ardamax | 063f1aa04ea3f7c57453acb350875e6c858b7a3a9bb2a0458c7883e33b062466

Analysis

max time kernel
142s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2024 18:26

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General

Target

63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe
Size

1.0MB
MD5

63b0b905a12190b3831c38dc25cff6fd
SHA1

9e48f9b03a9dd27f446ca1d907e29828975254e2
SHA256

063f1aa04ea3f7c57453acb350875e6c858b7a3a9bb2a0458c7883e33b062466
SHA512

c0e2237aab88033651ef6ebeb4453ccf948d3501aa613db39f6a5e4065bca3dde19958ebc26606875a4ea6b24411b426d8eaf4095b0db00ece36669cea789cab
SSDEEP

24576:m8VNOKgr/iO+dw0dUzKsl+qtfagLB/FoLwXDJjA:/VNO+YrzB+gbLB/OwTS

Score

10^/10

ardamax defense_evasion discovery evasion keylogger persistence stealer

Malware Config

Signatures

Ardamax
A keylogger first seen in 2013.
keylogger stealer ardamax

Ardamax main executable 1 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\28463\NBAR.exe	family_ardamax

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Decrypted.exeNBAR.exe63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Decrypted.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	NBAR.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

Decrypted.exeNBAR.exe

pid process

4320 Decrypted.exe
4232 NBAR.exe

pid	process
4320	Decrypted.exe
4232	NBAR.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe

Loads dropped DLL 5 IoCs

Processes:

Decrypted.exeNBAR.exeWerFault.exe

pid process

4320 Decrypted.exe
4232 NBAR.exe
4232 NBAR.exe
4232 NBAR.exe
3608 WerFault.exe

pid	process
4320	Decrypted.exe
4232	NBAR.exe
4232	NBAR.exe
4232	NBAR.exe
3608	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

NBAR.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NBAR Agent = "C:\\Windows\\SysWOW64\\28463\\NBAR.exe"	NBAR.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

Processes:

Decrypted.exeNBAR.exe

description	ioc	process
File created	C:\Windows\SysWOW64\28463\NBAR.001	Decrypted.exe
File created	C:\Windows\SysWOW64\28463\NBAR.006	Decrypted.exe
File created	C:\Windows\SysWOW64\28463\NBAR.007	Decrypted.exe
File created	C:\Windows\SysWOW64\28463\NBAR.exe	Decrypted.exe
File opened for modification	C:\Windows\SysWOW64\28463	NBAR.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe

pid process

392 63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3608 4232 WerFault.exe NBAR.exe

pid	process
392	63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe

pid	pid_target	process	target process
3608	4232	WerFault.exe	NBAR.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

Decrypted.exeNBAR.execmd.exe63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Decrypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NBAR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe

pid process

392 63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe
392 63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

NBAR.exe

description pid process

Token: 33 4232 NBAR.exe
Token: SeIncBasePriorityPrivilege 4232 NBAR.exe
Token: SeIncBasePriorityPrivilege 4232 NBAR.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exeNBAR.exe

pid process

392 63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe
4232 NBAR.exe
4232 NBAR.exe
4232 NBAR.exe
4232 NBAR.exe
4232 NBAR.exe

pid	process
392	63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe
392	63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe

description	pid	process
Token: 33	4232	NBAR.exe
Token: SeIncBasePriorityPrivilege	4232	NBAR.exe
Token: SeIncBasePriorityPrivilege	4232	NBAR.exe

pid	process
392	63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe
4232	NBAR.exe
4232	NBAR.exe
4232	NBAR.exe
4232	NBAR.exe
4232	NBAR.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exeDecrypted.exeNBAR.exe

description	pid	process	target process
PID 392 wrote to memory of 4320	392	63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe	Decrypted.exe
PID 392 wrote to memory of 4320	392	63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe	Decrypted.exe
PID 392 wrote to memory of 4320	392	63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe	Decrypted.exe
PID 4320 wrote to memory of 4232	4320	Decrypted.exe	NBAR.exe
PID 4320 wrote to memory of 4232	4320	Decrypted.exe	NBAR.exe
PID 4320 wrote to memory of 4232	4320	Decrypted.exe	NBAR.exe
PID 4232 wrote to memory of 676	4232	NBAR.exe	cmd.exe
PID 4232 wrote to memory of 676	4232	NBAR.exe	cmd.exe
PID 4232 wrote to memory of 676	4232	NBAR.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\63b0b905a12190b3831c38dc25cff6fd_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:392
- C:\Users\Admin\AppData\Local\Temp\Decrypted.exe
  "C:\Users\Admin\AppData\Local\Temp\Decrypted.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:4320
- - C:\Windows\SysWOW64\28463\NBAR.exe
    "C:\Windows\system32\28463\NBAR.exe"
    3⤵
    - 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:4232
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 1072
      4⤵
      Loads dropped DLL
      Program crash
      PID:3608
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\NBAR.exe > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4232 -ip 4232
1⤵
PID:1028

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

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\@9933.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

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

Filesize
271KB

MD5
b0b0c7a0cf3864031c68afd12835a511

SHA1
3abdb0f9926837a1523e25c961554f208a7357a9

SHA256
ca24cb7636c6716796545ac03852e1df4fa5cf5051d81c9ac497bd8d82acec55

SHA512
301b10db8813f454a14751999a5928b4e7dd25ff7720192ac72af462595080945d19cf087076f4a71a014c8a0fef9c9e59dc77e79125be7d70bcd166bbc5bc28

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

Filesize
426B

MD5
8990b813fa9670e31913d5b3315de34f

SHA1
bc5f51fc21ed976ffe33032ef887ee1dc612251b

SHA256
5e5ccf865da35ae326da220b42c400ed2c810d6bb74a03993275f2f2a73b3451

SHA512
201f1e3ccda080c83f48490cae6b88194b609e3d9c7c4a9c380e49387bd9b111202367e04ebff4b5b762d28d5fff7765a45cbc6711c592b4aef9655aeb2eadad

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/392-4-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/392-22-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/392-23-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/392-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/392-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4232-36-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/4232-40-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/4232-42-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download