ardamax | 9f82904640952b0aa0d1a8bbf24a6a325c81490fd12bcab98fcee939baa21e22

General

Target

JaffaCakes118_be07a720580439a01a424365e8affd8c.exe
Size

503KB
MD5

be07a720580439a01a424365e8affd8c
SHA1

0d945279bb72a7442e9580911e4e32d414fa91a4
SHA256

9f82904640952b0aa0d1a8bbf24a6a325c81490fd12bcab98fcee939baa21e22
SHA512

477175802b353f34143ea685b776ed73071771826b48f41da5375e089c09cf7e61e50bccd53e7bea175fc36b580ae6b9482ad7c3d2cb7b6460d6b1c168aeb552
SSDEEP

12288:Q1QTRUTV5nfX/Hg8A1lq9RMfNuxkkrqK+B5sXcHu/mTUd:r2TV5nfXAnq9RMFuxPqvO3d

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
behavioral1/files/0x000700000002429b-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-1-5-21-3078542121-369484597-920690335-1000\Control Panel\International\Geo\Nation	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe

Executes dropped EXE 2 IoCs

pid	Process
3004	CKCS.exe
2716	CKCS.exe

Loads dropped DLL 7 IoCs

pid	Process
4488	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe
3004	CKCS.exe
3004	CKCS.exe
3004	CKCS.exe
3584	NOTEPAD.EXE
3584	NOTEPAD.EXE
3584	NOTEPAD.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\CKCS Agent = "C:\\Windows\\SysWOW64\\Sys32\\CKCS.exe"	CKCS.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\Sys32	CKCS.exe
File created	C:\Windows\SysWOW64\Sys32\CKCS.001	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe
File created	C:\Windows\SysWOW64\Sys32\CKCS.006	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe
File created	C:\Windows\SysWOW64\Sys32\CKCS.007	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe
File created	C:\Windows\SysWOW64\Sys32\CKCS.exe	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe
File created	C:\Windows\SysWOW64\Sys32\AKV.exe	JaffaCakes118_be07a720580439a01a424365e8affd8c.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 4 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_be07a720580439a01a424365e8affd8c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CKCS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NOTEPAD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CKCS.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000_Classes\Local Settings	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3004	CKCS.exe
Token: SeIncBasePriorityPrivilege	3004	CKCS.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3004	CKCS.exe
3004	CKCS.exe
3004	CKCS.exe
3004	CKCS.exe
3004	CKCS.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 3004	4488	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe	87
PID 4488 wrote to memory of 3004	4488	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe	87
PID 4488 wrote to memory of 3004	4488	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe	87
PID 4488 wrote to memory of 3584	4488	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe	90
PID 4488 wrote to memory of 3584	4488	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe	90
PID 4488 wrote to memory of 3584	4488	JaffaCakes118_be07a720580439a01a424365e8affd8c.exe	90
PID 2436 wrote to memory of 2716	2436	cmd.exe	91
PID 2436 wrote to memory of 2716	2436	cmd.exe	91
PID 2436 wrote to memory of 2716	2436	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be07a720580439a01a424365e8affd8c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_be07a720580439a01a424365e8affd8c.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\Sys32\CKCS.exe
  "C:\Windows\system32\Sys32\CKCS.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:3004
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Novo(a) Documento de texto (2).txt
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3584

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\Sys32\CKCS.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\Sys32\CKCS.exe
  C:\Windows\SysWOW64\Sys32\CKCS.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2716

Network

MITRE ATT&CK Enterprise v16

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:\Users\Admin\AppData\Local\Temp\@8359.tmp

Filesize
4KB

MD5
74ff002e34aadbe8a9f7d88d2532c5d5

SHA1
3c11c399973d2db9a94ad7a089870d026c8c859d

SHA256
57d3fc3ef8934afd806d28d705c05637c0bd2d64b91a1a3e87e9bfbbf95f6e8e

SHA512
704c6520a7c89e6432776ad31c3334d22db390474c141974fc189c03b84e4618a35707f70f7ab7337bb63775a3cc04c2f70e88d9e3f921cf9ab2116305ed1bde

Download Submit
C:\Users\Admin\AppData\Local\Temp\Novo(a) Documento de texto (2).txt

Filesize
36B

MD5
9200cc2125721a31c5cc5a4fc42ff00a

SHA1
ba52f94fb1909641ff428d68c6cf9808276989a0

SHA256
c102f97688aaafb6a46a103ab57820b909792e691592cd5f151c6408c64fc61e

SHA512
22cc64ddc614f73f77bfaebac5d19489f4376c265a493fffd9496625c9c6ac2976aaf28e2531af1cb9df41215126fd7f75595d44c479c24870a0e32945d6a9a5

Download Submit
C:\Windows\SysWOW64\Sys32\AKV.exe

Filesize
391KB

MD5
75e14e922eeea4674c45a00335c28777

SHA1
f3268f7a91e0cef3ac1b03877daa694655e79fa1

SHA256
e103b85edbafbacc8e4ac50378ee4812b68ceccd2b6f2066243ac03674030f68

SHA512
b2c5e09c041bc235bf1be0a808c92dc5b8256447be95a0fb4bcfe9160123c63d14a4979eea28f5286a0f3f354c59f032c9a24586dfb7067150dae7339314f6fa

Download Submit
C:\Windows\SysWOW64\Sys32\CKCS.001

Filesize
498B

MD5
5c7d3806ac134afe8db4bb42d164f7be

SHA1
ef1eabbf6b1b7bfd70a77b23e5404f4d15265bad

SHA256
f50b4d612877014fc8c50f66cdfeb8be93ff548c17c3d7853adfe3eb4136c691

SHA512
23c632ac16c2386051a8fe2aeae66f1ee822f4cef80f0fe68d27eb198df8c225d105eba1a57009ccc50d43a9f7f0b18c3473b549ecfdd4a59c3aa329fb8e1b08

Download Submit
C:\Windows\SysWOW64\Sys32\CKCS.006

Filesize
7KB

MD5
5001bd93dc919785a830ab883eefb04e

SHA1
eb4e7b7d42bf4669c1f011fcd0119012cfb957c0

SHA256
2027d2ecaa78d0ffdd4234ce531be60f230b8258ae6c001af587f6d73dba771c

SHA512
20f6a8fa9e2188aa29d101100edae17d77b4983f3e1dd4696c6fbcd47ef0bbcce392a0733c330dd7a707b0f5bb92720f684b04cdd8c0f1a0b186012001c477d8

Download Submit
C:\Windows\SysWOW64\Sys32\CKCS.007

Filesize
5KB

MD5
00c2e21155375b96338bf76afea81546

SHA1
9ec87a26f5a48db97c05b2e3990aedec0adaa999

SHA256
6f3c20f654f2f4aee0752b95d72d9f46ebf467422611b30e9baa5ad1d21a4534

SHA512
cbaf2efa919def1d351de8ad8b1e30af4bb754db833019f9d998f1c78a844b933b18c41e8764edd1632be2076fd23cd7f302cfaf3f8ed6538bc90db178db422a

Download Submit
C:\Windows\SysWOW64\Sys32\CKCS.exe

Filesize
476KB

MD5
63ea07b550f22b1f5d5d6897f4d92894

SHA1
8107c9115d45c7857534f0e0b2d9837304f009f2

SHA256
729269e2ce40465fa2b512e2dfea0da818a2972070ae6fa57c92893a1276ea01

SHA512
c094235f36a1ecf1ce9082a22d34d33153595c91c941fb1e1bd9d3903e2142e6e7603db184dc19248258027e0b8377aa13f523b84a98c74c5645cd3e3c2cdf8c

Download Submit
memory/3004-22-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/3004-34-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads