ardamax | ea90d7eb7c94bcc2ded7b76a451fa70df84e678ec7a44e00b4153a3a1ff842c6

General

Target
e197565fc2a70fac1551429794107952.exe
Size 938KB
Sample240327-nxsl2aee2s
SHA256 ea90d7eb7c94bcc2ded7b76a451fa70df84e678ec7a44e00b4153a3a1ff842c6
MD5 e197565fc2a70fac1551429794107952
SHA1 85c928cc0c75a7d7441ae2526d61a7137cacdb19
SHA512 a0ad8c0e98c6bb77a7e95aa9cc2287a70d06dc8ac332f91e145e88904a6d9710dab1a27fd36494afd0916d16373f37757ba479467effac8a70b5a862c5120b3a
SSDEEP 24576:VAaUTamPhbHqQbdwzcpJo4+7zy2pzOZQCsDUn:VArTbPhDRbHpJo4+1MdOW
MD5 SHA1 SHA512 SSDEEP

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

resource	yara_rule
behavioral2/files/0x000800000002333a-7.dat	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

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

pid	Process
3040	GXB.exe

Loads dropped DLL 1 IoCs

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

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

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

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

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3040	GXB.exe
3040	GXB.exe
3040	GXB.exe
3040	GXB.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 32 wrote to memory of 3040	32	e197565fc2a70fac1551429794107952.exe	96
PID 32 wrote to memory of 3040	32	e197565fc2a70fac1551429794107952.exe	96
PID 32 wrote to memory of 3040	32	e197565fc2a70fac1551429794107952.exe	96

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

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Downloads

GXB.001

Path C:\Windows\SysWOW64\VCXNIM\GXB.001
Size 60KB
SHA256 5157138cdbf25cdcf3f085412c8be127199c253e425205a57386434a22ead3c6
MD5 62552c56e9c05aa1112bcf92efa946a2
SHA1 b5e08769e234723787587e1b3e781ee62e19b579
SHA512 18a399b95baf162b0e34f7fa9b41a0d760958b5adf9d92a4b388794a70efd9a497255ef2cf3c25e794596898e4c7fea47088792d641fad0e65dceb1d6dab974f
SSDEEP 768:6KA4M5RU9arhJhO/Cjr9HxZmX2LE19hDuig6PFDzKZhVvUFiIEin851I6/:qhWa46ncX2413tPFDGbN3r55m6
MD5 SHA1 SHA512 SSDEEP

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GXB.002

Path C:\Windows\SysWOW64\VCXNIM\GXB.002
Size 43KB
SHA256 784a603f8ee0550d5d694d8c384d6b70b6b4997c0840259f3483f295778627ea
MD5 3a7c6b1d26ec2d9d7791acb049d59be9
SHA1 4b53f01e2ba102a26f17ff4e537ee6a83562618c
SHA512 f42b42a66822e9e5975252fb7e65634a646e0397aef4e535b7e9d5d7cef9a8dcd651ebced08afd4b26cce58e4f810c18f6fc0c19530c7d0dcb2f57d07cec6ce6
SSDEEP 768:h4az9WfnXPJjnR+sdh+b6iYYzMFVM3IJaxZ42wJ01GmzwMRCR4EO:h4azE/7pXWzMFVMtZbbGMR04E
MD5 SHA1 SHA512 SSDEEP

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GXB.004

Path C:\Windows\SysWOW64\VCXNIM\GXB.004
Size 1KB
SHA256 1afc77ae3bb5056cd2d8eb4e70a50597402ce94a8c3e964f9af0f208e84c4b7c
MD5 d83e340256ae9122b4d6934175f92e0a
SHA1 df3710db910114bb4aab23ad75b7459652438d32
SHA512 bd1570b93fdfe89e0191cbc997cad2a2d6c7671b6f9c23aa979927d8ec5ba11c3498b320b3db691e71e4fead3f6b101e0e7aff066c03401f65cea05bbf5f6928
MD5 SHA1 SHA512

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GXB.exe

Path C:\Windows\SysWOW64\VCXNIM\GXB.exe
Size 1.7MB
SHA256 be34a2223a8294779aa9dbf8fcbf1434c246756711ee259cfd99378d4f5c1049
MD5 c6245ca8664ba4c0884e9c5dfb5a5ba9
SHA1 b10ec86db035936f2a610acd3594c2cfe414d44e
SHA512 177b2935e6918fdd14ec8e59201e269955de6d65d18f36640356bc8942aae54ffaeffa222358edefcbf1e1a1f47798f50c0fb4217919c3b817bfd82bd0d98c14
SSDEEP 49152:I17FIoVfQGNrTPRFvy73HFIiTspnTZbORxhpo2az96kmf:I9FxQG5ZFvMHFO0RxhpoDJ6kmf
MD5 SHA1 SHA512 SSDEEP

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

Download

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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads