sakula | bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6

General

Target

bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe
Size

283KB
MD5

e7f6a0295fef6f3046f7caca73a2d4e0
SHA1

e41afbcb806a0ce6826327056baa2a6f7efaedad
SHA256

bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6
SHA512

4c2a924184a1dca46e8af900b30a7f8167b21d08bd86d634d433f512d8b7660f0e29e689292cfc2c218409bf34f9a4978f9fb3088d93292ac5863cc4c4311083
SSDEEP

1536:NU9abrtX4oocIK3yQkaY9z/S0hhnDiKKJqTnouy8HeBsCXKTnhxJP:Nm2rocIyhYtJxKJqrout+BsZh3

Score

10^/10

sakula discovery persistence rat trojan upx

Malware Config

Signatures

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

Sakula payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2788-6-0x0000000000C30000-0x0000000000C4F000-memory.dmp	family_sakula
behavioral2/memory/1192-8-0x0000000000BF0000-0x0000000000C0F000-memory.dmp	family_sakula
behavioral2/memory/2788-14-0x0000000000C30000-0x0000000000C4F000-memory.dmp	family_sakula
behavioral2/memory/1192-20-0x0000000000BF0000-0x0000000000C0F000-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

Processes:

bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1192 MediaCenter.exe

pid	process
1192	MediaCenter.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2788-0-0x0000000000C30000-0x0000000000C4F000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	upx
behavioral2/memory/1192-4-0x0000000000BF0000-0x0000000000C0F000-memory.dmp	upx
behavioral2/memory/2788-6-0x0000000000C30000-0x0000000000C4F000-memory.dmp	upx
behavioral2/memory/1192-8-0x0000000000BF0000-0x0000000000C0F000-memory.dmp	upx
behavioral2/memory/2788-14-0x0000000000C30000-0x0000000000C4F000-memory.dmp	upx
behavioral2/memory/1192-20-0x0000000000BF0000-0x0000000000C0F000-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

Processes:

MediaCenter.execmd.exePING.EXEbd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe

description	ioc	process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.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

Processes:

cmd.exePING.EXE

pid process

3312 cmd.exe
2016 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2016 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe

description pid process

Token: SeIncBasePriorityPrivilege 2788 bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe

pid	process
3312	cmd.exe
2016	PING.EXE

pid	process
2016	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	2788	bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.execmd.exe

description	pid	process	target process
PID 2788 wrote to memory of 1192	2788	bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe	MediaCenter.exe
PID 2788 wrote to memory of 1192	2788	bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe	MediaCenter.exe
PID 2788 wrote to memory of 1192	2788	bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe	MediaCenter.exe
PID 2788 wrote to memory of 3312	2788	bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe	cmd.exe
PID 2788 wrote to memory of 3312	2788	bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe	cmd.exe
PID 2788 wrote to memory of 3312	2788	bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe	cmd.exe
PID 3312 wrote to memory of 2016	3312	cmd.exe	PING.EXE
PID 3312 wrote to memory of 2016	3312	cmd.exe	PING.EXE
PID 3312 wrote to memory of 2016	3312	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe
"C:\Users\Admin\AppData\Local\Temp\bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.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:2788
- 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:1192
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\bd6a9797e293381937ba083df0c0af62eeee1bd1d404a96a4b056f2f13a80cf6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3312
- - 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:2016

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
283KB

MD5
bd6734b18726f2afe56e152606f506e0

SHA1
f01d5704f39a396f982b58d44a362f9b8032faed

SHA256
02068d719206dc79fcab288d5692ba0c250938f6d9eeb18f3b545558bd9d7d0d

SHA512
b52e3b773faa2e0df5a6e5eb1f342930a71aac14fdbb519dc0dc532a3616276c4096bb5eac858e3099165127dda572052f0bd175b2069fb389abf7f5cd60ce4c

Download Submit
memory/1192-4-0x0000000000BF0000-0x0000000000C0F000-memory.dmp

Filesize
124KB

Download
memory/1192-8-0x0000000000BF0000-0x0000000000C0F000-memory.dmp

Filesize
124KB

Download
memory/1192-20-0x0000000000BF0000-0x0000000000C0F000-memory.dmp

Filesize
124KB

Download
memory/2788-0-0x0000000000C30000-0x0000000000C4F000-memory.dmp

Filesize
124KB

Download
memory/2788-6-0x0000000000C30000-0x0000000000C4F000-memory.dmp

Filesize
124KB

Download
memory/2788-14-0x0000000000C30000-0x0000000000C4F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads