ardamax | a26c88de934c7ee9002377e6a66072e46683edb70f4482a589c2fe92df32c533

General

Target

f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe
Size

500KB
MD5

f31ce76079ae2e0c45a6054fe0191bfb
SHA1

decbd54589dd827a3f67daa25a326978b17778fa
SHA256

a26c88de934c7ee9002377e6a66072e46683edb70f4482a589c2fe92df32c533
SHA512

1b298556ae7e1fcda1e292639d6c17432086cbb748712449324352c95a7a2ea7e43b976190566fbf58513adb85cd74bd91fafb5e99cd8bb19afa501533736672
SSDEEP

12288:Cnegz65+e0fvMYA4qnjp+yzt6Q3cUnmTl/IoNSasA:Vg25+eUMxTscqlznsA

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/0x00070000000234e3-12.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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1500	VJDW.exe

Loads dropped DLL 4 IoCs

pid	Process
2896	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe
1500	VJDW.exe
1500	VJDW.exe
1500	VJDW.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\VJDW Agent = "C:\\Windows\\SysWOW64\\Sys32\\VJDW.exe"	VJDW.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\Sys32\VJDW.001	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\VJDW.006	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\VJDW.007	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\VJDW.exe	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\AKV.exe	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Sys32	VJDW.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 2 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	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VJDW.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1500	VJDW.exe
Token: SeIncBasePriorityPrivilege	1500	VJDW.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1500	VJDW.exe
1500	VJDW.exe
1500	VJDW.exe
1500	VJDW.exe
1500	VJDW.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 1500	2896	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe	84
PID 2896 wrote to memory of 1500	2896	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe	84
PID 2896 wrote to memory of 1500	2896	f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f31ce76079ae2e0c45a6054fe0191bfb_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\Sys32\VJDW.exe
  "C:\Windows\system32\Sys32\VJDW.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:1500

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

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\@BF58.tmp

Filesize
3KB

MD5
2faa832b62991d302b56093477a76363

SHA1
2a26e0173a78c9c106ea799cce92ea163b44a345

SHA256
a2076664d1267efa8b69a307b0cbde8521631f2789e06f5caa96799e7f34de48

SHA512
20da18fb1350a441517498a1efeae9a21ead7592f9cdae724973c58385765100a2de5651fa991cdcc4668be777fe26bfba969dbc9706f16a54f5be258a84f347

Download Submit
C:\Windows\SysWOW64\Sys32\AKV.exe

Filesize
389KB

MD5
0a4d2002c7355a6c0d8e846fe02e7e89

SHA1
cc1bf70d3d718d3d3dc1b43405d36285933feac7

SHA256
be2cc3bda4c0e231ebae65a7c79ed1313d422e5fb2f871330080f8ca1792e455

SHA512
9e229232bbc8e4faa0ea63e1069000c2e1582a5d7b72abb5535b003d339a0984b08a34a86b36e17dad61277f0456fe98fab2dbcd2db493feee927892ef7cba57

Download Submit
C:\Windows\SysWOW64\Sys32\VJDW.001

Filesize
562B

MD5
448413b3d779871ed633e58bf3ac23e9

SHA1
6bd459293704b9b6812c815b39bed61fa58c9572

SHA256
e58a644498a3eb35ecd2890abdb8b3b03de9d133ba4f6401ec0b6899a744fa50

SHA512
6bfd9ae78ba9a9888d0197b1169ed3423812b224eee9a95e72c6ef138f75de3362d366f1cd0444cb6a50f8a302f69140dfa32e4333af6ed0690b0e36045cd647

Download Submit
C:\Windows\SysWOW64\Sys32\VJDW.006

Filesize
7KB

MD5
8013928e1446be1b8e77ca35211fd17e

SHA1
c03a6c0516d1763bacc4da535383d3b4ddb506c3

SHA256
d82bb0b7a29a9500a79e52b2ea84ea244f250cc7ff25174aa4ed5826d6b9c828

SHA512
d5e55bb8dda7f44918bafb16098d39e363237053f84377d5d591d9010b0f14a6eb2260f9dd356e32e133ab2a42c1debed0424fbe7de932d8d363ac8a09a7660f

Download Submit
C:\Windows\SysWOW64\Sys32\VJDW.007

Filesize
5KB

MD5
bb3520f108916b0967e74a9167b44925

SHA1
29dd637355ec7d38955af75775a72ac32903d40c

SHA256
f9be7b7c760a59f4d98213f4f80d45e405d1d0ac564d4f880ec820da178d45e5

SHA512
7700bf7e8fd15df753bc83b8e243e4b62095824b8bea3f40d7213a5c6307f17d9fbab2f6c737e19ede5330539014ba6c583b25bd2d58b05f05f23683affe1d53

Download Submit
C:\Windows\SysWOW64\Sys32\VJDW.exe

Filesize
475KB

MD5
3d9eaf31ec5138624f1cf21706264bd6

SHA1
f2c397f042c38862034333ed3c142a54896e0305

SHA256
17c47ecc3481cb85c0336e7bd58f141f54fa1bbe604892c41d3e6a1945b43811

SHA512
a849c329950bb015cc32624968c39c9f3f70fb37500e0292bbccb79a6413d4088d68d481e3c8c2ac0b8975b885387abe581d597892d906e357ac573c3525ed9e

Download Submit
memory/1500-23-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download
memory/1500-27-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads