Malware Analysis Report

2024-10-18 23:06

Sample ID 240724-dbg83axdka
Target 69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118
SHA256 25527da024d34cc3015815ddd8e0963705ba67a01ade3d18d0291520efa6b2f8
Tags
ardamax defense_evasion discovery keylogger persistence stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

25527da024d34cc3015815ddd8e0963705ba67a01ade3d18d0291520efa6b2f8

Threat Level: Known bad

The file 69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ardamax defense_evasion discovery keylogger persistence stealer

Ardamax main executable

Ardamax

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Indicator Removal: File Deletion

Checks installed software on the system

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-24 02:49

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-24 02:49

Reported

2024-07-24 02:53

Platform

win7-20240704-en

Max time kernel

120s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe"

Signatures

Ardamax

keylogger stealer ardamax

Ardamax main executable

Description Indicator Process Target
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WUBF Agent = "C:\\Windows\\SysWOW64\\28463\\WUBF.exe" C:\Windows\SysWOW64\28463\WUBF.exe N/A

Checks installed software on the system

discovery

Indicator Removal: File Deletion

defense_evasion

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\28463\WUBF.006 C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\WUBF.007 C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\WUBF.exe C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\AKV.exe C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\28463 C:\Windows\SysWOW64\28463\WUBF.exe N/A
File created C:\Windows\SysWOW64\28463\WUBF.001 C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\28463\WUBF.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe"

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

"C:\Windows\system32\28463\WUBF.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\WUBF.exe > nul

Network

N/A

Files

\Users\Admin\AppData\Local\Temp\@79C2.tmp

MD5 908f7f4b0cf93759447afca95cd84aa6
SHA1 d1903a49b211bcb4a460904019ee7441420aa961
SHA256 3e6378164f9dc4148b86c9312b63c5a6b1fabcfebf9557f182d331e9cb32fc23
SHA512 958e0880565b008cdb045d6aba5103f0ba820ac037facf24b78924187a119258e3a8a97de4c3874694962114ef672d41a55feb71b92d5038e7d45bc3d91d6b0d

\Windows\SysWOW64\28463\WUBF.exe

MD5 d7bd4739313a8e2fc9e080b7d0ba13b2
SHA1 808fcbe663bc02780b1d9962873a1e3066d55f05
SHA256 c9b47519386b1b7cd6dfecd42e586883d301b7a99c0c3d67a4beabc3ae3dcd6b
SHA512 d70e04444a2cc0f5b1fc5c81873b2c93582afa013f9aafe0e7c0eaaac36582b736b6ad8ef23a3d3aa4e3541fd478cbdcb8596dd4d233ada85f861c858c94b398

C:\Windows\SysWOW64\28463\WUBF.006

MD5 e0fcfa7cad88d1a8a462cee6b06cf668
SHA1 a7e49078517abc929a6da261df06556c8f5a8cf0
SHA256 340ff9f7f784e299030abb9982c88547e67251a6cca07d30ca8073d01a2840c4
SHA512 430fd640432769047de7bb4432f710193855a5121fe5944ef07f6b68749608312e7c22b29834967d429637fc9b285671cd10bbc9e1cfb43654695a206ba9cf82

C:\Windows\SysWOW64\28463\WUBF.007

MD5 ca72cd485d116033f1b776903ce7ee0a
SHA1 85b0b73a75b0498f56200dd1a5cf0de5371e42a3
SHA256 e583532d6b4d8cfc1def5e550674e9e1a4eef2a107adacddf729fddac64f49c4
SHA512 8dbf6920af64aac6a80c3da4a567473dc20c8d4e24078f7e66bb5aa1a08641e5081b0a1ee05f82fb1dd14218b62572c198ff39b1add5f19893008b3d8e54538f

C:\Windows\SysWOW64\28463\WUBF.001

MD5 50286c5ca86842ac5690b6fe4ed2ea2a
SHA1 13474fef03d3ef030b3f2c2c78f21557f7604f96
SHA256 623518707b4f389a146cf8ac05514da251c0a4cb923f94d5533ff720e411df71
SHA512 cbd06f6f8b6be028ca44b8699108bca5f9d95642511cadc7bfcc5f8e7b0b707bde707513a59e16fc1e44c66927f5e4e4822a2bd3cdbe80c92a074ab241ed400c

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

MD5 b0b09699ea39c0107af1c0833f07c054
SHA1 b730e2fb0bda9bf4a1b1f8768a00838e3ca9dcc1
SHA256 be63e3b5a6c3fbec11a737332d4e0040a23cc2d17182b4bc5e7d5dd41d930ee1
SHA512 55430e53058964961808f37d738c31f1502c3ec4a14b0296bef7bad22e468734bcd119eedba14cc87894d4acc81c9266572aff9919b18bd584823c47fa149796

memory/2828-25-0x00000000001E0000-0x00000000001E1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-24 02:49

Reported

2024-07-24 02:53

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe"

Signatures

Ardamax

keylogger stealer ardamax

Ardamax main executable

Description Indicator Process Target
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\28463\WUBF.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WUBF Agent = "C:\\Windows\\SysWOW64\\28463\\WUBF.exe" C:\Windows\SysWOW64\28463\WUBF.exe N/A

Checks installed software on the system

discovery

Indicator Removal: File Deletion

defense_evasion

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\28463\WUBF.exe C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\AKV.exe C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\28463 C:\Windows\SysWOW64\28463\WUBF.exe N/A
File created C:\Windows\SysWOW64\28463\WUBF.001 C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\WUBF.006 C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\WUBF.007 C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\28463\WUBF.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\28463\WUBF.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: 33 N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A
N/A N/A C:\Windows\SysWOW64\28463\WUBF.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\69fad7d6792450fb7bf97b72852b0b0f_JaffaCakes118.exe"

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

"C:\Windows\system32\28463\WUBF.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2424 -ip 2424

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 1116

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\WUBF.exe > nul

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 20.189.173.5:443 tcp

Files

C:\Users\Admin\AppData\Local\Temp\@B621.tmp

MD5 908f7f4b0cf93759447afca95cd84aa6
SHA1 d1903a49b211bcb4a460904019ee7441420aa961
SHA256 3e6378164f9dc4148b86c9312b63c5a6b1fabcfebf9557f182d331e9cb32fc23
SHA512 958e0880565b008cdb045d6aba5103f0ba820ac037facf24b78924187a119258e3a8a97de4c3874694962114ef672d41a55feb71b92d5038e7d45bc3d91d6b0d

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

MD5 d7bd4739313a8e2fc9e080b7d0ba13b2
SHA1 808fcbe663bc02780b1d9962873a1e3066d55f05
SHA256 c9b47519386b1b7cd6dfecd42e586883d301b7a99c0c3d67a4beabc3ae3dcd6b
SHA512 d70e04444a2cc0f5b1fc5c81873b2c93582afa013f9aafe0e7c0eaaac36582b736b6ad8ef23a3d3aa4e3541fd478cbdcb8596dd4d233ada85f861c858c94b398

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

MD5 b0b09699ea39c0107af1c0833f07c054
SHA1 b730e2fb0bda9bf4a1b1f8768a00838e3ca9dcc1
SHA256 be63e3b5a6c3fbec11a737332d4e0040a23cc2d17182b4bc5e7d5dd41d930ee1
SHA512 55430e53058964961808f37d738c31f1502c3ec4a14b0296bef7bad22e468734bcd119eedba14cc87894d4acc81c9266572aff9919b18bd584823c47fa149796

C:\Windows\SysWOW64\28463\WUBF.007

MD5 ca72cd485d116033f1b776903ce7ee0a
SHA1 85b0b73a75b0498f56200dd1a5cf0de5371e42a3
SHA256 e583532d6b4d8cfc1def5e550674e9e1a4eef2a107adacddf729fddac64f49c4
SHA512 8dbf6920af64aac6a80c3da4a567473dc20c8d4e24078f7e66bb5aa1a08641e5081b0a1ee05f82fb1dd14218b62572c198ff39b1add5f19893008b3d8e54538f

C:\Windows\SysWOW64\28463\WUBF.006

MD5 e0fcfa7cad88d1a8a462cee6b06cf668
SHA1 a7e49078517abc929a6da261df06556c8f5a8cf0
SHA256 340ff9f7f784e299030abb9982c88547e67251a6cca07d30ca8073d01a2840c4
SHA512 430fd640432769047de7bb4432f710193855a5121fe5944ef07f6b68749608312e7c22b29834967d429637fc9b285671cd10bbc9e1cfb43654695a206ba9cf82

C:\Windows\SysWOW64\28463\WUBF.001

MD5 50286c5ca86842ac5690b6fe4ed2ea2a
SHA1 13474fef03d3ef030b3f2c2c78f21557f7604f96
SHA256 623518707b4f389a146cf8ac05514da251c0a4cb923f94d5533ff720e411df71
SHA512 cbd06f6f8b6be028ca44b8699108bca5f9d95642511cadc7bfcc5f8e7b0b707bde707513a59e16fc1e44c66927f5e4e4822a2bd3cdbe80c92a074ab241ed400c

memory/2424-23-0x0000000000630000-0x0000000000631000-memory.dmp

memory/2424-27-0x0000000000630000-0x0000000000631000-memory.dmp