ardamax | 9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a

General

Target

9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe
Size

1.1MB
MD5

5bd36d5c39d0263c1a555c19fe76ae67
SHA1

cd8ce1b9360656f0678638b8abb33bd7068630f0
SHA256

9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a
SHA512

11dc85cf375821b710377877891f06af363cec53d4f77df252d63b5f4b5f28d1fcc237da52f2db3b4a8838631f9d968d4abdac90674ea495ab532560cf357169
SSDEEP

24576:nZxTE3OEdgpUWfdkLx+oHELAca90YiOP+n5np:nXTE3VdgOWVwHqAca9eW+nN

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 2 IoCs

resource	yara_rule
behavioral2/files/0x00080000000231a9-133.dat	family_ardamax
behavioral2/files/0x00080000000231a9-134.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
1860	EPY.exe

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe

Loads dropped DLL 1 IoCs

pid	Process
1860	EPY.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\EPY Start = "C:\\Windows\\SysWOW64\\UKJQWP\\EPY.exe"	EPY.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	EPY.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\UKJQWP\EPY.004	9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe
File created	C:\Windows\SysWOW64\UKJQWP\EPY.001	9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe
File created	C:\Windows\SysWOW64\UKJQWP\EPY.002	9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe
File created	C:\Windows\SysWOW64\UKJQWP\AKV.exe	9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe
File created	C:\Windows\SysWOW64\UKJQWP\EPY.exe	9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe
File opened for modification	C:\Windows\SysWOW64\UKJQWP\	EPY.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1860	EPY.exe
Token: SeIncBasePriorityPrivilege	1860	EPY.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1860	EPY.exe
1860	EPY.exe
1860	EPY.exe
1860	EPY.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 1860	5052	9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe	85
PID 5052 wrote to memory of 1860	5052	9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe	85
PID 5052 wrote to memory of 1860	5052	9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe	85

C:\Users\Admin\AppData\Local\Temp\9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe
"C:\Users\Admin\AppData\Local\Temp\9689875bd073853d1f2bd229a99ca2feb9c2d099ba047281b341d061bb75204a.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Windows\SysWOW64\UKJQWP\EPY.exe
  "C:\Windows\system32\UKJQWP\EPY.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:1860

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

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
456KB

MD5
1f29b1075a91b3da0ccc0b9c49eece56

SHA1
048e675f087181035aedece9e7b11d065c6355cc

SHA256
4f6825548b32329c3360ed9abb7c0a6809a2c2291cf0bcaac511a9fa32a6336e

SHA512
7e152caf055f57f599ecc1e3a404b540b721b3315d2ba16bff6eb21f03edeb3a06ae185621e3139293612d94210f500f098bd281489ca7f336efd8b5284ee060

Download Submit
C:\Windows\SysWOW64\UKJQWP\EPY.001

Filesize
61KB

MD5
31c866d8e4448c28ae63660a0521cd92

SHA1
0e4dcb44e3c8589688b8eacdd8cc463a920baab9

SHA256
dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1

SHA512
1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

Download Submit
C:\Windows\SysWOW64\UKJQWP\EPY.001

Filesize
61KB

MD5
31c866d8e4448c28ae63660a0521cd92

SHA1
0e4dcb44e3c8589688b8eacdd8cc463a920baab9

SHA256
dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1

SHA512
1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839

Download Submit
C:\Windows\SysWOW64\UKJQWP\EPY.002

Filesize
43KB

MD5
093e599a1281e943ce1592f61d9591af

SHA1
6896810fe9b7efe4f5ae68bf280fec637e97adf5

SHA256
1ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009

SHA512
64cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc

Download Submit
C:\Windows\SysWOW64\UKJQWP\EPY.004

Filesize
1KB

MD5
de50e9706c7938c4570b7e487eb37cb2

SHA1
daa7a4941fb141abf639264681830fb170df8675

SHA256
fde9bd88712f579d413e5f83b2ba1dfb627949ad310f34157901d3491b9c72dd

SHA512
821c97d2847452238e19655146901f614b82b24693d01f38a43614d24895426dfa33997c2ba056d14f85ef971544ebbed60b9ceb0729484835c702e9d6e41e91

Download Submit
C:\Windows\SysWOW64\UKJQWP\EPY.exe

Filesize
1.5MB

MD5
0aaffc12ef1b416b9276bdc3fdec9dff

SHA1
9f38d7cf6241d867da58f89db9ff26544314b938

SHA256
42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b

SHA512
bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

Download Submit
C:\Windows\SysWOW64\UKJQWP\EPY.exe

Filesize
1.5MB

MD5
0aaffc12ef1b416b9276bdc3fdec9dff

SHA1
9f38d7cf6241d867da58f89db9ff26544314b938

SHA256
42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b

SHA512
bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c

Download Submit

Analysis

Sharing