Malware Analysis Report

2024-10-19 07:33

Sample ID 240726-rq6rvstbjl
Target 746f7391381312f198f1503a294cac3e_JaffaCakes118
SHA256 02b8b255bad9a0b4011b531e830008a0abf02d501f5339a05ecc25e161d5eb75
Tags
darkcomet guest16 discovery rat trojan
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

02b8b255bad9a0b4011b531e830008a0abf02d501f5339a05ecc25e161d5eb75

Threat Level: Known bad

The file 746f7391381312f198f1503a294cac3e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

darkcomet guest16 discovery rat trojan

Darkcomet

Executes dropped EXE

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-26 14:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-26 14:24

Reported

2024-07-26 16:21

Platform

win7-20240708-en

Max time kernel

149s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\746f7391381312f198f1503a294cac3e_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\tmp.tmp.tmp1 N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\tmp.tmp.tmp1 C:\Users\Admin\AppData\Local\Temp\746f7391381312f198f1503a294cac3e_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\746f7391381312f198f1503a294cac3e_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\tmp.tmp.tmp1 N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeSecurityPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeSystemtimePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeBackupPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeRestorePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeShutdownPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeDebugPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeUndockPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeManageVolumePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeImpersonatePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: 33 N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: 34 N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: 35 N/A C:\Windows\tmp.tmp.tmp1 N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\746f7391381312f198f1503a294cac3e_JaffaCakes118.exe N/A
N/A N/A C:\Windows\tmp.tmp.tmp1 N/A

Processes

C:\Users\Admin\AppData\Local\Temp\746f7391381312f198f1503a294cac3e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\746f7391381312f198f1503a294cac3e_JaffaCakes118.exe"

C:\Windows\tmp.tmp.tmp1

C:\Windows\tmp.tmp.tmp1

Network

Country Destination Domain Proto
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp
N/A 127.0.0.1:1604 tcp

Files

C:\Windows\tmp.tmp.tmp1

MD5 9336f1bbc7b7c34c4939b6ff96b2a05d
SHA1 8c80abf6269f7d5f8b86fb25245b45150ba8a09b
SHA256 273f1248609c3bd6e1021d6f7be9d6e0faf9b2129ce60d63f787281c5a430e32
SHA512 9c8003a4b4060f5a62ccafa06e8b6586b4994602b41b91c5dfb476b27f463e9c438806e3a326567a670466f8c0ba0459aeb6be16ffcea5c38e38857014dea10b

memory/2928-10-0x00000000002E0000-0x00000000002E1000-memory.dmp

memory/2928-11-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/2928-13-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/2928-17-0x0000000000400000-0x00000000004CD000-memory.dmp

memory/2928-19-0x0000000000400000-0x00000000004CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-26 14:24

Reported

2024-07-26 16:20

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\746f7391381312f198f1503a294cac3e_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\tmp.tmp.tmp1 N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\tmp.tmp.tmp1 C:\Users\Admin\AppData\Local\Temp\746f7391381312f198f1503a294cac3e_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\746f7391381312f198f1503a294cac3e_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\tmp.tmp.tmp1 N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeSecurityPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeSystemtimePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeBackupPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeRestorePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeShutdownPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeDebugPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeUndockPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeManageVolumePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeImpersonatePrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: 33 N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: 34 N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: 35 N/A C:\Windows\tmp.tmp.tmp1 N/A
Token: 36 N/A C:\Windows\tmp.tmp.tmp1 N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\746f7391381312f198f1503a294cac3e_JaffaCakes118.exe N/A
N/A N/A C:\Windows\tmp.tmp.tmp1 N/A

Processes

C:\Users\Admin\AppData\Local\Temp\746f7391381312f198f1503a294cac3e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\746f7391381312f198f1503a294cac3e_JaffaCakes118.exe"

C:\Windows\tmp.tmp.tmp1

C:\Windows\tmp.tmp.tmp1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2828 -ip 2828

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 500

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 22.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
N/A 127.0.0.1:1604 tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 38.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp

Files

C:\Windows\tmp.tmp.tmp1

MD5 9336f1bbc7b7c34c4939b6ff96b2a05d
SHA1 8c80abf6269f7d5f8b86fb25245b45150ba8a09b
SHA256 273f1248609c3bd6e1021d6f7be9d6e0faf9b2129ce60d63f787281c5a430e32
SHA512 9c8003a4b4060f5a62ccafa06e8b6586b4994602b41b91c5dfb476b27f463e9c438806e3a326567a670466f8c0ba0459aeb6be16ffcea5c38e38857014dea10b

memory/5036-8-0x0000000002260000-0x0000000002261000-memory.dmp

memory/5036-9-0x0000000000400000-0x00000000004CD000-memory.dmp