ardamax | db76a14e6a11affc071b6310898da2ee9b3112ea3e4d6f8969905bbcaf25dd9f

General

Target

b03224531388233708359c1005ef7e6b_JaffaCakes118.exe
Size

1.2MB
MD5

b03224531388233708359c1005ef7e6b
SHA1

14d4f9ab95cb694af580d9b2c7f8d73723031091
SHA256

db76a14e6a11affc071b6310898da2ee9b3112ea3e4d6f8969905bbcaf25dd9f
SHA512

654efae9d1928a2bf7a76baa9bc0b714e5c23857fc509688b6aa4351eaa44efa10429608457ddd233a8459360bd7253248d035085c46d0ba4bc48605b76251ca
SSDEEP

24576:f64MVTpBTUAI3zGA8gtUTM857aX3YKTbdS25M5H7E4E6HJjDuXK0o53QPiEY:f64MTYR3zGU6MmaX3YkbAgM5Hw49JjD1

Score

10^/10

ardamax defense_evasion 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/0x0007000000023456-7.dat	family_ardamax

Checks computer location settings 2 TTPs 2 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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	b03224531388233708359c1005ef7e6b_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	FOI.exe

Executes dropped EXE 1 IoCs

pid	Process
3980	FOI.exe

Loads dropped DLL 1 IoCs

pid	Process
3980	FOI.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\FOI Start = "C:\\Windows\\SysWOW64\\FNRSIY\\FOI.exe"	FOI.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
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FNRSIY\	FOI.exe
File created	C:\Windows\SysWOW64\FNRSIY\FOI.004	b03224531388233708359c1005ef7e6b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\FNRSIY\FOI.001	b03224531388233708359c1005ef7e6b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\FNRSIY\FOI.002	b03224531388233708359c1005ef7e6b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\FNRSIY\FOI.exe	b03224531388233708359c1005ef7e6b_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 3 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	b03224531388233708359c1005ef7e6b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FOI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	3980	FOI.exe
Token: SeIncBasePriorityPrivilege	3980	FOI.exe
Token: SeIncBasePriorityPrivilege	3980	FOI.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3980	FOI.exe
3980	FOI.exe
3980	FOI.exe
3980	FOI.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 976 wrote to memory of 3980	976	b03224531388233708359c1005ef7e6b_JaffaCakes118.exe	85
PID 976 wrote to memory of 3980	976	b03224531388233708359c1005ef7e6b_JaffaCakes118.exe	85
PID 976 wrote to memory of 3980	976	b03224531388233708359c1005ef7e6b_JaffaCakes118.exe	85
PID 3980 wrote to memory of 564	3980	FOI.exe	98
PID 3980 wrote to memory of 564	3980	FOI.exe	98
PID 3980 wrote to memory of 564	3980	FOI.exe	98

C:\Users\Admin\AppData\Local\Temp\b03224531388233708359c1005ef7e6b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b03224531388233708359c1005ef7e6b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:976
- C:\Windows\SysWOW64\FNRSIY\FOI.exe
  "C:\Windows\system32\FNRSIY\FOI.exe"
  2⤵
  - Checks computer location settings
  - 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
  - Suspicious use of WriteProcessMemory
  PID:3980
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\FNRSIY\FOI.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:564

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

Indicator Removal

1

T1070

File Deletion

Modify Registry

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\FNRSIY\FOI.001

Filesize
61KB

MD5
383d5f5d4240d590e7dec3f7312a4ac7

SHA1
f6bcade8d37afb80cf52a89b3e84683f4643fbce

SHA256
7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422

SHA512
e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

Download Submit
C:\Windows\SysWOW64\FNRSIY\FOI.002

Filesize
43KB

MD5
93df156c4bd9d7341f4c4a4847616a69

SHA1
c7663b32c3c8e247bc16b51aff87b45484652dc1

SHA256
e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e

SHA512
ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

Download Submit
C:\Windows\SysWOW64\FNRSIY\FOI.004

Filesize
1KB

MD5
a153a0fa66fd343057313ffa049a19d0

SHA1
dec6c7412a80dd5ee6aff12d79756e36eb5757fe

SHA256
9a6ea9b228f295dec4d50e1e89a90efc013a70cc4002fdd0c748ff07f652692d

SHA512
64b28e9e9bec952f8c55663af0d5f870dc884f0caaed2ec058955f3eeda288c06c630bd453c8319b72890fb2add5d7671178c27744e872c9ca4950ef816adf69

Download Submit
C:\Windows\SysWOW64\FNRSIY\FOI.exe

Filesize
1.7MB

MD5
3cd29c0df98a7aeb69a9692843ca3edb

SHA1
7c86aea093f1979d18901bd1b89a2b02a60ac3e2

SHA256
5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32

SHA512
e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

Download Submit
memory/3980-15-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/3980-17-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads