ramnit | c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d

General

Target

c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe
Size

53KB
MD5

16c173ad58c283909cc64c5d8ec7957a
SHA1

9667e6baa025dac16d1e01d4fc18eebe5f5e60c8
SHA256

c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d
SHA512

44af4a504789ef782a4844e641415be28e4aae1627aad848dff945e4650110d7b17d91f367c19913388373a11602ef05e93a2d3177e29672873f022564969d9d
SSDEEP

1536:giyy4Zexm5U1E+cZDuQnjZ+bz7/M4PZPOn1n:ly491EFMyjZ+bz7/ML1

Score

10^/10

ramnit banker 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:\\program files (x86)\\microsoft\\watermark.exe"	svchost.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Executes dropped EXE 1 IoCs

Processes:

WaterMark.exe

pid process

1268 WaterMark.exe

pid	process
1268	WaterMark.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
\Program Files (x86)\Microsoft\WaterMark.exe	upx
\Program Files (x86)\Microsoft\WaterMark.exe	upx
behavioral1/memory/1708-58-0x0000000000400000-0x000000000046B000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\WaterMark.exe	upx
C:\Program Files (x86)\Microsoft\WaterMark.exe	upx
behavioral1/memory/1268-60-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1268-71-0x0000000000400000-0x000000000046B000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe

pid	process
1708	c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe
1708	c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description ioc process

File created C:\Windows\SysWOW64\dmlconf.dat svchost.exe
File opened for modification C:\Windows\SysWOW64\dmlconf.dat svchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\dmlconf.dat	svchost.exe
File opened for modification	C:\Windows\SysWOW64\dmlconf.dat	svchost.exe

Drops file in Program Files directory 10 IoCs

Processes:

svchost.exec610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe

description	ioc	process
File opened for modification	C:\Program Files\7-Zip\7-zip32.dll	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	svchost.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.dll	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px1314.tmp	c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7z.dll	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WaterMark.exe

pid process

1268 WaterMark.exe
1268 WaterMark.exe
1268 WaterMark.exe
1268 WaterMark.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WaterMark.exe

description pid process

Token: SeDebugPrivilege 1268 WaterMark.exe

pid	process
1268	WaterMark.exe
1268	WaterMark.exe
1268	WaterMark.exe
1268	WaterMark.exe

description	pid	process
Token: SeDebugPrivilege	1268	WaterMark.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exeWaterMark.exe

description	pid	process	target process
PID 1708 wrote to memory of 1268	1708	c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe	WaterMark.exe
PID 1708 wrote to memory of 1268	1708	c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe	WaterMark.exe
PID 1708 wrote to memory of 1268	1708	c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe	WaterMark.exe
PID 1708 wrote to memory of 1268	1708	c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe	WaterMark.exe
PID 1268 wrote to memory of 1288	1268	WaterMark.exe	svchost.exe
PID 1268 wrote to memory of 1288	1268	WaterMark.exe	svchost.exe
PID 1268 wrote to memory of 1288	1268	WaterMark.exe	svchost.exe
PID 1268 wrote to memory of 1288	1268	WaterMark.exe	svchost.exe
PID 1268 wrote to memory of 1288	1268	WaterMark.exe	svchost.exe
PID 1268 wrote to memory of 1288	1268	WaterMark.exe	svchost.exe
PID 1268 wrote to memory of 1288	1268	WaterMark.exe	svchost.exe
PID 1268 wrote to memory of 1288	1268	WaterMark.exe	svchost.exe
PID 1268 wrote to memory of 1288	1268	WaterMark.exe	svchost.exe
PID 1268 wrote to memory of 1288	1268	WaterMark.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe
"C:\Users\Admin\AppData\Local\Temp\c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1708

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1268

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
3⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Drops file in Program Files directory
PID:1288

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\WaterMark.exe
Filesize
53KB

MD5
16c173ad58c283909cc64c5d8ec7957a

SHA1
9667e6baa025dac16d1e01d4fc18eebe5f5e60c8

SHA256
c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d

SHA512
44af4a504789ef782a4844e641415be28e4aae1627aad848dff945e4650110d7b17d91f367c19913388373a11602ef05e93a2d3177e29672873f022564969d9d

Download Submit
C:\Program Files (x86)\Microsoft\WaterMark.exe
Filesize
53KB

MD5
16c173ad58c283909cc64c5d8ec7957a

SHA1
9667e6baa025dac16d1e01d4fc18eebe5f5e60c8

SHA256
c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d

SHA512
44af4a504789ef782a4844e641415be28e4aae1627aad848dff945e4650110d7b17d91f367c19913388373a11602ef05e93a2d3177e29672873f022564969d9d

Download Submit
\Program Files (x86)\Microsoft\WaterMark.exe
Filesize
53KB

MD5
16c173ad58c283909cc64c5d8ec7957a

SHA1
9667e6baa025dac16d1e01d4fc18eebe5f5e60c8

SHA256
c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d

SHA512
44af4a504789ef782a4844e641415be28e4aae1627aad848dff945e4650110d7b17d91f367c19913388373a11602ef05e93a2d3177e29672873f022564969d9d

Download Submit
\Program Files (x86)\Microsoft\WaterMark.exe
Filesize
53KB

MD5
16c173ad58c283909cc64c5d8ec7957a

SHA1
9667e6baa025dac16d1e01d4fc18eebe5f5e60c8

SHA256
c610c346cf842b3f70c8fdea5353f98f154bff79a1358282509fdd887486c34d

SHA512
44af4a504789ef782a4844e641415be28e4aae1627aad848dff945e4650110d7b17d91f367c19913388373a11602ef05e93a2d3177e29672873f022564969d9d

Download Submit
memory/1268-56-0x0000000000000000-mapping.dmp

Download
memory/1268-71-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1268-60-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1288-65-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/1288-64-0x0000000000000000-mapping.dmp

Download
memory/1288-62-0x0000000020010000-0x0000000020020000-memory.dmp

Filesize
64KB

Download
memory/1288-66-0x0000000020010000-0x0000000020020000-memory.dmp

Filesize
64KB

Download
memory/1288-70-0x0000000020010000-0x0000000020020000-memory.dmp

Filesize
64KB

Download
memory/1708-58-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads