ardamax | 1634f4106875fbc88eeac1080034e08f85c280710962e7aec71037081361ad37

General

Target

JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe
Size

1.2MB
MD5

571ef046eab5c379fc64153e4848aca3
SHA1

c793a1dff416b5c75921a4f52c39798346884a33
SHA256

1634f4106875fbc88eeac1080034e08f85c280710962e7aec71037081361ad37
SHA512

ee8524e05627f4a9c9fdae071a0bcc75523fdfebc84ba46f7d80e4b4fa26d8695198d127b5428a66dda96aee77cb2cde9a59a4d480660d622ca41413d6376287
SSDEEP

24576:fITTLuMazgpHXiNr3o6TCiTrnyeyPW3EFVCUUKwOPgzw/NqyE:f6TLWghiNrZHTGBNCUUaj/NR

Score

10^/10

ardamax defense_evasion 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/0x000a000000023b84-8.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	PUT.exe

Executes dropped EXE 1 IoCs

pid	Process
4072	PUT.exe

Loads dropped DLL 1 IoCs

pid	Process
4072	PUT.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\PUT Start = "C:\\Windows\\SysWOW64\\EKYEHA\\PUT.exe"	PUT.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 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\EKYEHA\	PUT.exe
File created	C:\Windows\SysWOW64\EKYEHA\PUT.004	JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe
File created	C:\Windows\SysWOW64\EKYEHA\PUT.001	JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe
File created	C:\Windows\SysWOW64\EKYEHA\PUT.002	JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe
File created	C:\Windows\SysWOW64\EKYEHA\AKV.exe	JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe
File created	C:\Windows\SysWOW64\EKYEHA\PUT.exe	JaffaCakes118_571ef046eab5c379fc64153e4848aca3.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	PUT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4072	PUT.exe
4072	PUT.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	4072	PUT.exe
Token: SeIncBasePriorityPrivilege	4072	PUT.exe
Token: SeIncBasePriorityPrivilege	4072	PUT.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4072	PUT.exe
4072	PUT.exe
4072	PUT.exe
4072	PUT.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 4072	3564	JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe	82
PID 3564 wrote to memory of 4072	3564	JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe	82
PID 3564 wrote to memory of 4072	3564	JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe	82
PID 4072 wrote to memory of 1688	4072	PUT.exe	92
PID 4072 wrote to memory of 1688	4072	PUT.exe	92
PID 4072 wrote to memory of 1688	4072	PUT.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_571ef046eab5c379fc64153e4848aca3.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3564
- C:\Windows\SysWOW64\EKYEHA\PUT.exe
  "C:\Windows\system32\EKYEHA\PUT.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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4072
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\EKYEHA\PUT.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1688

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\EKYEHA\AKV.exe

Filesize
490KB

MD5
64a6cc55dc76d26448c30a8a1885f7cb

SHA1
149e467026647e080b4c69ab4f99b2d3c2b4dbe4

SHA256
5cbc0ec73c901be4ac182e13f6869f6f8cf0831b9603e542a3919f6a06087640

SHA512
de8cd7bea8113871ce8a36966fbaefd02b8ef7b09a8cbb631b4ac353bdf65b27d5630146ed700fd6edbc4276f4368ebad76b772d9b84349ddc2bd6f7127c377d

Download Submit
C:\Windows\SysWOW64\EKYEHA\PUT.001

Filesize
61KB

MD5
bf311791d2f9ea9c82a8d4764a98c0d8

SHA1
405ba2bd110590abd0bf340d12e054405afb011f

SHA256
d720cf3d297743da7ab1da528f4c086a29d59ef553e1a96569b49a59831d583b

SHA512
8be092f068807767b0065de10f9da386b90d8e587356881ba3391380b953b199e818b527e74b305d7c714fc94cb6f8e66c76d89d1785fa9910aa4cb39c5cada8

Download Submit
C:\Windows\SysWOW64\EKYEHA\PUT.002

Filesize
44KB

MD5
ce365878123962c3438e349621c10198

SHA1
5b861d9fc2923c61ef390a0b729a21078aa5fd59

SHA256
ba254f6675490a045d4c85a5f46681c175c1321692c20fc808c7c244173dd63f

SHA512
efc6f143d5e9244a6635562d7e9a9cea22ab7e7b304e933642a51d66da896e9038208b86c12f6da623a01b9175e73eeb40ab600e6625db3595144bfca1231a76

Download Submit
C:\Windows\SysWOW64\EKYEHA\PUT.004

Filesize
1KB

MD5
4c1729b1570eb0eef2f119c41ed41da8

SHA1
b11e3068eee03ce3e29fc6d54277bbbab2686cb5

SHA256
44799d58031055406c2c665f5e50c40b8607e1a282df3da6bfcf186a0d349dda

SHA512
773ddb74d8b52321a46fa98dd8bd8e1112655937b50b850f66221c45e3c8b22e169b6297fc333a2f9b477a273e887c1337308605d2c248d7cc157e51f54d5d7d

Download Submit
C:\Windows\SysWOW64\EKYEHA\PUT.exe

Filesize
1.7MB

MD5
8f7590bbba70748e69612e9e2d5a9f2e

SHA1
f3ad9834bc38f33fe501b9076c65ac29d0410578

SHA256
2dec3a8fb4a5b198335e7f4a9b611194b0a081abf0c56f9df3f4e2697e69d9e4

SHA512
347e9ac793afd627e064ecdfea61c3e2b626ace0ea41928aad93a72567048b8e9bdf773f8a4a59a0d96ce8c08612c542c15982e8051828bef025fea6132838c6

Download Submit
memory/4072-16-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/4072-18-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads