ardamax | 8b4ed262efa19f8b56abde205b1039e3f772093a340a6a6957fb11d970044ca8

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 01:00

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General

Target
6d855db8cedf0f404b3aac1d3eaeb8cf_JaffaCakes118.exe
Size 682KB
Sample240725-bc434syann
SHA256 8b4ed262efa19f8b56abde205b1039e3f772093a340a6a6957fb11d970044ca8
MD5 6d855db8cedf0f404b3aac1d3eaeb8cf
SHA1 8db3a2599cbd77db162e7ab29e473fb9610907c6
SHA512 152ae2a56411822dcdc549cd2ce9a43bc13d97773d518ff35d05bfac92fbe0a33158c8b97f221039226b11ff7067fc20a53d5ba4b86924c6378b71beee50f7ca
SSDEEP 12288:IUz2mZnbPeI99Ejik9rX3T5RC2ytdihgNDmpEENbsz0hts7vY24sXn4ji:bzvpbGI9aX3T5RC2ytdRNmOiozyO7v7b
MD5 SHA1 SHA512 SSDEEP

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/0x00070000000234bb-25.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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	sxeF88B.tmp

Executes dropped EXE 2 IoCs

pid	Process
4984	sxeF88B.tmp
4108	system32TTKD.exe

Loads dropped DLL 6 IoCs

pid	Process
756	6d855db8cedf0f404b3aac1d3eaeb8cf_JaffaCakes118.exe
756	6d855db8cedf0f404b3aac1d3eaeb8cf_JaffaCakes118.exe
4984	sxeF88B.tmp
4108	system32TTKD.exe
4108	system32TTKD.exe
4108	system32TTKD.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\system32TTKD Agent = "C:\\Windows\\system32TTKD.exe"	system32TTKD.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 Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\system32TTKD.001	sxeF88B.tmp
File created	C:\Windows\system32TTKD.006	sxeF88B.tmp
File created	C:\Windows\system32TTKD.007	sxeF88B.tmp
File created	C:\Windows\system32TTKD.exe	sxeF88B.tmp
File created	C:\Windows\system32AKV.exe	sxeF88B.tmp

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	6d855db8cedf0f404b3aac1d3eaeb8cf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sxeF88B.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32TTKD.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4108	system32TTKD.exe
Token: SeIncBasePriorityPrivilege	4108	system32TTKD.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4108	system32TTKD.exe
4108	system32TTKD.exe
4108	system32TTKD.exe
4108	system32TTKD.exe
4108	system32TTKD.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 4984	756	6d855db8cedf0f404b3aac1d3eaeb8cf_JaffaCakes118.exe	83
PID 756 wrote to memory of 4984	756	6d855db8cedf0f404b3aac1d3eaeb8cf_JaffaCakes118.exe	83
PID 756 wrote to memory of 4984	756	6d855db8cedf0f404b3aac1d3eaeb8cf_JaffaCakes118.exe	83
PID 4984 wrote to memory of 4108	4984	sxeF88B.tmp	85
PID 4984 wrote to memory of 4108	4984	sxeF88B.tmp	85
PID 4984 wrote to memory of 4108	4984	sxeF88B.tmp	85

C:\Users\Admin\AppData\Local\Temp\6d855db8cedf0f404b3aac1d3eaeb8cf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6d855db8cedf0f404b3aac1d3eaeb8cf_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:756
- C:\Users\Admin\AppData\Local\Temp\sxeF88B.tmp
  "C:\Users\Admin\AppData\Local\Temp\sxeF88B.tmp"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4984
- - C:\Windows\system32TTKD.exe
    "C:\Windows\system32TTKD.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

@F8C7.tmp

Path C:\Users\Admin\AppData\Local\Temp\@F8C7.tmp
Size 4KB
SHA256 e7bc62fb964bacd8e3189f22a8d64a27bddeb90007a38da3d3e6b58f6d8a2dba
MD5 b7ea0bc4bb833ab77dce179f16039c14
SHA1 b05cc205aa6ffc60a5316c1d5d3831def5a60c20
SHA512 5a4ad9b469c7502a930158ca2db814b0b84880b2658a6a6dcca9fee60e6c8dc5f8a3c8d09e280a026d63e3d48b5291074827d16f3e680ce87645d8aad996a652
MD5 SHA1 SHA512

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sxeF879.tmp

Path C:\Users\Admin\AppData\Local\Temp\sxeF879.tmp
Size 15KB
SHA256 b018bf9e9f8b6d945e6a2a25984970634884afabc580af2b4e855730520d5d76
MD5 bd815b61f9948f93aface4033fbb4423
SHA1 b5391484009b39053fc8b1bba63d444969bafcfa
SHA512 a363abe97b5a44e5d36af859e8d484daffe1d8e321c87969a75d1bfaa4288a5e6be1922a02c6d72937c84e81a79a1c7f6c9f2a44a995cac3f993ed5608afcd71
SSDEEP 192:Gi7Nr+Dlkv5oGxoSfZ7TAapVJZOO0i76HnGlj+fzARyUeDA2fLBWR:ByDlqZgsPwy+fztUmT9
MD5 SHA1 SHA512 SSDEEP

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sxeF88B.tmp

Path C:\Users\Admin\AppData\Local\Temp\sxeF88B.tmp
Size 740KB
SHA256 c7d8268a8cccccd09665aaef23db71dbf8c3accaa92954847b83992a2147e687
MD5 c61cd043b2353595e0497a1d7916126a
SHA1 2644ad6dd86e78835947438acf19bd0ebe732d15
SHA512 f4206cffe12b38d550f44bea5ebee10d4b29c6caf71fb1711a47e8b9fcf8c5ef5ec7f955114a33f761c7f1090fe782f01099e7efac35cc82009b609e5382d064
SSDEEP 12288:RLY2RYtA99hjIod3ltlC2YvJihAn7spjGENfsxQ/ts7DWE4qBn4xm:eiYtA9Qod3ltlC2YvJv7sFGiExWO7Dzr
MD5 SHA1 SHA512 SSDEEP

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system32TTKD.001

Path C:\Windows\system32TTKD.001
Size 400B
SHA256 c3fdb4fa5b54480cb214a683b7a8118a79951db6c4ed8408e9e2d768cbd28bbc
MD5 20264c0df8eb2d69e6016fb791e3f146
SHA1 37fff22f166111d44fb9b8e160d78dc357b262b0
SHA512 83d3c51683de8f09489a21446f5171009c41a7b0d89edf0dbe63487b25ff7b6b139aa3c0f64a45033547988d2da6bd75fd1508f6e99b25d387c37458edd5d74d
MD5 SHA1 SHA512

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system32TTKD.006

Path C:\Windows\system32TTKD.006
Size 7KB
SHA256 59973b04dd9bec56a7ff9d898fda25e9214ee7652f2687ba409b435ae07e554b
MD5 87ccf7eb039971590aac6f254b2c788a
SHA1 3095496ffd364b32cdbe63ba4dd2f477fd848515
SHA512 d5f9f7855725021522fae819a855d3d2d2cf028b0ea3ac191ad02039cbb688af42b191a1ec4f1868365e2f7de36acca2b7ba3bee0a7b8447820c4521e942d8d2
SSDEEP 96:6GJh3mtCZqxEZQLXyQ/0iXXCYTJ+cwMswHO1yWCj0GMRZQJHY2mIXT6pD20Hdx:J3moM5iQ/DXyY1chCCRZS4yD6pq0Hdx
MD5 SHA1 SHA512 SSDEEP

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system32TTKD.007

Path C:\Windows\system32TTKD.007
Size 5KB
SHA256 982e2e47e8af4384a6b71937fb4e678a61fbc354f6816204e14a01d325529a98
MD5 81938df0dbfee60828e9ce953bdf62e6
SHA1 b1182a051011e901c17eab2e28727bec8db475fb
SHA512 64ebe41c17f55f725aeb946b1a7843ad27062490a3e9cc49df7ecb3e5e408444c766236642986cbe499e876e91d1d95d4aafe7d044fda3f5370bbe5f71532143
SSDEEP 48:6gklbn/EoW0EE/KD4tJ2z5N03edAE/fIECi1cBaVM+kHR2q:6gSIDie03eX/AECiRQHR2q
MD5 SHA1 SHA512 SSDEEP

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system32TTKD.exe

Path C:\Windows\system32TTKD.exe
Size 471KB
SHA256 41ecb7a6e3e9c32ce1bbfdff8fe381f6c21fc1f601f7e9be9fcfa2678d2420a0
MD5 912c55621b4c3f0fb2daef5b4f4f5f4c
SHA1 735701c75569b7563950508afc8948b52e7bf4b2
SHA512 65a08579e959d4beebb5ad026cab451d381e147621be8a0707baca748eaee22050c020e3d54f312376eaf6f20a1fc3713e5e07cc9d4ee7f32b7c17dc15c80d05
SSDEEP 6144:D75fg4wTOvV7Q2eQMkjdebsHM+IzFWXUJwevxgS/WVPN+s9aAb:DCbTOvV3defZzFWgub
MD5 SHA1 SHA512 SSDEEP

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memory/4108-35-0x0000000000A70000-0x0000000000A71000-memory.dmp

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memory/4108-41-0x0000000000A70000-0x0000000000A71000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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