sakula | ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9e

General

Target

ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe
Size

140KB
MD5

5be18cfd18903dd0556eb93649ad8390
SHA1

803b265533f5cca1242e6ebe907cfc6a584693bd
SHA256

ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9e
SHA512

8a8f68b2bb9efaae17d4b0e4a1d4ac0fbcacdbf0106f9a1c168fb4ef8c5f209c71c0736f22690dc0e78fa2e59aee3cc752f506b9aa264b17f6c76b8f2b8abe35
SSDEEP

1536:6QFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+mdz30rtr8gjmy9xNDCkrR:x29DkEGRQixVSjLa130BYgjmy9T7R

Score

10^/10

sakula discovery persistence rat trojan upx

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Sakula family
sakula

Sakula payload 6 IoCs

resource	yara_rule
behavioral2/memory/4744-0-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/files/0x0009000000023c4a-3.dat	family_sakula
behavioral2/memory/2184-4-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/memory/4744-6-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/memory/2184-7-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula
behavioral2/memory/4744-8-0x0000000000400000-0x0000000000425000-memory.dmp	family_sakula

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe

Executes dropped EXE 1 IoCs

pid	Process
2184	MediaCenter.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4744-0-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/files/0x0009000000023c4a-3.dat	upx
behavioral2/memory/2184-4-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4744-6-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/2184-7-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4744-8-0x0000000000400000-0x0000000000425000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2820	cmd.exe
3672	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3672	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4744	ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 2184	4744	ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe	82
PID 4744 wrote to memory of 2184	4744	ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe	82
PID 4744 wrote to memory of 2184	4744	ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe	82
PID 4744 wrote to memory of 2820	4744	ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe	91
PID 4744 wrote to memory of 2820	4744	ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe	91
PID 4744 wrote to memory of 2820	4744	ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe	91
PID 2820 wrote to memory of 3672	2820	cmd.exe	93
PID 2820 wrote to memory of 3672	2820	cmd.exe	93
PID 2820 wrote to memory of 3672	2820	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe
"C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

Filesize
140KB

MD5
5223914b333ab8c9f2e4b1f9e48df098

SHA1
7373669482b1f9cf24dfda6f57c6a3d4e8d5637d

SHA256
adfd86dcd1c0cd793b5328c445b2b254e2847803cc44b7cdffddb63473a7b635

SHA512
42e2914059531b99dc24f4a04a12926d4f1552dde21baf5eef333159c340f5421b6e7d15a5df3db9ea7177754fcf0b18c0246545be3d63061823736574621131

Download Submit
memory/2184-4-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2184-7-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4744-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4744-6-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4744-8-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads