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
behavioral1/files/0x0007000000016de9-5.dat	family_ardamax

Executes dropped EXE 2 IoCs

pid	Process
2832	AVT.exe
2908	write.exe

Loads dropped DLL 3 IoCs

pid	Process
2676	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
2676	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
2832	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.004	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
File created	C:\Windows\HFJEJY\AVT.001	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
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

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	2832	AVT.exe
Token: SeIncBasePriorityPrivilege	2832	AVT.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2832	AVT.exe
2832	AVT.exe
2832	AVT.exe
2832	AVT.exe
2728	wordpad.exe
2728	wordpad.exe
2728	wordpad.exe
2728	wordpad.exe
2728	wordpad.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2832	2676	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2832	2676	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2832	2676	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2832	2676	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2908	2676	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2908	2676	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2908	2676	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2908	2676	b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe	32
PID 2908 wrote to memory of 2728	2908	write.exe	33
PID 2908 wrote to memory of 2728	2908	write.exe	33
PID 2908 wrote to memory of 2728	2908	write.exe	33

C:\Users\Admin\AppData\Local\Temp\b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9ca16970524e98ef8266d028cbd26e7_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- 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:2832
- C:\Users\Admin\AppData\Local\Temp\write.exe
  "C:\Users\Admin\AppData\Local\Temp\write.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Program Files\Windows NT\Accessories\wordpad.exe
    "C:\Program Files\Windows NT\Accessories\wordpad.exe"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2728

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:\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
\Users\Admin\AppData\Local\Temp\write.exe

Filesize
10KB

MD5
f8ed3b4b209e2cb49028e36cf06ca851

SHA1
71e0c405d0e615d55367df1bce4ceb19b3937a5c

SHA256
e46620bd4eb048fcb2a8f1541d2dbda8299e38e01a4eef9c4e7c3c43b96d0629

SHA512
87563891548b0eae7b410ad0877713216ed43c9160814a8bd14bc895eb8fafe2ab807d7666cf08e4882d8df2d46449d46bb347afe3bdcdb8034e533e135138b2

Download Submit
\Windows\HFJEJY\AVT.exe

Filesize
1.7MB

MD5
3cd29c0df98a7aeb69a9692843ca3edb

SHA1
7c86aea093f1979d18901bd1b89a2b02a60ac3e2

SHA256
5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32

SHA512
e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

Download Submit
memory/2832-18-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2832-20-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads