ardamax | 913daba4ad34a98da87a82c762f8ecdf913fe01d55c3af2d28846e6ff1a50d45

General

Target

JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe
Size

950KB
MD5

849164ff29a3c2e5e3bf5f03c9e70b6f
SHA1

699565a3fda199253c470184043d981c8b7ed1c8
SHA256

913daba4ad34a98da87a82c762f8ecdf913fe01d55c3af2d28846e6ff1a50d45
SHA512

c993f24accc2ab9edcd29f1f761d2971acc3d6cc6b6da97fac1afc90a7ad0728607003391ffa39a340be2a3f0e36ad34c292d4666740a34eadc824a4b7f0f62a
SSDEEP

24576:iZB251vzLaXkOmexgTz+S7YaQCIWCc3UtMrXvFEz99:iZYPoIexg/+S/IWCctr/Fu

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/0x000700000002428c-37.dat	family_ardamax

Checks computer location settings 2 TTPs 2 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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	Install.exe

Executes dropped EXE 3 IoCs

pid	Process
4160	Install.exe
1536	screeny.exe
2788	EVPU.exe

Loads dropped DLL 1 IoCs

pid	Process
4160	Install.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\EVPU Agent = "C:\\Windows\\SysWOW64\\28463\\EVPU.exe"	EVPU.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\EVPU.001	Install.exe
File created	C:\Windows\SysWOW64\28463\EVPU.006	Install.exe
File created	C:\Windows\SysWOW64\28463\EVPU.007	Install.exe
File created	C:\Windows\SysWOW64\28463\EVPU.exe	Install.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	Install.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Install.exe	JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe
File created	C:\Windows\screeny.exe	JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	screeny.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EVPU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Install.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1536	screeny.exe
1536	screeny.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 4160	2976	JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe	89
PID 2976 wrote to memory of 4160	2976	JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe	89
PID 2976 wrote to memory of 4160	2976	JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe	89
PID 2976 wrote to memory of 1536	2976	JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe	91
PID 2976 wrote to memory of 1536	2976	JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe	91
PID 2976 wrote to memory of 1536	2976	JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe	91
PID 4160 wrote to memory of 2788	4160	Install.exe	92
PID 4160 wrote to memory of 2788	4160	Install.exe	92
PID 4160 wrote to memory of 2788	4160	Install.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_849164ff29a3c2e5e3bf5f03c9e70b6f.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\Install.exe
  "C:\Windows\Install.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:4160
- - C:\Windows\SysWOW64\28463\EVPU.exe
    "C:\Windows\system32\28463\EVPU.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2788
- C:\Windows\screeny.exe
  "C:\Windows\screeny.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1536

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

2

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:\Users\Admin\AppData\Local\Temp\@6590.tmp

Filesize
4KB

MD5
c3679c3ff636d1a6b8c65323540da371

SHA1
d184758721a426467b687bec2a4acc80fe44c6f8

SHA256
d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

SHA512
494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

Download Submit
C:\Windows\Install.exe

Filesize
480KB

MD5
b752d4d6428dc220d395b0064e9d3d52

SHA1
e079b1f1b2c29eafe20d56657e22891f7710de7b

SHA256
4e2d7bb71023e75eeb225f13a88b1220954f0cdbf92deaa275c8867dacf6f92b

SHA512
e76d994e16e4e750b94d69b2ec5726805ba614dab3a761d5be5f520960d8f5d544d7ab2ce901ed646a0c502b1ee607bd9feefd0b2c9cd106211800dc401531f9

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

Filesize
395KB

MD5
b8fa30233794772b8b76b4b1d91c7321

SHA1
0cf9561be2528944285e536f41d502be24c3aa87

SHA256
14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

SHA512
10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

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

Filesize
380B

MD5
c52a4dc4e9b1fa9e88e92188fd262bd4

SHA1
39e2595dc88c45047bd22ad46f78b1084e720452

SHA256
22a44e2352f41ad821b18f93dcea9da6d4b0ce76ade4d0cea29cc419f5cfc7f4

SHA512
5ec75e22f0ad0acd3d5852199eccc0d183372f07c11a9fac36ed891beb032bc574efead9796698364696b07b3eca8192e95bc0d7264930ae2f10dc9e14d2391c

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

Filesize
8KB

MD5
43f02e9974b1477c1e6388882f233db0

SHA1
f3e27b231193f8d5b2e1b09d05ae3a62795cf339

SHA256
3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

SHA512
e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

Filesize
5KB

MD5
b5a87d630436f958c6e1d82d15f98f96

SHA1
d3ff5e92198d4df0f98a918071aca53550bf1cff

SHA256
a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

SHA512
fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

Filesize
473KB

MD5
17535dddecf8cb1efdba1f1952126547

SHA1
a862a9a3eb6c201751be1038537522a5281ea6cb

SHA256
1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

SHA512
b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

Download Submit
C:\Windows\screeny.exe

Filesize
446KB

MD5
17fd4b469c694471c21c76bcb913fde1

SHA1
cf49b1c2587c773442f2cfd394bce6e0f814c0ca

SHA256
fd5cc0e9068927cf943fffafe7e451cb44b1ab8dc39f02aa49cfda93f79b925f

SHA512
d0dacd6ee7191d811c80abfaaf0f5023b15369ddc3d85bf424bc7a0486aa96d12dc0800e3f2a540aaed5960994fabd507ccfb2d274e84050fc89baa3d7f52451

Download Submit
memory/1536-43-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2976-27-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads