ardamax | 248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aa

General

Target

248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe
Size

1.1MB
MD5

3e52b3ed48a7b30aa1448eeb1a3fd080
SHA1

8cb8d85effbdd46dba6fa2435ef70c210d6ab82a
SHA256

248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aa
SHA512

8e564585a987f59969d532ce8c17a9ab52ee13b7749d47a339c5e2f9999f8a8d4314a8c3a6c844431cbbeb06338184caefff499dfc861ab4e98a3872c23fdb7d
SSDEEP

24576:uk/ATFxCl4DLOHSwPAkhiOWTvL6EMs7Otc/AoLfhRi0VZ1P55ksmC9pCt:voTFxCl4gD+XX6Nsq6z5ffklip

Score

10^/10

ardamax defense_evasion 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/0x0007000000023c69-8.dat	family_ardamax

Checks computer location settings 2 TTPs 2 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	LFC.exe

Executes dropped EXE 1 IoCs

pid	Process
664	LFC.exe

Loads dropped DLL 1 IoCs

pid	Process
664	LFC.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\LFC Start = "C:\\Windows\\SysWOW64\\MBFHDF\\LFC.exe"	LFC.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
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\MBFHDF\LFC.001	248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe
File created	C:\Windows\SysWOW64\MBFHDF\LFC.002	248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe
File created	C:\Windows\SysWOW64\MBFHDF\AKV.exe	248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe
File created	C:\Windows\SysWOW64\MBFHDF\LFC.exe	248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe
File opened for modification	C:\Windows\SysWOW64\MBFHDF\	LFC.exe
File created	C:\Windows\SysWOW64\MBFHDF\LFC.004	248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.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 3 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	248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LFC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	664	LFC.exe
Token: SeIncBasePriorityPrivilege	664	LFC.exe
Token: SeIncBasePriorityPrivilege	664	LFC.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
664	LFC.exe
664	LFC.exe
664	LFC.exe
664	LFC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 664	4956	248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe	84
PID 4956 wrote to memory of 664	4956	248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe	84
PID 4956 wrote to memory of 664	4956	248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe	84
PID 664 wrote to memory of 2084	664	LFC.exe	102
PID 664 wrote to memory of 2084	664	LFC.exe	102
PID 664 wrote to memory of 2084	664	LFC.exe	102

C:\Users\Admin\AppData\Local\Temp\248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe
"C:\Users\Admin\AppData\Local\Temp\248b3b391b25c1fbbc5b2fdfca9d188d0d1f4b85ce16d0f3ff9ee16d84d874aaN.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\SysWOW64\MBFHDF\LFC.exe
  "C:\Windows\system32\MBFHDF\LFC.exe"
  2⤵
  - Checks computer location settings
  - 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
  - Suspicious use of WriteProcessMemory
  PID:664
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\MBFHDF\LFC.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2084

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

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

C:\Windows\SysWOW64\MBFHDF\AKV.exe

Filesize
463KB

MD5
eb916da4abe4ff314662089013c8f832

SHA1
1e7e611cc6922a2851bcf135806ab51cdb499efa

SHA256
96af80e7ba0f3997d59ebcb5ecef619f980d71ca29113e2cd2f2e8adcdea3061

SHA512
d0dbe1d1612982b9cd2a3ed3cbd3e3b5be49237f580f91d5e5d5b6d20ed4dc0babb69a666c19bf4e0f10776a43b9b1dcda91a4cd381ce3705b1795ef9d731c8b

Download Submit
C:\Windows\SysWOW64\MBFHDF\LFC.001

Filesize
61KB

MD5
425ff37c76030ca0eb60321eedd4afdd

SHA1
7dde5e9ce5c4057d3db149f323fa43ed29d90e09

SHA256
70b00b09ae76a7ecfd6680ab22df546b17826755087c069fc87d14895e1a4e24

SHA512
ef5ff97c0d682b6155eff8f92dace1789cf01ca8bca55af1c1d0f2243b5e18bc12a657bb2bb12601b51ef9e1b942f02feb8462644da291fd1b2239c34ef2b59b

Download Submit
C:\Windows\SysWOW64\MBFHDF\LFC.002

Filesize
43KB

MD5
12fb4f589942682a478b7c7881dfcba2

SHA1
a3d490c6cda965708a1ff6a0dc4e88037e0d6336

SHA256
4de0c277800ae36b85a11ed9765f732a73578d4dce053ff7179f96ab776fb60d

SHA512
dd1c6a4ea5bc9698701ec941c4e90fe8dfb0993dc321edc052d1a80cc49bc46be665a85ec678876e698de60cda5dbf1d6279742a16d648f9d18e642a3ea33ddd

Download Submit
C:\Windows\SysWOW64\MBFHDF\LFC.004

Filesize
1KB

MD5
157777b8cd2cdf7af6cf84d7081ab310

SHA1
a89c61ba9967691f79544177b0a6390806b209f4

SHA256
49308c236d23b3ff5a9592fdfd911523f3b860da094508328d1222344bf8eaea

SHA512
20930197b4d1faed5956938963e5462a629bf7c3186c83ec782d71122fc010c0e102c2554eab7a98bb739cd0288f0c6e989c3eda3e867b9e3610fe7263533761

Download Submit
C:\Windows\SysWOW64\MBFHDF\LFC.exe

Filesize
1.5MB

MD5
f8530f0dfe90c7c1e20239b0a7643041

SHA1
3e0208ab84b8444a69c8d62ad0b81c4186395802

SHA256
734439c4049ae1a832b4cc5c8d227112106406945d1a7cbb355e11a3f5e356c4

SHA512
5cb01517938789e006e00d69729ae7d73ad480f1ae17a80059bf81ee5d9cebb1263a35732c84f03d742684a650b116b13e6731ca80b0b9cdb3908e5588649399

Download Submit
memory/664-16-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/664-18-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads