ramnit | c250a4606ea37c51fa0b4afb1739597014abfe04424cbabd502b1a6382758635

General

Target

4293b792ab131741da2eda5f6dde7c87.exe
Size

94KB
MD5

4293b792ab131741da2eda5f6dde7c87
SHA1

ae19da32badbaf720e7339c56e86654c579ed6a6
SHA256

c250a4606ea37c51fa0b4afb1739597014abfe04424cbabd502b1a6382758635
SHA512

af27032eaf3d0badb3a386df760c1f260c540307858eec9301fdbcb4748ec2602367c3f4bffe5de9767651c15e821a0069baf29c669b39f3823232c5499cf6af
SSDEEP

1536:xQ+if/nwvn32SVo6CFDR/SwSz+e2dAS3F4ozjlFBN9WG5E8k8jwaaHw7Koj4rrw3:xQ5fqGko6CFgQeGV4UlFBNAGFk8jwaa9

Score

10^/10

ramnit banker 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

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\mpxjliva\\vhowfytc.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

Processes:

svchost.exe

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

Processes:

svchost.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion svchost.exe

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

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

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

Executes dropped EXE 1 IoCs

Processes:

nmmrhbvivvdlwtsq.exe

pid process

1652 nmmrhbvivvdlwtsq.exe

pid	process
1652	nmmrhbvivvdlwtsq.exe

Loads dropped DLL 4 IoCs

Processes:

4293b792ab131741da2eda5f6dde7c87.exe

pid	process
1852	4293b792ab131741da2eda5f6dde7c87.exe
1852	4293b792ab131741da2eda5f6dde7c87.exe
1852	4293b792ab131741da2eda5f6dde7c87.exe
1852	4293b792ab131741da2eda5f6dde7c87.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\VhoWfytc = "C:\\Users\\Admin\\AppData\\Local\\mpxjliva\\vhowfytc.exe"	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

pid	process
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

464

pid	process
464

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

4293b792ab131741da2eda5f6dde7c87.exesvchost.exesvchost.exenmmrhbvivvdlwtsq.exe

description	pid	process
Token: SeSecurityPrivilege	1852	4293b792ab131741da2eda5f6dde7c87.exe
Token: SeDebugPrivilege	1852	4293b792ab131741da2eda5f6dde7c87.exe
Token: SeSecurityPrivilege	3032	svchost.exe
Token: SeSecurityPrivilege	2756	svchost.exe
Token: SeDebugPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeSecurityPrivilege	1652	nmmrhbvivvdlwtsq.exe
Token: SeLoadDriverPrivilege	1652	nmmrhbvivvdlwtsq.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe
Token: SeBackupPrivilege	2756	svchost.exe
Token: SeRestorePrivilege	2756	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

4293b792ab131741da2eda5f6dde7c87.exe

description	pid	process	target process
PID 1852 wrote to memory of 3032	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 3032	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 3032	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 3032	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 3032	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 3032	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 3032	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 3032	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 3032	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 3032	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 2756	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 2756	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 2756	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 2756	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 2756	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 2756	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 2756	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 2756	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 2756	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 2756	1852	4293b792ab131741da2eda5f6dde7c87.exe	svchost.exe
PID 1852 wrote to memory of 1652	1852	4293b792ab131741da2eda5f6dde7c87.exe	nmmrhbvivvdlwtsq.exe
PID 1852 wrote to memory of 1652	1852	4293b792ab131741da2eda5f6dde7c87.exe	nmmrhbvivvdlwtsq.exe
PID 1852 wrote to memory of 1652	1852	4293b792ab131741da2eda5f6dde7c87.exe	nmmrhbvivvdlwtsq.exe
PID 1852 wrote to memory of 1652	1852	4293b792ab131741da2eda5f6dde7c87.exe	nmmrhbvivvdlwtsq.exe

C:\Users\Admin\AppData\Local\Temp\4293b792ab131741da2eda5f6dde7c87.exe
"C:\Users\Admin\AppData\Local\Temp\4293b792ab131741da2eda5f6dde7c87.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3032

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
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2756

C:\Users\Admin\AppData\Local\Temp\nmmrhbvivvdlwtsq.exe
"C:\Users\Admin\AppData\Local\Temp\nmmrhbvivvdlwtsq.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1652

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Modify Registry

3

T1112

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

1

T1562.001

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\mpxjliva\vhowfytc.exe
Filesize
94KB

MD5
4293b792ab131741da2eda5f6dde7c87

SHA1
ae19da32badbaf720e7339c56e86654c579ed6a6

SHA256
c250a4606ea37c51fa0b4afb1739597014abfe04424cbabd502b1a6382758635

SHA512
af27032eaf3d0badb3a386df760c1f260c540307858eec9301fdbcb4748ec2602367c3f4bffe5de9767651c15e821a0069baf29c669b39f3823232c5499cf6af

Download Submit
memory/1652-88-0x0000000000400000-0x0000000000439AE8-memory.dmp

Filesize
230KB

Download
memory/1652-85-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/1852-74-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/1852-81-0x0000000077A7F000-0x0000000077A80000-memory.dmp

Filesize
4KB

Download
memory/1852-6-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1852-1-0x0000000000400000-0x0000000000439AE8-memory.dmp

Filesize
230KB

Download
memory/1852-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/1852-5-0x0000000077A7F000-0x0000000077A80000-memory.dmp

Filesize
4KB

Download
memory/1852-0-0x0000000000400000-0x0000000000439AE8-memory.dmp

Filesize
230KB

Download
memory/1852-73-0x0000000002690000-0x00000000026CA000-memory.dmp

Filesize
232KB

Download
memory/1852-72-0x0000000002690000-0x00000000026CA000-memory.dmp

Filesize
232KB

Download
memory/1852-71-0x0000000000400000-0x0000000000439AE8-memory.dmp

Filesize
230KB

Download
memory/1852-7-0x0000000077A80000-0x0000000077A81000-memory.dmp

Filesize
4KB

Download
memory/1852-53-0x0000000077A80000-0x0000000077A81000-memory.dmp

Filesize
4KB

Download
memory/1852-4-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2756-89-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-63-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-96-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-56-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-44-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-50-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-97-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-95-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-54-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-94-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-57-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-59-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-61-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-98-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-43-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-93-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-34-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-92-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-91-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-90-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-55-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2756-28-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/3032-9-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/3032-11-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/3032-15-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/3032-17-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3032-24-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/3032-22-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/3032-20-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3032-23-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/3032-19-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads