ardamax | 8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74

General

Target

8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe
Size

1.2MB
MD5

0ef2185ab64692d5415ddae0cd5cb95e
SHA1

c940f7f6c109f1195c6fdcc7a7e2764965f66a8a
SHA256

8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74
SHA512

67fdbf6d6e1b6670764680bf4fd78c0903d99a4c91d7f18cb950d292f43dd22baf288a12732c5b0fa3ab1c060e54eccbc82a887eda8e9eba2e00e18458dcd61a
SSDEEP

24576:30NzTdYpq2bJSlZL8Gvt8c+c7GXmypXjSVG7ieaIzDJEv:30pTd2NRet8lcqm8XeCz9E

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 3 IoCs

resource	yara_rule
behavioral1/files/0x0007000000013402-55.dat	family_ardamax
behavioral1/files/0x0007000000013402-57.dat	family_ardamax
behavioral1/files/0x0007000000013402-63.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
960	ETO.exe

Loads dropped DLL 2 IoCs

pid	Process
920	8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe
960	ETO.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	ETO.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ETO Start = "C:\\Windows\\SysWOW64\\MOORUW\\ETO.exe"	ETO.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 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\MOORUW\ETO.004	8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe
File created	C:\Windows\SysWOW64\MOORUW\ETO.001	8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe
File created	C:\Windows\SysWOW64\MOORUW\ETO.002	8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe
File created	C:\Windows\SysWOW64\MOORUW\AKV.exe	8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe
File created	C:\Windows\SysWOW64\MOORUW\ETO.exe	8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe
File opened for modification	C:\Windows\SysWOW64\MOORUW\	ETO.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
960	ETO.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	960	ETO.exe
Token: SeIncBasePriorityPrivilege	960	ETO.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
960	ETO.exe
960	ETO.exe
960	ETO.exe
960	ETO.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 960	920	8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe	27
PID 920 wrote to memory of 960	920	8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe	27
PID 920 wrote to memory of 960	920	8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe	27
PID 920 wrote to memory of 960	920	8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe	27

C:\Users\Admin\AppData\Local\Temp\8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe
"C:\Users\Admin\AppData\Local\Temp\8b9811d5deda1536ea5a109eb623354758faf775f1e33b03deab7a410eb10e74.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:920
- C:\Windows\SysWOW64\MOORUW\ETO.exe
  "C:\Windows\system32\MOORUW\ETO.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
485KB

MD5
b905540561802896d1609a5709c38795

SHA1
a265f7c1d428ccece168d36ae1a5f50abfb69e37

SHA256
ce666ce776c30251bb1b465d47826c23efaa86ec5ee50b2a4d23a4ceb343ed53

SHA512
7663654f134f47a8092bae1f3f9d46732d2541ab955e7604d43a0def1e61e2bc039a6753e94d99f1d04b69f55a86f1fb937513671019f1bdf100edb97b24badc

Download Submit
C:\Windows\SysWOW64\MOORUW\ETO.001

Filesize
61KB

MD5
0e7e847fb96b4faa6cb4d3707a96887e

SHA1
896fd4064044e271312e9128e874108eec69521f

SHA256
c0f3e18ed0020dae5f75d3338b51f9c8de26d8af0a4d31904ba77cb1d112bbca

SHA512
ad680ed30b0cabe1be4e7237b8e620060de9c5f64d088d21a6acf6f293551ab4abc10f8f959aa6041e19aeaea538e72beeecc29b7669546a9a151141d4e73684

Download Submit
C:\Windows\SysWOW64\MOORUW\ETO.002

Filesize
43KB

MD5
f195701cf2c54d6ceadad943cf5135b8

SHA1
9beb03fc097fc58d7375b0511b87ced98a423a08

SHA256
177c1dcc7f13158445f0b99713e9cad205da86e764940a48d43dc375565b0dec

SHA512
f78def1ab431bb2b7b647ec76c063c30a87cabd22605f94cbe4fbb6f757fd54ddf7861d3842a0e369abfce94b68d41dec0fe2322a74f67d9875f561f92b20025

Download Submit
C:\Windows\SysWOW64\MOORUW\ETO.004

Filesize
1KB

MD5
bc2999032bb079c4cdb0ac025418cf26

SHA1
d7798848cb80d31fb3e15824dfa1c07aa40ec2c9

SHA256
3eeab9a97648f02688bf42ebd6c1e2a63806d56d90150a364f7e6578310e4f26

SHA512
75dca955513e063090bc7392dbc69a6fb374375cfb10b7aee4834fa9023c32671a0d39cd05f96adcbaf83721a5baa462befb035bba1b73ef8e9aac28260a240e

Download Submit
C:\Windows\SysWOW64\MOORUW\ETO.exe

Filesize
1.7MB

MD5
d95623e481661c678a0546e02f10f24c

SHA1
b6949e68a19b270873764585eb1e82448d1e0717

SHA256
cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da

SHA512
dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591

Download Submit
C:\Windows\SysWOW64\MOORUW\ETO.exe

Filesize
1.7MB

MD5
d95623e481661c678a0546e02f10f24c

SHA1
b6949e68a19b270873764585eb1e82448d1e0717

SHA256
cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da

SHA512
dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591

Download Submit
\Windows\SysWOW64\MOORUW\ETO.001

Filesize
61KB

MD5
0e7e847fb96b4faa6cb4d3707a96887e

SHA1
896fd4064044e271312e9128e874108eec69521f

SHA256
c0f3e18ed0020dae5f75d3338b51f9c8de26d8af0a4d31904ba77cb1d112bbca

SHA512
ad680ed30b0cabe1be4e7237b8e620060de9c5f64d088d21a6acf6f293551ab4abc10f8f959aa6041e19aeaea538e72beeecc29b7669546a9a151141d4e73684

Download Submit
\Windows\SysWOW64\MOORUW\ETO.exe

Filesize
1.7MB

MD5
d95623e481661c678a0546e02f10f24c

SHA1
b6949e68a19b270873764585eb1e82448d1e0717

SHA256
cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da

SHA512
dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591

Download Submit
memory/920-54-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing