sakula | b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627

General

Target

b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe
Size

283KB
MD5

f1ba3a169b0dcd2c8e8d876516078aa0
SHA1

1db8c37a77362fa65bce586962e30ede483fe1fb
SHA256

b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627
SHA512

71ed9c26cb33e45710d913d879c8f619bcf49e8055218a33b3fc1c61b0a7d0aa1384a0baf9b29d57e6bbbcd119af630d3dcbcf871bd005f16c052faa78c21b3b
SSDEEP

1536:NU9abrtX4oocIK3yQkaY9z/S0hhnDiKKJqTnouy8HeBsCXKTnhxJi:Nm2rocIyhYtJxKJqrout+BsZha

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 5 IoCs

resource	yara_rule
behavioral2/memory/996-5-0x0000000001000000-0x000000000101F000-memory.dmp	family_sakula
behavioral2/memory/4948-6-0x0000000000B70000-0x0000000000B8F000-memory.dmp	family_sakula
behavioral2/memory/996-8-0x0000000001000000-0x000000000101F000-memory.dmp	family_sakula
behavioral2/memory/4948-14-0x0000000000B70000-0x0000000000B8F000-memory.dmp	family_sakula
behavioral2/memory/996-20-0x0000000001000000-0x000000000101F000-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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe

Executes dropped EXE 1 IoCs

pid	Process
996	MediaCenter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4948-0-0x0000000000B70000-0x0000000000B8F000-memory.dmp	upx
behavioral2/files/0x0008000000023470-4.dat	upx
behavioral2/memory/996-5-0x0000000001000000-0x000000000101F000-memory.dmp	upx
behavioral2/memory/4948-6-0x0000000000B70000-0x0000000000B8F000-memory.dmp	upx
behavioral2/memory/996-8-0x0000000001000000-0x000000000101F000-memory.dmp	upx
behavioral2/memory/4948-14-0x0000000000B70000-0x0000000000B8F000-memory.dmp	upx
behavioral2/memory/996-20-0x0000000001000000-0x000000000101F000-memory.dmp	upx

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"	b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe

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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
4408	cmd.exe
2836	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2836	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4948	b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 996	4948	b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe	84
PID 4948 wrote to memory of 996	4948	b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe	84
PID 4948 wrote to memory of 996	4948	b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe	84
PID 4948 wrote to memory of 4408	4948	b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe	93
PID 4948 wrote to memory of 4408	4948	b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe	93
PID 4948 wrote to memory of 4408	4948	b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe	93
PID 4408 wrote to memory of 2836	4408	cmd.exe	95
PID 4408 wrote to memory of 2836	4408	cmd.exe	95
PID 4408 wrote to memory of 2836	4408	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe
"C:\Users\Admin\AppData\Local\Temp\b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.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:4948
- 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:996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b83e5e10069eb01eb819fdaaf4b0f70df6888783180b266a1ce9066f88623627N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4408
- - 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:2836

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
c22efdb7bb40c86e56880b0925fd3819

SHA1
b571c5856e1090ccb43c4ecf34b912053427a5c2

SHA256
61ab594c9e40868fdf8a3f7ab694c66067216322c37e731ca89b22ca559ffc23

SHA512
66af294f156f0adfa6827cd48b35258db306514fa19168ce463ce313467f773fcb9c6a9457c418560a2e71ec5b4243fae3017cb3656ab9a2a47e5662f7782632

Download Submit
memory/996-5-0x0000000001000000-0x000000000101F000-memory.dmp

Filesize
124KB

Download
memory/996-8-0x0000000001000000-0x000000000101F000-memory.dmp

Filesize
124KB

Download
memory/996-20-0x0000000001000000-0x000000000101F000-memory.dmp

Filesize
124KB

Download
memory/4948-0-0x0000000000B70000-0x0000000000B8F000-memory.dmp

Filesize
124KB

Download
memory/4948-6-0x0000000000B70000-0x0000000000B8F000-memory.dmp

Filesize
124KB

Download
memory/4948-14-0x0000000000B70000-0x0000000000B8F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads