ardamax | e5cf6dbd10eae8dcb9a8c012a6c6d538335feceb4bd16db6b6f1924ffc3fbd9b

General

Target

fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe
Size

509KB
MD5

fe87ce8d36db1863fc716bcad181be59
SHA1

2634ba71c0754a85261b43b3ead6041cdecb8d38
SHA256

e5cf6dbd10eae8dcb9a8c012a6c6d538335feceb4bd16db6b6f1924ffc3fbd9b
SHA512

309987858e08c91460a34909e2bd89e3530094a640f5f3c31fdb5740cb9c75f45db82764d8790e86dd6ad0fef3358b53d9b4b48c164776b2a023c4d197bf4e13
SSDEEP

12288:k8HxVwtzNM9CiEY7QnAWsMTehbiDi6YJSdj1rNyFhiYLsVt7:mtzoz7QnAWR8We6ZdRr4Ct7

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
behavioral1/files/0x000700000001878c-9.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
2148	GSTA.exe

Loads dropped DLL 5 IoCs

pid	Process
2192	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe
2192	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe
2192	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe
2148	GSTA.exe
2148	GSTA.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\GSTA Agent = "C:\\Windows\\SysWOW64\\28463\\GSTA.exe"	GSTA.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\28463\GSTA.exe	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	GSTA.exe
File created	C:\Windows\SysWOW64\28463\GSTA.001	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\GSTA.006	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\GSTA.007	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.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	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GSTA.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2148	GSTA.exe
Token: SeIncBasePriorityPrivilege	2148	GSTA.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2148	GSTA.exe
2148	GSTA.exe
2148	GSTA.exe
2148	GSTA.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2148	2192	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe	31
PID 2192 wrote to memory of 2148	2192	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe	31
PID 2192 wrote to memory of 2148	2192	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe	31
PID 2192 wrote to memory of 2148	2192	fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe87ce8d36db1863fc716bcad181be59_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\28463\GSTA.exe
  "C:\Windows\system32\28463\GSTA.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:2148

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

System Information Discovery

1

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:\Windows\SysWOW64\28463\AKV.exe

Filesize
395KB

MD5
d63cc8679a63448db1c64252e14e4ab5

SHA1
10b3a9ac4bc16e8ac1cd05e50b4d540fa3ef223e

SHA256
29b3646a556879a4a48e4f2f81e09179c34ac2051ed3e4f4c28e293092470d3d

SHA512
cb1911e1a77fb9be560aa4fd8bbef65e181b6d4438d65657501dbcd8dbf488ba01738a7222f35f8d4317e8df8c6f307d9e3623d6e3e45753e138b80fb68ff768

Download Submit
C:\Windows\SysWOW64\28463\GSTA.001

Filesize
444B

MD5
7d0acdd74e7dd01a52ef8bbca13e3144

SHA1
348cbd1c4950e257dfa52d059e28c6ea8bf7a012

SHA256
1c5cbe8c294f2fadcf75adfa263e3d1dd9d18247ecf1f25f1a33f81464cd3cd7

SHA512
174102260fe916e81a60d890aaa60162b039d2210042fcb6d7d199410724c9208df14e4a55435b1e79c5a93154e76951d7ca8cfb902a2226d523b458dd6f85b1

Download Submit
C:\Windows\SysWOW64\28463\GSTA.006

Filesize
8KB

MD5
81e20f4361cf8f5a57812871c24d945e

SHA1
5d7877d6959ab26599b05795a71633f00c37a3da

SHA256
e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d

SHA512
69b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818

Download Submit
C:\Windows\SysWOW64\28463\GSTA.007

Filesize
5KB

MD5
e9fbdcc2f5fb657fa519b3f5c69fc52d

SHA1
c49cca77b46a59d620711de7564d43e5dafcd2b5

SHA256
cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4

SHA512
913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1

Download Submit
\Users\Admin\AppData\Local\Temp\@DE5E.tmp

Filesize
4KB

MD5
25530555085337eb644b061f239aa9d4

SHA1
8d91e099aba5439d4bfa8bce464c94e3e1acf620

SHA256
3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325

SHA512
b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a

Download Submit
\Windows\SysWOW64\28463\GSTA.exe

Filesize
473KB

MD5
97d8ad45f48b4b28a93aab94699b7168

SHA1
8b69b7fd7c008b95d12386f6da415097e72151de

SHA256
661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331

SHA512
3351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a

Download Submit
memory/2148-24-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2148-27-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads