ardamax | ab8f334d3e7167d5e2eab34072db4ffc93ea56bc536ce31ed0a9a9484ff41622

General

Target

dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe
Size

1.4MB
MD5

dabc537658c490f3bec6af67daec0092
SHA1

a08e90f3157980d8a2f2daeb8cf9a88904835c8a
SHA256

ab8f334d3e7167d5e2eab34072db4ffc93ea56bc536ce31ed0a9a9484ff41622
SHA512

a3b815d0c500d56e4ba759794d1967f3d44153ef5e7925c506ae8d2f013be8eee08ccb26884cd0dd1fd28964ed1774ab33970fbe1f5dd5fcaeab86deacdd864d
SSDEEP

24576:HbPTzpzDfr4exd/N3nXqH3tne0sMTfys7d+6jf4p71wJ44ZJl4MPWzovDnnzS:H7Ttzn42d/N3X/037M6cl24aJlHOW

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/0x0007000000023c68-7.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	RRB.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	RRB.exe

Loads dropped DLL 1 IoCs

pid	Process
2736	RRB.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\RRB Start = "C:\\Windows\\SysWOW64\\AHLCIX\\RRB.exe"	RRB.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\AHLCIX\RRB.exe	dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\AHLCIX\	RRB.exe
File created	C:\Windows\SysWOW64\AHLCIX\RRB.004	dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\AHLCIX\RRB.001	dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\AHLCIX\RRB.002	dabc537658c490f3bec6af67daec0092_JaffaCakes118.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	dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RRB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	2736	RRB.exe
Token: SeIncBasePriorityPrivilege	2736	RRB.exe
Token: SeIncBasePriorityPrivilege	2736	RRB.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2736	RRB.exe
2736	RRB.exe
2736	RRB.exe
2736	RRB.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 2736	1144	dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe	83
PID 1144 wrote to memory of 2736	1144	dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe	83
PID 1144 wrote to memory of 2736	1144	dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe	83
PID 2736 wrote to memory of 1748	2736	RRB.exe	100
PID 2736 wrote to memory of 1748	2736	RRB.exe	100
PID 2736 wrote to memory of 1748	2736	RRB.exe	100

C:\Users\Admin\AppData\Local\Temp\dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dabc537658c490f3bec6af67daec0092_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1144
- C:\Windows\SysWOW64\AHLCIX\RRB.exe
  "C:\Windows\system32\AHLCIX\RRB.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:2736
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\AHLCIX\RRB.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1748

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\AHLCIX\RRB.001

Filesize
61KB

MD5
8d8041fe45149cc7383c52f719c4d1d6

SHA1
ae81719657952ad493161bcf0788fb45357dc03e

SHA256
cd6a210bcc19fc0f301fe3fb0cc58318d275df9666057877f7dc56ff0c134531

SHA512
0eb1168a4596b4ca5fbe864e16e5ec3cb8fc7cd6a6407ee095a34d7d5dcaa4ca270022b00f1ece2ee9048b6fd29cfdad9a0900dbf5a75d7a69d09bfa73c23983

Download Submit
C:\Windows\SysWOW64\AHLCIX\RRB.002

Filesize
43KB

MD5
d977f26d7f7ffcb0f002813b55ff032d

SHA1
7e17b642dc1286908c18caba6fedb890de8fcc86

SHA256
2ce6c66843f0d0f156ae523f25d2cf4c9886fcae7b4f69deefbde4bc5328bf29

SHA512
e291f6acf5df88c52eb9232d55eb43fc08cbd423b7ae46148f710de909db49c04fc1d64e05b8e307ddd880134c525188109b94182ca99ea5934b66b9316e9e25

Download Submit
C:\Windows\SysWOW64\AHLCIX\RRB.004

Filesize
636B

MD5
9b69baa37c6655a8317033092b598800

SHA1
5974b98d630891344ca0844fe09f832d80fd8bfc

SHA256
8012a81c1316282e07e226bf1d2ea49d878ae2cfc75b85f30150c8cd3b6c14fc

SHA512
c88661dd19869a77eb46b9e60f896a7a9f7280148b8d1c0e96f9448352884e7fab8231f6eb8259f6f3e6309bc153d578697990f7f1e288e3726c7e007a5e5b08

Download Submit
C:\Windows\SysWOW64\AHLCIX\RRB.exe

Filesize
1.4MB

MD5
27a49221ba75a90934342bbe70f6c954

SHA1
751e322d6f7e46c132f0f97c56d60344248f1959

SHA256
946611f5091452aa46310d3ba8a885e808617b8ae9c57a468f7fe3abda4b052d

SHA512
9476f49d2e3c10f3e5cd91313e03405f944bc9887fd65e6c2236caab3a42e2c9a5392d7c34f6c5787a7dc8c3cfd43a3a90a6e052176aa60a43da0327d7ff78d6

Download Submit
memory/2736-15-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/2736-17-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads