ramnit | 5724dff81bdade2b6fe5e858b73421f8f1b1d9aca48dfffce8f5cc18cfcfb8b5

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 11:31

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General

Target

1b20af19468f2385be2da8436febb0ac_JaffaCakes118.dll
Size

156KB
MD5

1b20af19468f2385be2da8436febb0ac
SHA1

496ea51803ff20573208403f8cedaa28831d1fc1
SHA256

5724dff81bdade2b6fe5e858b73421f8f1b1d9aca48dfffce8f5cc18cfcfb8b5
SHA512

2c612cb9ebfdc59c76c228f29d2af703a4edb0e5e5337cec23ce19b21af117d449f18f172da02b0a3b68a905086f7c7b7bfeee1f811484b19af575f1d17736e1
SSDEEP

3072:lGttwyTViRa7B7xtAYC5jwZgFRnnMbabYwN4jYvhY6:lGXwyRN71xmnhwybnMs

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\\soqivwyn\\buiugaie.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 created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\buiugaie.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\buiugaie.exe	svchost.exe

Executes dropped EXE 2 IoCs

Processes:

qRP9q23sagpichktptlrdkm.exe

pid process

2004 qRP9q23
1204 sagpichktptlrdkm.exe

pid	process
2004	qRP9q23
1204	sagpichktptlrdkm.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 6 IoCs

Processes:

rundll32.exeqRP9q23

pid process

2804 rundll32.exe
2804 rundll32.exe
2004 qRP9q23
2004 qRP9q23
2004 qRP9q23
2004 qRP9q23

pid	process
2804	rundll32.exe
2804	rundll32.exe
2004	qRP9q23
2004	qRP9q23
2004	qRP9q23
2004	qRP9q23

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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\BuiUgaie = "C:\\Users\\Admin\\AppData\\Local\\soqivwyn\\buiugaie.exe"	svchost.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3000 2804 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3000	2804	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

pid	process
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe
2728	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

480

pid	process
480

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

qRP9q23svchost.exesvchost.exesagpichktptlrdkm.exe

description	pid	process
Token: SeSecurityPrivilege	2004	qRP9q23
Token: SeDebugPrivilege	2004	qRP9q23
Token: SeSecurityPrivilege	2652	svchost.exe
Token: SeSecurityPrivilege	2728	svchost.exe
Token: SeDebugPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeSecurityPrivilege	1204	sagpichktptlrdkm.exe
Token: SeLoadDriverPrivilege	1204	sagpichktptlrdkm.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe
Token: SeBackupPrivilege	2728	svchost.exe
Token: SeRestorePrivilege	2728	svchost.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

rundll32.exerundll32.exeqRP9q23

description	pid	process	target process
PID 2232 wrote to memory of 2804	2232	rundll32.exe	rundll32.exe
PID 2232 wrote to memory of 2804	2232	rundll32.exe	rundll32.exe
PID 2232 wrote to memory of 2804	2232	rundll32.exe	rundll32.exe
PID 2232 wrote to memory of 2804	2232	rundll32.exe	rundll32.exe
PID 2232 wrote to memory of 2804	2232	rundll32.exe	rundll32.exe
PID 2232 wrote to memory of 2804	2232	rundll32.exe	rundll32.exe
PID 2232 wrote to memory of 2804	2232	rundll32.exe	rundll32.exe
PID 2804 wrote to memory of 2004	2804	rundll32.exe	qRP9q23
PID 2804 wrote to memory of 2004	2804	rundll32.exe	qRP9q23
PID 2804 wrote to memory of 2004	2804	rundll32.exe	qRP9q23
PID 2804 wrote to memory of 2004	2804	rundll32.exe	qRP9q23
PID 2004 wrote to memory of 2652	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2652	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2652	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2652	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2652	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2652	2004	qRP9q23	svchost.exe
PID 2804 wrote to memory of 3000	2804	rundll32.exe	WerFault.exe
PID 2804 wrote to memory of 3000	2804	rundll32.exe	WerFault.exe
PID 2804 wrote to memory of 3000	2804	rundll32.exe	WerFault.exe
PID 2804 wrote to memory of 3000	2804	rundll32.exe	WerFault.exe
PID 2004 wrote to memory of 2652	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2652	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2652	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2652	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2728	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2728	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2728	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2728	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2728	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2728	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2728	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2728	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2728	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 2728	2004	qRP9q23	svchost.exe
PID 2004 wrote to memory of 1204	2004	qRP9q23	sagpichktptlrdkm.exe
PID 2004 wrote to memory of 1204	2004	qRP9q23	sagpichktptlrdkm.exe
PID 2004 wrote to memory of 1204	2004	qRP9q23	sagpichktptlrdkm.exe
PID 2004 wrote to memory of 1204	2004	qRP9q23	sagpichktptlrdkm.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b20af19468f2385be2da8436febb0ac_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2232

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b20af19468f2385be2da8436febb0ac_JaffaCakes118.dll,#1
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2804

C:\Users\Admin\AppData\Local\Temp\qRP9q23
"qRP9q23"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2652

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
4⤵
- 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:2728

C:\Users\Admin\AppData\Local\Temp\sagpichktptlrdkm.exe
"C:\Users\Admin\AppData\Local\Temp\sagpichktptlrdkm.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 228
3⤵
- Program crash
PID:3000

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\qRP9q23
Filesize
95KB

MD5
7fc51f7f09344a3dbeb28e14c35ce39d

SHA1
c8a9082351f5edcd3012d5379caa33e0804e954f

SHA256
91eceecf4fdcaff36652a1a3a5d25ee37fff70796e71438c60446a2ea72c0a78

SHA512
b40a5743a212038161065af0dbfd0aa7b386b9bd8ae080e621459465e6f6dd888cb9ee35b4f152e5f6931446ad3f1696f6b98b9494903d02ab86493939cae508

Download Submit
memory/1204-99-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/2004-15-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/2004-12-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/2004-86-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/2004-93-0x0000000002E00000-0x0000000002E3B000-memory.dmp

Filesize
236KB

Download
memory/2004-47-0x00000000775CF000-0x00000000775D0000-memory.dmp

Filesize
4KB

Download
memory/2004-14-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2004-17-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2004-18-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2004-78-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2004-67-0x00000000775D0000-0x00000000775D1000-memory.dmp

Filesize
4KB

Download
memory/2004-26-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/2004-46-0x00000000775D0000-0x00000000775D1000-memory.dmp

Filesize
4KB

Download
memory/2652-20-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2652-29-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2652-33-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2652-27-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2652-28-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2652-22-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2652-36-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2652-35-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2652-34-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2728-68-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-64-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-58-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-57-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-109-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-48-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-40-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-108-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-107-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-106-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-62-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-103-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-104-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2728-105-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2804-2-0x0000000074C00000-0x0000000074C2A000-memory.dmp

Filesize
168KB

Download
memory/2804-1-0x0000000074BE0000-0x0000000074C0A000-memory.dmp

Filesize
168KB

Download
memory/2804-11-0x00000000001F0000-0x000000000022B000-memory.dmp

Filesize
236KB

Download
memory/2804-3-0x0000000074BD0000-0x0000000074BFA000-memory.dmp

Filesize
168KB

Download