ardamax | b420570c3c9666d83a2ca09d06ae5263079428a261f9e92bced8ae2c5c1f8b2b

General

Target
6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe
Size 1.1MB
Sample240724-jrn97sydja
SHA256 b420570c3c9666d83a2ca09d06ae5263079428a261f9e92bced8ae2c5c1f8b2b
MD5 6ad1fc269ba5567474ecd29e7baa1bad
SHA1 1029e577534dc7ee83c83dc3d25ecc8cb60aa7b3
SHA512 49a0c840a8cb0e59375f17fd868cfc335525101582ceaf75cac48f6ff01b96e827eaa6945e39be866da3b5f1f8741941b6f54df0154ac396f126dee609bea1a4
SSDEEP 24576:9ZxTe+kRCDk521OD9iYsPmBkhdKvdb1qGc+BXBxA2hFvvcs8ZU8l:9XTECDkg0DC+mhUlb0GlBRxA2hFvvoO8
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/0x0007000000023454-8.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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4940	EKJ.exe

Loads dropped DLL 1 IoCs

pid	Process
4940	EKJ.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\EKJ Start = "C:\\Windows\\SysWOW64\\AAMRUI\\EKJ.exe"	EKJ.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\AAMRUI\EKJ.004	6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\AAMRUI\EKJ.001	6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\AAMRUI\EKJ.002	6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\AAMRUI\AKV.exe	6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\AAMRUI\EKJ.exe	6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\AAMRUI\	EKJ.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	EKJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4940	EKJ.exe
Token: SeIncBasePriorityPrivilege	4940	EKJ.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4940	EKJ.exe
4940	EKJ.exe
4940	EKJ.exe
4940	EKJ.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 4940	4568	6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe	86
PID 4568 wrote to memory of 4940	4568	6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe	86
PID 4568 wrote to memory of 4940	4568	6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6ad1fc269ba5567474ecd29e7baa1bad_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\SysWOW64\AAMRUI\EKJ.exe
  "C:\Windows\system32\AAMRUI\EKJ.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:4940

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

AKV.exe

Path C:\Windows\SysWOW64\AAMRUI\AKV.exe
Size 456KB
SHA256 4f6825548b32329c3360ed9abb7c0a6809a2c2291cf0bcaac511a9fa32a6336e
MD5 1f29b1075a91b3da0ccc0b9c49eece56
SHA1 048e675f087181035aedece9e7b11d065c6355cc
SHA512 7e152caf055f57f599ecc1e3a404b540b721b3315d2ba16bff6eb21f03edeb3a06ae185621e3139293612d94210f500f098bd281489ca7f336efd8b5284ee060
SSDEEP 6144:90B40/LoK9iOpVwcLxMkpTQwEep1xAqSkv9K4/6VDM0nam41lqV+k1t:OBz/EopVwcFMqQ5OKlkv94V+kP
MD5 SHA1 SHA512 SSDEEP

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EKJ.001

Path C:\Windows\SysWOW64\AAMRUI\EKJ.001
Size 61KB
SHA256 dc0eaf9d62f0e40b6522d28b2e06b39ff619f9086ea7aa45fd40396a8eb61aa1
MD5 31c866d8e4448c28ae63660a0521cd92
SHA1 0e4dcb44e3c8589688b8eacdd8cc463a920baab9
SHA512 1076da7f8137a90b5d3bbbbe2b24fd9774de6adbcdfd41fd55ae90c70b9eb4bbf441732689ad25e5b3048987bfb1d63ba59d5831a04c6d84cb05bbfd2d32f839
SSDEEP 768:Fo9fmwR3lyicJ7EYI4RLzpZbX2LEdTTESWkPvzckKlrJFiIn45DfJtDa:2hrcPIaF1X24JakPvzup2b5DB
MD5 SHA1 SHA512 SSDEEP

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EKJ.002

Path C:\Windows\SysWOW64\AAMRUI\EKJ.002
Size 43KB
SHA256 1ac0964d97b02204f4d4ae79cd5244342f1a1798f5846e9dd7f3448d4177a009
MD5 093e599a1281e943ce1592f61d9591af
SHA1 6896810fe9b7efe4f5ae68bf280fec637e97adf5
SHA512 64cb58fbf6295d15d9ee6a8a7a325e7673af7ee02e4ece8da5a95257f666566a425b348b802b78ac82e7868ba7923f85255c2c31e548618afa9706c1f88d34dc
SSDEEP 768:tJzRGjVrli1HP6qsPH7dR0wvwjoe01yym3wMRz8J:tJmAHwPH7dR0jIN8Rz
MD5 SHA1 SHA512 SSDEEP

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EKJ.004

Path C:\Windows\SysWOW64\AAMRUI\EKJ.004
Size 1KB
SHA256 2dfc44b673f7e5fb0ad879b06a251d851a971abfd80ea9ad2600d03688bf297b
MD5 f630ad324032b17b956bda8e9aadbfd7
SHA1 a1c92fe699e470fbaa5fde32306da9fd8d3243e9
SHA512 98edbc98d190fbf1cdfb82b6f26987cf42c1b2dfe578fb8ffb2265dfe8a90daab2a9ff5a996e683fba0165c26ef928e987e38f174a1168dc651cfbd7b5eb0e97
MD5 SHA1 SHA512

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EKJ.exe

Path C:\Windows\SysWOW64\AAMRUI\EKJ.exe
Size 1.5MB
SHA256 42b33dd905c5668c2518a6a7d407fb10c303cfedeaefcd7b6e4c7cc1b891c73b
MD5 0aaffc12ef1b416b9276bdc3fdec9dff
SHA1 9f38d7cf6241d867da58f89db9ff26544314b938
SHA512 bbde0986b298c6172e7c8e3f938db9425f54cca097e280736e1ba289afd06a0b86f7cbc91f6d46458bc8e75069c12cda1cf808acf3b6c773b0661d081136ee7c
SSDEEP 24576:8HcNCtrnCeZK8FUnIHh1q6DHxSPqVSCoTxAnKJxdBTrRpOZl3Z2sfvYBarT:8HcNCtrnCkHHhw67U5HNAnOT1pOZtZ2g
MD5 SHA1 SHA512 SSDEEP

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memory/4940-17-0x0000000000730000-0x0000000000731000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads