ardamax | 4f56cc08c70c59b91b071909506d6061f2e5fd3071f9cf5fd21f12e08c71f4cd

General

Target

eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe
Size

149KB
MD5

eb631d5e7add23a6dc50e841a8c98c88
SHA1

8f83c560438574022f1d960dc599457e50999a9c
SHA256

4f56cc08c70c59b91b071909506d6061f2e5fd3071f9cf5fd21f12e08c71f4cd
SHA512

35a9c7d03fea0507a492e47c5e63da50c5703e37f1ba8eed852f378d22cd682d747fcd6ef487e80eaeec42cf5d36725dd72079bead90a2f6babc2d5718f4a2ed
SSDEEP

3072:eOOGY+qa9LqOAszNWTQ0hO+bH9FCOVclE0xuFX7C7kw5r6:wGpxYE0sIdFCOV/F27koO

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/0x0007000000023401-12.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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4840	CKM.exe

Loads dropped DLL 2 IoCs

pid	Process
3600	eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe
4840	CKM.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\CKM = "C:\\Windows\\SysWOW64\\CKM.exe"	CKM.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 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\CKM.001	eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\CKM.006	eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\CKM.007	eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\CKM.exe	eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64	CKM.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	eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CKM.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4840	CKM.exe
Token: SeIncBasePriorityPrivilege	4840	CKM.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4840	CKM.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4840	CKM.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4840	CKM.exe
4840	CKM.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 4840	3600	eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe	82
PID 3600 wrote to memory of 4840	3600	eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe	82
PID 3600 wrote to memory of 4840	3600	eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\eb631d5e7add23a6dc50e841a8c98c88_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb631d5e7add23a6dc50e841a8c98c88_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:3600
- C:\Windows\SysWOW64\CKM.exe
  "C:\Windows\system32\CKM.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 FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4840

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\@86F3.tmp

Filesize
4KB

MD5
b3ce78b324bbaf657fa5dfb80270240d

SHA1
3eacec137e3e0c898e916dfebee4668aa2c6ef3d

SHA256
da289a8e9545c71918bda3fa6f84e45eaec17a7016be8c885f35940aebfcd486

SHA512
1494fa678289bee54ff554e1fd7e63ca38f22135d60afc7b95a566879592d00e9cf29fd2e31d541ad0881fd28c057928c467e002965a21944467232852fda068

Download Submit
C:\Windows\SysWOW64\CKM.001

Filesize
81B

MD5
a7daac11f42f110338a74ba35cb5f0ba

SHA1
eb7105d44c4085a0ff6bd69c23598735dec59a76

SHA256
59daec54114434e32405eb0a4f1edd2b440a5e8c729ed5e97b84c9dd8742dc7a

SHA512
ab1bf4c20778f724bc3dc3c617ee7b0e78f5db98e06b72e11b75462ec7da8b097ebe062e8606bef49fcb5d206af8086b30fa4f3d15e632232620c18a72b7f252

Download Submit
C:\Windows\SysWOW64\CKM.006

Filesize
4KB

MD5
2ae55889b93c5fac99ae642d1c9279b9

SHA1
640ff431cf80e0e811a74060efdb0c27c2ac4459

SHA256
b7025d43db6c92a011df5f8a5f90c6c4401875543a994dc3434ac52480a3941d

SHA512
62b3b8c892ecfa40d08783f005064fdd0e7eebbb3459ee7f646b492f541f7907fbd9e479e60142ad9d2318dca693fc57cf57add079e33397a3f2c8667da0ee92

Download Submit
C:\Windows\SysWOW64\CKM.exe

Filesize
244KB

MD5
3d940db5a36c4850146a7515f36bf64e

SHA1
77e61d2cddbfe4722f623197856a8053a9d6ca73

SHA256
ba471b072fc8d13d946754e6cacc41c2c992581018bff3d051d4a07b5b2bc375

SHA512
ab629b4436dcec4e65899bb9c66263a0d74a48be6ced4a5fd472b20959e858bc69772a1f74b5b20c06ec4860ff03d01bb20074d2c79b567b60480c80c1648d83

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads