ardamax | c05d0d4b38cb3b3af19b6ee56084287621673149cff4159d8e2d89bc03133efe

General

Target
7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe
Size 2.8MB
Sample240801-dr4r1ayfpp
SHA256 c05d0d4b38cb3b3af19b6ee56084287621673149cff4159d8e2d89bc03133efe
MD5 7efa0ee3115b407da1e8bfbce0e6ee6b
SHA1 44563b3b80116d157203f78667a86a86851cac80
SHA512 70df543dc1f95a2ab94d7385baf2109283152f556b1e1071177de4d00993a9d0494117936fc08914c170931794b6123b749b1b1664f018148f9db59890016786
SSDEEP 49152:woTbV6TymfUs7wDsvfHkP6bOsgAFod4EUB5vZkg44R5D23tlErhfBSAAHJkdD4IK:5V6Ty/y4svQ6bOsbJvvZkl4R5D2dlfA6
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x00070000000234d6-8.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-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation	7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4180	CAE.exe

Loads dropped DLL 1 IoCs

pid	Process
4180	CAE.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\CAE Start = "C:\\Windows\\SysWOW64\\EWESWL\\CAE.exe"	CAE.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 System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\EWESWL\CAE.004	7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\EWESWL\CAE.001	7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\EWESWL\CAE.002	7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\EWESWL\AKV.exe	7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\EWESWL\CAE.exe	7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\EWESWL\	CAE.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 2 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	7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CAE.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4180	CAE.exe
Token: SeIncBasePriorityPrivilege	4180	CAE.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4180	CAE.exe
4180	CAE.exe
4180	CAE.exe
4180	CAE.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 4180	2100	7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe	86
PID 2100 wrote to memory of 4180	2100	7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe	86
PID 2100 wrote to memory of 4180	2100	7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7efa0ee3115b407da1e8bfbce0e6ee6b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\EWESWL\CAE.exe
  "C:\Windows\system32\EWESWL\CAE.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4180

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

AKV.exe

Path C:\Windows\SysWOW64\EWESWL\AKV.exe
Size 463KB
SHA256 96af80e7ba0f3997d59ebcb5ecef619f980d71ca29113e2cd2f2e8adcdea3061
MD5 eb916da4abe4ff314662089013c8f832
SHA1 1e7e611cc6922a2851bcf135806ab51cdb499efa
SHA512 d0dbe1d1612982b9cd2a3ed3cbd3e3b5be49237f580f91d5e5d5b6d20ed4dc0babb69a666c19bf4e0f10776a43b9b1dcda91a4cd381ce3705b1795ef9d731c8b
SSDEEP 6144:k1+xTZXVYwi0VrQLS0jOQk+gAmRxYqBAygw/lV7MXm7nvhe1gSD1Md:0wFFXVrQGsOQXZ+CGAyNhe1fD1Md
MD5 SHA1 SHA512 SSDEEP

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CAE.001

Path C:\Windows\SysWOW64\EWESWL\CAE.001
Size 61KB
SHA256 70b00b09ae76a7ecfd6680ab22df546b17826755087c069fc87d14895e1a4e24
MD5 425ff37c76030ca0eb60321eedd4afdd
SHA1 7dde5e9ce5c4057d3db149f323fa43ed29d90e09
SHA512 ef5ff97c0d682b6155eff8f92dace1789cf01ca8bca55af1c1d0f2243b5e18bc12a657bb2bb12601b51ef9e1b942f02feb8462644da291fd1b2239c34ef2b59b
SSDEEP 768:t5RUHzUzl212q7YJRNSRBTZuX2LEH0GB2jPezHXR3rcFiTJn45nEV5U:Go01MJHONsX24U1Pezh7PC5nEV
MD5 SHA1 SHA512 SSDEEP

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CAE.002

Path C:\Windows\SysWOW64\EWESWL\CAE.002
Size 43KB
SHA256 4de0c277800ae36b85a11ed9765f732a73578d4dce053ff7179f96ab776fb60d
MD5 12fb4f589942682a478b7c7881dfcba2
SHA1 a3d490c6cda965708a1ff6a0dc4e88037e0d6336
SHA512 dd1c6a4ea5bc9698701ec941c4e90fe8dfb0993dc321edc052d1a80cc49bc46be665a85ec678876e698de60cda5dbf1d6279742a16d648f9d18e642a3ea33ddd
SSDEEP 768:zipMkSRrW+sXubaqE7PsdxxQvjPj2iQ01kpNwMRW5:mpfpXRPsdxx4PSUkJRW5
MD5 SHA1 SHA512 SSDEEP

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CAE.004

Path C:\Windows\SysWOW64\EWESWL\CAE.004
Size 1KB
SHA256 761fc833caa7b55a88c4c01719f5eb53c49308e0c2d193b15d1924a83325f3ba
MD5 34e9643757bf4283f34158d5861b38aa
SHA1 d6bd3fca16581853b5a300e2bf745771975753ba
SHA512 c2bc36ade7ef2e4a8226701f511f812f9c7c4cc3f29fb44fa7a953e1c795c69395fdbec86928cdedaf8eea0ce5effc6c0401797d64e07830ca1fbdbd98a73e70
MD5 SHA1 SHA512

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CAE.exe

Path C:\Windows\SysWOW64\EWESWL\CAE.exe
Size 1.5MB
SHA256 734439c4049ae1a832b4cc5c8d227112106406945d1a7cbb355e11a3f5e356c4
MD5 f8530f0dfe90c7c1e20239b0a7643041
SHA1 3e0208ab84b8444a69c8d62ad0b81c4186395802
SHA512 5cb01517938789e006e00d69729ae7d73ad480f1ae17a80059bf81ee5d9cebb1263a35732c84f03d742684a650b116b13e6731ca80b0b9cdb3908e5588649399
SSDEEP 49152:YhM1+MJKDL0X2Q+BIMUwqv68ThprZalIEjL:YhM1+MJKDL22QMI006NbjL
MD5 SHA1 SHA512 SSDEEP

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memory/4180-17-0x00000000006E0000-0x00000000006E1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads