ardamax | 59596561f643cc6cfb916122d8c7d9e21a311e90ffbc68d9bf907f939183a14c

General

Target

da85efdf57d7378e713763829277d957_JaffaCakes118.exe
Size

1.2MB
MD5

da85efdf57d7378e713763829277d957
SHA1

50d026daf33de52e3c14f2c468dd5e16029ace63
SHA256

59596561f643cc6cfb916122d8c7d9e21a311e90ffbc68d9bf907f939183a14c
SHA512

650fdd5895f075ee6fefaf4710a53794e3cadd8826db64821096400fb6f72368ac28de7451f83c4cd06d8add2d2d9bb7c6b9bb2f5442d2cda14bafea8a1c29fc
SSDEEP

24576:664MVTVUeVu5TrVhBZR5m0+fPM0fDaFMGPmdJPGbz9+kwJCY:664MTyeVsVhBZXy3lQ3iU9+/JC

Score

10^/10

ardamax 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/0x00070000000234b6-8.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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	da85efdf57d7378e713763829277d957_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4272	EEF.exe

Loads dropped DLL 1 IoCs

pid	Process
4272	EEF.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\EEF Start = "C:\\Windows\\SysWOW64\\XYSUSR\\EEF.exe"	EEF.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\XYSUSR\EEF.004	da85efdf57d7378e713763829277d957_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\XYSUSR\EEF.001	da85efdf57d7378e713763829277d957_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\XYSUSR\EEF.002	da85efdf57d7378e713763829277d957_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\XYSUSR\AKV.exe	da85efdf57d7378e713763829277d957_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\XYSUSR\EEF.exe	da85efdf57d7378e713763829277d957_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\XYSUSR\	EEF.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	da85efdf57d7378e713763829277d957_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EEF.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4272	EEF.exe
Token: SeIncBasePriorityPrivilege	4272	EEF.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4272	EEF.exe
4272	EEF.exe
4272	EEF.exe
4272	EEF.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 4272	1860	da85efdf57d7378e713763829277d957_JaffaCakes118.exe	87
PID 1860 wrote to memory of 4272	1860	da85efdf57d7378e713763829277d957_JaffaCakes118.exe	87
PID 1860 wrote to memory of 4272	1860	da85efdf57d7378e713763829277d957_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\da85efdf57d7378e713763829277d957_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\da85efdf57d7378e713763829277d957_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Windows\SysWOW64\XYSUSR\EEF.exe
  "C:\Windows\system32\XYSUSR\EEF.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:4272

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\XYSUSR\AKV.exe

Filesize
456KB

MD5
51507d91d43683b9c4b8fafeb4d888f8

SHA1
ead2f68338da7af4720378cd46133589fc9405ba

SHA256
71b3aecefd36e4855a369019ac5871c544d39f8889d23cd455466a24cdecce6b

SHA512
a5a7ff3f8ffb72719b7e2c9dc2719c99ea32bd68994918ea027c0d7d54cfe0c80bfd34486dd8d3cdd390376bc4c8d1f7d97de4b98b7d39a3e10c3e2682c07d1c

Download Submit
C:\Windows\SysWOW64\XYSUSR\EEF.001

Filesize
61KB

MD5
383d5f5d4240d590e7dec3f7312a4ac7

SHA1
f6bcade8d37afb80cf52a89b3e84683f4643fbce

SHA256
7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422

SHA512
e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

Download Submit
C:\Windows\SysWOW64\XYSUSR\EEF.002

Filesize
43KB

MD5
93df156c4bd9d7341f4c4a4847616a69

SHA1
c7663b32c3c8e247bc16b51aff87b45484652dc1

SHA256
e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e

SHA512
ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

Download Submit
C:\Windows\SysWOW64\XYSUSR\EEF.004

Filesize
1KB

MD5
281f0d7b454701457221718c33a282eb

SHA1
128787e9f7e9231f1e009083c163e0c84a7a7655

SHA256
a0046ba1c05a76f699c074009eaccdf3aca27e41e00339101f0686c797e08b8d

SHA512
937b78dc40ee196b572467c654d18475cd512c899f4a40cf9dd76bd80554d1f38e7c149dda235ed50353ca4b0205da0413b1e03ddce5b3af9eb76d48274c8507

Download Submit
C:\Windows\SysWOW64\XYSUSR\EEF.exe

Filesize
1.7MB

MD5
3cd29c0df98a7aeb69a9692843ca3edb

SHA1
7c86aea093f1979d18901bd1b89a2b02a60ac3e2

SHA256
5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32

SHA512
e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

Download Submit
memory/4272-16-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/4272-18-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads