Malware Analysis Report

2024-10-18 23:06

Sample ID 240726-rjfl4asfkr
Target 7465c78800e4d75be3585180177bdf56_JaffaCakes118
SHA256 5bb539712bbb9e5913cb1bc30dd8245b497a09c6e7fc8ad72b3ae2fffdcf7c0d
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

5bb539712bbb9e5913cb1bc30dd8245b497a09c6e7fc8ad72b3ae2fffdcf7c0d

Threat Level: Known bad

The file 7465c78800e4d75be3585180177bdf56_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

ardamax defense_evasion discovery keylogger persistence stealer

Ardamax main executable

Ardamax

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Checks installed software on the system

Indicator Removal: File Deletion

Drops file in System32 directory

Program crash

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-26 14:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-26 14:13

Reported

2024-07-26 16:06

Platform

win7-20240704-en

Max time kernel

117s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_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\VXPY.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\VXPY Agent = "C:\\Windows\\SysWOW64\\28463\\VXPY.exe" C:\Windows\SysWOW64\28463\VXPY.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\VXPY.exe C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\28463 C:\Windows\SysWOW64\28463\VXPY.exe N/A
File created C:\Windows\SysWOW64\28463\VXPY.001 C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\VXPY.006 C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\VXPY.007 C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_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:\Windows\SysWOW64\28463\VXPY.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

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

Network

N/A

Files

\Users\Admin\AppData\Local\Temp\@8047.tmp

MD5 fc0fea286539e5d84ccf49020ca3823b
SHA1 d43711c776edf9a07abed6bb95ed4a0e45e14d52
SHA256 2520256a587481813a5557e54a65f2fca97baee5df333102adfff2dbdabb4828
SHA512 70e1a5ec247d5e3057fe19f7f34b31ee7a79ab16dca73794829d9d81e3ed891881df424f7aa44b9424550574ab61c95d376163b16080aa7cfd61e986e6988ea2

\Windows\SysWOW64\28463\VXPY.exe

MD5 1800b0b263035d94f7bb5e9e70270032
SHA1 c8ba77fa2e414ad11e39a6493e15c078c99d80e6
SHA256 0b15e820894e38d036e75abd442e1cebbfb734c4a50fd0f3adcd3b77211caa5e
SHA512 1431bedcba045f110354c7ec8a34ad5677447aa647581ebc86c25ee38397d2eff4b02d438227144b934ce65b26a2be65c44b761bd4b46518ff44ba6aaf06f29f

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

MD5 349e1d919c761c128553b46c74bfb5b0
SHA1 4b1342ff5bac7836096f3d370bf75807b9f017da
SHA256 4ef82429e8bd8910a93920aa57c0a24e112672f84c8d92ee726645b1429d3652
SHA512 e2aeeb553a3a1396a8b72e5611795e4fc9ea2808b05c525f13d3b59d3f0e0c9daaac4138febc976d6d491478e5b358114e18c379af12fd5d963e971fc435618f

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

MD5 75f215af21ded98ab7a1a2a0ea1f1a30
SHA1 e85649693a178064da1aa4cc7c8e34c92472ba0d
SHA256 af46dca2a4f77f0c977fec74312a41e20bd064bd2ca17bec0f09afd67d7e1e3d
SHA512 1582847dae80134e5272fc1b125d6af13746263601ebc8b540ea5fd3e4fc0a05f6e783c59a6052b971efd15d26d9d55b86345292160e9c79041b7c57f9a74f54

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

MD5 528f383007234b421e3f1072fae5af11
SHA1 b19c49e17263d940ffa4d46c60a7cf2d03525f09
SHA256 531958a2b1de11d2da2eb8a5409f57c1f31253f79f790473d0efc0ae5567b61f
SHA512 d1813fc77b21ebcdada0cc9c410e533a39a436a038d91cb131bf03c987dab6e7e5b4c99f1a135adde84b4afcbd0a9f0f13931bae3c45c5782d7557fa620b4830

memory/2648-22-0x0000000000250000-0x0000000000251000-memory.dmp

memory/2648-25-0x0000000000250000-0x0000000000251000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-26 14:13

Reported

2024-07-26 16:05

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\28463\VXPY.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\28463\VXPY.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\VXPY Agent = "C:\\Windows\\SysWOW64\\28463\\VXPY.exe" C:\Windows\SysWOW64\28463\VXPY.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\VXPY.001 C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\VXPY.006 C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\VXPY.007 C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\28463\VXPY.exe C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\28463 C:\Windows\SysWOW64\28463\VXPY.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\VXPY.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\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\28463\VXPY.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\VXPY.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\28463\VXPY.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\28463\VXPY.exe N/A

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7465c78800e4d75be3585180177bdf56_JaffaCakes118.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2532 -ip 2532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1068

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.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 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 174.117.168.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\@8B67.tmp

MD5 fc0fea286539e5d84ccf49020ca3823b
SHA1 d43711c776edf9a07abed6bb95ed4a0e45e14d52
SHA256 2520256a587481813a5557e54a65f2fca97baee5df333102adfff2dbdabb4828
SHA512 70e1a5ec247d5e3057fe19f7f34b31ee7a79ab16dca73794829d9d81e3ed891881df424f7aa44b9424550574ab61c95d376163b16080aa7cfd61e986e6988ea2

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

MD5 1800b0b263035d94f7bb5e9e70270032
SHA1 c8ba77fa2e414ad11e39a6493e15c078c99d80e6
SHA256 0b15e820894e38d036e75abd442e1cebbfb734c4a50fd0f3adcd3b77211caa5e
SHA512 1431bedcba045f110354c7ec8a34ad5677447aa647581ebc86c25ee38397d2eff4b02d438227144b934ce65b26a2be65c44b761bd4b46518ff44ba6aaf06f29f

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

MD5 75f215af21ded98ab7a1a2a0ea1f1a30
SHA1 e85649693a178064da1aa4cc7c8e34c92472ba0d
SHA256 af46dca2a4f77f0c977fec74312a41e20bd064bd2ca17bec0f09afd67d7e1e3d
SHA512 1582847dae80134e5272fc1b125d6af13746263601ebc8b540ea5fd3e4fc0a05f6e783c59a6052b971efd15d26d9d55b86345292160e9c79041b7c57f9a74f54

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

MD5 349e1d919c761c128553b46c74bfb5b0
SHA1 4b1342ff5bac7836096f3d370bf75807b9f017da
SHA256 4ef82429e8bd8910a93920aa57c0a24e112672f84c8d92ee726645b1429d3652
SHA512 e2aeeb553a3a1396a8b72e5611795e4fc9ea2808b05c525f13d3b59d3f0e0c9daaac4138febc976d6d491478e5b358114e18c379af12fd5d963e971fc435618f

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

MD5 528f383007234b421e3f1072fae5af11
SHA1 b19c49e17263d940ffa4d46c60a7cf2d03525f09
SHA256 531958a2b1de11d2da2eb8a5409f57c1f31253f79f790473d0efc0ae5567b61f
SHA512 d1813fc77b21ebcdada0cc9c410e533a39a436a038d91cb131bf03c987dab6e7e5b4c99f1a135adde84b4afcbd0a9f0f13931bae3c45c5782d7557fa620b4830

memory/2532-21-0x0000000000A80000-0x0000000000A81000-memory.dmp

memory/2532-25-0x0000000000A80000-0x0000000000A81000-memory.dmp