ramnit | a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8

General

Target

a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe
Size

112KB
MD5

fa0c8f0988953dacb6cf4d5b33404f1c
SHA1

4310539111f8dd173808190b8257387d046b8fbb
SHA256

a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8
SHA512

6a6e7b85afd906f9e6f6f0094b6f89262bb0a1b729843ca63013a95e10388a984e03e8569f858512d287dd24afd96f1f4872e9ded9a4a6862641a34bce6d404a
SSDEEP

3072:1BbLXIiMqIe2KqOrx4J2vNbGfvGnd3gW5ZM4/uXv9cS:1dXIqHp/NdndPZMTXv9

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

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\\eaiaysvl\\mgamjsfc.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:

elxhlueihjmqvjpm.exe

pid process

2020 elxhlueihjmqvjpm.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

pid	process
2020	elxhlueihjmqvjpm.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\mgamjsfc.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mgamjsfc.exe	svchost.exe

Loads dropped DLL 4 IoCs

Processes:

a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe

pid	process
856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe
856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe
856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe
856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\MgaMjsfc = "C:\\Users\\Admin\\AppData\\Local\\eaiaysvl\\mgamjsfc.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
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe
2012	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

464

pid	process
464

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exesvchost.exesvchost.exeelxhlueihjmqvjpm.exe

description	pid	process
Token: SeSecurityPrivilege	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe
Token: SeDebugPrivilege	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe
Token: SeSecurityPrivilege	1072	svchost.exe
Token: SeSecurityPrivilege	2012	svchost.exe
Token: SeDebugPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeSecurityPrivilege	2020	elxhlueihjmqvjpm.exe
Token: SeLoadDriverPrivilege	2020	elxhlueihjmqvjpm.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe
Token: SeBackupPrivilege	2012	svchost.exe
Token: SeRestorePrivilege	2012	svchost.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe

description	pid	process	target process
PID 856 wrote to memory of 1072	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 1072	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 1072	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 1072	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 1072	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 1072	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 1072	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 1072	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 1072	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 1072	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2012	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2012	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2012	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2012	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2012	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2012	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2012	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2012	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2012	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2012	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	svchost.exe
PID 856 wrote to memory of 2020	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	elxhlueihjmqvjpm.exe
PID 856 wrote to memory of 2020	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	elxhlueihjmqvjpm.exe
PID 856 wrote to memory of 2020	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	elxhlueihjmqvjpm.exe
PID 856 wrote to memory of 2020	856	a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe	elxhlueihjmqvjpm.exe

C:\Users\Admin\AppData\Local\Temp\a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe
"C:\Users\Admin\AppData\Local\Temp\a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1072

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:2012

C:\Users\Admin\AppData\Local\Temp\elxhlueihjmqvjpm.exe
"C:\Users\Admin\AppData\Local\Temp\elxhlueihjmqvjpm.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2020

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\elxhlueihjmqvjpm.exe
Filesize
112KB

MD5
fa0c8f0988953dacb6cf4d5b33404f1c

SHA1
4310539111f8dd173808190b8257387d046b8fbb

SHA256
a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8

SHA512
6a6e7b85afd906f9e6f6f0094b6f89262bb0a1b729843ca63013a95e10388a984e03e8569f858512d287dd24afd96f1f4872e9ded9a4a6862641a34bce6d404a

Download Submit
C:\Users\Admin\AppData\Local\Temp\elxhlueihjmqvjpm.exe
Filesize
112KB

MD5
fa0c8f0988953dacb6cf4d5b33404f1c

SHA1
4310539111f8dd173808190b8257387d046b8fbb

SHA256
a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8

SHA512
6a6e7b85afd906f9e6f6f0094b6f89262bb0a1b729843ca63013a95e10388a984e03e8569f858512d287dd24afd96f1f4872e9ded9a4a6862641a34bce6d404a

Download Submit
\Users\Admin\AppData\Local\Temp\elxhlueihjmqvjpm.exe
Filesize
112KB

MD5
fa0c8f0988953dacb6cf4d5b33404f1c

SHA1
4310539111f8dd173808190b8257387d046b8fbb

SHA256
a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8

SHA512
6a6e7b85afd906f9e6f6f0094b6f89262bb0a1b729843ca63013a95e10388a984e03e8569f858512d287dd24afd96f1f4872e9ded9a4a6862641a34bce6d404a

Download Submit
\Users\Admin\AppData\Local\Temp\elxhlueihjmqvjpm.exe
Filesize
112KB

MD5
fa0c8f0988953dacb6cf4d5b33404f1c

SHA1
4310539111f8dd173808190b8257387d046b8fbb

SHA256
a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8

SHA512
6a6e7b85afd906f9e6f6f0094b6f89262bb0a1b729843ca63013a95e10388a984e03e8569f858512d287dd24afd96f1f4872e9ded9a4a6862641a34bce6d404a

Download Submit
\Users\Admin\AppData\Local\Temp\elxhlueihjmqvjpm.exe
Filesize
112KB

MD5
fa0c8f0988953dacb6cf4d5b33404f1c

SHA1
4310539111f8dd173808190b8257387d046b8fbb

SHA256
a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8

SHA512
6a6e7b85afd906f9e6f6f0094b6f89262bb0a1b729843ca63013a95e10388a984e03e8569f858512d287dd24afd96f1f4872e9ded9a4a6862641a34bce6d404a

Download Submit
\Users\Admin\AppData\Local\Temp\elxhlueihjmqvjpm.exe
Filesize
112KB

MD5
fa0c8f0988953dacb6cf4d5b33404f1c

SHA1
4310539111f8dd173808190b8257387d046b8fbb

SHA256
a38ba9a3c5a800474ad854f25022860b9360b22989ead59d1445010d2e0343d8

SHA512
6a6e7b85afd906f9e6f6f0094b6f89262bb0a1b729843ca63013a95e10388a984e03e8569f858512d287dd24afd96f1f4872e9ded9a4a6862641a34bce6d404a

Download Submit
memory/856-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/856-66-0x0000000000400000-0x00000000004377A4-memory.dmp

Filesize
221KB

Download
memory/856-80-0x0000000000400000-0x00000000004377A4-memory.dmp

Filesize
221KB

Download
memory/1072-56-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/1072-58-0x0000000000000000-mapping.dmp

Download
memory/1072-59-0x0000000020010000-0x000000002001C000-memory.dmp

Filesize
48KB

Download
memory/2012-65-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2012-70-0x0000000020010000-0x0000000020023000-memory.dmp

Filesize
76KB

Download
memory/2012-68-0x0000000000000000-mapping.dmp

Download
memory/2020-78-0x0000000000000000-mapping.dmp

Download
memory/2020-83-0x0000000000400000-0x00000000004377A4-memory.dmp

Filesize
221KB

Download
memory/2020-84-0x0000000000400000-0x00000000004377A4-memory.dmp

Filesize
221KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads