ramnit | 4b0b477f3376a36b2f7939c30a568069c17a583224e69ffa63e21e748955acfe

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 06:27

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General

Target

a31bada21fe1534531c065bde9f789f8.exe
Size

95KB
MD5

a31bada21fe1534531c065bde9f789f8
SHA1

8843e2a81e47c5666f1d3f1e531c9e591dea543e
SHA256

4b0b477f3376a36b2f7939c30a568069c17a583224e69ffa63e21e748955acfe
SHA512

525dc5d5f865f3d6aa7fca2613ea8925e40a76d4c889d2b3dc39de795fe40a3b46dbc1946f8d511ddf7d3fb0d1151547a4aa064a5187dc91e567458b9838aa73
SSDEEP

1536:QY5lAPkj6ri16pxNeRaNAj0yf+/2rlYlS+oqxYxBzHS82G5E8k8jwaaHw7Koj4r3:KkjN1acMAj0dNHxYbS/GFk8jwaaHw7Kw

Score

10^/10

ramnit banker 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\\jpmkipyi\\rveaspiv.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\rveaspiv.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rveaspiv.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1988	jbyuxrkfuknylkpj.exe

Loads dropped DLL 4 IoCs

pid	Process
1044	a31bada21fe1534531c065bde9f789f8.exe
1044	a31bada21fe1534531c065bde9f789f8.exe
1044	a31bada21fe1534531c065bde9f789f8.exe
1044	a31bada21fe1534531c065bde9f789f8.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-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\RveAspiv = "C:\\Users\\Admin\\AppData\\Local\\jpmkipyi\\rveaspiv.exe"	svchost.exe

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
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe
2548	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
468	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1044	a31bada21fe1534531c065bde9f789f8.exe
Token: SeDebugPrivilege	1044	a31bada21fe1534531c065bde9f789f8.exe
Token: SeSecurityPrivilege	2516	svchost.exe
Token: SeSecurityPrivilege	2548	svchost.exe
Token: SeDebugPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeSecurityPrivilege	1988	jbyuxrkfuknylkpj.exe
Token: SeLoadDriverPrivilege	1988	jbyuxrkfuknylkpj.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe
Token: SeBackupPrivilege	2548	svchost.exe
Token: SeRestorePrivilege	2548	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2516	1044	a31bada21fe1534531c065bde9f789f8.exe	28
PID 1044 wrote to memory of 2516	1044	a31bada21fe1534531c065bde9f789f8.exe	28
PID 1044 wrote to memory of 2516	1044	a31bada21fe1534531c065bde9f789f8.exe	28
PID 1044 wrote to memory of 2516	1044	a31bada21fe1534531c065bde9f789f8.exe	28
PID 1044 wrote to memory of 2516	1044	a31bada21fe1534531c065bde9f789f8.exe	28
PID 1044 wrote to memory of 2516	1044	a31bada21fe1534531c065bde9f789f8.exe	28
PID 1044 wrote to memory of 2516	1044	a31bada21fe1534531c065bde9f789f8.exe	28
PID 1044 wrote to memory of 2516	1044	a31bada21fe1534531c065bde9f789f8.exe	28
PID 1044 wrote to memory of 2516	1044	a31bada21fe1534531c065bde9f789f8.exe	28
PID 1044 wrote to memory of 2516	1044	a31bada21fe1534531c065bde9f789f8.exe	28
PID 1044 wrote to memory of 2548	1044	a31bada21fe1534531c065bde9f789f8.exe	29
PID 1044 wrote to memory of 2548	1044	a31bada21fe1534531c065bde9f789f8.exe	29
PID 1044 wrote to memory of 2548	1044	a31bada21fe1534531c065bde9f789f8.exe	29
PID 1044 wrote to memory of 2548	1044	a31bada21fe1534531c065bde9f789f8.exe	29
PID 1044 wrote to memory of 2548	1044	a31bada21fe1534531c065bde9f789f8.exe	29
PID 1044 wrote to memory of 2548	1044	a31bada21fe1534531c065bde9f789f8.exe	29
PID 1044 wrote to memory of 2548	1044	a31bada21fe1534531c065bde9f789f8.exe	29
PID 1044 wrote to memory of 2548	1044	a31bada21fe1534531c065bde9f789f8.exe	29
PID 1044 wrote to memory of 2548	1044	a31bada21fe1534531c065bde9f789f8.exe	29
PID 1044 wrote to memory of 2548	1044	a31bada21fe1534531c065bde9f789f8.exe	29
PID 1044 wrote to memory of 1988	1044	a31bada21fe1534531c065bde9f789f8.exe	30
PID 1044 wrote to memory of 1988	1044	a31bada21fe1534531c065bde9f789f8.exe	30
PID 1044 wrote to memory of 1988	1044	a31bada21fe1534531c065bde9f789f8.exe	30
PID 1044 wrote to memory of 1988	1044	a31bada21fe1534531c065bde9f789f8.exe	30

C:\Users\Admin\AppData\Local\Temp\a31bada21fe1534531c065bde9f789f8.exe
"C:\Users\Admin\AppData\Local\Temp\a31bada21fe1534531c065bde9f789f8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2516
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - Modifies WinLogon for persistence
  - UAC bypass
  - Checks BIOS information in registry
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2548
- C:\Users\Admin\AppData\Local\Temp\jbyuxrkfuknylkpj.exe
  "C:\Users\Admin\AppData\Local\Temp\jbyuxrkfuknylkpj.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1988

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

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

C:\Users\Admin\AppData\Local\jpmkipyi\rveaspiv.exe

Filesize
95KB

MD5
a31bada21fe1534531c065bde9f789f8

SHA1
8843e2a81e47c5666f1d3f1e531c9e591dea543e

SHA256
4b0b477f3376a36b2f7939c30a568069c17a583224e69ffa63e21e748955acfe

SHA512
525dc5d5f865f3d6aa7fca2613ea8925e40a76d4c889d2b3dc39de795fe40a3b46dbc1946f8d511ddf7d3fb0d1151547a4aa064a5187dc91e567458b9838aa73

Download Submit
memory/1044-0-0x0000000000400000-0x0000000000439458-memory.dmp

Filesize
229KB

Download
memory/1044-70-0x00000000027D0000-0x000000000280A000-memory.dmp

Filesize
232KB

Download
memory/1044-3-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/1044-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1044-7-0x0000000077DFF000-0x0000000077E00000-memory.dmp

Filesize
4KB

Download
memory/1044-8-0x0000000077E00000-0x0000000077E01000-memory.dmp

Filesize
4KB

Download
memory/1044-6-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1044-53-0x0000000077E00000-0x0000000077E01000-memory.dmp

Filesize
4KB

Download
memory/1044-2-0x0000000000400000-0x0000000000439458-memory.dmp

Filesize
229KB

Download
memory/1044-54-0x0000000000400000-0x0000000000439458-memory.dmp

Filesize
229KB

Download
memory/1044-57-0x00000000027D0000-0x000000000280A000-memory.dmp

Filesize
232KB

Download
memory/1044-1-0x0000000000400000-0x0000000000439458-memory.dmp

Filesize
229KB

Download
memory/1044-74-0x00000000027D0000-0x000000000280A000-memory.dmp

Filesize
232KB

Download
memory/1044-63-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/1988-77-0x00000000002B0000-0x00000000002B2000-memory.dmp

Filesize
8KB

Download
memory/1988-76-0x0000000000400000-0x0000000000439458-memory.dmp

Filesize
229KB

Download
memory/1988-79-0x0000000000400000-0x0000000000439458-memory.dmp

Filesize
229KB

Download
memory/2516-20-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2516-22-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2516-10-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2516-12-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2516-16-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2516-18-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2516-25-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2516-24-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2516-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2548-81-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-89-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-51-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-44-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-80-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-35-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-83-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-84-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-85-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-87-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-29-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-88-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-90-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-91-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-92-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-93-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-94-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2548-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download