ramnit | 2fe47063e431776d6ab6dbda3b27959dd5632fe8d2680f414a66ff207d687fd1

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
28-06-2024 06:21

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General

Target

19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe
Size

97KB
MD5

19183a37407083e404ae86fce8a7f6e9
SHA1

18d3fa080e2e91b859d7fca57ccf99754f89501f
SHA256

2fe47063e431776d6ab6dbda3b27959dd5632fe8d2680f414a66ff207d687fd1
SHA512

c122cd0c8ea71922dcbe6c748fec85dcd4ec7e3b8a7023c8d9ec2113c02c27a505cfe3a945f9eabf99c012a038f5d8f9515594d67eb98e1520110d4ad73d1a84
SSDEEP

3072:jgeWPCmabC3YUSlr6WzA9dLy/R5jwaaHw7Koj4rH:c4PtUSlrdydm/4

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\\emnjwfdx\\mscvhfmo.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\mscvhfmo.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mscvhfmo.exe	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

exaqjhouyckpddni.exe

pid process

780 exaqjhouyckpddni.exe

pid	process
780	exaqjhouyckpddni.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\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 4 IoCs

Processes:

19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe

pid	process
1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe
1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe
1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe
1712	19183a37407083e404ae86fce8a7f6e9_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\MscVhfmo = "C:\\Users\\Admin\\AppData\\Local\\emnjwfdx\\mscvhfmo.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
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe
2900	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

476

pid	process
476

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exesvchost.exesvchost.exeexaqjhouyckpddni.exe

description	pid	process
Token: SeSecurityPrivilege	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe
Token: SeDebugPrivilege	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe
Token: SeSecurityPrivilege	3068	svchost.exe
Token: SeSecurityPrivilege	2900	svchost.exe
Token: SeDebugPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeSecurityPrivilege	780	exaqjhouyckpddni.exe
Token: SeLoadDriverPrivilege	780	exaqjhouyckpddni.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe
Token: SeBackupPrivilege	2900	svchost.exe
Token: SeRestorePrivilege	2900	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe

description	pid	process	target process
PID 1712 wrote to memory of 3068	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 3068	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 3068	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 3068	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 3068	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 3068	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 3068	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 3068	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 3068	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 3068	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 2900	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 2900	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 2900	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 2900	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 2900	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 2900	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 2900	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 2900	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 2900	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 2900	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	svchost.exe
PID 1712 wrote to memory of 780	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	exaqjhouyckpddni.exe
PID 1712 wrote to memory of 780	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	exaqjhouyckpddni.exe
PID 1712 wrote to memory of 780	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	exaqjhouyckpddni.exe
PID 1712 wrote to memory of 780	1712	19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe	exaqjhouyckpddni.exe

C:\Users\Admin\AppData\Local\Temp\19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\19183a37407083e404ae86fce8a7f6e9_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3068

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:2900

C:\Users\Admin\AppData\Local\Temp\exaqjhouyckpddni.exe
"C:\Users\Admin\AppData\Local\Temp\exaqjhouyckpddni.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:780

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\emnjwfdx\mscvhfmo.exe
Filesize
97KB

MD5
19183a37407083e404ae86fce8a7f6e9

SHA1
18d3fa080e2e91b859d7fca57ccf99754f89501f

SHA256
2fe47063e431776d6ab6dbda3b27959dd5632fe8d2680f414a66ff207d687fd1

SHA512
c122cd0c8ea71922dcbe6c748fec85dcd4ec7e3b8a7023c8d9ec2113c02c27a505cfe3a945f9eabf99c012a038f5d8f9515594d67eb98e1520110d4ad73d1a84

Download Submit
memory/780-90-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/780-89-0x0000000000400000-0x0000000000439054-memory.dmp

Filesize
228KB

Download
memory/780-87-0x0000000000400000-0x0000000000439054-memory.dmp

Filesize
228KB

Download
memory/780-86-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/780-84-0x0000000000400000-0x0000000000439054-memory.dmp

Filesize
228KB

Download
memory/1712-53-0x0000000077140000-0x0000000077141000-memory.dmp

Filesize
4KB

Download
memory/1712-1-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1712-0-0x0000000000400000-0x0000000000439054-memory.dmp

Filesize
228KB

Download
memory/1712-4-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1712-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1712-13-0x0000000000400000-0x0000000000439054-memory.dmp

Filesize
228KB

Download
memory/1712-80-0x0000000000400000-0x0000000000439054-memory.dmp

Filesize
228KB

Download
memory/1712-12-0x0000000000400000-0x0000000000439054-memory.dmp

Filesize
228KB

Download
memory/1712-82-0x0000000002900000-0x000000000293A000-memory.dmp

Filesize
232KB

Download
memory/1712-79-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1712-72-0x0000000002900000-0x000000000293A000-memory.dmp

Filesize
232KB

Download
memory/1712-34-0x000000007713F000-0x0000000077140000-memory.dmp

Filesize
4KB

Download
memory/1712-33-0x0000000077140000-0x0000000077141000-memory.dmp

Filesize
4KB

Download
memory/2900-35-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-93-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-51-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-44-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-60-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-58-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-56-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-55-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-27-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-94-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2900-92-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3068-14-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/3068-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/3068-8-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/3068-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/3068-20-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3068-19-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/3068-18-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3068-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/3068-6-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download