ardamax | 802e398c062decdfe2587c6df59d654148e98e7efda58331fa4556601c711089

General

Target
JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe
Size 1.1MB
Sample250102-erctysvnfn
SHA256 802e398c062decdfe2587c6df59d654148e98e7efda58331fa4556601c711089
MD5 629199afeda9dbe62ef768420b61fdd5
SHA1 fb437092bb2e10044f32d3043d9271bc0277504a
SHA512 43cc313f7751df556242cc8b3606238fc6ec97b8618c57351cbf23de6c75a9a5cd10ab1072461935f879900f5b08ba8179c906aad384780a2426d54812328dc3
SSDEEP 24576:364MVTxmEqHWBY8BRGROwq0EQrMYFASmwhAC2GUHFixKOhju7D:364MTxXRGUJ0trMY7AcUUsWju
MD5 SHA1 SHA512 SSDEEP

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/0x000a000000023ba0-8.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe

Executes dropped EXE 1 IoCs

pid	Process
2724	LYU.exe

Loads dropped DLL 1 IoCs

pid	Process
2724	LYU.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\LYU Start = "C:\\Windows\\SysWOW64\\HMKNIB\\LYU.exe"	LYU.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 opened for modification	C:\Windows\SysWOW64\HMKNIB\	LYU.exe
File created	C:\Windows\SysWOW64\HMKNIB\LYU.004	JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe
File created	C:\Windows\SysWOW64\HMKNIB\LYU.001	JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe
File created	C:\Windows\SysWOW64\HMKNIB\LYU.002	JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe
File created	C:\Windows\SysWOW64\HMKNIB\AKV.exe	JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe
File created	C:\Windows\SysWOW64\HMKNIB\LYU.exe	JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.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	JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LYU.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2724	LYU.exe
Token: SeIncBasePriorityPrivilege	2724	LYU.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2724	LYU.exe
2724	LYU.exe
2724	LYU.exe
2724	LYU.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 2724	3908	JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe	82
PID 3908 wrote to memory of 2724	3908	JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe	82
PID 3908 wrote to memory of 2724	3908	JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_629199afeda9dbe62ef768420b61fdd5.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Windows\SysWOW64\HMKNIB\LYU.exe
  "C:\Windows\system32\HMKNIB\LYU.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:2724

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

AKV.exe

Path C:\Windows\SysWOW64\HMKNIB\AKV.exe
Size 456KB
SHA256 71b3aecefd36e4855a369019ac5871c544d39f8889d23cd455466a24cdecce6b
MD5 51507d91d43683b9c4b8fafeb4d888f8
SHA1 ead2f68338da7af4720378cd46133589fc9405ba
SHA512 a5a7ff3f8ffb72719b7e2c9dc2719c99ea32bd68994918ea027c0d7d54cfe0c80bfd34486dd8d3cdd390376bc4c8d1f7d97de4b98b7d39a3e10c3e2682c07d1c
SSDEEP 6144:y7EZisRMjmdiQL5nA8TtWRR4aF2ypEu/IVgMxHHOwA1MZTLzaSzmCw:y7qRRVdiQVnAi0Wq2ySlp1w
MD5 SHA1 SHA512 SSDEEP

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LYU.001

Path C:\Windows\SysWOW64\HMKNIB\LYU.001
Size 61KB
SHA256 7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422
MD5 383d5f5d4240d590e7dec3f7312a4ac7
SHA1 f6bcade8d37afb80cf52a89b3e84683f4643fbce
SHA512 e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a
SSDEEP 768:oadkrNBhKs6gmch9lbKR1jX+SrhbRgQ2LE9+Qf5P/a9ZPmbWaMIjRFi3in85oQA:ENBhDUcfV2jJOQ24kQfkZPmbWllJ5Q
MD5 SHA1 SHA512 SSDEEP

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LYU.002

Path C:\Windows\SysWOW64\HMKNIB\LYU.002
Size 43KB
SHA256 e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e
MD5 93df156c4bd9d7341f4c4a4847616a69
SHA1 c7663b32c3c8e247bc16b51aff87b45484652dc1
SHA512 ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35
SSDEEP 768:JwdFarW7WyPyjWCiX41NHbCi2rFNF/IbXzm01WmzwMRNhm7:Jw3arWzUa4T+rFNF+LWMRNU
MD5 SHA1 SHA512 SSDEEP

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LYU.004

Path C:\Windows\SysWOW64\HMKNIB\LYU.004
Size 1KB
SHA256 3f6e2928ea6b1772596073503b6b6e0186116554772de6f741cad2ab08ec0975
MD5 d54c9e73a8074bf1c11c0ecea7092808
SHA1 7772d8797d0cd1341152de1babd22fa4e49255c9
SHA512 664cad323923ed471a320c85eadb581f9e6d6354a935df28771dec75b15b3d3c5029faf5e6ccd62998d47d6183dead00c55dcbc1d19a8069e8fce25de4e46cb0
MD5 SHA1 SHA512

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LYU.exe

Path C:\Windows\SysWOW64\HMKNIB\LYU.exe
Size 1.7MB
SHA256 5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32
MD5 3cd29c0df98a7aeb69a9692843ca3edb
SHA1 7c86aea093f1979d18901bd1b89a2b02a60ac3e2
SHA512 e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9
SSDEEP 49152:xFX9r4Bel8Wvu7Eol3Y9TUpnkZYYxAHq/HU17ztvhd22vqBP4O2WSK:xJ9rlKWvXol3RuxAHq/b1
MD5 SHA1 SHA512 SSDEEP

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memory/2724-16-0x0000000000A30000-0x0000000000A31000-memory.dmp

Download

memory/2724-18-0x0000000000A30000-0x0000000000A31000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads