gootkit | a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df

General

Target

a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.exe
Size

619KB
MD5

a4a24a3daed6b4673884187b131c968b
SHA1

b20661090b7305239d75209bac8d2179f648dcaa
SHA256

a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df
SHA512

3f49b3876921b41483b907066c9f1f6a61d3fe759219c2db8cb048473b94ba52ab064fcc7c4615da2e1b8056dedc93bf22ed865ff4df442e5ba5c43b1c6082dc

Score

10^/10

gootkit 260319 banker botnet trojan

Malware Config

Extracted

Family

gootkit

Botnet

260319

C2

sillikogermin.com

feferturietan.com

manjuorlidnqo.com

chechelderpos.com

kalamindridro.com

Attributes

vendor_id
260319

Signatures

Gootkit
Gootkit is a banking trojan, where large parts are written in node.JS.
trojan banker botnet gootkit

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	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 use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeShutdownPrivilege	1076	svchost.exe
Token: SeCreatePagefilePrivilege	1076	svchost.exe
Token: SeShutdownPrivilege	1076	svchost.exe
Token: SeCreatePagefilePrivilege	1076	svchost.exe
Token: SeShutdownPrivilege	1076	svchost.exe
Token: SeCreatePagefilePrivilege	1076	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.execmd.exe

description	pid	process	target process
PID 4728 wrote to memory of 3084	4728	a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.exe	cmd.exe
PID 4728 wrote to memory of 3084	4728	a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.exe	cmd.exe
PID 4728 wrote to memory of 3084	4728	a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.exe	cmd.exe
PID 3084 wrote to memory of 3744	3084	cmd.exe	attrib.exe
PID 3084 wrote to memory of 3744	3084	cmd.exe	attrib.exe
PID 3084 wrote to memory of 3744	3084	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3744 attrib.exe

pid	process
3744	attrib.exe

C:\Users\Admin\AppData\Local\Temp\a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.exe
"C:\Users\Admin\AppData\Local\Temp\a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4728
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\30257187.bat" "C:\Users\Admin\AppData\Local\Temp\a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.exe""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Windows\SysWOW64\attrib.exe
    attrib -r -s -h "C:\Users\Admin\AppData\Local\Temp\a3c243afceb1fb38f25ae81816891d7d7c11ae76e80a43f31d2ceb9833f2f3df.exe"
    3⤵
    - Views/modifies file attributes
    PID:3744

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\30257187.bat

MD5
21c397d45a75dd3ce1ddb94cf5b63a7f

SHA1
ec3de1bbb4e47e0b9cafec64f38a0b392d7f62e3

SHA256
9dc219091717908c6f637b9869ce4bd186728ad2fd084f2388256689bfebe64a

SHA512
b253a8c259ff73958ca7339207431e73bcadda99afff17f85e720fd6c71e6b82c744d5e34c13d0616bea1889b5d3e6d2249038a2f92f5ddddffe4dd2e9ab31e1

Download Submit
memory/1076-131-0x000002D38A720000-0x000002D38A730000-memory.dmp

Filesize
64KB

Download
memory/1076-130-0x000002D38A190000-0x000002D38A1A0000-memory.dmp

Filesize
64KB

Download
memory/1076-132-0x000002D38CE10000-0x000002D38CE14000-memory.dmp

Filesize
16KB

Download
memory/4728-134-0x0000000000E20000-0x0000000000E21000-memory.dmp

Filesize
4KB

Download
memory/4728-133-0x0000000000143000-0x0000000000148000-memory.dmp

Filesize
20KB

Download
memory/4728-135-0x00000000000D0000-0x00000000000FC000-memory.dmp

Filesize
176KB

Download
memory/4728-136-0x00000000000D0000-0x000000000017E000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads