ardamax | d9471ada089cfa55c5b288e3a812cc46ee7ec6ba0e4ec6ee92111710f70a74a4

General

Target

JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe
Size

272KB
MD5

8788bfd01a2f4c96b5f239a241ec7fbb
SHA1

426974dc431cbbd1f6d168669f56c8602a97ae57
SHA256

d9471ada089cfa55c5b288e3a812cc46ee7ec6ba0e4ec6ee92111710f70a74a4
SHA512

d8191255ffc1250db6285f09ace0bc45c37fad9574b97bd9065431d353b7f7d259469a73248fb38c60d241014985d78e6b909d4decd9347831162f79f5ba0bc1
SSDEEP

6144:1ov6Acph18MmTn5fyn42X/Hb8lEE1QMng08a+uvrnh24wvej1PYEzA:qkb8M4hyn4Cb7cQMg7N424QyQGA

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/0x0006000000018744-9.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
2520	FNMK.exe

Loads dropped DLL 5 IoCs

pid	Process
1484	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe
1484	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe
1484	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe
2520	FNMK.exe
2520	FNMK.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\FNMK Agent = "C:\\Windows\\SysWOW64\\28463\\FNMK.exe"	FNMK.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 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\FNMK.007	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe
File created	C:\Windows\SysWOW64\28463\FNMK.exe	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe
File opened for modification	C:\Windows\SysWOW64\28463	FNMK.exe
File created	C:\Windows\SysWOW64\28463\FNMK.001	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe
File created	C:\Windows\SysWOW64\28463\FNMK.006	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.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	FNMK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2520	FNMK.exe
Token: SeIncBasePriorityPrivilege	2520	FNMK.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2520	FNMK.exe
2520	FNMK.exe
2520	FNMK.exe
2520	FNMK.exe
2520	FNMK.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 2520	1484	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe	31
PID 1484 wrote to memory of 2520	1484	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe	31
PID 1484 wrote to memory of 2520	1484	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe	31
PID 1484 wrote to memory of 2520	1484	JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8788bfd01a2f4c96b5f239a241ec7fbb.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\SysWOW64\28463\FNMK.exe
  "C:\Windows\system32\28463\FNMK.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:2520

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\FNMK.001

Filesize
460B

MD5
e836a5bab15836c797b4a0b37f82fafa

SHA1
b553a491d5e24e78b2427473a9802b5004feb3a8

SHA256
d785b6591f42e8feb273e931c70695c8f16e34394a16bb0589b7c8ea60fca335

SHA512
0a48d1dbfe5c96a4cc8aaec6d727af9ca3976a017c760d43bca988d33c723692b73b30878f7c71201ca421ae10bfba5da7a518dd915d5ccd16f1dc5d8fc53c58

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

Filesize
8KB

MD5
81e20f4361cf8f5a57812871c24d945e

SHA1
5d7877d6959ab26599b05795a71633f00c37a3da

SHA256
e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d

SHA512
69b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818

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

Filesize
5KB

MD5
e9fbdcc2f5fb657fa519b3f5c69fc52d

SHA1
c49cca77b46a59d620711de7564d43e5dafcd2b5

SHA256
cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4

SHA512
913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1

Download Submit
\Users\Admin\AppData\Local\Temp\@CE57.tmp

Filesize
4KB

MD5
25530555085337eb644b061f239aa9d4

SHA1
8d91e099aba5439d4bfa8bce464c94e3e1acf620

SHA256
3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325

SHA512
b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a

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

Filesize
473KB

MD5
97d8ad45f48b4b28a93aab94699b7168

SHA1
8b69b7fd7c008b95d12386f6da415097e72151de

SHA256
661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331

SHA512
3351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a

Download Submit
memory/2520-22-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2520-25-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads