ramnit | ca5d1bf0f6290a2097c77932217daa89f92b05c3438f4dea0a216d8f55090bd7

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 23:30

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General

Target

f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe
Size

113KB
MD5

f63b7497e3513c23f8ab476daff4262a
SHA1

6f58c0df4b5a2f892ba36f30ac30d99a38ae8ba5
SHA256

ca5d1bf0f6290a2097c77932217daa89f92b05c3438f4dea0a216d8f55090bd7
SHA512

cab5cb89eb73fd61a1e25d4ee5f76e28646cca38d8bfe10c973218011dede11b8266662a4c27a175d00b1ccaed746c25e09f8d13b123872eceafa4b61f1a9b85
SSDEEP

3072:YOoJHQP6teA/2J3JmoqOX71x4J2vNbGfvGnd3gW5ZM4/une:4HPA3t9NdndPZMTe

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\\txmcqaul\\ceeobabc.exe"	svchost.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
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\ceeobabc.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ceeobabc.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	tjymgcdioumjaokb.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\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

pid	Process
2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe
2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe
2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe
2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\CeeObabc = "C:\\Users\\Admin\\AppData\\Local\\txmcqaul\\ceeobabc.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 4 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	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tjymgcdioumjaokb.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe
864	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe
Token: SeDebugPrivilege	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe
Token: SeSecurityPrivilege	2912	svchost.exe
Token: SeSecurityPrivilege	864	svchost.exe
Token: SeDebugPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeSecurityPrivilege	2540	tjymgcdioumjaokb.exe
Token: SeLoadDriverPrivilege	2540	tjymgcdioumjaokb.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe
Token: SeBackupPrivilege	864	svchost.exe
Token: SeRestorePrivilege	864	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2912	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2912	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2912	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2912	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2912	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2912	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2912	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2912	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2912	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2912	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	30
PID 2112 wrote to memory of 864	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	31
PID 2112 wrote to memory of 864	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	31
PID 2112 wrote to memory of 864	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	31
PID 2112 wrote to memory of 864	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	31
PID 2112 wrote to memory of 864	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	31
PID 2112 wrote to memory of 864	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	31
PID 2112 wrote to memory of 864	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	31
PID 2112 wrote to memory of 864	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	31
PID 2112 wrote to memory of 864	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	31
PID 2112 wrote to memory of 864	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2540	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2540	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2540	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	32
PID 2112 wrote to memory of 2540	2112	f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f63b7497e3513c23f8ab476daff4262a_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2912
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:864
- C:\Users\Admin\AppData\Local\Temp\tjymgcdioumjaokb.exe
  "C:\Users\Admin\AppData\Local\Temp\tjymgcdioumjaokb.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2540

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

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Downloads

C:\Users\Admin\AppData\Local\txmcqaul\ceeobabc.exe

Filesize
113KB

MD5
f63b7497e3513c23f8ab476daff4262a

SHA1
6f58c0df4b5a2f892ba36f30ac30d99a38ae8ba5

SHA256
ca5d1bf0f6290a2097c77932217daa89f92b05c3438f4dea0a216d8f55090bd7

SHA512
cab5cb89eb73fd61a1e25d4ee5f76e28646cca38d8bfe10c973218011dede11b8266662a4c27a175d00b1ccaed746c25e09f8d13b123872eceafa4b61f1a9b85

Download Submit
memory/864-88-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-87-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-25-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-32-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-96-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-95-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-94-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-93-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-92-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-91-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-90-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-89-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-44-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-49-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-50-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-41-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/864-42-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2112-1-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-31-0x00000000774FF000-0x0000000077500000-memory.dmp

Filesize
4KB

Download
memory/2112-2-0x0000000000400000-0x000000000043780C-memory.dmp

Filesize
222KB

Download
memory/2112-4-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2112-12-0x0000000000400000-0x000000000043780C-memory.dmp

Filesize
222KB

Download
memory/2112-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-61-0x0000000000400000-0x000000000043780C-memory.dmp

Filesize
222KB

Download
memory/2112-65-0x0000000002680000-0x00000000026B8000-memory.dmp

Filesize
224KB

Download
memory/2112-67-0x00000000774FF000-0x0000000077500000-memory.dmp

Filesize
4KB

Download
memory/2112-0-0x0000000000400000-0x000000000043780C-memory.dmp

Filesize
222KB

Download
memory/2540-85-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2540-86-0x0000000000400000-0x000000000043780C-memory.dmp

Filesize
222KB

Download
memory/2540-80-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2540-81-0x0000000000400000-0x000000000043780C-memory.dmp

Filesize
222KB

Download
memory/2912-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2912-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2912-20-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2912-6-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2912-8-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2912-17-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/2912-18-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2912-19-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2912-13-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download