ardamax | 30ec7fd91b0ffe073d4cc09e5237de270965f2e7fb3d0a7c8bf32ce6faa34dec

General

Target

ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe
Size

1.2MB
MD5

ef2c270d2a0e4266b2d394ea98492e16
SHA1

871a510eea4e8b096fd5f8835eeb6d2a1c41016d
SHA256

30ec7fd91b0ffe073d4cc09e5237de270965f2e7fb3d0a7c8bf32ce6faa34dec
SHA512

ab261baf182d08ba13417dd0995b73f410745adcc26f73c4119ac4b75a651d4a7624959f86aca44c9cfd5be43873482c633d0aaa56e2e7b521304f79e86b9c91
SSDEEP

24576:a64MVTvd6iGDMIAFPNSsLmqyeMXFJNWkcdujHs8xgCK/05iPkwqKTTV5nb:a64MT1sYFPssLmq/WFJNWk4kVM/01w7T

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/0x00070000000234be-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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
5012	VAT.exe

Loads dropped DLL 1 IoCs

pid	Process
5012	VAT.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\VAT Start = "C:\\Windows\\SysWOW64\\GRLNTH\\VAT.exe"	VAT.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\GRLNTH\VAT.004	ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\GRLNTH\VAT.001	ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\GRLNTH\VAT.002	ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\GRLNTH\AKV.exe	ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\GRLNTH\VAT.exe	ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\GRLNTH\	VAT.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	ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VAT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	5012	VAT.exe
Token: SeIncBasePriorityPrivilege	5012	VAT.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5012	VAT.exe
5012	VAT.exe
5012	VAT.exe
5012	VAT.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 5012	2796	ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe	83
PID 2796 wrote to memory of 5012	2796	ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe	83
PID 2796 wrote to memory of 5012	2796	ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef2c270d2a0e4266b2d394ea98492e16_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\SysWOW64\GRLNTH\VAT.exe
  "C:\Windows\system32\GRLNTH\VAT.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:5012

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\GRLNTH\AKV.exe

Filesize
456KB

MD5
51507d91d43683b9c4b8fafeb4d888f8

SHA1
ead2f68338da7af4720378cd46133589fc9405ba

SHA256
71b3aecefd36e4855a369019ac5871c544d39f8889d23cd455466a24cdecce6b

SHA512
a5a7ff3f8ffb72719b7e2c9dc2719c99ea32bd68994918ea027c0d7d54cfe0c80bfd34486dd8d3cdd390376bc4c8d1f7d97de4b98b7d39a3e10c3e2682c07d1c

Download Submit
C:\Windows\SysWOW64\GRLNTH\VAT.001

Filesize
61KB

MD5
383d5f5d4240d590e7dec3f7312a4ac7

SHA1
f6bcade8d37afb80cf52a89b3e84683f4643fbce

SHA256
7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422

SHA512
e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

Download Submit
C:\Windows\SysWOW64\GRLNTH\VAT.002

Filesize
43KB

MD5
93df156c4bd9d7341f4c4a4847616a69

SHA1
c7663b32c3c8e247bc16b51aff87b45484652dc1

SHA256
e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e

SHA512
ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

Download Submit
C:\Windows\SysWOW64\GRLNTH\VAT.004

Filesize
1KB

MD5
4a45e6d633df56824015fb6fd6f4222d

SHA1
36cf6da2724c62e42ac0ac23032deddf5e2e96bf

SHA256
6c7fd128042dbfda837cfdec01e05d38e2ac72a26584b609dba1433fd516fd9e

SHA512
bb3c317997b236c2254db621c8ab8a8b40a9261dfd61925ae482726e9a67bd6bdc18ece68d0c9cf5b94a3e220a32842656e4db5a55cf1de2d099df1ca5fd0519

Download Submit
C:\Windows\SysWOW64\GRLNTH\VAT.exe

Filesize
1.7MB

MD5
3cd29c0df98a7aeb69a9692843ca3edb

SHA1
7c86aea093f1979d18901bd1b89a2b02a60ac3e2

SHA256
5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32

SHA512
e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

Download Submit
memory/5012-16-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/5012-18-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads