ramnit | f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588

Analysis

max time kernel
120s
max time network
72s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 00:27

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General

Target

f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe
Size

154KB
MD5

d1a86d6617c02d6f108e23a07a8be6a0
SHA1

196fe6f3acaf1973f0e3aee0e3836a8cb030f825
SHA256

f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588
SHA512

629dc73cce5f9b0532d817aa3e519a70812f8566f01ed4256d59ab9cc6c6339b6809ddc0e7ecd7a65ba6662577e6394d18dd151126596884e9e9ab9ca201863c
SSDEEP

3072:vgh2I2r6EHIABO7Q+Wzk8jwaaHw7Koj4r0Q+nh1fz8xcOtfHDHDPf:6EH7yihLfzmj5bDn

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

Executes dropped EXE 1 IoCs

pid	Process
2084	yenjdtdsusitsxps.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\Power	svchost.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\WinDefend	svchost.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ProfSvc	svchost.exe

Loads dropped DLL 4 IoCs

pid	Process
2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe
2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe
2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe
2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\HysObrbm = "C:\\Users\\Admin\\AppData\\Local\\ysbcqruv\\hysobrbm.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yenjdtdsusitsxps.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe
2232	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
476	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe
Token: SeDebugPrivilege	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe
Token: SeSecurityPrivilege	2672	svchost.exe
Token: SeSecurityPrivilege	2232	svchost.exe
Token: SeDebugPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeSecurityPrivilege	2084	yenjdtdsusitsxps.exe
Token: SeLoadDriverPrivilege	2084	yenjdtdsusitsxps.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe
Token: SeBackupPrivilege	2232	svchost.exe
Token: SeRestorePrivilege	2232	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2672	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	30
PID 2080 wrote to memory of 2672	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	30
PID 2080 wrote to memory of 2672	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	30
PID 2080 wrote to memory of 2672	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	30
PID 2080 wrote to memory of 2672	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	30
PID 2080 wrote to memory of 2672	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	30
PID 2080 wrote to memory of 2672	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	30
PID 2080 wrote to memory of 2672	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	30
PID 2080 wrote to memory of 2672	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	30
PID 2080 wrote to memory of 2672	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	30
PID 2080 wrote to memory of 2232	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	31
PID 2080 wrote to memory of 2232	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	31
PID 2080 wrote to memory of 2232	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	31
PID 2080 wrote to memory of 2232	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	31
PID 2080 wrote to memory of 2232	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	31
PID 2080 wrote to memory of 2232	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	31
PID 2080 wrote to memory of 2232	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	31
PID 2080 wrote to memory of 2232	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	31
PID 2080 wrote to memory of 2232	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	31
PID 2080 wrote to memory of 2232	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	31
PID 2080 wrote to memory of 2084	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	32
PID 2080 wrote to memory of 2084	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	32
PID 2080 wrote to memory of 2084	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	32
PID 2080 wrote to memory of 2084	2080	f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe	32

C:\Users\Admin\AppData\Local\Temp\f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe
"C:\Users\Admin\AppData\Local\Temp\f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2672
- 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:2232
- C:\Users\Admin\AppData\Local\Temp\yenjdtdsusitsxps.exe
  "C:\Users\Admin\AppData\Local\Temp\yenjdtdsusitsxps.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2084

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\ysbcqruv\hysobrbm.exe

Filesize
154KB

MD5
d1a86d6617c02d6f108e23a07a8be6a0

SHA1
196fe6f3acaf1973f0e3aee0e3836a8cb030f825

SHA256
f145ba40ea8af1d7ccf0e4fb23065bc30c1497bb446b856aace283ab601aa588

SHA512
629dc73cce5f9b0532d817aa3e519a70812f8566f01ed4256d59ab9cc6c6339b6809ddc0e7ecd7a65ba6662577e6394d18dd151126596884e9e9ab9ca201863c

Download Submit
memory/2080-86-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2080-2-0x0000000000400000-0x0000000000439E00-memory.dmp

Filesize
231KB

Download
memory/2080-1-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2080-55-0x0000000000400000-0x0000000000439E00-memory.dmp

Filesize
231KB

Download
memory/2080-33-0x0000000077410000-0x0000000077411000-memory.dmp

Filesize
4KB

Download
memory/2080-39-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2080-0-0x0000000000400000-0x0000000000439E00-memory.dmp

Filesize
231KB

Download
memory/2080-83-0x0000000002BC0000-0x0000000002BFA000-memory.dmp

Filesize
232KB

Download
memory/2080-71-0x0000000002BC0000-0x0000000002BFA000-memory.dmp

Filesize
232KB

Download
memory/2080-13-0x0000000000400000-0x0000000000439E00-memory.dmp

Filesize
231KB

Download
memory/2080-4-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2080-68-0x000000007740F000-0x0000000077410000-memory.dmp

Filesize
4KB

Download
memory/2080-34-0x000000007740F000-0x0000000077410000-memory.dmp

Filesize
4KB

Download
memory/2080-56-0x0000000077410000-0x0000000077411000-memory.dmp

Filesize
4KB

Download
memory/2080-5-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/2080-57-0x0000000000400000-0x0000000000439E00-memory.dmp

Filesize
231KB

Download
memory/2084-87-0x0000000000400000-0x0000000000439E00-memory.dmp

Filesize
231KB

Download
memory/2084-89-0x0000000000400000-0x0000000000439E00-memory.dmp

Filesize
231KB

Download
memory/2084-92-0x0000000000400000-0x0000000000439E00-memory.dmp

Filesize
231KB

Download
memory/2084-93-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2232-52-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-58-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-46-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-27-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-35-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-60-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-63-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-67-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-62-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-99-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-100-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-101-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-102-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-45-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-103-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-50-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2232-94-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2672-21-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2672-9-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2672-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2672-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2672-14-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2672-19-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/2672-20-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2672-18-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2672-7-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download