ardamax | d969674abf19ee34013fde25c197d27a0485228dd88af956d0b2d4e49bcd1752

General

Target

JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe
Size

8.9MB
MD5

b6e1fa105c16b9d7a4db1550cbe10c9a
SHA1

6ece3f0f573f0a5dd2e0fa490741737846348f62
SHA256

d969674abf19ee34013fde25c197d27a0485228dd88af956d0b2d4e49bcd1752
SHA512

c46742b927594295a189e4281981122946c35699f615561a9b740c9540e7b047f3707be55c49a2c58d9abb302198a7d816d3a7df7f1493493a47c99c23084ab9
SSDEEP

196608:zNmcKoK4LTcc8BmjzGkEbF4hsrdQyyHWZ+axJqk+SABmeanBMukbd2/J7mEnysS3:RmcKoK4LTTImxgFOKqyuWtUHSABmeaBG

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/0x000a000000023b64-12.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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe

Executes dropped EXE 1 IoCs

pid	Process
1940	PRIP.exe

Loads dropped DLL 5 IoCs

pid	Process
4508	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe
1940	PRIP.exe
1940	PRIP.exe
1940	PRIP.exe
4508	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.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\PRIP Agent = "C:\\Windows\\SysWOW64\\Sys32\\PRIP.exe"	PRIP.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 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Sys32\PRIP.001	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe
File created	C:\Windows\SysWOW64\Sys32\PRIP.006	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe
File created	C:\Windows\SysWOW64\Sys32\PRIP.007	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe
File created	C:\Windows\SysWOW64\Sys32\PRIP.exe	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe
File opened for modification	C:\Windows\SysWOW64\Sys32	PRIP.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_b6e1fa105c16b9d7a4db1550cbe10c9a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PRIP.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000_Classes\Local Settings	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1940	PRIP.exe
Token: SeIncBasePriorityPrivilege	1940	PRIP.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1940	PRIP.exe
1940	PRIP.exe
1940	PRIP.exe
1940	PRIP.exe
1940	PRIP.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 1940	4508	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe	85
PID 4508 wrote to memory of 1940	4508	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe	85
PID 4508 wrote to memory of 1940	4508	JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6e1fa105c16b9d7a4db1550cbe10c9a.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:4508
- C:\Windows\SysWOW64\Sys32\PRIP.exe
  "C:\Windows\system32\Sys32\PRIP.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:1940

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:628

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\@77B0.tmp

Filesize
4KB

MD5
ce1db3d8d9e4b75ff749d38ca718a257

SHA1
5c7cc462e57f623c7d7a8c2a47467afc4927b4a4

SHA256
885d61204eff764496c6813967c4b4097cba7fcfb72e9571faabf1f4b5d473d9

SHA512
f6ee073336493f315b9644bf89526584a2aa9595626b51580faf1184e76f18718b696658288634737a9581d7ae27f36653243263ad35f0c9459001ba9892b160

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

Filesize
402B

MD5
9208651633e003aba273945a9b2835e7

SHA1
a7640b1fe9b3b1379e5ee04a564734d05ea94fe4

SHA256
005e95df3e0eb3aed09630c108812e6a20a3580faed6fdbd51cea6312f0325d8

SHA512
b16aa9ceced83d36fd3290c86df424b8a6809227f13406fe76fbdb0268b955a51634572047d94c752c25b1ffa8a5c54761fabd14b84be72344c89e7097b91251

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

Filesize
7KB

MD5
f88c78041afe02325aaed6f171ef23cf

SHA1
7a502ed670e5148a3d43d90e6b225926e3455f0c

SHA256
f80f5ec2826fbcb1b7a0b40b77e520d00ce25be52fae068b947868bbe93a406e

SHA512
1370e3cdfaedfbaa4c9d4e58520e6242316a629b671fae0664944cbe40ca6ef22230e2ec5b06698f6f1a1464ce4a57881655b5358d987f578caf766ac7e8e75e

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

Filesize
5KB

MD5
7073fbcfe75154326946919c8f86ebc2

SHA1
ba81cf37f06826ad6617e97b5a47538251024b4c

SHA256
89e3eb1103d75072346d3b454cde5efa92d7bb6f89f2d972b18fe0becf6db4e2

SHA512
7e9fcfd14460eebd02093f560d3fca6a198fc0b5592c3905be2efadd9bfafa24277a5155a54e4eaecfdf5829068e41969b0b97f70f5969fd1efafccfa870ae7b

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

Filesize
476KB

MD5
93285f6ebc9657feb0724435db46e246

SHA1
f7762091e7cc91e6007f273284a59f74c36ff104

SHA256
2d44177550adda3ae9d69e7f5bb51557a7d5b1c23902d84e5a2ce9c1fe079d15

SHA512
0992893a78a4a66eea62057207717f91154ea16ae140bc62878968703496106a953c55a35b6ece0d081d521ece62fa9607d56fcab28d33ffdea0e80f0aa76c8d

Download Submit
memory/1940-20-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1940-28-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads