ardamax | 630f790c5fb34bb8b13ef60df96962cb17e9f91d5bc2d5a94c1d774473bbcd13

General

Target

c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe
Size

506KB
MD5

c3d0cea068b8e9a02c99b2b0438bed7c
SHA1

06b1d816b80c6b0ab124d24f1f8cca178de7ea30
SHA256

630f790c5fb34bb8b13ef60df96962cb17e9f91d5bc2d5a94c1d774473bbcd13
SHA512

a80156f9b394dff9579fc3ebd67b25a6bad1c1255b69eea76cba9f42d6f17d149fe597d12b2b14adcb1354096ebdc91e8553e6a546d74ed3e3b04a686ed81a73
SSDEEP

12288:3wxkyaIWwq4AQCsKohKCBFa1bMTwOFtwBG+K:Yxi42szh35+G9

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/0x00070000000234e0-12.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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3976	BXKU.exe

Loads dropped DLL 1 IoCs

pid	Process
404	c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.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\BXKU Agent = "C:\\Windows\\SysWOW64\\28463\\BXKU.exe"	BXKU.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\BXKU.001	c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\BXKU.006	c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\BXKU.007	c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\BXKU.exe	c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	c3d0cea068b8e9a02c99b2b0438bed7c_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	c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BXKU.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 3976	404	c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe	86
PID 404 wrote to memory of 3976	404	c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe	86
PID 404 wrote to memory of 3976	404	c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\c3d0cea068b8e9a02c99b2b0438bed7c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c3d0cea068b8e9a02c99b2b0438bed7c_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:404
- C:\Windows\SysWOW64\28463\BXKU.exe
  "C:\Windows\system32\28463\BXKU.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:3976

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\@D292.tmp

Filesize
4KB

MD5
9dc64557fcebd521ca4b267da15c2914

SHA1
c2247f9e0f0c8d11c7b9ab93f43ed53943d0bdd2

SHA256
a49cb9cbab2a60418b2079d4110123682fc980bb6b46ac5ada144797b5fa2cf4

SHA512
00241a139ca307c5eb4d89fa8b6296833961091286282c3482746e4a3589ef61e6d007edb6aa6fa1ef812d57bf63a8e495e0db712e17decc77bbae2490cdbe01

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

Filesize
394KB

MD5
10e53b4b4502bab5358837983b15d83e

SHA1
2845bb0d6667be127bab7676b6800994239850ce

SHA256
e91b458384ad38f5e81766bc7ae213025f27f30c69b72550731159aa60d62910

SHA512
35b2071598af5840ed0843e39f81b778660310725975c2b2cc8cd20ad37954bea04c4a2f173cdaffa467e9585b7f573b99fd444f659d11360bd7a8219c851cd7

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

Filesize
372B

MD5
1ede325e8563f9ff088c448d961884b1

SHA1
3520042d111320bf05eb23d9404187c156475ac0

SHA256
5f6f99e6824e2b8c41ed1d752c2b29d9c3ea47b8cb52046392b43a23ff6fcf3e

SHA512
69f402420b438217ce615513579d3e83bfa9b90ac7b5a25f65135028115217a8d2890ae8cf09b3ece3961bdff78f4fed65d8ff8da67c7391a157ca859be8c050

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

Filesize
8KB

MD5
86d96c93965255cef35ca42413188b75

SHA1
9d77f203267febe047d049584e5c79f1c1801b2d

SHA256
b796bd1f5cdb1d1db91c3aca1ac700c015775b9caf2725fbf4b6089a096f21c5

SHA512
2db81080a16494ec549f4f39ee382580ba12cd5cbfe31632c8459ba94d767ce1ad3e9c0e6643f80530ae5e316fc42dca05708eeade7ce3c0341d669325cdb095

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

Filesize
5KB

MD5
b73942c11844487ca7fc3e78062c8abb

SHA1
28f4c4159528ccbe9d83b5cd5e157861d11ff04c

SHA256
4ba88f8964ee02a395d88974fd43b05610cf520b4ab40f36b3f98715ce1e0984

SHA512
d4c782f5abd91b3396b243345f968eb5a705a7aefeedf92e62047309f7ccf223c0825623c184de66e3667c22eb371f0329be97ea70f6d72b54f98b22042e1f9c

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

Filesize
472KB

MD5
324154483b20e6f67a3c1486e3fc7c6a

SHA1
d6630eb1d8555b48413434b4a5d54c8de819cbf8

SHA256
ded1c934280294375d7b926773511e4d5e6c8dbb22b0dd25a80a6b0b3af065d3

SHA512
36349f7c53b9989eac63e8c91b7fb009a5a0dce934242ae5956a5e3d3764949a87296adeba81f3da96b5e035f3755b4dd75de2ffa211b7db296313c52f6d478b

Download Submit
memory/3976-23-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads