Malware Analysis Report

2025-01-03 04:59

Sample ID 241127-mp91nsznc1
Target a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118
SHA256 84c32cb403361a5d8d8117cf941b89c6c819ac453a0e1f411eb5c2952cc35e7c
Tags
bitrat discovery trojan upx
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

84c32cb403361a5d8d8117cf941b89c6c819ac453a0e1f411eb5c2952cc35e7c

Threat Level: Known bad

The file a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

bitrat discovery trojan upx

BitRAT

Bitrat family

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

UPX packed file

Suspicious use of NtSetInformationThreadHideFromDebugger

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-27 10:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-27 10:39

Reported

2024-11-27 10:42

Platform

win7-20241023-en

Max time kernel

143s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118.exe"

Signatures

BitRAT

trojan bitrat

Bitrat family

bitrat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A

UPX packed file

upx
Description Indicator Process Target
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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\a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe

"C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe"

C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe

"C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe"

Network

Country Destination Domain Proto
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp

Files

\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe

MD5 60b16295c2f7b34128b7135af220c142
SHA1 a2211b6e1d2708316c3086398df6d56a52494d5e
SHA256 e8cb7abe387fa940a5b97a00b50f30ddb613dbd31beae4005dee56232c7fb1b8
SHA512 3e0000a5ca8e5e797974145e50ab1213b0d8e4ecfaf38fa711f58c8836f13edd86b93aaf1e70a6f494cf87d676d2598f49f91adcbea66b2ec9816c14b270d996

memory/2264-8-0x00000000033A0000-0x0000000003784000-memory.dmp

memory/2264-9-0x00000000033A0000-0x0000000003784000-memory.dmp

memory/2792-17-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2264-33-0x00000000033A0000-0x0000000003784000-memory.dmp

memory/2484-35-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2264-32-0x00000000033A0000-0x0000000003784000-memory.dmp

memory/2264-31-0x00000000033A0000-0x0000000003784000-memory.dmp

memory/2484-37-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2792-38-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2792-39-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2792-41-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2792-42-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2792-44-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2792-46-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2792-47-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2792-49-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2792-51-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/2792-52-0x0000000000400000-0x00000000007E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-27 10:39

Reported

2024-11-27 10:42

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118.exe"

Signatures

BitRAT

trojan bitrat

Bitrat family

bitrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A

UPX packed file

upx
Description Indicator Process Target
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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\a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe

"C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe"

C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe

"C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
DE 79.134.225.90:4898 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 81.139.73.23.in-addr.arpa udp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp
DE 79.134.225.90:4898 tcp

Files

C:\Users\Admin\AppData\Local\Temp\rQ7iB4QSh4iRhkbT.exe

MD5 60b16295c2f7b34128b7135af220c142
SHA1 a2211b6e1d2708316c3086398df6d56a52494d5e
SHA256 e8cb7abe387fa940a5b97a00b50f30ddb613dbd31beae4005dee56232c7fb1b8
SHA512 3e0000a5ca8e5e797974145e50ab1213b0d8e4ecfaf38fa711f58c8836f13edd86b93aaf1e70a6f494cf87d676d2598f49f91adcbea66b2ec9816c14b270d996

memory/1348-13-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/3732-15-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-16-0x0000000074390000-0x00000000743C9000-memory.dmp

memory/3732-17-0x0000000074390000-0x00000000743C9000-memory.dmp

memory/3732-18-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-19-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-20-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-21-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-22-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-24-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-25-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-27-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-28-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-30-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-31-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-32-0x0000000074070000-0x00000000740A9000-memory.dmp

memory/1348-33-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-34-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-36-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-37-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-38-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-40-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-41-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-42-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-44-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-45-0x0000000074820000-0x0000000074859000-memory.dmp

memory/1348-46-0x0000000000400000-0x00000000007E4000-memory.dmp

memory/1348-47-0x0000000074820000-0x0000000074859000-memory.dmp