ardamax | cb3ca1384720a384cedc0f4fae43111398413574de148d9588b3f71f9aa03986

General

Target

JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
Size

519KB
MD5

a8a16c9df09a0375478c7a240e1a1872
SHA1

d0bd8a797c174e38c182744907a7c4c22e361d7a
SHA256

cb3ca1384720a384cedc0f4fae43111398413574de148d9588b3f71f9aa03986
SHA512

0f7eaab14efe55df5a56871f4163d93807c6f6877ed7709b883028b570a10fe7c79a66e6bce5ac6f39013af7c412d67bfb7e445d3dc68dc92eed25702b720230
SSDEEP

12288:gOnxbpHJc/VbWN5XxjLuS5GBlMUlRUOwpiOxALY0u9lRixA4:hnMbWNBxPglMUR19Or0u9lRB4

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
behavioral1/files/0x00070000000194e6-9.dat	family_ardamax

Executes dropped EXE 1 IoCs

pid	Process
2568	KSYW.exe

Loads dropped DLL 5 IoCs

pid	Process
2556	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
2556	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
2556	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
2568	KSYW.exe
2568	KSYW.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\KSYW Agent = "C:\\Windows\\SysWOW64\\28463\\KSYW.exe"	KSYW.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 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\KSYW.007	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
File created	C:\Windows\SysWOW64\28463\KSYW.chm	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
File opened for modification	C:\Windows\SysWOW64\28463	KSYW.exe
File created	C:\Windows\SysWOW64\28463\KSYW.001	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
File created	C:\Windows\SysWOW64\28463\KSYW.006	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
File created	C:\Windows\SysWOW64\28463\KSYW.exe	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
File created	C:\Windows\SysWOW64\28463\KSYW.004	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
File created	C:\Windows\SysWOW64\28463\KSYW.003	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.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	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KSYW.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2568	KSYW.exe
Token: SeIncBasePriorityPrivilege	2568	KSYW.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2568	KSYW.exe
2568	KSYW.exe
2568	KSYW.exe
2568	KSYW.exe
2568	KSYW.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2568	2556	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe	31
PID 2556 wrote to memory of 2568	2556	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe	31
PID 2556 wrote to memory of 2568	2556	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe	31
PID 2556 wrote to memory of 2568	2556	JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a8a16c9df09a0375478c7a240e1a1872.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\SysWOW64\28463\KSYW.exe
  "C:\Windows\system32\28463\KSYW.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:2568

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

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\28463\AKV.exe

Filesize
395KB

MD5
b8fa30233794772b8b76b4b1d91c7321

SHA1
0cf9561be2528944285e536f41d502be24c3aa87

SHA256
14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

SHA512
10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

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

Filesize
558B

MD5
39f407be42fcc6dbbe41f4159ac1d9eb

SHA1
66667cf7a15deb70108cca8a30cfea7b0e049639

SHA256
765442d30ef93210067d3c133013d05e0d5434ac9f5fcfbb38b9e08cf07def97

SHA512
afd76133ca527e86585b74ca066c7f45b0fcc6c3e824880234fad7bf9c00aa9f0009e9bf4f5e6e76e4299ac3f1e726b00896cf304c5ea7de4b28aba11d87f374

Download Submit
C:\Windows\SysWOW64\28463\KSYW.004

Filesize
14KB

MD5
bda4860df26a5882b42b6b861376199d

SHA1
8437ec07c9bc3001756ae0cb214b99e1e8a53fdb

SHA256
9ed69f6ee86a7fca1f3ef7801d08b38d9e82ab649e6169e894e48ce85b43dc30

SHA512
484f45aaacdb4be03752df49c337c7596d539ee0442412083fcfeea78e1c485caf1fbb25cf8a749611358e3a895232f8d0c61c91545d98a3f2a3e1aa504859c6

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

Download Submit
C:\Windows\SysWOW64\28463\KSYW.chm

Filesize
33KB

MD5
0195038e7af8da97742eb0188204c3bf

SHA1
b8c089c701ab283fa5aa921270b317c07cbee2c7

SHA256
fc14326e0719e0a59ba8fbb6763f2cc41b47d59ef177c90dc3535cd3a38720b9

SHA512
938c3a59895d861eb67a56f365fd387b122d42ff7bb52e5014faa738150d1eed2cd4a52b231ff70f1184fd7e3f0eb991096813b9933e574a7b4383f768384b04

Download Submit
\Users\Admin\AppData\Local\Temp\@D47E.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

Download Submit
\Windows\SysWOW64\28463\KSYW.exe

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
memory/2568-30-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2568-33-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads