ramnit | 9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e

General

Target

9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe
Size

138KB
MD5

fa060f23e51febba321e0d1fc9bfa8cd
SHA1

d0fa04ae2778037bc6ef107eaac86ed7ebcd84ee
SHA256

9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e
SHA512

1d892e371932f17d939d67aae6185a505d430e3493c1071af8d64784b9dcf28139e299f4f9f0c02bbee477109c4e7a7df5790a5759b1d2d2da2adf33725af707
SSDEEP

3072:MhjM+HG0S3gHdCf6RKHMpf8vNQ8Y/iPmH3jmKGlhn6nd6pPpj:wIWvHwf6RjCv6XjTMN6d6

Score

10^/10

ramnit banker evasion persistence spyware stealer trojan upx worm

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

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\\pshnybwu\\xvyajbgl.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
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe
Executes dropped EXE 1 IoCs

Processes:

pewuodfrwjcgbbgu.exe

pid process

1480 pewuodfrwjcgbbgu.exe

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

pid	process
1480	pewuodfrwjcgbbgu.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe	upx
\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe	upx
\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe	upx
\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe	upx
C:\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe	upx

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

Loads dropped DLL 4 IoCs

Processes:

9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe

pid	process
304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe
304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe
304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe
304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\XvyAjbgl = "C:\\Users\\Admin\\AppData\\Local\\pshnybwu\\xvyajbgl.exe"	svchost.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

svchost.exe

pid	process
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe
2040	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

460

pid	process
460

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exesvchost.exesvchost.exepewuodfrwjcgbbgu.exe

description	pid	process
Token: SeSecurityPrivilege	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe
Token: SeDebugPrivilege	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe
Token: SeSecurityPrivilege	1972	svchost.exe
Token: SeSecurityPrivilege	2040	svchost.exe
Token: SeDebugPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeSecurityPrivilege	1480	pewuodfrwjcgbbgu.exe
Token: SeLoadDriverPrivilege	1480	pewuodfrwjcgbbgu.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe
Token: SeBackupPrivilege	2040	svchost.exe
Token: SeRestorePrivilege	2040	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe

description	pid	process	target process
PID 304 wrote to memory of 1972	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 1972	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 1972	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 1972	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 1972	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 1972	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 1972	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 1972	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 1972	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 1972	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 2040	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 2040	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 2040	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 2040	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 2040	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 2040	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 2040	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 2040	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 2040	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 2040	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	svchost.exe
PID 304 wrote to memory of 1480	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	pewuodfrwjcgbbgu.exe
PID 304 wrote to memory of 1480	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	pewuodfrwjcgbbgu.exe
PID 304 wrote to memory of 1480	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	pewuodfrwjcgbbgu.exe
PID 304 wrote to memory of 1480	304	9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe	pewuodfrwjcgbbgu.exe

C:\Users\Admin\AppData\Local\Temp\9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe
"C:\Users\Admin\AppData\Local\Temp\9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:304

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1972

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:2040

C:\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe
"C:\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1480

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Modify Registry

3

T1112

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe
Filesize
138KB

MD5
fa060f23e51febba321e0d1fc9bfa8cd

SHA1
d0fa04ae2778037bc6ef107eaac86ed7ebcd84ee

SHA256
9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e

SHA512
1d892e371932f17d939d67aae6185a505d430e3493c1071af8d64784b9dcf28139e299f4f9f0c02bbee477109c4e7a7df5790a5759b1d2d2da2adf33725af707

Download Submit
\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe
Filesize
138KB

MD5
fa060f23e51febba321e0d1fc9bfa8cd

SHA1
d0fa04ae2778037bc6ef107eaac86ed7ebcd84ee

SHA256
9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e

SHA512
1d892e371932f17d939d67aae6185a505d430e3493c1071af8d64784b9dcf28139e299f4f9f0c02bbee477109c4e7a7df5790a5759b1d2d2da2adf33725af707

Download Submit
\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe
Filesize
138KB

MD5
fa060f23e51febba321e0d1fc9bfa8cd

SHA1
d0fa04ae2778037bc6ef107eaac86ed7ebcd84ee

SHA256
9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e

SHA512
1d892e371932f17d939d67aae6185a505d430e3493c1071af8d64784b9dcf28139e299f4f9f0c02bbee477109c4e7a7df5790a5759b1d2d2da2adf33725af707

Download Submit
\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe
Filesize
138KB

MD5
fa060f23e51febba321e0d1fc9bfa8cd

SHA1
d0fa04ae2778037bc6ef107eaac86ed7ebcd84ee

SHA256
9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e

SHA512
1d892e371932f17d939d67aae6185a505d430e3493c1071af8d64784b9dcf28139e299f4f9f0c02bbee477109c4e7a7df5790a5759b1d2d2da2adf33725af707

Download Submit
\Users\Admin\AppData\Local\Temp\pewuodfrwjcgbbgu.exe
Filesize
138KB

MD5
fa060f23e51febba321e0d1fc9bfa8cd

SHA1
d0fa04ae2778037bc6ef107eaac86ed7ebcd84ee

SHA256
9834566e806fdd9f2afceb9897378bc38213b18fbc88e3ce125c7c9cdc28909e

SHA512
1d892e371932f17d939d67aae6185a505d430e3493c1071af8d64784b9dcf28139e299f4f9f0c02bbee477109c4e7a7df5790a5759b1d2d2da2adf33725af707

Download Submit
memory/304-55-0x0000000074C91000-0x0000000074C93000-memory.dmp

Filesize
8KB

Download
memory/304-80-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/304-54-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1480-78-0x0000000000000000-mapping.dmp

Download
memory/1480-83-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1480-84-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1972-60-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1972-59-0x0000000000000000-mapping.dmp

Download
memory/1972-57-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2040-70-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download
memory/2040-68-0x0000000000000000-mapping.dmp

Download
memory/2040-66-0x0000000020010000-0x000000002002C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads