ardamax | ea90d7eb7c94bcc2ded7b76a451fa70df84e678ec7a44e00b4153a3a1ff842c6

General

Target

e197565fc2a70fac1551429794107952.exe
Size

938KB
MD5

e197565fc2a70fac1551429794107952
SHA1

85c928cc0c75a7d7441ae2526d61a7137cacdb19
SHA256

ea90d7eb7c94bcc2ded7b76a451fa70df84e678ec7a44e00b4153a3a1ff842c6
SHA512

a0ad8c0e98c6bb77a7e95aa9cc2287a70d06dc8ac332f91e145e88904a6d9710dab1a27fd36494afd0916d16373f37757ba479467effac8a70b5a862c5120b3a
SSDEEP

24576:VAaUTamPhbHqQbdwzcpJo4+7zy2pzOZQCsDUn:VArTbPhDRbHpJo4+1MdOW

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

Processes:

resource	yara_rule
C:\Windows\SysWOW64\VCXNIM\GXB.exe	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

Processes:

e197565fc2a70fac1551429794107952.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	e197565fc2a70fac1551429794107952.exe

Executes dropped EXE 1 IoCs

Processes:

GXB.exe

pid process

3040 GXB.exe
Loads dropped DLL 1 IoCs

Processes:

GXB.exe

pid process

3040 GXB.exe

pid	process
3040	GXB.exe

pid	process
3040	GXB.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

GXB.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\GXB Start = "C:\\Windows\\SysWOW64\\VCXNIM\\GXB.exe"	GXB.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 5 IoCs

Processes:

e197565fc2a70fac1551429794107952.exeGXB.exe

description	ioc	process
File created	C:\Windows\SysWOW64\VCXNIM\GXB.004	e197565fc2a70fac1551429794107952.exe
File created	C:\Windows\SysWOW64\VCXNIM\GXB.001	e197565fc2a70fac1551429794107952.exe
File created	C:\Windows\SysWOW64\VCXNIM\GXB.002	e197565fc2a70fac1551429794107952.exe
File created	C:\Windows\SysWOW64\VCXNIM\GXB.exe	e197565fc2a70fac1551429794107952.exe
File opened for modification	C:\Windows\SysWOW64\VCXNIM\	GXB.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

Processes:

GXB.exe

description pid process

Token: 33 3040 GXB.exe
Token: SeIncBasePriorityPrivilege 3040 GXB.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

GXB.exe

pid process

3040 GXB.exe
3040 GXB.exe
3040 GXB.exe
3040 GXB.exe

description	pid	process
Token: 33	3040	GXB.exe
Token: SeIncBasePriorityPrivilege	3040	GXB.exe

pid	process
3040	GXB.exe
3040	GXB.exe
3040	GXB.exe
3040	GXB.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

e197565fc2a70fac1551429794107952.exe

description	pid	process	target process
PID 32 wrote to memory of 3040	32	e197565fc2a70fac1551429794107952.exe	GXB.exe
PID 32 wrote to memory of 3040	32	e197565fc2a70fac1551429794107952.exe	GXB.exe
PID 32 wrote to memory of 3040	32	e197565fc2a70fac1551429794107952.exe	GXB.exe

C:\Users\Admin\AppData\Local\Temp\e197565fc2a70fac1551429794107952.exe
"C:\Users\Admin\AppData\Local\Temp\e197565fc2a70fac1551429794107952.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:32
- C:\Windows\SysWOW64\VCXNIM\GXB.exe
  "C:\Windows\system32\VCXNIM\GXB.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:3040

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4236 --field-trial-handle=2700,i,14629483171127516024,12350888228055326066,262144 --variations-seed-version /prefetch:8
1⤵
PID:4760

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\VCXNIM\GXB.001

Filesize
60KB

MD5
62552c56e9c05aa1112bcf92efa946a2

SHA1
b5e08769e234723787587e1b3e781ee62e19b579

SHA256
5157138cdbf25cdcf3f085412c8be127199c253e425205a57386434a22ead3c6

SHA512
18a399b95baf162b0e34f7fa9b41a0d760958b5adf9d92a4b388794a70efd9a497255ef2cf3c25e794596898e4c7fea47088792d641fad0e65dceb1d6dab974f

Download Submit
C:\Windows\SysWOW64\VCXNIM\GXB.002

Filesize
43KB

MD5
3a7c6b1d26ec2d9d7791acb049d59be9

SHA1
4b53f01e2ba102a26f17ff4e537ee6a83562618c

SHA256
784a603f8ee0550d5d694d8c384d6b70b6b4997c0840259f3483f295778627ea

SHA512
f42b42a66822e9e5975252fb7e65634a646e0397aef4e535b7e9d5d7cef9a8dcd651ebced08afd4b26cce58e4f810c18f6fc0c19530c7d0dcb2f57d07cec6ce6

Download Submit
C:\Windows\SysWOW64\VCXNIM\GXB.004

Filesize
1KB

MD5
d83e340256ae9122b4d6934175f92e0a

SHA1
df3710db910114bb4aab23ad75b7459652438d32

SHA256
1afc77ae3bb5056cd2d8eb4e70a50597402ce94a8c3e964f9af0f208e84c4b7c

SHA512
bd1570b93fdfe89e0191cbc997cad2a2d6c7671b6f9c23aa979927d8ec5ba11c3498b320b3db691e71e4fead3f6b101e0e7aff066c03401f65cea05bbf5f6928

Download Submit
C:\Windows\SysWOW64\VCXNIM\GXB.exe

Filesize
1.7MB

MD5
c6245ca8664ba4c0884e9c5dfb5a5ba9

SHA1
b10ec86db035936f2a610acd3594c2cfe414d44e

SHA256
be34a2223a8294779aa9dbf8fcbf1434c246756711ee259cfd99378d4f5c1049

SHA512
177b2935e6918fdd14ec8e59201e269955de6d65d18f36640356bc8942aae54ffaeffa222358edefcbf1e1a1f47798f50c0fb4217919c3b817bfd82bd0d98c14

Download Submit
memory/3040-14-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/3040-16-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads