ardamax | 82261a50af6324158cfc405c08b56289d10272d01c7be888f7a6870807861bfb

General

Target

6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe
Size

1.1MB
MD5

6d57f66cedb5869f3159e171565eda65
SHA1

cab83ff76b7b1f646e1327d04cc3dce07ab9eb52
SHA256

82261a50af6324158cfc405c08b56289d10272d01c7be888f7a6870807861bfb
SHA512

2aef8c5ab27b6c167ea53fd23189a5bf9763ef27be24529e2c3a66cdbb62a30cd265f0ced132c38332c81dd35603970471708bc7c3a446995ce8a683e8fba9b0
SSDEEP

24576:Ek/ATYRb5MnVTtXcDMU/dv+5L0lJzlUiUxKBQXfnI5NX:9oTYRtMnY/dplJNUp

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/0x0007000000023413-8.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-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2368	PCG.exe

Loads dropped DLL 1 IoCs

pid	Process
2368	PCG.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\PCG Start = "C:\\Windows\\SysWOW64\\CHUOMY\\PCG.exe"	PCG.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\CHUOMY\PCG.004	6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\CHUOMY\PCG.001	6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\CHUOMY\PCG.002	6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\CHUOMY\AKV.exe	6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\CHUOMY\PCG.exe	6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\CHUOMY\	PCG.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	6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PCG.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2368	PCG.exe
Token: SeIncBasePriorityPrivilege	2368	PCG.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2368	PCG.exe
2368	PCG.exe
2368	PCG.exe
2368	PCG.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 2368	1160	6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe	84
PID 1160 wrote to memory of 2368	1160	6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe	84
PID 1160 wrote to memory of 2368	1160	6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6d57f66cedb5869f3159e171565eda65_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Windows\SysWOW64\CHUOMY\PCG.exe
  "C:\Windows\system32\CHUOMY\PCG.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:2368

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\CHUOMY\AKV.exe

Filesize
466KB

MD5
4c5711d8a02899113661bdff195d80d5

SHA1
263592abea6d60887defb4b1bcb47dbb383edfb6

SHA256
661eee852ace18c0fe63548e3ca276866b40dd0dce722f67976b8c4bfdb92195

SHA512
4b16ee6c75a169ad02c6b30d08efcd969ba8840adf49f6eeec3abbe8b9f5f288e1b1cfb4431711a74510a6973663335e43d256ae0dcd1a68f55331152a4f64ae

Download Submit
C:\Windows\SysWOW64\CHUOMY\PCG.001

Filesize
61KB

MD5
7a5612cc859be918c5767487f8a6815a

SHA1
a855d3a3e6336ac0508a8099e8ace14680394c36

SHA256
643419bc7e3a46ecdd7196858b3489c806c5edc486b513ce58519a109544c9d1

SHA512
31c541870dbc695c34d132c4232accc2fe511f30188a4db33d5c41758cf5af00a4906b55b0a208b5848436313fd3d8ccf6be7f1af62ecedd3a5c4c301dc5e11d

Download Submit
C:\Windows\SysWOW64\CHUOMY\PCG.002

Filesize
43KB

MD5
b2bcd668abf17ee408d232cc636614b2

SHA1
c354f941121515536c4f0d9ae49ed1a9b28534b4

SHA256
563f5e99f0beb961ecf6a8284bf41fee3e85d6f63cdff1669438f5a2168bfd99

SHA512
ba1be164de5919ae45f4bedfebe7e7799626b457f07b42fc43b8912f2932955833617b45e147e2e4d406f57f57f50c1869aa611db18a569919395e42fa53a702

Download Submit
C:\Windows\SysWOW64\CHUOMY\PCG.004

Filesize
1KB

MD5
517f05787f5fc650478b4b6732fd8d4b

SHA1
712dc4b2471a1d5023338c3dab40d6f136b98eb0

SHA256
7abe7d9b8f0861bb09f55d7e937a710c131368b4716ee9d95e30adf44e71415e

SHA512
68c5d02613ef1e13c0dc9210d9ee5a2db0f56e9a6faaf16992ec844f154ae25f72c5858f8520b06995fefbb6fabc35dcbf8296cd39cd4fdb6e5327d7a48873c1

Download Submit
C:\Windows\SysWOW64\CHUOMY\PCG.exe

Filesize
1.5MB

MD5
a9ea3f61a57b36cde9953afd91f18d34

SHA1
e7e931b96b6e39b64a2a38d704bbe9561a234cbc

SHA256
accbdc6de9b6b671e6dc5bda9f1f983fbfcaa07467fbf6eabd25b9d5314d82ec

SHA512
0a6a42a772a3afd66233d9d3abb962b3a8cbf3d6e0e719352795b6441a148617dbe788991f0cead29d4b1540726504c9c56bebd9836ae6263b82a121fafd89fc

Download Submit
memory/2368-16-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/2368-18-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads