ardamax | b241291eb130d4bdfca61e6f30f643d9f738636cd4e19360d3f1df175258c57d

General

Target

Install.exe
Size

1.2MB
MD5

202354c4e56d92e8284a656d8125881a
SHA1

b7309fda1b10984d24dde01e1d4f13bcc75ec3db
SHA256

565926a75b0340e6fe22c1c10b138e239a44e5057d229cdcfdf89c3e3c468b73
SHA512

0ae307189419c1514b223b004a87047a4edfbe55e10eea8466b0c3a4e282ae42d13b1ee12cb6e4ae14d3af85b1596c3df2d1a23b079a369db4588fd593f05fb0
SSDEEP

24576:HzwTT6+f4d17AE0gOmNrFqXw9j8GY5TteUKcwYJ2Fr/MdiiDl2BwoWxfhgcAelMV:Hz+TT2178mFFqXZtBRZJ2FbMdBZpm82y

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
behavioral6/files/0x0007000000023453-8.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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	Install.exe
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	FGD.exe

Executes dropped EXE 1 IoCs

pid	Process
2324	FGD.exe

Loads dropped DLL 1 IoCs

pid	Process
2324	FGD.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\FGD Start = "C:\\Windows\\SysWOW64\\HKQOHY\\FGD.exe"	FGD.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\HKQOHY\FGD.002	Install.exe
File created	C:\Windows\SysWOW64\HKQOHY\AKV.exe	Install.exe
File created	C:\Windows\SysWOW64\HKQOHY\FGD.exe	Install.exe
File opened for modification	C:\Windows\SysWOW64\HKQOHY\	FGD.exe
File created	C:\Windows\SysWOW64\HKQOHY\FGD.004	Install.exe
File created	C:\Windows\SysWOW64\HKQOHY\FGD.001	Install.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	Install.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FGD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2324	FGD.exe
2324	FGD.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2324	FGD.exe
Token: SeIncBasePriorityPrivilege	2324	FGD.exe
Token: SeIncBasePriorityPrivilege	2324	FGD.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2324	FGD.exe
2324	FGD.exe
2324	FGD.exe
2324	FGD.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 2324	4516	Install.exe	84
PID 4516 wrote to memory of 2324	4516	Install.exe	84
PID 4516 wrote to memory of 2324	4516	Install.exe	84
PID 2324 wrote to memory of 396	2324	FGD.exe	101
PID 2324 wrote to memory of 396	2324	FGD.exe	101
PID 2324 wrote to memory of 396	2324	FGD.exe	101

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Windows\SysWOW64\HKQOHY\FGD.exe
  "C:\Windows\system32\HKQOHY\FGD.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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\HKQOHY\FGD.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:396

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

Replay Monitor

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Downloads

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

Filesize
485KB

MD5
42150775d201a85ebc379d21aa253f85

SHA1
fccd7df34e16abaf8d55935016cdb15df8041e06

SHA256
00206ccef9ee8da111cc547c698b7e61736b328de48ac5c307d05f2921ef0b9c

SHA512
4ff3c587a8d88e319acb028829c75ecb3e11c16a62ba9c2090720613c51c6555af698ba8ff75672b405602f196ed1b99dbeb9395bae62aac2140fa31600b36e0

Download Submit
C:\Windows\SysWOW64\HKQOHY\FGD.001

Filesize
61KB

MD5
9681d3e1f2c53ad98b8467b3acca33fc

SHA1
04d5d08781f27d6e08ad0262f7325b2be4db7743

SHA256
baecddca15ea6932b9cd4e7f5bae848c3c290660a85c408b898150c6f8fd744e

SHA512
5c6191fb676ace9d1c2ddfd4e98651959ab24b718ab626c343e2bb271d31edd8ba43ed9de528c7832ddcc2137d2424c22bb19f115dc252e1400cfcd3edce2098

Download Submit
C:\Windows\SysWOW64\HKQOHY\FGD.002

Filesize
44KB

MD5
e65e4bdb2c86226589b88f101153c01b

SHA1
731be43621721dba20f0bb74966ea08043ef37fd

SHA256
e8a9477bc04824357c0f0bcc1cb665e1dfb6cf5c05f68517749f6cb11821cec2

SHA512
7700ee197f109a8f2cff2e529715e371e36c1d9924af0bedef9285f76898d3448847af3bff342813b9bd8ca619b7c39b9607150596008ffc6fe68b338f6769cd

Download Submit
C:\Windows\SysWOW64\HKQOHY\FGD.004

Filesize
1KB

MD5
f7a3d9972be10c6c2fe0dcdfdf1301c9

SHA1
82dbc266469ab8ee67b2ceec1c447f9a0453cd69

SHA256
41b14eb65f63628c97e34c39deab5f6426b871ffd16d25c99e037cdd1ba8d92e

SHA512
16256c74e6bb75ea206d2e59f33c168c6b489d59715f648396551a3d215ca2ffdf806fa8705f6bd8aadf9c78c034a5dfff1d9a0f7a87160ef65906524ce5840d

Download Submit
C:\Windows\SysWOW64\HKQOHY\FGD.exe

Filesize
1.7MB

MD5
9a6a50772539f5a61fefa29c34666223

SHA1
b2b8650d817ef7d86bfef48420e9716f0ffdccce

SHA256
93db12799d366bbb10f28b923188e3f1457b3ec931ddf33ddeb131a80e46f00b

SHA512
eb5f89e6b27981d85dc235edc477a4397d08b9e89d638b0e07301a26ca6e640f12251fdcfe1386df4167a2928bc60959289329531bc7a9e14a232ead22935fed

Download Submit
memory/2324-16-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/2324-18-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads