ardamax | 450d49df7d4865a9f3ff0808516db83ce34cd18d12a183acbaf7a0646fa4dc60

General

Target

JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe
Size

605KB
MD5

6efd8e2aabbb2aff33dc32bd5544c67e
SHA1

8ef66c80dc2fe528adc7a5df8ad61925b8a5819c
SHA256

450d49df7d4865a9f3ff0808516db83ce34cd18d12a183acbaf7a0646fa4dc60
SHA512

3280df63dd942a9fb9bf376586c9eb116329196131acfcf49f8bcecb376096303b7a5a164e9eed823f03293dec944022d3e881a4c7eec55c4c9c5ca0d57d42b2
SSDEEP

12288:KuyieOubxdCFbxdCCFHI6FQBj6O6jK5+ugmdcFAWxGsov//j1qp7:tybZOFOF8S6BW8jmej9ov3jYp7

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/0x000a000000023b88-12.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	BMWS.exe

Executes dropped EXE 1 IoCs

pid	Process
3876	BMWS.exe

Loads dropped DLL 5 IoCs

pid	Process
4028	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe
3876	BMWS.exe
3876	BMWS.exe
3876	BMWS.exe
2032	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\BMWS Agent = "C:\\Windows\\SysWOW64\\28463\\BMWS.exe"	BMWS.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 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\28463\BMWS.009	BMWS.exe
File created	C:\Windows\SysWOW64\28463\BMWS.001	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe
File created	C:\Windows\SysWOW64\28463\BMWS.006	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe
File created	C:\Windows\SysWOW64\28463\BMWS.007	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe
File created	C:\Windows\SysWOW64\28463\BMWS.exe	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe
File opened for modification	C:\Windows\SysWOW64\28463	BMWS.exe
File created	C:\Windows\SysWOW64\28463\BMWS.009	BMWS.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
2032	3876	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	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BMWS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	3876	BMWS.exe
Token: SeIncBasePriorityPrivilege	3876	BMWS.exe
Token: SeIncBasePriorityPrivilege	3876	BMWS.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3876	BMWS.exe
3876	BMWS.exe
3876	BMWS.exe
3876	BMWS.exe
3876	BMWS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 3876	4028	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe	83
PID 4028 wrote to memory of 3876	4028	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe	83
PID 4028 wrote to memory of 3876	4028	JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe	83
PID 3876 wrote to memory of 4060	3876	BMWS.exe	104
PID 3876 wrote to memory of 4060	3876	BMWS.exe	104
PID 3876 wrote to memory of 4060	3876	BMWS.exe	104

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6efd8e2aabbb2aff33dc32bd5544c67e.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:4028
- C:\Windows\SysWOW64\28463\BMWS.exe
  "C:\Windows\system32\28463\BMWS.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:3876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 1088
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2032
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\BMWS.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3876 -ip 3876
1⤵
PID:3208

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\@58BF.tmp

Filesize
4KB

MD5
25530555085337eb644b061f239aa9d4

SHA1
8d91e099aba5439d4bfa8bce464c94e3e1acf620

SHA256
3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325

SHA512
b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a

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

Filesize
395KB

MD5
d63cc8679a63448db1c64252e14e4ab5

SHA1
10b3a9ac4bc16e8ac1cd05e50b4d540fa3ef223e

SHA256
29b3646a556879a4a48e4f2f81e09179c34ac2051ed3e4f4c28e293092470d3d

SHA512
cb1911e1a77fb9be560aa4fd8bbef65e181b6d4438d65657501dbcd8dbf488ba01738a7222f35f8d4317e8df8c6f307d9e3623d6e3e45753e138b80fb68ff768

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

Filesize
518B

MD5
65bcae22a7a7c225431a9a86a69eb04a

SHA1
8f0b8f1a2d5400c4bee8f9840efa8aef89712ecc

SHA256
7d7bfe609aae4dd64b3416da110babcdbf400fe48d23e36ff2d33c3e6b29fdc9

SHA512
50595c6923c49253f07a9068890f683bf8acede8905ca3219f55353505f09599aa088b5dab83521bdc433ba6037534e3b2769822dfac2204ce542d1efc8a5411

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

Filesize
8KB

MD5
81e20f4361cf8f5a57812871c24d945e

SHA1
5d7877d6959ab26599b05795a71633f00c37a3da

SHA256
e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d

SHA512
69b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818

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

Filesize
5KB

MD5
e9fbdcc2f5fb657fa519b3f5c69fc52d

SHA1
c49cca77b46a59d620711de7564d43e5dafcd2b5

SHA256
cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4

SHA512
913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1

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

Filesize
473KB

MD5
97d8ad45f48b4b28a93aab94699b7168

SHA1
8b69b7fd7c008b95d12386f6da415097e72151de

SHA256
661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331

SHA512
3351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a

Download Submit
memory/3876-23-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/3876-27-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads