ardamax | 34196a6df371c12a3a04fe2810a58444e01d32ded49be8e218f0a7e553f349df

General

Target

fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe
Size

1.2MB
MD5

fa1fa5ed769aea4d838b3b91940d6e77
SHA1

1354083d38bf9d32fab77d86383e1b02c1597332
SHA256

34196a6df371c12a3a04fe2810a58444e01d32ded49be8e218f0a7e553f349df
SHA512

2c4b0349b3f280afda13109d23dced1abaff525f46ef7fd5d968a31b670a322fcf49edd7fcf94e33d16fde4c345d207708b56ea00e47125b7bd955c69321a7be
SSDEEP

24576:9hxKPQ7KnHjVBNoJC/jvWS0jJxU30snIbdPp3jIQ1Wo9BM8f9fftOAbZ:9nKPvHBB+0WSalBdxZ19BM+9fftOAV

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/0x000700000002345a-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4756	YGNT.exe

Loads dropped DLL 4 IoCs

pid	Process
4112	fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe
4756	YGNT.exe
4756	YGNT.exe
4756	YGNT.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\YGNT Agent = "C:\\Windows\\SysWOW64\\28463\\YGNT.exe"	YGNT.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\AKV.exe	fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	YGNT.exe
File created	C:\Windows\SysWOW64\28463\YGNT.001	fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\YGNT.006	fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\YGNT.007	fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\YGNT.exe	fa1fa5ed769aea4d838b3b91940d6e77_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 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	fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YGNT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4756	YGNT.exe
Token: SeIncBasePriorityPrivilege	4756	YGNT.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4756	YGNT.exe
4756	YGNT.exe
4756	YGNT.exe
4756	YGNT.exe
4756	YGNT.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 4756	4112	fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe	82
PID 4112 wrote to memory of 4756	4112	fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe	82
PID 4112 wrote to memory of 4756	4112	fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\fa1fa5ed769aea4d838b3b91940d6e77_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa1fa5ed769aea4d838b3b91940d6e77_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:4112
- C:\Windows\SysWOW64\28463\YGNT.exe
  "C:\Windows\system32\28463\YGNT.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:4756

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\@9952.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

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

Filesize
395KB

MD5
b8fa30233794772b8b76b4b1d91c7321

SHA1
0cf9561be2528944285e536f41d502be24c3aa87

SHA256
14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

SHA512
10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

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

Filesize
524B

MD5
970a58794f1ed3dc7ada275fa13ef480

SHA1
dbb01d05e647a2ea225d6ea53d40075521742f40

SHA256
a2afa764907075e4cdab42b4e4d7d2b60ccae2ace9297bcc4b9aa1dd2206c29b

SHA512
f3c7dfe7360691c38636f1649f21d52289b856b88504043bd74f30ead7f2307f208a09231cf52a4d18c216e8332d6be9203dd8b9f5e69394afc0c3e8f8c5d268

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/4756-24-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download
memory/4756-28-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads