ardamax | 5229baea0cc6ef10faa54de3fa6688641ac8ccb6273906ec5c0e1436a005d958

General

Target
a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe
Size 501KB
Sample241126-nfbl7aynas
SHA256 5229baea0cc6ef10faa54de3fa6688641ac8ccb6273906ec5c0e1436a005d958
MD5 a19e628b0b6983b11d119bd3f612cce0
SHA1 f52e3720662036fbfd2e1c181d688e1ebaf316df
SHA512 aa57128a8d2d1687bce1b527892fa0f281fa5f96303e254b470c86b173084dee943fc1923e89d8e78eaf1fa7fd0fcdc3d32fd14d1ff9a25ef6af9c613c3de980
SSDEEP 12288:29Ecfo8ivd+L3TT6S19c+7G5ybqmVUeSwEql2PXj9:tCiV+L3TT689cqGK3aqlyZ
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 family
ardamax

Ardamax main executable 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023b8c-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3316	AYXN.exe

Loads dropped DLL 4 IoCs

pid	Process
4592	a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe
3316	AYXN.exe
3316	AYXN.exe
3316	AYXN.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\AYXN Agent = "C:\\Windows\\SysWOW64\\28463\\AYXN.exe"	AYXN.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\AYXN.exe	a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\28463	AYXN.exe
File created	C:\Windows\SysWOW64\28463\AYXN.001	a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AYXN.006	a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AYXN.007	a19e628b0b6983b11d119bd3f612cce0_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	a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AYXN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3316	AYXN.exe
Token: SeIncBasePriorityPrivilege	3316	AYXN.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3316	AYXN.exe
3316	AYXN.exe
3316	AYXN.exe
3316	AYXN.exe
3316	AYXN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 3316	4592	a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe	85
PID 4592 wrote to memory of 3316	4592	a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe	85
PID 4592 wrote to memory of 3316	4592	a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\a19e628b0b6983b11d119bd3f612cce0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a19e628b0b6983b11d119bd3f612cce0_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:4592
- C:\Windows\SysWOW64\28463\AYXN.exe
  "C:\Windows\system32\28463\AYXN.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:3316

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

@A529.tmp

Path C:\Users\Admin\AppData\Local\Temp\@A529.tmp
Size 4KB
SHA256 d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb
MD5 c3679c3ff636d1a6b8c65323540da371
SHA1 d184758721a426467b687bec2a4acc80fe44c6f8
SHA512 494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7
MD5 SHA1 SHA512

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AKV.exe

Path C:\Windows\SysWOW64\28463\AKV.exe
Size 395KB
SHA256 14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a
MD5 b8fa30233794772b8b76b4b1d91c7321
SHA1 0cf9561be2528944285e536f41d502be24c3aa87
SHA512 10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d
SSDEEP 6144:qXXNW/g8zSQbXumJZwsP2IUPNF/GVx8MFC:+XbySQjuG/P2bd
MD5 SHA1 SHA512 SSDEEP

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AYXN.001

Path C:\Windows\SysWOW64\28463\AYXN.001
Size 402B
SHA256 fb5bd340cdc637f45653d7ce524b60aa88a63b0fcdb70d2de27234d96e8319f2
MD5 eb449a99507a561ca5ea99293a4529a0
SHA1 60d3bd5aeb154764a255599d66ddaced8db12fe9
SHA512 075a0aa1aa2fa2ca0d6b2b61422f8edf657f3418ee45ea13337a7b38ded7d58dece58f8557e5141df647750f5f1b30e7bd72a7223af0710b56587738b326d956
MD5 SHA1 SHA512

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AYXN.006

Path C:\Windows\SysWOW64\28463\AYXN.006
Size 8KB
SHA256 3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba
MD5 43f02e9974b1477c1e6388882f233db0
SHA1 f3e27b231193f8d5b2e1b09d05ae3a62795cf339
SHA512 e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f
SSDEEP 96:6ynh3GtCJk7eZjXOoP/YYfR+cwXofW1oEIYoWkQrWyHe1e2mIXT6pDw9:H3Ggk0+oP/YY50tI1WkQRoeyD6pU9
MD5 SHA1 SHA512 SSDEEP

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AYXN.007

Path C:\Windows\SysWOW64\28463\AYXN.007
Size 5KB
SHA256 a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2
MD5 b5a87d630436f958c6e1d82d15f98f96
SHA1 d3ff5e92198d4df0f98a918071aca53550bf1cff
SHA512 fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce
SSDEEP 48:6gklbZREoW0EE/KD4tJaKz5/aSbRsEJZAECi1cBaVM+kHbDouE:6gSoDidaeJGECiRQHbDoz
MD5 SHA1 SHA512 SSDEEP

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AYXN.exe

Path C:\Windows\SysWOW64\28463\AYXN.exe
Size 473KB
SHA256 1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd
MD5 17535dddecf8cb1efdba1f1952126547
SHA1 a862a9a3eb6c201751be1038537522a5281ea6cb
SHA512 b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8
SSDEEP 6144:gP/HgQr8z0psVGBJbsvUIvpBSkULIMxEIvs/IV2JN4Xd8Ab:0gQNIGBJ/igkUYItFb
MD5 SHA1 SHA512 SSDEEP

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memory/3316-23-0x00000000005A0000-0x00000000005A1000-memory.dmp

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memory/3316-27-0x00000000005A0000-0x00000000005A1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads