ardamax | 6d47808e358bb8e9bd1abb9a916ad9e7baed77632bea2edb93a0b3de15426d46

General

Target

b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe
Size

1.2MB
MD5

b41098b05c5018dd248a32204adc6d64
SHA1

c4c4e83f5c6ec98542c221d1d9a0cf39c3f8062c
SHA256

6d47808e358bb8e9bd1abb9a916ad9e7baed77632bea2edb93a0b3de15426d46
SHA512

7c0496fde08cb91789256582e0f1dd26dd571734ebda17e30910b71c49074e7dec0ed86b472f6cac057101392b4c61e32ca24c0361aaafe840821c4e9969e26a
SSDEEP

24576:hk/ATx5BjDKMaHAwgBC3DPVnIedAGpWP5+ruPRZuAMvncJ/j:+oTx5BvA1rVIeHvqZ83f

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
behavioral1/files/0x0007000000018bed-7.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
2124	BIW.exe

Loads dropped DLL 3 IoCs

pid	Process
2536	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe
2124	BIW.exe
2492	NOTEPAD.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\BIW Start = "C:\\Windows\\SysWOW64\\VVBMTL\\BIW.exe"	BIW.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 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\VVBMTL\	BIW.exe
File created	C:\Windows\SysWOW64\VVBMTL\BIW.004	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VVBMTL\BIW.001	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VVBMTL\BIW.002	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VVBMTL\AKV.exe	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VVBMTL\BIW.003	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\VVBMTL\BIW.exe	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.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	NOTEPAD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BIW.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2492	NOTEPAD.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2124	BIW.exe
Token: SeIncBasePriorityPrivilege	2124	BIW.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2124	BIW.exe
2124	BIW.exe
2124	BIW.exe
2124	BIW.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2124	2536	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2124	2536	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2124	2536	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2124	2536	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe	30
PID 2536 wrote to memory of 2492	2536	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe	31
PID 2536 wrote to memory of 2492	2536	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe	31
PID 2536 wrote to memory of 2492	2536	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe	31
PID 2536 wrote to memory of 2492	2536	b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b41098b05c5018dd248a32204adc6d64_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\VVBMTL\BIW.exe
  "C:\Windows\system32\VVBMTL\BIW.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2124
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\not.txt
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Opens file in notepad (likely ransom note)
  PID:2492

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

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\not.txt

Filesize
62B

MD5
112f6fa70a69c6365c33fcde88ee71fc

SHA1
93aa5c28861ea1bbdab643f7be4d93e8394d2151

SHA256
7170166cc291b5f909fecea79a391507fe2c9e341006034814412ceb3b25858b

SHA512
74a29573858d0e22a8a0edc7daedceafcc12ad7f92f0f7d01461ab820c9e47b4afec0fa5264c359d2e4d479e20d4a56a8a700d9c6df070dbee696f91b20d6a5b

Download Submit
C:\Windows\SysWOW64\VVBMTL\AKV.exe

Filesize
463KB

MD5
eb916da4abe4ff314662089013c8f832

SHA1
1e7e611cc6922a2851bcf135806ab51cdb499efa

SHA256
96af80e7ba0f3997d59ebcb5ecef619f980d71ca29113e2cd2f2e8adcdea3061

SHA512
d0dbe1d1612982b9cd2a3ed3cbd3e3b5be49237f580f91d5e5d5b6d20ed4dc0babb69a666c19bf4e0f10776a43b9b1dcda91a4cd381ce3705b1795ef9d731c8b

Download Submit
C:\Windows\SysWOW64\VVBMTL\BIW.001

Filesize
61KB

MD5
425ff37c76030ca0eb60321eedd4afdd

SHA1
7dde5e9ce5c4057d3db149f323fa43ed29d90e09

SHA256
70b00b09ae76a7ecfd6680ab22df546b17826755087c069fc87d14895e1a4e24

SHA512
ef5ff97c0d682b6155eff8f92dace1789cf01ca8bca55af1c1d0f2243b5e18bc12a657bb2bb12601b51ef9e1b942f02feb8462644da291fd1b2239c34ef2b59b

Download Submit
C:\Windows\SysWOW64\VVBMTL\BIW.002

Filesize
43KB

MD5
12fb4f589942682a478b7c7881dfcba2

SHA1
a3d490c6cda965708a1ff6a0dc4e88037e0d6336

SHA256
4de0c277800ae36b85a11ed9765f732a73578d4dce053ff7179f96ab776fb60d

SHA512
dd1c6a4ea5bc9698701ec941c4e90fe8dfb0993dc321edc052d1a80cc49bc46be665a85ec678876e698de60cda5dbf1d6279742a16d648f9d18e642a3ea33ddd

Download Submit
C:\Windows\SysWOW64\VVBMTL\BIW.003

Filesize
68KB

MD5
f47e8f65618e1b1f7e1720713f5a8c4c

SHA1
abad8e9e13b1e41f2af86e3c16526c6f2d05d952

SHA256
f170be2582c82ea131e1f688eea6e1cd17d14e6a9bb805b6aed2791e625a74d8

SHA512
635d617dbd15d00e2f7470857531b9820439a8816f2c74b3d83156599537ff42e26ea7d769863f2768eb2770ba9c47b1a10eb3e2677fe92b9eda6ae51da18dcb

Download Submit
C:\Windows\SysWOW64\VVBMTL\BIW.004

Filesize
1KB

MD5
657d61a2f59b4aa9c14aac9fe5ba64b7

SHA1
5db6a61cf7901d0d8775670da4e6fce549fa4bea

SHA256
64bfd1966e08c85a5618e7be34ceac634cf0ed7599526037da806ca281e65eb1

SHA512
c9d254899c13b00dc58c94048bca8e31348f041bad3b6f4da5bef77cfa026aed60605c86af651d3e531ffea8379f109bc7bc76102a2b3ee3c1c3a65dbddafd53

Download Submit
\Windows\SysWOW64\VVBMTL\BIW.exe

Filesize
1.5MB

MD5
f8530f0dfe90c7c1e20239b0a7643041

SHA1
3e0208ab84b8444a69c8d62ad0b81c4186395802

SHA256
734439c4049ae1a832b4cc5c8d227112106406945d1a7cbb355e11a3f5e356c4

SHA512
5cb01517938789e006e00d69729ae7d73ad480f1ae17a80059bf81ee5d9cebb1263a35732c84f03d742684a650b116b13e6731ca80b0b9cdb3908e5588649399

Download Submit
memory/2124-18-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2124-22-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads