sakula | 0c77f38e48d8a180666eb7586627c2823a7feb94a8a9c60be5001ebc400bbd0e

General

Target

995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe
Size

102KB
MD5

a6d8bdd039c8ae93ef9215a3e371e7da
SHA1

1a223de3b1143e0ccd722cfcae1b11945be8d9ca
SHA256

0c77f38e48d8a180666eb7586627c2823a7feb94a8a9c60be5001ebc400bbd0e
SHA512

2df3e4b6bce7102d10a413b60601eafe6e2e3cd8f6599db08e320537c4a3b68e0bf06f9afab2229d3353a69ddfd75c47dcff6d1d58c77c03ee1fe211b665e918
SSDEEP

1536:jJbCiJVkgMaT2itTkjoRXnM48dXFajVPkPLnlxsz30rtrQ39z:tbfVk29te2juPLlxo30Bs39z

Score

10^/10

sakula discovery persistence rat trojan

Malware Config

Extracted

Family

sakula

C2

www.savmpet.com

Signatures

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

Sakula payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3496-0-0x0000000000400000-0x000000000041C000-memory.dmp	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe	family_sakula
behavioral2/memory/3496-5-0x0000000000400000-0x000000000041C000-memory.dmp	family_sakula
behavioral2/memory/836-6-0x0000000000400000-0x000000000041C000-memory.dmp	family_sakula
behavioral2/memory/3496-7-0x0000000000400000-0x000000000041C000-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:

995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe

Executes dropped EXE 1 IoCs

Processes:

AdobeUpdate.exe

pid process

836 AdobeUpdate.exe

pid	process
836	AdobeUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe"	995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.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

Processes:

cmd.exePING.EXE995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exeAdobeUpdate.exe

description	ioc	process
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	995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdobeUpdate.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

4552 cmd.exe
1680 PING.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1680 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe

description pid process

Token: SeIncBasePriorityPrivilege 3496 995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe

pid	process
4552	cmd.exe
1680	PING.EXE

pid	process
1680	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	3496	995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.execmd.exe

description	pid	process	target process
PID 3496 wrote to memory of 836	3496	995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe	AdobeUpdate.exe
PID 3496 wrote to memory of 836	3496	995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe	AdobeUpdate.exe
PID 3496 wrote to memory of 836	3496	995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe	AdobeUpdate.exe
PID 3496 wrote to memory of 4552	3496	995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe	cmd.exe
PID 3496 wrote to memory of 4552	3496	995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe	cmd.exe
PID 3496 wrote to memory of 4552	3496	995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe	cmd.exe
PID 4552 wrote to memory of 1680	4552	cmd.exe	PING.EXE
PID 4552 wrote to memory of 1680	4552	cmd.exe	PING.EXE
PID 4552 wrote to memory of 1680	4552	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe
"C:\Users\Admin\AppData\Local\Temp\995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.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:3496
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:836
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\995acf1535e99250c84e55149cd66b0e5d17fdd4cfe20408f9b09d32f264beb9N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4552
- - 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:1680

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\AdobeUpdate.exe

Filesize
102KB

MD5
adb5059b17edeaaae7302dabba51ccfe

SHA1
3eff714c20259ca7a99de6b8aaccf658433b78bd

SHA256
b45e453bd651aea5af03244271bb38da9d2f87a9bc87a5f88f0c4ad54e9c5369

SHA512
ac71b9e339801d33c97b5f666c9875e2d9d2250b709d896cc1e6e408c3a0e582280755304f3e0c7ea69248f2c9e4c3c2b6eab3833fddffb057ffb453bf49e610

Download Submit
memory/836-6-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3496-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3496-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3496-7-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads