ardamax | c99c7b318d67b4a6f3f14e19c421de01d9b05dc85fe5a04bef88511d192ca18c

General

Target

1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe
Size

1.1MB
MD5

1580f4828f451cf748f8b7aa0963318e
SHA1

e2934644bf6d0979d378960a595c12e6630768f4
SHA256

c99c7b318d67b4a6f3f14e19c421de01d9b05dc85fe5a04bef88511d192ca18c
SHA512

37d751eb5d880579fbaf46ea3f642b07d3818fcea8b57df1817f1df6e0da0f0bf4b6adca50f4c3c74caa49f265281582a9e3f7905844f3c493aa56006a98caeb
SSDEEP

24576:Gk/ATY96YkcmNN8ZbuORU1svtPCLn4J8J6RUS0CT15Vn0dVmr3eBJ9:XoTY9ZBmNN8huORLUsJ8QSmp0yr3WJ

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/0x0007000000023460-8.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-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4836	UPD.exe

Loads dropped DLL 1 IoCs

pid	Process
4836	UPD.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\UPD Start = "C:\\Windows\\SysWOW64\\YCDGPD\\UPD.exe"	UPD.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\YCDGPD\UPD.001	1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YCDGPD\UPD.002	1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YCDGPD\AKV.exe	1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\YCDGPD\UPD.exe	1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\YCDGPD\	UPD.exe
File created	C:\Windows\SysWOW64\YCDGPD\UPD.004	1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4836	UPD.exe
Token: SeIncBasePriorityPrivilege	4836	UPD.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4836	UPD.exe
4836	UPD.exe
4836	UPD.exe
4836	UPD.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 4836	5092	1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe	83
PID 5092 wrote to memory of 4836	5092	1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe	83
PID 5092 wrote to memory of 4836	5092	1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Windows\SysWOW64\YCDGPD\UPD.exe
  "C:\Windows\system32\YCDGPD\UPD.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4836

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\YCDGPD\AKV.exe

Filesize
466KB

MD5
4c5711d8a02899113661bdff195d80d5

SHA1
263592abea6d60887defb4b1bcb47dbb383edfb6

SHA256
661eee852ace18c0fe63548e3ca276866b40dd0dce722f67976b8c4bfdb92195

SHA512
4b16ee6c75a169ad02c6b30d08efcd969ba8840adf49f6eeec3abbe8b9f5f288e1b1cfb4431711a74510a6973663335e43d256ae0dcd1a68f55331152a4f64ae

Download Submit
C:\Windows\SysWOW64\YCDGPD\UPD.001

Filesize
61KB

MD5
7a5612cc859be918c5767487f8a6815a

SHA1
a855d3a3e6336ac0508a8099e8ace14680394c36

SHA256
643419bc7e3a46ecdd7196858b3489c806c5edc486b513ce58519a109544c9d1

SHA512
31c541870dbc695c34d132c4232accc2fe511f30188a4db33d5c41758cf5af00a4906b55b0a208b5848436313fd3d8ccf6be7f1af62ecedd3a5c4c301dc5e11d

Download Submit
C:\Windows\SysWOW64\YCDGPD\UPD.002

Filesize
43KB

MD5
b2bcd668abf17ee408d232cc636614b2

SHA1
c354f941121515536c4f0d9ae49ed1a9b28534b4

SHA256
563f5e99f0beb961ecf6a8284bf41fee3e85d6f63cdff1669438f5a2168bfd99

SHA512
ba1be164de5919ae45f4bedfebe7e7799626b457f07b42fc43b8912f2932955833617b45e147e2e4d406f57f57f50c1869aa611db18a569919395e42fa53a702

Download Submit
C:\Windows\SysWOW64\YCDGPD\UPD.004

Filesize
1KB

MD5
3425b0c21a1228bcc1b326e2cd3de589

SHA1
23f48716c2acd19b1fb2256223a1c700751dc4d0

SHA256
debbfe6d72f10395e3f1b5850de6febb3489a3adff34dfdb867b0b684bfe350d

SHA512
cda10a8d3d32536515ce83992d94b6715cf693bd2c534766c732ee3bf2130cf9a99165fc4e9f9cdbcc74378d5b7309b353c47123b60b5aa2763a2ed562c73c6a

Download Submit
C:\Windows\SysWOW64\YCDGPD\UPD.exe

Filesize
1.5MB

MD5
a9ea3f61a57b36cde9953afd91f18d34

SHA1
e7e931b96b6e39b64a2a38d704bbe9561a234cbc

SHA256
accbdc6de9b6b671e6dc5bda9f1f983fbfcaa07467fbf6eabd25b9d5314d82ec

SHA512
0a6a42a772a3afd66233d9d3abb962b3a8cbf3d6e0e719352795b6441a148617dbe788991f0cead29d4b1540726504c9c56bebd9836ae6263b82a121fafd89fc

Download Submit
memory/4836-16-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/4836-18-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads