ardamax | d481aa719a1a15989f008b29342973130d24fedfe93bfb2c5d19b434c63a7f30

General

Target
8212ab60272b3a3a12eafb105c6150c0.exe
Size 337KB
Sample240130-ld769sdag8
SHA256 d481aa719a1a15989f008b29342973130d24fedfe93bfb2c5d19b434c63a7f30
MD5 8212ab60272b3a3a12eafb105c6150c0
SHA1 c96bf482600319928ec5b75b5ac619540096b2e0
SHA512 82c10a4ca53a02628b6c74c21d6e0936eed4c308ba561667469e37d3a1f9f2818a07f5745f8d71d17d3ea5782e256f7be3be6ec695598d21034085979b7a0de4
SSDEEP 6144:Dov6+uWfZqbiEqJBO96n5Ex2eIh1gwsVAs1kYSUaF/JWN:UHQibByIhawsyVYSf/Jm
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/0x000600000002320c-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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	8212ab60272b3a3a12eafb105c6150c0.exe

Executes dropped EXE 2 IoCs

pid	Process
1220	FEPY.exe
2088	D2Helper.exe

Loads dropped DLL 7 IoCs

pid	Process
4256	8212ab60272b3a3a12eafb105c6150c0.exe
1220	FEPY.exe
2088	D2Helper.exe
1220	FEPY.exe
1220	FEPY.exe
2088	D2Helper.exe
2088	D2Helper.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\FEPY Agent = "C:\\Windows\\SysWOW64\\28463\\FEPY.exe"	FEPY.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\FEPY.006	8212ab60272b3a3a12eafb105c6150c0.exe
File created	C:\Windows\SysWOW64\28463\FEPY.007	8212ab60272b3a3a12eafb105c6150c0.exe
File created	C:\Windows\SysWOW64\28463\FEPY.exe	8212ab60272b3a3a12eafb105c6150c0.exe
File opened for modification	C:\Windows\SysWOW64\28463	FEPY.exe
File created	C:\Windows\SysWOW64\28463\FEPY.001	8212ab60272b3a3a12eafb105c6150c0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	1220	FEPY.exe
Token: SeIncBasePriorityPrivilege	1220	FEPY.exe
Token: SeDebugPrivilege	2088	D2Helper.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1220	FEPY.exe
1220	FEPY.exe
1220	FEPY.exe
1220	FEPY.exe
1220	FEPY.exe
2088	D2Helper.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 1220	4256	8212ab60272b3a3a12eafb105c6150c0.exe	87
PID 4256 wrote to memory of 1220	4256	8212ab60272b3a3a12eafb105c6150c0.exe	87
PID 4256 wrote to memory of 1220	4256	8212ab60272b3a3a12eafb105c6150c0.exe	87
PID 4256 wrote to memory of 2088	4256	8212ab60272b3a3a12eafb105c6150c0.exe	88
PID 4256 wrote to memory of 2088	4256	8212ab60272b3a3a12eafb105c6150c0.exe	88
PID 4256 wrote to memory of 2088	4256	8212ab60272b3a3a12eafb105c6150c0.exe	88

C:\Users\Admin\AppData\Local\Temp\8212ab60272b3a3a12eafb105c6150c0.exe
"C:\Users\Admin\AppData\Local\Temp\8212ab60272b3a3a12eafb105c6150c0.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4256
- C:\Windows\SysWOW64\28463\FEPY.exe
  "C:\Windows\system32\28463\FEPY.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1220
- C:\Users\Admin\AppData\Local\Temp\D2Helper.exe
  "C:\Users\Admin\AppData\Local\Temp\D2Helper.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2088

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

@4D16.tmp

Path C:\Users\Admin\AppData\Local\Temp\@4D16.tmp
Size 4KB
SHA256 3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325
MD5 25530555085337eb644b061f239aa9d4
SHA1 8d91e099aba5439d4bfa8bce464c94e3e1acf620
SHA512 b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a
MD5 SHA1 SHA512

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D2Helper.exe

Path C:\Users\Admin\AppData\Local\Temp\D2Helper.exe
Size 192KB
SHA256 6725fcda350206ba426ba1cff74482cba91d5dea3bb5fd5cbdf5c19c2b3c1364
MD5 f5cb799821e694e78422cf92d9e2a946
SHA1 cdc11251ddddc9480a73210a3c2dc81dd36e1807
SHA512 651f7a271aa6f54cd51719098c2b188e856f0d85c076e0d2b42fc0fd1439098f293b23d232c61db5ff5253cc2179b6c2d84fbcd0538c7c74f6362037d927c0f1
SSDEEP 3072:rOLs0jY+AeYL3jouS3gaFGi5ietLm0Hci4IsQhiGniL5WwGnFP:rvQY5S3TFGi57T
MD5 SHA1 SHA512 SSDEEP

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FEPY.001

Path C:\Windows\SysWOW64\28463\FEPY.001
Size 482B
SHA256 9312330f1c7aeaa8ca46d51595ebc8511efe1f306e36ff28d909cf722c4cd916
MD5 2f451b6b978e8759c8f43d2bd8c26375
SHA1 03079ee2f53633d55fd5c5c8ca7672fd39f03858
SHA512 5e9014f18674d915dc15471fce781eed284965f26ce1489e8740556920670ef400585fb6b1ac4a217cbc0bf50dbd6b0040cf4558cd908f4e64d51bf31f7196ba
MD5 SHA1 SHA512

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FEPY.006

Path C:\Windows\SysWOW64\28463\FEPY.006
Size 8KB
SHA256 e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d
MD5 81e20f4361cf8f5a57812871c24d945e
SHA1 5d7877d6959ab26599b05795a71633f00c37a3da
SHA512 69b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818
SSDEEP 96:6Anh3GtHUW5ZTXQHL8P/YYfR+cwXofW1oEIYoWkQr8yHe1e2mIXT6pDxj9:F3GpUQAHAP/YY50tI1WkQDoeyD6pZ9
MD5 SHA1 SHA512 SSDEEP

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FEPY.007

Path C:\Windows\SysWOW64\28463\FEPY.007
Size 5KB
SHA256 cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4
MD5 e9fbdcc2f5fb657fa519b3f5c69fc52d
SHA1 c49cca77b46a59d620711de7564d43e5dafcd2b5
SHA512 913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1
SSDEEP 48:6gklbtGoI0EE/KD4rJaKzx/aGJYkoyXB/AECi1cBaVM+kHTDouE:6gSSDIFayYAx4ECiRQHTDoz
MD5 SHA1 SHA512 SSDEEP

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FEPY.exe

Path C:\Windows\SysWOW64\28463\FEPY.exe
Size 473KB
SHA256 661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331
MD5 97d8ad45f48b4b28a93aab94699b7168
SHA1 8b69b7fd7c008b95d12386f6da415097e72151de
SHA512 3351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a
SSDEEP 6144:Tv5xxgKfSSwokLvNzLyMRJbsvyxAbR+GEu4zDGpUO/pV2ZNYXdGAb:df5won4JZkAGEoppjb
MD5 SHA1 SHA512 SSDEEP

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memory/1220-30-0x0000000002220000-0x0000000002221000-memory.dmp

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memory/1220-41-0x0000000002220000-0x0000000002221000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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