ardamax | a0ebe9529cf44d697fe7128b3faa5f2b2faeb954e55e54c4cf47e2b43d32d867

General

Target

bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe
Size

1.1MB
MD5

bfe12fb8d7d9950cea0e971eecd34ecc
SHA1

abb68bd1bd81d6ef7f1246126a5b24d186df4363
SHA256

a0ebe9529cf44d697fe7128b3faa5f2b2faeb954e55e54c4cf47e2b43d32d867
SHA512

46fa47f5698e694aa15bae7d32d873c78fbd1ec5bf9d289df03256378d2ec5c46d0e84a9fd8a534b681284466af5517a38184c4b4e4b46a42aeafd49cfac8edc
SSDEEP

24576:nbPTh3uWFLW1vkE7PFdRMaUMvTAr7VaZmkdz6o+v/kckei9Zo6qYPhMiJ:n7ThttW1v7hCMvTeEmkdzj+HkdHLqi

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax
Ardamax family
ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023b8d-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4324	CJS.exe

Loads dropped DLL 1 IoCs

pid	Process
4324	CJS.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\CJS Start = "C:\\Windows\\SysWOW64\\RFECGC\\CJS.exe"	CJS.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\RFECGC\AKV.exe	bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\RFECGC\CJS.exe	bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\RFECGC\	CJS.exe
File created	C:\Windows\SysWOW64\RFECGC\CJS.004	bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\RFECGC\CJS.001	bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\RFECGC\CJS.002	bfe12fb8d7d9950cea0e971eecd34ecc_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	bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CJS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4324	CJS.exe
Token: SeIncBasePriorityPrivilege	4324	CJS.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4324	CJS.exe
4324	CJS.exe
4324	CJS.exe
4324	CJS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 4324	2324	bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe	82
PID 2324 wrote to memory of 4324	2324	bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe	82
PID 2324 wrote to memory of 4324	2324	bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bfe12fb8d7d9950cea0e971eecd34ecc_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\RFECGC\CJS.exe
  "C:\Windows\system32\RFECGC\CJS.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:4324

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:\Windows\SysWOW64\RFECGC\AKV.exe

Filesize
448KB

MD5
c49125a39e0ae69b1cc77040ba8a9441

SHA1
92941e9559d9b1a0a944595377b6c5d44b53a6a4

SHA256
f7e3d70532b7a0b04bde2fc3a9439b8a95ba7b89eff5f214ef53041a58c97524

SHA512
f61f42e500ebdd0559c420f05849265964e58aba7bb2be1095d41dddc1393ccf2191de0ed61d5fefd3957c4890c61fced1497481b76f158a12f7d95e626224c6

Download Submit
C:\Windows\SysWOW64\RFECGC\CJS.001

Filesize
61KB

MD5
29136121b1c0307a02a8826477995613

SHA1
4dffe908036a21be56a9caa739ec1bf1cf9bd0ca

SHA256
f9dd403e696d2128cafe9a4bab54a28161745934df6d3479a066083a61515402

SHA512
2c7077ff82e948b9a9b6b16214dfdd11e222f07fb0a75aec59a9dafc29906907f24e0c625cefd5032321cc7883c00fd0abc7801f185983190f353b6dff2774c7

Download Submit
C:\Windows\SysWOW64\RFECGC\CJS.002

Filesize
43KB

MD5
d977f26d7f7ffcb0f002813b55ff032d

SHA1
7e17b642dc1286908c18caba6fedb890de8fcc86

SHA256
2ce6c66843f0d0f156ae523f25d2cf4c9886fcae7b4f69deefbde4bc5328bf29

SHA512
e291f6acf5df88c52eb9232d55eb43fc08cbd423b7ae46148f710de909db49c04fc1d64e05b8e307ddd880134c525188109b94182ca99ea5934b66b9316e9e25

Download Submit
C:\Windows\SysWOW64\RFECGC\CJS.004

Filesize
684B

MD5
d5172059d6165964c4973a3d96149a52

SHA1
5158d29a8a29e1a749510fc1d8edef76814a50cb

SHA256
da9436d530fd6c889e56de056a13ac5790dbda41eef7b152ab8efde8d4320304

SHA512
532f4ee52a7f5411a7137452a584549e8268f87dbb1ba2bf271e96f98534efeabd9040ddf56a7dcab929b098f53c49f8e4fc4afb1ea3b1fa95d5001fdf6644c4

Download Submit
C:\Windows\SysWOW64\RFECGC\CJS.exe

Filesize
1.4MB

MD5
27a49221ba75a90934342bbe70f6c954

SHA1
751e322d6f7e46c132f0f97c56d60344248f1959

SHA256
946611f5091452aa46310d3ba8a885e808617b8ae9c57a468f7fe3abda4b052d

SHA512
9476f49d2e3c10f3e5cd91313e03405f944bc9887fd65e6c2236caab3a42e2c9a5392d7c34f6c5787a7dc8c3cfd43a3a90a6e052176aa60a43da0327d7ff78d6

Download Submit
memory/4324-16-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/4324-18-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads