ardamax | ae805331e321bcd06072c7a247a43d01471d5defcb4b22b761aa9beb8be4b7f0

General

Target

JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe
Size

503KB
MD5

929f5fff507cae7a0113b9b541458919
SHA1

072a6d0c56832b4bdaa832b70bfd47bc5cc3aefa
SHA256

ae805331e321bcd06072c7a247a43d01471d5defcb4b22b761aa9beb8be4b7f0
SHA512

ca17033b36f22a94bcf73e122516f3c020b03b7b25cc081334078aac0e0db30958fc3c3b352a16bf5da6608c8aaaf6f00d8a4ea131e791c098c148b3cd87bb71
SSDEEP

12288:yneV4LgGw2Hsb2La4ckJssVr8BnD9HQ0PuYpi6o:PV4h7MOHcIdx8Zq6o

Score

10^/10

ardamax 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/0x000a000000023b80-12.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-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation	JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe

Executes dropped EXE 1 IoCs

pid	Process
2532	TXBB.exe

Loads dropped DLL 4 IoCs

pid	Process
2012	JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe
2532	TXBB.exe
2532	TXBB.exe
2532	TXBB.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\TXBB Agent = "C:\\Windows\\SysWOW64\\Sys\\TXBB.exe"	TXBB.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\Sys\AKV.exe	JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe
File opened for modification	C:\Windows\SysWOW64\Sys	TXBB.exe
File created	C:\Windows\SysWOW64\Sys\TXBB.001	JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe
File created	C:\Windows\SysWOW64\Sys\TXBB.006	JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe
File created	C:\Windows\SysWOW64\Sys\TXBB.007	JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe
File created	C:\Windows\SysWOW64\Sys\TXBB.exe	JaffaCakes118_929f5fff507cae7a0113b9b541458919.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	JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXBB.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2532	TXBB.exe
Token: SeIncBasePriorityPrivilege	2532	TXBB.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2532	TXBB.exe
2532	TXBB.exe
2532	TXBB.exe
2532	TXBB.exe
2532	TXBB.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2532	2012	JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe	86
PID 2012 wrote to memory of 2532	2012	JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe	86
PID 2012 wrote to memory of 2532	2012	JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_929f5fff507cae7a0113b9b541458919.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_929f5fff507cae7a0113b9b541458919.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:2012
- C:\Windows\SysWOW64\Sys\TXBB.exe
  "C:\Windows\system32\Sys\TXBB.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:2532

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:\Users\Admin\AppData\Local\Temp\@AF4B.tmp

Filesize
4KB

MD5
ff0ccec859a89e516c12d8538531da83

SHA1
46950d1e2f2690991e2e9196003004073acf46ff

SHA256
a9a136b7c0e9e5edd1596e667375ff0f8bee11e28be7d9267bc1ee135cad0124

SHA512
e2cd9169d73916b20a00ac7aadf0848917964807eae1c75cb2bc03878a8ffa9e10970d0f2c7617c6df0690e0d45f230675b4b82aa9cc865552867838712c0d6e

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

Filesize
390KB

MD5
bd30c9210bf4512a09ad14e2611be7ce

SHA1
b2ec87b8596673696b5a354f38a48bb0d4195949

SHA256
4e097b8cafbe87f638c362fb9bfaa60236c2aab8857accec92ba2f6d62aa69cd

SHA512
6957dc068a570c1b523839be348b71ac905e5f2ba15ba499121854ba1ea0d973a98760471dfc3ef766820913c781df5d7b2c9f109a7f0864260afe1c110671b9

Download Submit
C:\Windows\SysWOW64\Sys\TXBB.001

Filesize
438B

MD5
66b733d04eaed6b7b4135b51d456ea2c

SHA1
672ad80fa799e76532842ffccbe669683dbfb191

SHA256
3e2e7cc87c52cc2a422d0e1a858f0a930eda12ae01186a891df51633a40dcf7e

SHA512
ce129cafe92c31c7bba1c85ef53c97d5d47895805c79d728ed823c0ec28c8d43aa64c1a8a4423700e71126f117bc7b51fd50b2a2f9122a05e11c8b925a8db511

Download Submit
C:\Windows\SysWOW64\Sys\TXBB.006

Filesize
7KB

MD5
cf441326576f2dc52f33a630109026d8

SHA1
bdde913634082b35f9cac6b4d5ac17c7e211a767

SHA256
2fd8ec3785c3c8c7271cea13e7035faef0d8a91e1799e42388ef8ddf90ac3dd7

SHA512
54e7a9f2ddd4ee1e7138515b112384b9a60089333484b2f5d0f73b0c3609f3c63c3f3113824c4fa7a6b2690462536eefab8a5f7b6a64d7d55922ddc94d098926

Download Submit
C:\Windows\SysWOW64\Sys\TXBB.007

Filesize
5KB

MD5
9a822796da34ecdab5338ea850fe8522

SHA1
331c3ba89dfbafb6437e3090924c01a46df5f378

SHA256
d322696c444e52317ebc5149d13269a92f3a66cd115b45adcd36e198e7754baa

SHA512
e048a36bd04bec3a2b1bbce2bc5a36d165439eb4d06089c268b53c15e36321de67be18bf867f7556bb9774ea0cabc102a46e43e10445df5a1c3b881f9a748e8b

Download Submit
C:\Windows\SysWOW64\Sys\TXBB.exe

Filesize
476KB

MD5
a409426df11edfbd0c2fc63f6d753667

SHA1
51cde140ed8b887c5e88337ce14614106230a20b

SHA256
9bfbe286206d5275a2739506a2299415fc74d961d81ea7860c73cbef0f8f1455

SHA512
818d23f0257f071f22297e3a8c7df4d8244b2c85aad4287261daef54ecc61a51386ca9cd4a6b56e5d99e5ff7310744df298ff55cd16a96c1808999ec3ea049d2

Download Submit
memory/2532-23-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/2532-27-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads