ramnit | 6c30a9e59bca447d2cddac9ec841eb2919c85a9296318ba546496221177c68a3

Analysis

max time kernel
150s
max time network
142s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-01-2025 08:01

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General

Target

JaffaCakes118_489cc3553d4e7633408c6e99d53b0346.exe
Size

136KB
MD5

489cc3553d4e7633408c6e99d53b0346
SHA1

5add5c4581743d1b72f186707b5a850cfe582fd9
SHA256

6c30a9e59bca447d2cddac9ec841eb2919c85a9296318ba546496221177c68a3
SHA512

3fb8b6c8b2aed1fb8e044f9f01f6da3c36bf253ea44a8ea3ab3a796d420f10bf8eccf085bc6a2d990f0cf5e16800cbce9d90697ab74c3d069ca4fc74255c0589
SSDEEP

3072:Cn4Ql7axPQNPTOZaE9HbKpVZrvkUgV8CSI8Yt4Ut868awWn:CnxaZQkR9HbSZTcVOOtA68BWn

Score

10^/10

ramnit banker defense_evasion discovery 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\\jncjensj\\rttvoncw.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 2 IoCs

defense_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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	jyrqqpegyegvutnj.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
3048	c4L9jM3
3008	jyrqqpegyegvutnj.exe
372	jyrqqpegyegvutnj.exe

Loads dropped DLL 6 IoCs

pid	Process
2984	JaffaCakes118_489cc3553d4e7633408c6e99d53b0346.exe
2984	JaffaCakes118_489cc3553d4e7633408c6e99d53b0346.exe
3048	c4L9jM3
3048	c4L9jM3
1964	cmd.exe
1964	cmd.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\RttVoncw = "C:\\Users\\Admin\\AppData\\Local\\jncjensj\\rttvoncw.exe"	svchost.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	jyrqqpegyegvutnj.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 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_489cc3553d4e7633408c6e99d53b0346.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4L9jM3
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	jyrqqpegyegvutnj.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe
3024	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
472	Process not Found

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeSecurityPrivilege	3048	c4L9jM3
Token: SeDebugPrivilege	3048	c4L9jM3
Token: SeSecurityPrivilege	2500	svchost.exe
Token: SeSecurityPrivilege	3024	svchost.exe
Token: SeDebugPrivilege	3024	svchost.exe
Token: SeSecurityPrivilege	3008	jyrqqpegyegvutnj.exe
Token: SeSecurityPrivilege	372	jyrqqpegyegvutnj.exe
Token: SeLoadDriverPrivilege	372	jyrqqpegyegvutnj.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 3048	2984	JaffaCakes118_489cc3553d4e7633408c6e99d53b0346.exe	30
PID 2984 wrote to memory of 3048	2984	JaffaCakes118_489cc3553d4e7633408c6e99d53b0346.exe	30
PID 2984 wrote to memory of 3048	2984	JaffaCakes118_489cc3553d4e7633408c6e99d53b0346.exe	30
PID 2984 wrote to memory of 3048	2984	JaffaCakes118_489cc3553d4e7633408c6e99d53b0346.exe	30
PID 3048 wrote to memory of 2500	3048	c4L9jM3	31
PID 3048 wrote to memory of 2500	3048	c4L9jM3	31
PID 3048 wrote to memory of 2500	3048	c4L9jM3	31
PID 3048 wrote to memory of 2500	3048	c4L9jM3	31
PID 3048 wrote to memory of 2500	3048	c4L9jM3	31
PID 3048 wrote to memory of 2500	3048	c4L9jM3	31
PID 3048 wrote to memory of 2500	3048	c4L9jM3	31
PID 3048 wrote to memory of 2500	3048	c4L9jM3	31
PID 3048 wrote to memory of 2500	3048	c4L9jM3	31
PID 3048 wrote to memory of 2500	3048	c4L9jM3	31
PID 3048 wrote to memory of 3024	3048	c4L9jM3	32
PID 3048 wrote to memory of 3024	3048	c4L9jM3	32
PID 3048 wrote to memory of 3024	3048	c4L9jM3	32
PID 3048 wrote to memory of 3024	3048	c4L9jM3	32
PID 3048 wrote to memory of 3024	3048	c4L9jM3	32
PID 3048 wrote to memory of 3024	3048	c4L9jM3	32
PID 3048 wrote to memory of 3024	3048	c4L9jM3	32
PID 3048 wrote to memory of 3024	3048	c4L9jM3	32
PID 3048 wrote to memory of 3024	3048	c4L9jM3	32
PID 3048 wrote to memory of 3024	3048	c4L9jM3	32
PID 3048 wrote to memory of 3008	3048	c4L9jM3	33
PID 3048 wrote to memory of 3008	3048	c4L9jM3	33
PID 3048 wrote to memory of 3008	3048	c4L9jM3	33
PID 3048 wrote to memory of 3008	3048	c4L9jM3	33
PID 3008 wrote to memory of 1964	3008	jyrqqpegyegvutnj.exe	34
PID 3008 wrote to memory of 1964	3008	jyrqqpegyegvutnj.exe	34
PID 3008 wrote to memory of 1964	3008	jyrqqpegyegvutnj.exe	34
PID 3008 wrote to memory of 1964	3008	jyrqqpegyegvutnj.exe	34
PID 1964 wrote to memory of 372	1964	cmd.exe	36
PID 1964 wrote to memory of 372	1964	cmd.exe	36
PID 1964 wrote to memory of 372	1964	cmd.exe	36
PID 1964 wrote to memory of 372	1964	cmd.exe	36

System policy modification 1 TTPs 1 IoCs

defense_evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_489cc3553d4e7633408c6e99d53b0346.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_489cc3553d4e7633408c6e99d53b0346.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\c4L9jM3
  "c4L9jM3"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3048
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2500
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - Modifies WinLogon for persistence
    - UAC bypass
    - Drops startup file
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3024
- - C:\Users\Admin\AppData\Local\Temp\jyrqqpegyegvutnj.exe
    "C:\Users\Admin\AppData\Local\Temp\jyrqqpegyegvutnj.exe" elevate
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3008
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\jyrqqpegyegvutnj.exe"" admin
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1964
    - - C:\Users\Admin\AppData\Local\Temp\jyrqqpegyegvutnj.exe
        
        "C:\Users\Admin\AppData\Local\Temp\jyrqqpegyegvutnj.exe" admin
        5⤵
        UAC bypass
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious use of AdjustPrivilegeToken
        System policy modification
        
        PID:372

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

Modify Registry

T1112

Credential Access

Discovery

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

\Users\Admin\AppData\Local\Temp\c4L9jM3

Filesize
91KB

MD5
e9639538d169c463914f6b2940eae754

SHA1
9d4fcf5d5cf2dcfb1ec07be9861b946f81f91647

SHA256
d36631b46cdce695237f408057ca3463a2487a9a9a32887e8b5001ff50c0718d

SHA512
b8b708a2ebcec4897ce27c97caf79105f0500937f0ec716f72aefa675968479645c0c5ddf8aa73ee7d12ff4ed565a53436902c7a1477c007bd2ce21a14d0fb21

Download Submit
memory/372-94-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2500-28-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2500-27-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2500-32-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2500-30-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2500-31-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2500-17-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2500-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2500-29-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2500-19-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2984-9-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2984-44-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2984-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/3008-87-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3024-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-63-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-36-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-104-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-103-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-58-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-67-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-55-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-56-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3024-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3048-14-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/3048-43-0x000000007766F000-0x0000000077670000-memory.dmp

Filesize
4KB

Download
memory/3048-10-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3048-86-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3048-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3048-66-0x0000000077670000-0x0000000077671000-memory.dmp

Filesize
4KB

Download
memory/3048-42-0x0000000077670000-0x0000000077671000-memory.dmp

Filesize
4KB

Download
memory/3048-13-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/3048-15-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download