ardamax | ddcc8495437d4129f23da5ab8e1c2e71c541c0129ff9bcbe9187ee702a78f07d

General

Target

9ef3e496f6abd3058ee9f8ac16a8737b_JaffaCakes118.exe
Size

1.3MB
MD5

9ef3e496f6abd3058ee9f8ac16a8737b
SHA1

0810e81e32fd72175c82b2ae6f6ad00a9203384e
SHA256

ddcc8495437d4129f23da5ab8e1c2e71c541c0129ff9bcbe9187ee702a78f07d
SHA512

07dda4dd67bca7060cecfe7d148d82080b417ef102affebb3f6656db9a277d10c5911ad9028a0dc8c70c34c0d2b2ff15a3998622b60311d71c08f9aa5ef0880e
SSDEEP

12288:nOK6WOziUGmmSch+/DM8i7XiDHC5smqYxJkqDqYfzA0SFUj1SS5mzLhYJvFuMtMI:YZi7rr9NgIv8sUyj0W+Aff/1V

Score

10^/10

ardamax discovery keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023446-26.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	9ef3e496f6abd3058ee9f8ac16a8737b_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	ZvuWE.exe.exe

Executes dropped EXE 2 IoCs

pid	Process
824	ZvuWE.exe.exe
4616	VKIS.exe

Loads dropped DLL 4 IoCs

pid	Process
824	ZvuWE.exe.exe
4616	VKIS.exe
4616	VKIS.exe
4616	VKIS.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\VKIS Agent = "C:\\Windows\\SysWOW64\\28463\\VKIS.exe"	VKIS.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\28463\VKIS.006	ZvuWE.exe.exe
File created	C:\Windows\SysWOW64\28463\VKIS.007	ZvuWE.exe.exe
File created	C:\Windows\SysWOW64\28463\VKIS.exe	ZvuWE.exe.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	ZvuWE.exe.exe
File opened for modification	C:\Windows\SysWOW64\28463	VKIS.exe
File created	C:\Windows\SysWOW64\28463\VKIS.001	ZvuWE.exe.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	ZvuWE.exe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VKIS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4616	VKIS.exe
Token: SeIncBasePriorityPrivilege	4616	VKIS.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4616	VKIS.exe
4616	VKIS.exe
4616	VKIS.exe
4616	VKIS.exe
4616	VKIS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 824	1524	9ef3e496f6abd3058ee9f8ac16a8737b_JaffaCakes118.exe	84
PID 1524 wrote to memory of 824	1524	9ef3e496f6abd3058ee9f8ac16a8737b_JaffaCakes118.exe	84
PID 1524 wrote to memory of 824	1524	9ef3e496f6abd3058ee9f8ac16a8737b_JaffaCakes118.exe	84
PID 824 wrote to memory of 4616	824	ZvuWE.exe.exe	87
PID 824 wrote to memory of 4616	824	ZvuWE.exe.exe	87
PID 824 wrote to memory of 4616	824	ZvuWE.exe.exe	87

C:\Users\Admin\AppData\Local\Temp\9ef3e496f6abd3058ee9f8ac16a8737b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9ef3e496f6abd3058ee9f8ac16a8737b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ZvuWE.exe.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ZvuWE.exe.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Windows\SysWOW64\28463\VKIS.exe
    "C:\Windows\system32\28463\VKIS.exe"
    3⤵
    - 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:4616

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\@8CAF.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ZvuWE.exe.exe

Filesize
509KB

MD5
eee8e84fe7918216e2da282ef5971596

SHA1
523eff84c26d89e81224fffccb1e365b7b7aea9a

SHA256
c265804daa01a239893f9126752d8b06c1e1c5f16b004bfb31d88d7fe13a6941

SHA512
a42cce2aece0f034939c47cb90bf7b27bd2867974933e1d53a09d1e683160b27548e1ed8f89cf24c29a080f2627c008a72ffa56605f8f8e229c641b23a33f65d

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

Filesize
395KB

MD5
b8fa30233794772b8b76b4b1d91c7321

SHA1
0cf9561be2528944285e536f41d502be24c3aa87

SHA256
14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

SHA512
10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

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

Filesize
314B

MD5
763c0c0f8b67d10c8d96a9eda7a59277

SHA1
8761fef2d60398633564f451802b552fc3665589

SHA256
7c247c4b7bc9671071a1af703f95de95597753723e9fbdd91014bfa266630931

SHA512
4b82cb74c7040bd569e11f7bbf3898339541834d92be0d0a380df9dc7cc0dbf5965c4e44ffab8259829bf65fc7d4ea52628cc99556cde1a78357e49efbd3fb7f

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/1524-22-0x00007FFC19250000-0x00007FFC19BF1000-memory.dmp

Filesize
9.6MB

Download
memory/1524-0-0x00007FFC19505000-0x00007FFC19506000-memory.dmp

Filesize
4KB

Download
memory/1524-4-0x00007FFC19250000-0x00007FFC19BF1000-memory.dmp

Filesize
9.6MB

Download
memory/1524-2-0x000000001B550000-0x000000001B5F6000-memory.dmp

Filesize
664KB

Download
memory/1524-1-0x00007FFC19250000-0x00007FFC19BF1000-memory.dmp

Filesize
9.6MB

Download
memory/4616-37-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/4616-41-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads