ardamax | ed6d20f76b6a57ebbc6d44027750c691eca7f3d09d981944ffa3b7154b537cc8

General

Target

b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe
Size

419KB
MD5

b969cf5c984dc4f73b7d5f5bc728e434
SHA1

6a94c90c918028f94a3b0079f69e9ef93c786946
SHA256

ed6d20f76b6a57ebbc6d44027750c691eca7f3d09d981944ffa3b7154b537cc8
SHA512

43c6737429522ddbf5d48a8b6f06ea977be64e3c8346e142d0b1ec8b9053e436d877040e1f1db3c8c8bf1f106a2ad85fdddf759f80f285c473631d7e5c5d9fd0
SSDEEP

12288:HrzyIzIGSRYMM0zVZakM+nczLi81SVGj65+JHk:6IzZ6YPkT6i8wv8Hk

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/0x0007000000023cce-12.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	RHOJ.exe

Executes dropped EXE 1 IoCs

pid	Process
1688	RHOJ.exe

Loads dropped DLL 5 IoCs

pid	Process
3960	b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe
1688	RHOJ.exe
1688	RHOJ.exe
1688	RHOJ.exe
3440	WerFault.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\RHOJ Agent = "C:\\Windows\\SysWOW64\\28463\\RHOJ.exe"	RHOJ.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 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\RHOJ.007	b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\RHOJ.exe	b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	RHOJ.exe
File created	C:\Windows\SysWOW64\28463\RHOJ.001	b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\RHOJ.006	b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3440	1688	WerFault.exe	83

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	b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RHOJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	1688	RHOJ.exe
Token: SeIncBasePriorityPrivilege	1688	RHOJ.exe
Token: SeIncBasePriorityPrivilege	1688	RHOJ.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1688	RHOJ.exe
1688	RHOJ.exe
1688	RHOJ.exe
1688	RHOJ.exe
1688	RHOJ.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 1688	3960	b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe	83
PID 3960 wrote to memory of 1688	3960	b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe	83
PID 3960 wrote to memory of 1688	3960	b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe	83
PID 1688 wrote to memory of 5044	1688	RHOJ.exe	104
PID 1688 wrote to memory of 5044	1688	RHOJ.exe	104
PID 1688 wrote to memory of 5044	1688	RHOJ.exe	104

C:\Users\Admin\AppData\Local\Temp\b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b969cf5c984dc4f73b7d5f5bc728e434_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3960
- C:\Windows\SysWOW64\28463\RHOJ.exe
  "C:\Windows\system32\28463\RHOJ.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 use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 1068
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:3440
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\RHOJ.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1688 -ip 1688
1⤵
PID:4516

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:\Users\Admin\AppData\Local\Temp\@A151.tmp

Filesize
4KB

MD5
25530555085337eb644b061f239aa9d4

SHA1
8d91e099aba5439d4bfa8bce464c94e3e1acf620

SHA256
3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325

SHA512
b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a

Download Submit
C:\Windows\SysWOW64\28463\RHOJ.001

Filesize
396B

MD5
6e74384583ab4b4672d6721152abc683

SHA1
faabc7c33bf2bfa697e3dab045c51dfaedd34543

SHA256
afe6c2e7b794fe4765559d8597a5193fc31db03d82efafc567824ea995606323

SHA512
ea00ac82eaf1c9f957a94731861e6e09d7cf775f097ba46027dfc6ef9f4d39e453f3fe60e8a7e69494dd13c7bf0589476aea0a1a3a267c1cb79bec2658f59c6a

Download Submit
C:\Windows\SysWOW64\28463\RHOJ.006

Filesize
8KB

MD5
81e20f4361cf8f5a57812871c24d945e

SHA1
5d7877d6959ab26599b05795a71633f00c37a3da

SHA256
e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d

SHA512
69b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818

Download Submit
C:\Windows\SysWOW64\28463\RHOJ.007

Filesize
5KB

MD5
e9fbdcc2f5fb657fa519b3f5c69fc52d

SHA1
c49cca77b46a59d620711de7564d43e5dafcd2b5

SHA256
cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4

SHA512
913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1

Download Submit
C:\Windows\SysWOW64\28463\RHOJ.exe

Filesize
473KB

MD5
97d8ad45f48b4b28a93aab94699b7168

SHA1
8b69b7fd7c008b95d12386f6da415097e72151de

SHA256
661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331

SHA512
3351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a

Download Submit
memory/1688-20-0x0000000000A50000-0x0000000000A51000-memory.dmp

Filesize
4KB

Download
memory/1688-26-0x0000000000A50000-0x0000000000A51000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads