ardamax | ffa84e48ffc63f0d145d98f72540c9a4c32f8630968738a83a0eb31582e36396

General

Target

JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe
Size

501KB
MD5

0a62b3ed312cf2109eddc798f9c00f41
SHA1

ded1ebb465f70b40f06bdbed3e023ead6d9e276c
SHA256

ffa84e48ffc63f0d145d98f72540c9a4c32f8630968738a83a0eb31582e36396
SHA512

04bbdd40d8637aab4c719214aa0754752614851d27add3a182b23289da00dabef4c6c31f36b14f70bf6c88633c129493ff2323994031f38b69b733c6e89c68cd
SSDEEP

12288:4TBRUTV5nB5gNrF5fVOZMttkrhg5LrOLsLJn37rs98R:HTV5nBSx9OZMttkrhIr8YJnPR

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax
Ardamax family
ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023c68-12.dat	family_ardamax

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-1-5-21-3181990009-820930284-137514597-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe

Executes dropped EXE 1 IoCs

pid	Process
64	system32VRCU.exe

Loads dropped DLL 5 IoCs

pid	Process
3436	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe
64	system32VRCU.exe
64	system32VRCU.exe
64	system32VRCU.exe
3984	NOTEPAD.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\system32VRCU Agent = "C:\\Windows\\system32VRCU.exe"	system32VRCU.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\system32VRCU.001	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe
File created	C:\Windows\system32VRCU.006	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe
File created	C:\Windows\system32VRCU.007	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe
File created	C:\Windows\system32VRCU.exe	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe
File created	C:\Windows\system32AKV.exe	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.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 3 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	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32VRCU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000_Classes\Local Settings	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	64	system32VRCU.exe
Token: SeIncBasePriorityPrivilege	64	system32VRCU.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
64	system32VRCU.exe
64	system32VRCU.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 64	3436	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe	86
PID 3436 wrote to memory of 64	3436	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe	86
PID 3436 wrote to memory of 64	3436	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe	86
PID 3436 wrote to memory of 3984	3436	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe	87
PID 3436 wrote to memory of 3984	3436	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe	87
PID 3436 wrote to memory of 3984	3436	JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a62b3ed312cf2109eddc798f9c00f41.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Windows\system32VRCU.exe
  "C:\Windows\system32VRCU.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:64
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\TradeHack Tuto.txt
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3984

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

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\@7E96.tmp

Filesize
4KB

MD5
51bee0ab97691836dc058cc6edb0a3bc

SHA1
e7a79d9eeaa9b3eb4650389d590e72f3305767d4

SHA256
fcb57ac50b7ced25bba2f806824dbbbcdf26208a1ceb2244c6f52a572b1f5f06

SHA512
92e15cf965bf2e4c258e6bf53543647b470fba9376c0fb3e9cc8d003f3be74f87f7d7935cf67b66205f1cc103df613856e2aef129a4b373336b1f0f1b5645fcc

Download Submit
C:\Users\Admin\AppData\Local\Temp\TradeHack Tuto.txt

Filesize
114B

MD5
60eb8caa81818f7297b1b9b4f11e4a3f

SHA1
9499ec564ee8a93754db81230107f40aa6810dc0

SHA256
8f60619954e0b91ae373707be9c568960e44d3d3f43139c7fbabf83106c057ea

SHA512
04e8209ff99d5a68765bd1936b352148f2aa6c7940f178bc2203d2ba7718ce13a542e0c640156c15807f6474571770090498475cea80cf82128fb1a3ac983d4b

Download Submit
C:\Windows\system32VRCU.001

Filesize
560B

MD5
fdfb2b2f4ae567e387bf6a9171dd1519

SHA1
ffc533b7ecdbfe97e832428b305299cdfd883575

SHA256
6e494b7fe3d1f460459d8b0903ada008882af5513aaac43ad65e403e0c79fc85

SHA512
45a3f3a53a29868f52bfdf973c9ffafb93b8eb4a406efa76b835ee0aebf260fbf7b2aac0dc964294ec2d88b6a8de3d4ab020f44b7c5f30670be6f01e27d12d63

Download Submit
C:\Windows\system32VRCU.006

Filesize
7KB

MD5
ed3c7e9a789e0c5c8c49e46d4bf6a3df

SHA1
e74e617680edd83ea0172960c4389ba3f7ed431d

SHA256
f2b983e3e8cdcad665bdd0024725bb03a1a4919dcf115d031d1d4e4fe3225856

SHA512
1c70224ccf2d95563d54c8eb52e0e3fc09dee8528a8a0041517f1f85f36eec5f08ed5b8e9064827290a7b66f48849575ecb2cce3e81b4250e12806ffb7aff06d

Download Submit
C:\Windows\system32VRCU.007

Filesize
5KB

MD5
d7b3b4076038485800c17684ac22550f

SHA1
d6ce8bc1a16d46cf6bdae41308f4eafd8d24ae4f

SHA256
7f67f9360d43cc337ad5f878372e1eec94a83e7cf6b5cf56c43a8c7e2e8d869a

SHA512
209eae97c7854f26fb32132be5722a5fb7b0c275774599b456b3f8a99c5b70d90a676ecf17ab7867c47a0f653c3f7d80d02d902ddb116acb7ba366ab0662750b

Download Submit
C:\Windows\system32VRCU.exe

Filesize
471KB

MD5
186403d9ea3c30fb5c9cc7ec135c7866

SHA1
0b2ee531ae2f5c0658ffa720c1c71e986433a4fc

SHA256
99b102ae1b219cc471c47aa54da4ab4c3f4d0ee7a07ef85c7f0bca8cc6eb9bf1

SHA512
af30f64237e9998c4c2c41213a67c0bbf8687318c8e957f8a87aff43e383dd301ca674e0158cde5ab209bcf03263625fefcd0b6602c14f3d40231da7d9809dcd

Download Submit
memory/64-19-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/64-30-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads