234a7f8bd2e7e8de1b88ef6087da07a01b6f4
SHA512

20e42c6dd1758ce4bd24aba71a0916491d64f45ae7f995aa9d567f0251ef50de02d1e8175d3754d90905ccb36f315104f20fad820a72991c99e802ecb61208e2
SSDEEP

1536:y6g37Kf/JToD3BNmjuwIfy+zyF0yqpP/mOoIXWZiMMW4TdHRR1c7G/uX55BMqri2:BS0xToTByhItzfjH9eYW4TdRL/EkRpu

Score

10^/10

ramnit banker defense_evasion discovery 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\\biybkhsa\\joqqukcq.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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\joqqukcq.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\joqqukcq.exe	svchost.exe

Executes dropped EXE 2 IoCs

pid	Process
2828	jFVnPayM4
1744	btolwmbwgtfojoto.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\Power	svchost.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend	svchost.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc	svchost.exe

Loads dropped DLL 6 IoCs

pid	Process
2708	da7013f9b484dfde31a6651d33169d43_JaffaCakes118.exe
2708	da7013f9b484dfde31a6651d33169d43_JaffaCakes118.exe
2828	jFVnPayM4
2828	jFVnPayM4
2828	jFVnPayM4
2828	jFVnPayM4

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\JoqQukcq = "C:\\Users\\Admin\\AppData\\Local\\biybkhsa\\joqqukcq.exe"	svchost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	btolwmbwgtfojoto.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da7013f9b484dfde31a6651d33169d43_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jFVnPayM4
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe
1748	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
480	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2828	jFVnPayM4
Token: SeDebugPrivilege	2828	jFVnPayM4
Token: SeSecurityPrivilege	2860	svchost.exe
Token: SeSecurityPrivilege	1748	svchost.exe
Token: SeDebugPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeSecurityPrivilege	1744	btolwmbwgtfojoto.exe
Token: SeLoadDriverPrivilege	1744	btolwmbwgtfojoto.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe
Token: SeBackupPrivilege	1748	svchost.exe
Token: SeRestorePrivilege	1748	svchost.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2828	2708	da7013f9b484dfde31a6651d33169d43_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2828	2708	da7013f9b484dfde31a6651d33169d43_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2828	2708	da7013f9b484dfde31a6651d33169d43_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2828	2708	da7013f9b484dfde31a6651d33169d43_JaffaCakes118.exe	30
PID 2828 wrote to memory of 2860	2828	jFVnPayM4	31
PID 2828 wrote to memory of 2860	2828	jFVnPayM4	31
PID 2828 wrote to memory of 2860	2828	jFVnPayM4	31
PID 2828 wrote to memory of 2860	2828	jFVnPayM4	31
PID 2828 wrote to memory of 2860	2828	jFVnPayM4	31
PID 2828 wrote to memory of 2860	2828	jFVnPayM4	31
PID 2828 wrote to memory of 2860	2828	jFVnPayM4	31
PID 2828 wrote to memory of 2860	2828	jFVnPayM4	31
PID 2828 wrote to memory of 2860	2828	jFVnPayM4	31
PID 2828 wrote to memory of 2860	2828	jFVnPayM4	31
PID 2828 wrote to memory of 1748	2828	jFVnPayM4	32
PID 2828 wrote to memory of 1748	2828	jFVnPayM4	32
PID 2828 wrote to memory of 1748	2828	jFVnPayM4	32
PID 2828 wrote to memory of 1748	2828	jFVnPayM4	32
PID 2828 wrote to memory of 1748	2828	jFVnPayM4	32
PID 2828 wrote to memory of 1748	2828	jFVnPayM4	32
PID 2828 wrote to memory of 1748	2828	jFVnPayM4	32
PID 2828 wrote to memory of 1748	2828	jFVnPayM4	32
PID 2828 wrote to memory of 1748	2828	jFVnPayM4	32
PID 2828 wrote to memory of 1748	2828	jFVnPayM4	32
PID 2828 wrote to memory of 1744	2828	jFVnPayM4	33
PID 2828 wrote to memory of 1744	2828	jFVnPayM4	33
PID 2828 wrote to memory of 1744	2828	jFVnPayM4	33
PID 2828 wrote to memory of 1744	2828	jFVnPayM4	33

C:\Users\Admin\AppData\Local\Temp\da7013f9b484dfde31a6651d33169d43_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\da7013f9b484dfde31a6651d33169d43_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\jFVnPayM4
  "jFVnPayM4"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2860
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1748
- - C:\Users\Admin\AppData\Local\Temp\btolwmbwgtfojoto.exe
    "C:\Users\Admin\AppData\Local\Temp\btolwmbwgtfojoto.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1744

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\jFVnPayM4

Filesize
95KB

MD5
728a53df2a3d2f5307fe1cc77179d2a5

SHA1
a3c9de63748878de218c872e97eef0de767df853

SHA256
d9ee5d0e2dd387be3a501cc88cb2b2b310016cdedd7a83be402c203e4dc76e9e

SHA512
7496a435296ca0b08b554fb779ab3eb6709064a480a93e6f948f14a072cfbc1fe7e7ac8a31ea572b7a9910ad6b3d6e2019993bfd609d199cefd61c609c7fe893

Download Submit
memory/1744-86-0x0000000000400000-0x0000000000439F6C-memory.dmp

Filesize
231KB

Download
memory/1744-92-0x0000000000400000-0x0000000000439F6C-memory.dmp

Filesize
231KB

Download
memory/1748-65-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-34-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-103-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-40-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-68-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-62-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-60-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-57-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-50-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-49-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1748-59-0x0000000076FF0000-0x0000000077199000-memory.dmp

Filesize
1.7MB

Download
memory/2708-9-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2708-1-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2828-87-0x0000000000400000-0x0000000000439F6C-memory.dmp

Filesize
231KB

Download
memory/2828-11-0x0000000076FF0000-0x0000000077199000-memory.dmp

Filesize
1.7MB

Download
memory/2828-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2828-16-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2828-83-0x0000000002A60000-0x0000000002A9A000-memory.dmp

Filesize
232KB

Download
memory/2828-14-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2828-12-0x0000000000400000-0x0000000000439F6C-memory.dmp

Filesize
231KB

Download
memory/2860-30-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2860-17-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2860-19-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2860-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2860-27-0x0000000076FF0000-0x0000000077199000-memory.dmp

Filesize
1.7MB

Download
memory/2860-29-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2860-28-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download