ardamax | a8d0bbdea3e10e46f4e1400058604490137a5802cdfd7075096819db1baa5c28

General

Target
b2efd4d70448712a6d2169427ae29e2c.exe
Size 480KB
Sample240304-x965maca96
SHA256 a8d0bbdea3e10e46f4e1400058604490137a5802cdfd7075096819db1baa5c28
MD5 b2efd4d70448712a6d2169427ae29e2c
SHA1 06ceedd11a20d501e937135ca09f47eebfb08784
SHA512 d867be9acc5f9e589b5b9e610186703dcdd2bef1823f730aaca66a4e004c597c1bdd68443010ae5cd3e216814cd6f2a2b59c79b38bbc212c2c22c6eda696b17f
SSDEEP 12288://mAHQ6acLu2yAS45Iq8CnLQ88MaGsK38whGIWlplieP8c:2AHQ6ayuO5T8CnkPMak9splieP8c
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/0x0007000000023208-12.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-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	b2efd4d70448712a6d2169427ae29e2c.exe

Executes dropped EXE 1 IoCs

pid	Process
1096	HBEU.exe

Loads dropped DLL 4 IoCs

pid	Process
2616	b2efd4d70448712a6d2169427ae29e2c.exe
1096	HBEU.exe
1096	HBEU.exe
1096	HBEU.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\HBEU Agent = "C:\\Windows\\SysWOW64\\28463\\HBEU.exe"	HBEU.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 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\28463	HBEU.exe
File created	C:\Windows\SysWOW64\28463\HBEU.009	HBEU.exe
File opened for modification	C:\Windows\SysWOW64\28463\HBEU.009	HBEU.exe
File created	C:\Windows\SysWOW64\28463\HBEU.001	b2efd4d70448712a6d2169427ae29e2c.exe
File created	C:\Windows\SysWOW64\28463\HBEU.006	b2efd4d70448712a6d2169427ae29e2c.exe
File created	C:\Windows\SysWOW64\28463\HBEU.007	b2efd4d70448712a6d2169427ae29e2c.exe
File created	C:\Windows\SysWOW64\28463\HBEU.exe	b2efd4d70448712a6d2169427ae29e2c.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	b2efd4d70448712a6d2169427ae29e2c.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1096	HBEU.exe
Token: SeIncBasePriorityPrivilege	1096	HBEU.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1096	HBEU.exe
1096	HBEU.exe
1096	HBEU.exe
1096	HBEU.exe
1096	HBEU.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 1096	2616	b2efd4d70448712a6d2169427ae29e2c.exe	91
PID 2616 wrote to memory of 1096	2616	b2efd4d70448712a6d2169427ae29e2c.exe	91
PID 2616 wrote to memory of 1096	2616	b2efd4d70448712a6d2169427ae29e2c.exe	91

C:\Users\Admin\AppData\Local\Temp\b2efd4d70448712a6d2169427ae29e2c.exe
"C:\Users\Admin\AppData\Local\Temp\b2efd4d70448712a6d2169427ae29e2c.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\28463\HBEU.exe
  "C:\Windows\system32\28463\HBEU.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:1096

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

@43B0.tmp

Path C:\Users\Admin\AppData\Local\Temp\@43B0.tmp
Size 4KB
SHA256 3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325
MD5 25530555085337eb644b061f239aa9d4
SHA1 8d91e099aba5439d4bfa8bce464c94e3e1acf620
SHA512 b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a
MD5 SHA1 SHA512

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AKV.exe

Path C:\Windows\SysWOW64\28463\AKV.exe
Size 395KB
SHA256 29b3646a556879a4a48e4f2f81e09179c34ac2051ed3e4f4c28e293092470d3d
MD5 d63cc8679a63448db1c64252e14e4ab5
SHA1 10b3a9ac4bc16e8ac1cd05e50b4d540fa3ef223e
SHA512 cb1911e1a77fb9be560aa4fd8bbef65e181b6d4438d65657501dbcd8dbf488ba01738a7222f35f8d4317e8df8c6f307d9e3623d6e3e45753e138b80fb68ff768
SSDEEP 6144:RHADFzXu/aNl8l8YhhAzMb7uUSHzG6u1U4I1/GVx8aFr:RHMztNl8l82hAzM3urC6ud/
MD5 SHA1 SHA512 SSDEEP

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HBEU.001

Path C:\Windows\SysWOW64\28463\HBEU.001
Size 394B
SHA256 8daf9945fcc7579b6653df4bf477b1c29cbed0d1381ccab5645a9933266247b2
MD5 ace6d5dbd4397b81c7f45b4e61efdcb6
SHA1 1175681e1fff2d0b17688c62fe4678378aa11e1f
SHA512 822822fbda2ce8f027ce7b41004eb235237470f8f3b545460f1f93b8e03417cb120952043ec5b3180ef97387c2f5e514d1c573b5a38fdd72da59027bb6f94638
MD5 SHA1 SHA512

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HBEU.006

Path C:\Windows\SysWOW64\28463\HBEU.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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HBEU.007

Path C:\Windows\SysWOW64\28463\HBEU.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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HBEU.exe

Path C:\Windows\SysWOW64\28463\HBEU.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/1096-23-0x0000000000740000-0x0000000000741000-memory.dmp

Download

memory/1096-27-0x0000000000740000-0x0000000000741000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads