ardamax | f33df27acb75b279b908464410a8c62909b9a816b0f3ff324eef48f53cd44b1d

General

Target

988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe
Size

571KB
MD5

988e5b36a467ca8c19aaf8bc40ac8662
SHA1

2a4f26a93d53954863d7c96510ddffe341a99287
SHA256

f33df27acb75b279b908464410a8c62909b9a816b0f3ff324eef48f53cd44b1d
SHA512

4853f5071d2eebf2eb75260fe060e3598940fb5362ce3d71e25641d816d082b7e639b9eb108a1d46ca68fe898c82240d304b4519bcfbff263dd53ca5967b3fb2
SSDEEP

12288:cRXehTMj0o8CzW0XB89Y1LFZ8KdGutxV1cRnx65yt58KRpkoIaXemr:Dmj0o8YvBaYPZ8KUuPfU8KRpBIaXPr

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/0x0007000000023ca6-12.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4552	OPSA.exe
456	CenKoxp_Maden.exe

Loads dropped DLL 7 IoCs

pid	Process
2508	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe
4552	OPSA.exe
456	CenKoxp_Maden.exe
4552	OPSA.exe
4552	OPSA.exe
456	CenKoxp_Maden.exe
456	CenKoxp_Maden.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\OPSA Agent = "C:\\Windows\\SysWOW64\\Sys32\\OPSA.exe"	OPSA.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\Sys32\OPSA.006	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\OPSA.007	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\OPSA.exe	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Sys32\AKV.exe	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Sys32	OPSA.exe
File created	C:\Windows\SysWOW64\Sys32\OPSA.001	988e5b36a467ca8c19aaf8bc40ac8662_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	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OPSA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CenKoxp_Maden.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4552	OPSA.exe
Token: SeIncBasePriorityPrivilege	4552	OPSA.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
456	CenKoxp_Maden.exe
4552	OPSA.exe
4552	OPSA.exe
4552	OPSA.exe
4552	OPSA.exe
4552	OPSA.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 4552	2508	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe	82
PID 2508 wrote to memory of 4552	2508	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe	82
PID 2508 wrote to memory of 4552	2508	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe	82
PID 2508 wrote to memory of 456	2508	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe	83
PID 2508 wrote to memory of 456	2508	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe	83
PID 2508 wrote to memory of 456	2508	988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\988e5b36a467ca8c19aaf8bc40ac8662_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\988e5b36a467ca8c19aaf8bc40ac8662_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:2508
- C:\Windows\SysWOW64\Sys32\OPSA.exe
  "C:\Windows\system32\Sys32\OPSA.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:4552
- C:\Users\Admin\AppData\Local\Temp\CenKoxp_Maden.exe
  "C:\Users\Admin\AppData\Local\Temp\CenKoxp_Maden.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:456

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\@A1AE.tmp

Filesize
4KB

MD5
33303ca8abef9221cb410b8a232e9fe4

SHA1
0cdfc25dbf0e9ad7d4585cd9037dc2e6604be00c

SHA256
5110301dee966f0f26307ab1b430279d1e4999c2c4a0ea924ff32f1a9ded869a

SHA512
da29821045773ba776def985966b62e09e69bb5bf1786b16c2fff6feb68a03b9e22c5f7d081e3dd58d1785cd7ac64736497c043b7cf6c7149c3a54f8ef111800

Download Submit
C:\Users\Admin\AppData\Local\Temp\CenKoxp_Maden.exe

Filesize
336KB

MD5
ac505fa6a415f110a5c406ebfb15bf1b

SHA1
83b70d7b91c7f415f86fa033aacdef70ae9aea4a

SHA256
2086dbed8463236d87e946a66f4399b0990d1b35131ee7502618a1a81a52a45f

SHA512
b0eb758718a19343624766786d5297a94026d0e2c2cc291277ab6b03ba2163ca9b31adc3692b166d2c05b8d41ddbc07280e4d82845499d8236f0e117ad476093

Download Submit
C:\Windows\SysWOW64\Sys32\AKV.exe

Filesize
391KB

MD5
869461e168a87283a8782e70f5d5a3a8

SHA1
ab189b5f2682ae66162226b4f646b1e80486c653

SHA256
992cb5ea845b2d24c02f4e40873bf4ebd7b58b57ae2e001907228af4879e575b

SHA512
e4e77e07eb0ef2adb6d5ebdb9629f4632c417cf3d1a22e4c414b806bfbd259df13f6c88265f9346ed2b22bf67eb3d63924d86767c8508be4abdc9067f15a82ae

Download Submit
C:\Windows\SysWOW64\Sys32\OPSA.001

Filesize
450B

MD5
9213b5468886e670fd4d9760113c05e6

SHA1
9fcd177af2935971dc6a1f6c58ea9b33dfcd1560

SHA256
5d614108c81afa71ab856a91ae58a9fc36e16c709c3e546576fbe4e44508ef47

SHA512
f3e3d1d1c5c077954f9aa398ff8a4dd64f9564b9b3d95e4113fa8f3698695125938bc6000d475bba85312f469f6ec3fa6e218e4a204f4014aad30396ba558cd3

Download Submit
C:\Windows\SysWOW64\Sys32\OPSA.006

Filesize
7KB

MD5
928cc65dc793834c709a054ca57c19c8

SHA1
a1e5d8407199c1bd6a4b274044de640fe0d9e99b

SHA256
e3473d81a02ed30e4236591384136f41f17b6a4aae24b5468789644ccd4bf192

SHA512
f7c8f7a75c4f8a418630e2ac15676740a902449d9a3c4baf3184409f8701c9caa3e82304d141362d95503f1af6b693eed7b77f690d92ca0162f7ea3ecbc80fdf

Download Submit
C:\Windows\SysWOW64\Sys32\OPSA.007

Filesize
5KB

MD5
3e1f5d5a06cf97b0495b8d129fbe02e4

SHA1
b0de258a813f5edde85004f6865b6ed91f6d6f8f

SHA256
f49448fc7c567e64eaeb9cc4dbd3c8021a82b5d9df0a622a439f7b42dc2f26d7

SHA512
b0e0b81cb5776d298e96346aa61027c9799a47191c94de50be2209c32747774959d002ddeb98fd15556ee893b0d7bd1f0c8a901469dce4e3acf94e2c4c3e2bfd

Download Submit
C:\Windows\SysWOW64\Sys32\OPSA.exe

Filesize
476KB

MD5
ef52b540cb404d908338e9cbf7cff283

SHA1
778765e1736c0a197685978c3fee7a44e7bde419

SHA256
39d8bdb975fbfcbcec8fe63be4e9fe6ce39ae5d23a005118aeffa07b17a3f815

SHA512
596b77bf5b15455c326a5a2efd66bc69685eb625e3e211ea0341ad4d8920ada7618a7107e42f2c0963fe6c2d92f2acf47b641ef33071a7c42004e5874d5219a6

Download Submit
memory/4552-34-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/4552-43-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads