ramnit | cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 02:56

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General

Target

cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe
Size

95KB
MD5

b481e709f45d3e9dbb44338c5fcb8b33
SHA1

addbce0b429a93b7c78b335bd527dbc31bbb7036
SHA256

cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f
SHA512

ea3c9811ed7af7278f6bccacf1c45edc9e86781c9e43b5b7e51231c97bbf442ea9a26e7661148e1331a93b0d68e208a91f603b914f8d351ff35304d3f12e61d3
SSDEEP

1536:e3Ynb+B0cU3rkgqre/s9/Vbr27lbOgm3MhSn/s8Xo48FNSF5E8k8jwaaHw7Koj4g:EYnb+BR6X0/VbcbIMhe/nXo/eFFk8jwC

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\\cwugeiua\\kamvoleq.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

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

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

Executes dropped EXE 1 IoCs

pid	Process
2908	cihqqndwcfisxjnk.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
2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe
2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe
2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe
2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\KamVoleq = "C:\\Users\\Admin\\AppData\\Local\\cwugeiua\\kamvoleq.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	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.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	cihqqndwcfisxjnk.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe
Token: SeDebugPrivilege	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe
Token: SeSecurityPrivilege	2796	svchost.exe
Token: SeSecurityPrivilege	2812	svchost.exe
Token: SeDebugPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeSecurityPrivilege	2908	cihqqndwcfisxjnk.exe
Token: SeLoadDriverPrivilege	2908	cihqqndwcfisxjnk.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2796	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	30
PID 2324 wrote to memory of 2796	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	30
PID 2324 wrote to memory of 2796	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	30
PID 2324 wrote to memory of 2796	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	30
PID 2324 wrote to memory of 2796	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	30
PID 2324 wrote to memory of 2796	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	30
PID 2324 wrote to memory of 2796	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	30
PID 2324 wrote to memory of 2796	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	30
PID 2324 wrote to memory of 2796	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	30
PID 2324 wrote to memory of 2796	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	30
PID 2324 wrote to memory of 2812	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	31
PID 2324 wrote to memory of 2812	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	31
PID 2324 wrote to memory of 2812	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	31
PID 2324 wrote to memory of 2812	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	31
PID 2324 wrote to memory of 2812	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	31
PID 2324 wrote to memory of 2812	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	31
PID 2324 wrote to memory of 2812	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	31
PID 2324 wrote to memory of 2812	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	31
PID 2324 wrote to memory of 2812	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	31
PID 2324 wrote to memory of 2812	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	31
PID 2324 wrote to memory of 2908	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	32
PID 2324 wrote to memory of 2908	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	32
PID 2324 wrote to memory of 2908	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	32
PID 2324 wrote to memory of 2908	2324	cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe	32

C:\Users\Admin\AppData\Local\Temp\cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe
"C:\Users\Admin\AppData\Local\Temp\cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2796
- 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:2812
- C:\Users\Admin\AppData\Local\Temp\cihqqndwcfisxjnk.exe
  "C:\Users\Admin\AppData\Local\Temp\cihqqndwcfisxjnk.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2908

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\cwugeiua\kamvoleq.exe

Filesize
95KB

MD5
b481e709f45d3e9dbb44338c5fcb8b33

SHA1
addbce0b429a93b7c78b335bd527dbc31bbb7036

SHA256
cc935886c742fb4a4fd6e9c402c89f8fd3351a678ea27b3ea09be8bedc5a6a5f

SHA512
ea3c9811ed7af7278f6bccacf1c45edc9e86781c9e43b5b7e51231c97bbf442ea9a26e7661148e1331a93b0d68e208a91f603b914f8d351ff35304d3f12e61d3

Download Submit
memory/2324-2-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2324-0-0x0000000000400000-0x000000000043A0B8-memory.dmp

Filesize
232KB

Download
memory/2324-83-0x00000000775AF000-0x00000000775B0000-memory.dmp

Filesize
4KB

Download
memory/2324-84-0x0000000002940000-0x000000000297B000-memory.dmp

Filesize
236KB

Download
memory/2324-75-0x0000000002940000-0x000000000297B000-memory.dmp

Filesize
236KB

Download
memory/2324-76-0x0000000002940000-0x000000000297B000-memory.dmp

Filesize
236KB

Download
memory/2324-6-0x0000000000400000-0x000000000043A0B8-memory.dmp

Filesize
232KB

Download
memory/2324-5-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2324-4-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2324-67-0x0000000000400000-0x000000000043A0B8-memory.dmp

Filesize
232KB

Download
memory/2324-56-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2324-1-0x00000000002C0000-0x00000000002C2000-memory.dmp

Filesize
8KB

Download
memory/2324-55-0x00000000002C0000-0x00000000002C2000-memory.dmp

Filesize
8KB

Download
memory/2324-38-0x00000000775AF000-0x00000000775B0000-memory.dmp

Filesize
4KB

Download
memory/2324-37-0x00000000775B0000-0x00000000775B1000-memory.dmp

Filesize
4KB

Download
memory/2324-54-0x00000000775B0000-0x00000000775B1000-memory.dmp

Filesize
4KB

Download
memory/2796-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2796-14-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2796-16-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2796-15-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2796-20-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2796-10-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2796-8-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2796-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2796-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2812-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-57-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-104-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-27-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-44-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-51-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-33-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-105-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-59-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-60-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2812-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2908-88-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2908-87-0x0000000000400000-0x000000000043A0B8-memory.dmp

Filesize
232KB

Download
memory/2908-94-0x0000000000400000-0x000000000043A0B8-memory.dmp

Filesize
232KB

Download
memory/2908-95-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2908-90-0x0000000000400000-0x000000000043A0B8-memory.dmp

Filesize
232KB

Download