ardamax | 13518e8e0dd21d82b2b023149843b1ccf7dfb552315e8db9ea1169d76ef4d2cc

General

Target

b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
Size

938KB
MD5

b9ca16970524e98ef8266d028cbd26e7
SHA1

8f2c068430db000acb375542d9f7ae5c9f3cb806
SHA256

13518e8e0dd21d82b2b023149843b1ccf7dfb552315e8db9ea1169d76ef4d2cc
SHA512

fdb4439f85c99ffd33223cf5f6be7135c0579b66139f118370943e9f61ec8abb340fe16a68b97b31a099ad1c3790136c76eac0c11caf39bda2777375ce0eb602
SSDEEP

24576:W64MVTzOYaSac4sZSfqwyAyUHVEibr2XdXeOb6HFDsg:W64MTzpyVaSfVTqeO+l

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/0x0007000000023446-7.dat	family_ardamax

Checks computer location settings 2 TTPs 2 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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	write.exe

Executes dropped EXE 2 IoCs

pid	Process
3836	AVT.exe
2716	write.exe

Loads dropped DLL 1 IoCs

pid	Process
3836	AVT.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\AVT Start = "C:\\Windows\\HFJEJY\\AVT.exe"	AVT.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 Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\HFJEJY\AVT.002	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
File created	C:\Windows\HFJEJY\AVT.exe	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
File opened for modification	C:\Windows\HFJEJY\	AVT.exe
File created	C:\Windows\HFJEJY\AVT.004	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
File created	C:\Windows\HFJEJY\AVT.001	b9ca16970524e98ef8266d028cbd26e7_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 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	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AVT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3836	AVT.exe
Token: SeIncBasePriorityPrivilege	3836	AVT.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
3836	AVT.exe
3836	AVT.exe
3836	AVT.exe
3836	AVT.exe
5048	wordpad.exe
5048	wordpad.exe
5048	wordpad.exe
5048	wordpad.exe
5048	wordpad.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 3836	4060	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	84
PID 4060 wrote to memory of 3836	4060	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	84
PID 4060 wrote to memory of 3836	4060	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	84
PID 4060 wrote to memory of 2716	4060	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	85
PID 4060 wrote to memory of 2716	4060	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	85
PID 2716 wrote to memory of 5048	2716	write.exe	86
PID 2716 wrote to memory of 5048	2716	write.exe	86

C:\Users\Admin\AppData\Local\Temp\b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Windows\HFJEJY\AVT.exe
  "C:\Windows\HFJEJY\AVT.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3836
- C:\Users\Admin\AppData\Local\Temp\write.exe
  "C:\Users\Admin\AppData\Local\Temp\write.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Program Files\Windows NT\Accessories\wordpad.exe
    "C:\Program Files\Windows NT\Accessories\wordpad.exe"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:5048

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4768

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\write.exe

Filesize
10KB

MD5
f8ed3b4b209e2cb49028e36cf06ca851

SHA1
71e0c405d0e615d55367df1bce4ceb19b3937a5c

SHA256
e46620bd4eb048fcb2a8f1541d2dbda8299e38e01a4eef9c4e7c3c43b96d0629

SHA512
87563891548b0eae7b410ad0877713216ed43c9160814a8bd14bc895eb8fafe2ab807d7666cf08e4882d8df2d46449d46bb347afe3bdcdb8034e533e135138b2

Download Submit
C:\Windows\HFJEJY\AVT.001

Filesize
61KB

MD5
383d5f5d4240d590e7dec3f7312a4ac7

SHA1
f6bcade8d37afb80cf52a89b3e84683f4643fbce

SHA256
7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422

SHA512
e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

Download Submit
C:\Windows\HFJEJY\AVT.002

Filesize
43KB

MD5
93df156c4bd9d7341f4c4a4847616a69

SHA1
c7663b32c3c8e247bc16b51aff87b45484652dc1

SHA256
e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e

SHA512
ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

Download Submit
C:\Windows\HFJEJY\AVT.004

Filesize
1KB

MD5
bdb17b0525b1de51978b4e45fbb2211f

SHA1
c310e088fd2d9bf1c155a5a5bb84a636317988a8

SHA256
33d3d56f35f1d07c42059cebb12a70af3dbf3828351a0704f14b6ad695d6a0a3

SHA512
1b0f4371b8712aea1b6871a4c9492434431d3acdcb22003d4b34d43631182a2f1fbc1a0cdfa51cf828686f2c7b72d3e213fd44e123ef6a86f8c77f5d571ed959

Download Submit
C:\Windows\HFJEJY\AVT.exe

Filesize
1.7MB

MD5
3cd29c0df98a7aeb69a9692843ca3edb

SHA1
7c86aea093f1979d18901bd1b89a2b02a60ac3e2

SHA256
5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32

SHA512
e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

Download Submit
memory/3836-25-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/3836-27-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads