ramnit | 0d79c451f87019dc24daa921b731eae6df9ab3b4d4dd5a1b21c8b2f023831a1a

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 18:18

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General

Target

1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe
Size

109KB
MD5

1c05965a8dab71cc291c0a33e5540fb1
SHA1

7fd1eb08f73ab6d7567d4c94e5b4852a904e2d11
SHA256

0d79c451f87019dc24daa921b731eae6df9ab3b4d4dd5a1b21c8b2f023831a1a
SHA512

4b5a8fae42e64271602a178250f8958d063b08d10050091394ddc8268982b946307f15ef12fd2824dcdad89d6b6a7fca89f98f168bd79b8565ca0d37ce646a61
SSDEEP

3072:JDSKi/uBZqt1xZiYGBXp8zzpFk8jwaaHw7Koj4rLM:pSK+wS17aiHh

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

Processes:

svchost.exe

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

Processes:

svchost.exe

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

Processes:

svchost.exe

description ioc process

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

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

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

Drops startup file 2 IoCs

Processes:

svchost.exe

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

Executes dropped EXE 1 IoCs

Processes:

oydmwwtqfnrdidcg.exe

pid process

1664 oydmwwtqfnrdidcg.exe

pid	process
1664	oydmwwtqfnrdidcg.exe

Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs

defense_evasion

Safe Mode Boot

T1562.009

Processes:

svchost.exe

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

Loads dropped DLL 4 IoCs

Processes:

1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe

pid	process
1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe
1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe
1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe
1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\WtfRuuuk = "C:\\Users\\Admin\\AppData\\Local\\ncleeffh\\wtfruuuk.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

Processes:

svchost.exe

pid	process
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe
2600	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

476

pid	process
476

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exesvchost.exesvchost.exeoydmwwtqfnrdidcg.exe

description	pid	process
Token: SeSecurityPrivilege	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe
Token: SeDebugPrivilege	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe
Token: SeSecurityPrivilege	1952	svchost.exe
Token: SeSecurityPrivilege	2600	svchost.exe
Token: SeDebugPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeSecurityPrivilege	1664	oydmwwtqfnrdidcg.exe
Token: SeLoadDriverPrivilege	1664	oydmwwtqfnrdidcg.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe
Token: SeBackupPrivilege	2600	svchost.exe
Token: SeRestorePrivilege	2600	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe

description	pid	process	target process
PID 1780 wrote to memory of 1952	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 1952	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 1952	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 1952	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 1952	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 1952	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 1952	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 1952	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 1952	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 1952	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 2600	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 2600	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 2600	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 2600	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 2600	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 2600	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 2600	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 2600	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 2600	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 2600	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	svchost.exe
PID 1780 wrote to memory of 1664	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	oydmwwtqfnrdidcg.exe
PID 1780 wrote to memory of 1664	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	oydmwwtqfnrdidcg.exe
PID 1780 wrote to memory of 1664	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	oydmwwtqfnrdidcg.exe
PID 1780 wrote to memory of 1664	1780	1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe	oydmwwtqfnrdidcg.exe

C:\Users\Admin\AppData\Local\Temp\1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1c05965a8dab71cc291c0a33e5540fb1_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1952

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
- Impair Defenses: Safe Mode Boot
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2600

C:\Users\Admin\AppData\Local\Temp\oydmwwtqfnrdidcg.exe
"C:\Users\Admin\AppData\Local\Temp\oydmwwtqfnrdidcg.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1664

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\ncleeffh\wtfruuuk.exe
Filesize
109KB

MD5
1c05965a8dab71cc291c0a33e5540fb1

SHA1
7fd1eb08f73ab6d7567d4c94e5b4852a904e2d11

SHA256
0d79c451f87019dc24daa921b731eae6df9ab3b4d4dd5a1b21c8b2f023831a1a

SHA512
4b5a8fae42e64271602a178250f8958d063b08d10050091394ddc8268982b946307f15ef12fd2824dcdad89d6b6a7fca89f98f168bd79b8565ca0d37ce646a61

Download Submit
memory/1664-92-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1664-93-0x0000000000400000-0x0000000000439C28-memory.dmp

Filesize
231KB

Download
memory/1664-87-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1664-88-0x0000000000400000-0x0000000000439C28-memory.dmp

Filesize
231KB

Download
memory/1780-55-0x0000000077D30000-0x0000000077D31000-memory.dmp

Filesize
4KB

Download
memory/1780-13-0x0000000000400000-0x0000000000439C28-memory.dmp

Filesize
231KB

Download
memory/1780-14-0x0000000000400000-0x0000000000439C28-memory.dmp

Filesize
231KB

Download
memory/1780-1-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1780-2-0x0000000000400000-0x0000000000439C28-memory.dmp

Filesize
231KB

Download
memory/1780-84-0x0000000000400000-0x0000000000439C28-memory.dmp

Filesize
231KB

Download
memory/1780-28-0x0000000077D2F000-0x0000000077D30000-memory.dmp

Filesize
4KB

Download
memory/1780-27-0x0000000077D30000-0x0000000077D31000-memory.dmp

Filesize
4KB

Download
memory/1780-85-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1780-5-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1780-4-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1780-29-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/1780-81-0x0000000002760000-0x000000000279A000-memory.dmp

Filesize
232KB

Download
memory/1780-73-0x0000000002760000-0x000000000279A000-memory.dmp

Filesize
232KB

Download
memory/1780-74-0x0000000002760000-0x000000000279A000-memory.dmp

Filesize
232KB

Download
memory/1780-0-0x0000000000400000-0x0000000000439C28-memory.dmp

Filesize
231KB

Download
memory/1952-19-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1952-25-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/1952-15-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1952-26-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/1952-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1952-7-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1952-24-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1952-9-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/1952-20-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2600-36-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-94-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-62-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-52-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-61-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-30-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-46-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-56-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-59-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2600-103-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download