Malware Analysis Report

2024-10-23 22:21

Sample ID 240508-q1ln1afd6w
Target 251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118
SHA256 6d84b80a81c14fb04f43ab811b261c38fc4ef5c1f8ab5a42ddd8d225b5986a6d
Tags
formbook zgrat h35 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

6d84b80a81c14fb04f43ab811b261c38fc4ef5c1f8ab5a42ddd8d225b5986a6d

Threat Level: Known bad

The file 251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook zgrat h35 rat spyware stealer trojan

Formbook

ZGRat

Detect ZGRat V1

Formbook payload

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-08 13:43

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 13:43

Reported

2024-05-08 13:46

Platform

win10v2004-20240419-en

Max time kernel

147s

Max time network

148s

Command Line

C:\Windows\Explorer.EXE

Signatures

Detect ZGRat V1

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

Formbook

trojan spyware stealer formbook

ZGRat

rat zgrat

Formbook payload

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A
N/A N/A C:\Windows\SysWOW64\control.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\control.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4836 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4836 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4836 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4836 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4836 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4836 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2820 wrote to memory of 1052 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\control.exe
PID 2820 wrote to memory of 1052 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\control.exe
PID 2820 wrote to memory of 1052 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\control.exe
PID 1052 wrote to memory of 3812 N/A C:\Windows\SysWOW64\control.exe C:\Windows\SysWOW64\cmd.exe
PID 1052 wrote to memory of 3812 N/A C:\Windows\SysWOW64\control.exe C:\Windows\SysWOW64\cmd.exe
PID 1052 wrote to memory of 3812 N/A C:\Windows\SysWOW64\control.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

C:\Windows\SysWOW64\control.exe

"C:\Windows\SysWOW64\control.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 www.aeints.net udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 69.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 www.copydinner.win udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 www.yongshiquan.com udp
US 8.8.8.8:53 www.tmay.ltd udp
US 8.8.8.8:53 www.sarandipiagaldar.com udp

Files

memory/4836-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

memory/4836-1-0x0000000000E10000-0x0000000000EA2000-memory.dmp

memory/4836-2-0x0000000005E00000-0x00000000063A4000-memory.dmp

memory/4836-3-0x0000000005770000-0x0000000005802000-memory.dmp

memory/4836-4-0x0000000005710000-0x000000000571A000-memory.dmp

memory/4836-5-0x0000000074CF0000-0x00000000754A0000-memory.dmp

memory/4836-6-0x0000000005720000-0x0000000005742000-memory.dmp

memory/4836-7-0x0000000005D30000-0x0000000005DCC000-memory.dmp

memory/4836-8-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

memory/2820-9-0x0000000000400000-0x000000000042A000-memory.dmp

memory/4836-11-0x0000000074CF0000-0x00000000754A0000-memory.dmp

memory/2820-12-0x0000000003050000-0x000000000339A000-memory.dmp

memory/2820-15-0x0000000001330000-0x0000000001344000-memory.dmp

memory/2820-14-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3368-16-0x0000000008BE0000-0x0000000008D8A000-memory.dmp

memory/3368-20-0x0000000002E20000-0x0000000002F89000-memory.dmp

memory/2820-19-0x0000000001390000-0x00000000013A4000-memory.dmp

memory/2820-18-0x0000000000400000-0x000000000042A000-memory.dmp

memory/1052-22-0x0000000000F10000-0x0000000000F37000-memory.dmp

memory/1052-21-0x0000000000F10000-0x0000000000F37000-memory.dmp

memory/3368-24-0x0000000002E20000-0x0000000002F89000-memory.dmp

memory/3368-26-0x0000000008D90000-0x0000000008F09000-memory.dmp

memory/3368-27-0x0000000008D90000-0x0000000008F09000-memory.dmp

memory/3368-30-0x0000000008D90000-0x0000000008F09000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 13:43

Reported

2024-05-08 13:46

Platform

win7-20240419-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe"

Signatures

Detect ZGRat V1

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

ZGRat

rat zgrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\251c58dc2f6f82c3e5b0e981acd37bd7_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 684

Network

N/A

Files

memory/1968-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

memory/1968-1-0x0000000000B30000-0x0000000000BC2000-memory.dmp

memory/1968-2-0x0000000074B80000-0x000000007526E000-memory.dmp

memory/1968-3-0x0000000000400000-0x0000000000422000-memory.dmp

memory/1968-4-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

memory/1968-5-0x0000000074B80000-0x000000007526E000-memory.dmp