ardamax | 4f1ac579923377a3f66b9fc1f950c26bf44f0f4309659de0999f5cf8b6755838

General

Target

JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe
Size

536KB
MD5

29ad6b4feba986ba72475449f30736ac
SHA1

a3d212404dfa7b546b3eb62de45356fa119a73e6
SHA256

4f1ac579923377a3f66b9fc1f950c26bf44f0f4309659de0999f5cf8b6755838
SHA512

7dc059b622e2d1e0098884bd7e7485169149022fc566498feccd2a17ea0ff529b3244be136c591492aee8fab6709f4dff0bb39f5a7f9d2bc45efac932b860745
SSDEEP

12288:q5PM33fYCytFoEFEvcewVMulCSTyFX/20sqvyrw8lFkcK:6YPYCSoEWDuBTo+PMyNFkr

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/0x0007000000023ca1-12.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	OKMU.exe

Loads dropped DLL 1 IoCs

pid	Process
2804	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.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\OKMU Agent = "C:\\Windows\\SysWOW64\\28463\\OKMU.exe"	OKMU.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\28463\OKMU.exe	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe
File created	C:\Windows\SysWOW64\28463\AKV.exe	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe
File created	C:\Windows\SysWOW64\28463\OKMU.001	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe
File created	C:\Windows\SysWOW64\28463\OKMU.006	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe
File created	C:\Windows\SysWOW64\28463\OKMU.007	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.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	OKMU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 2988	2804	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe	82
PID 2804 wrote to memory of 2988	2804	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe	82
PID 2804 wrote to memory of 2988	2804	JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_29ad6b4feba986ba72475449f30736ac.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_29ad6b4feba986ba72475449f30736ac.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:2804
- C:\Windows\SysWOW64\28463\OKMU.exe
  "C:\Windows\system32\28463\OKMU.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2988

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\@8676.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\OKMU.001

Filesize
440B

MD5
96e829f43d8bfbea1ae25101ca8e0ed6

SHA1
683e15ac59ec668df90b3b6e42c52e02c8f3a785

SHA256
2d0a40f406c4df00bd7de9797c7b16e9d86c4e1d2be4d7a6e3e9e7f59afd63df

SHA512
0bade53f9a4a9251fd78280dab046dcf41d0e63951fb9ccd8dd8e90688629e1459dec23b97a46062a6bdc3469e9874edc3d93ab051b18e1238a26c02c40106b5

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

Filesize
8KB

MD5
86d96c93965255cef35ca42413188b75

SHA1
9d77f203267febe047d049584e5c79f1c1801b2d

SHA256
b796bd1f5cdb1d1db91c3aca1ac700c015775b9caf2725fbf4b6089a096f21c5

SHA512
2db81080a16494ec549f4f39ee382580ba12cd5cbfe31632c8459ba94d767ce1ad3e9c0e6643f80530ae5e316fc42dca05708eeade7ce3c0341d669325cdb095

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

Filesize
5KB

MD5
b73942c11844487ca7fc3e78062c8abb

SHA1
28f4c4159528ccbe9d83b5cd5e157861d11ff04c

SHA256
4ba88f8964ee02a395d88974fd43b05610cf520b4ab40f36b3f98715ce1e0984

SHA512
d4c782f5abd91b3396b243345f968eb5a705a7aefeedf92e62047309f7ccf223c0825623c184de66e3667c22eb371f0329be97ea70f6d72b54f98b22042e1f9c

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

Filesize
472KB

MD5
324154483b20e6f67a3c1486e3fc7c6a

SHA1
d6630eb1d8555b48413434b4a5d54c8de819cbf8

SHA256
ded1c934280294375d7b926773511e4d5e6c8dbb22b0dd25a80a6b0b3af065d3

SHA512
36349f7c53b9989eac63e8c91b7fb009a5a0dce934242ae5956a5e3d3764949a87296adeba81f3da96b5e035f3755b4dd75de2ffa211b7db296313c52f6d478b

Download Submit
memory/2988-24-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads