ramnit | 73f64a4af5fea6915b2bdfcd7260452604d0960c49e78d4847003a1d078db7fd

Analysis

max time kernel
150s
max time network
144s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 03:53

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General

Target

c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe
Size

127KB
MD5

c82fb754322fe4b17758860e3502b75b
SHA1

90a4926ecb1fb2bc58d063c59c65b575fa8f7543
SHA256

73f64a4af5fea6915b2bdfcd7260452604d0960c49e78d4847003a1d078db7fd
SHA512

5af0f71a1321fba8dc017acbb9b444e5bd2cbc5484d7f95741db3855e4f5ab2060765e806be7730b3870e2c24db88a5975b5593a828d2cc2491bce4bd8c845cf
SSDEEP

3072:96CTOsjaQAN/3UwZtxv/ib4nG6Qqw9Jx2FIRFMd:oCTOsWQuM6xv/44yq+Yy4

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

Executes dropped EXE 2 IoCs

pid	Process
876	iYju31Jt
1136	vninyobnwowbxjoa.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\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 6 IoCs

pid	Process
484	c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe
484	c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe
876	iYju31Jt
876	iYju31Jt
876	iYju31Jt
876	iYju31Jt

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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\EikSwmyh = "C:\\Users\\Admin\\AppData\\Local\\vcsgmjpq\\eikswmyh.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	vninyobnwowbxjoa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iYju31Jt
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	876	iYju31Jt
Token: SeDebugPrivilege	876	iYju31Jt
Token: SeSecurityPrivilege	2124	svchost.exe
Token: SeSecurityPrivilege	2844	svchost.exe
Token: SeDebugPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeSecurityPrivilege	1136	vninyobnwowbxjoa.exe
Token: SeLoadDriverPrivilege	1136	vninyobnwowbxjoa.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe
Token: SeBackupPrivilege	2844	svchost.exe
Token: SeRestorePrivilege	2844	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
484	c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 484 wrote to memory of 876	484	c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe	30
PID 484 wrote to memory of 876	484	c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe	30
PID 484 wrote to memory of 876	484	c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe	30
PID 484 wrote to memory of 876	484	c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe	30
PID 876 wrote to memory of 2124	876	iYju31Jt	31
PID 876 wrote to memory of 2124	876	iYju31Jt	31
PID 876 wrote to memory of 2124	876	iYju31Jt	31
PID 876 wrote to memory of 2124	876	iYju31Jt	31
PID 876 wrote to memory of 2124	876	iYju31Jt	31
PID 876 wrote to memory of 2124	876	iYju31Jt	31
PID 876 wrote to memory of 2124	876	iYju31Jt	31
PID 876 wrote to memory of 2124	876	iYju31Jt	31
PID 876 wrote to memory of 2124	876	iYju31Jt	31
PID 876 wrote to memory of 2124	876	iYju31Jt	31
PID 876 wrote to memory of 2844	876	iYju31Jt	32
PID 876 wrote to memory of 2844	876	iYju31Jt	32
PID 876 wrote to memory of 2844	876	iYju31Jt	32
PID 876 wrote to memory of 2844	876	iYju31Jt	32
PID 876 wrote to memory of 2844	876	iYju31Jt	32
PID 876 wrote to memory of 2844	876	iYju31Jt	32
PID 876 wrote to memory of 2844	876	iYju31Jt	32
PID 876 wrote to memory of 2844	876	iYju31Jt	32
PID 876 wrote to memory of 2844	876	iYju31Jt	32
PID 876 wrote to memory of 2844	876	iYju31Jt	32
PID 876 wrote to memory of 1136	876	iYju31Jt	34
PID 876 wrote to memory of 1136	876	iYju31Jt	34
PID 876 wrote to memory of 1136	876	iYju31Jt	34
PID 876 wrote to memory of 1136	876	iYju31Jt	34

C:\Users\Admin\AppData\Local\Temp\c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c82fb754322fe4b17758860e3502b75b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:484
- C:\Users\Admin\AppData\Local\Temp\iYju31Jt
  "iYju31Jt"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:876
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2124
- - 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:2844
- - C:\Users\Admin\AppData\Local\Temp\vninyobnwowbxjoa.exe
    "C:\Users\Admin\AppData\Local\Temp\vninyobnwowbxjoa.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1136

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\iYju31Jt

Filesize
95KB

MD5
7fc51f7f09344a3dbeb28e14c35ce39d

SHA1
c8a9082351f5edcd3012d5379caa33e0804e954f

SHA256
91eceecf4fdcaff36652a1a3a5d25ee37fff70796e71438c60446a2ea72c0a78

SHA512
b40a5743a212038161065af0dbfd0aa7b386b9bd8ae080e621459465e6f6dd888cb9ee35b4f152e5f6931446ad3f1696f6b98b9494903d02ab86493939cae508

Download Submit
memory/484-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/484-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/876-11-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/876-10-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/876-17-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/876-46-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/876-97-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/876-16-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/876-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/876-67-0x0000000077660000-0x0000000077661000-memory.dmp

Filesize
4KB

Download
memory/876-98-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/876-13-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/876-51-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/876-94-0x0000000002A00000-0x0000000002A3B000-memory.dmp

Filesize
236KB

Download
memory/876-86-0x00000000029F0000-0x0000000002A2B000-memory.dmp

Filesize
236KB

Download
memory/876-87-0x00000000029F0000-0x0000000002A2B000-memory.dmp

Filesize
236KB

Download
memory/876-39-0x000000007765F000-0x0000000077660000-memory.dmp

Filesize
4KB

Download
memory/876-38-0x0000000077660000-0x0000000077661000-memory.dmp

Filesize
4KB

Download
memory/876-78-0x000000007765F000-0x0000000077660000-memory.dmp

Filesize
4KB

Download
memory/1136-101-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/1136-103-0x0000000000400000-0x000000000043A04C-memory.dmp

Filesize
232KB

Download
memory/2124-26-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2124-33-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2124-21-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2124-19-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2124-25-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2124-31-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2124-32-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2124-27-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2124-34-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2844-68-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-106-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-63-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-47-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-58-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-57-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-64-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-104-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-105-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-40-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-107-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-108-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-109-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-110-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-111-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-112-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2844-113-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download