Malware Analysis Report

2025-01-18 12:41

Sample ID 240403-bhz2cabc3t
Target 9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118
SHA256 59202d95bbcb9a85624ae56b93adeecc94b476a0131fe4670b718439ae4da1c9
Tags
formbook dn7r rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

59202d95bbcb9a85624ae56b93adeecc94b476a0131fe4670b718439ae4da1c9

Threat Level: Known bad

The file 9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

formbook dn7r rat spyware stealer trojan

Formbook

Formbook payload

Loads dropped DLL

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

NSIS installer

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-03 01:09

Signatures

Unsigned PE

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

NSIS installer

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

Analysis: behavioral4

Detonation Overview

Submitted

2024-04-03 01:09

Reported

2024-04-03 01:12

Platform

win10v2004-20240226-en

Max time kernel

139s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sqxq.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5112 wrote to memory of 3800 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5112 wrote to memory of 3800 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5112 wrote to memory of 3800 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3800 wrote to memory of 1648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3800 wrote to memory of 1648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3800 wrote to memory of 1648 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sqxq.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sqxq.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sqxq.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3780 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 99.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 78.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 23.173.189.20.in-addr.arpa udp

Files

memory/3800-0-0x0000000075470000-0x000000007547A000-memory.dmp

memory/3800-1-0x0000000075470000-0x000000007547A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 01:09

Reported

2024-04-03 01:11

Platform

win7-20240221-en

Max time kernel

120s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1988 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe
PID 1988 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe
PID 1988 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe
PID 1988 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe
PID 1988 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe
PID 1988 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe
PID 1988 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe"

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\nsi39F5.tmp\sqxq.dll

MD5 3d2e7f16f238ac79b3d0e21a753ae79e
SHA1 ee53d37f5f1a86ddb7e1b6faa063d4afbabcf771
SHA256 afa62df6a2905e93ab1f59b5bd24856a88f735cd3930e7701a22a1988d3d475c
SHA512 e9764e730f2b3eea3d769649164a41f10b8e0be865e8a76ba65220b20d8b122bb6dad1a2be8b87fe861960eecfb11b9f836ac93d17fcb218c0201d6a17545ea5

memory/1988-7-0x0000000074380000-0x000000007438A000-memory.dmp

memory/3048-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1988-10-0x0000000074380000-0x000000007438A000-memory.dmp

memory/3048-12-0x0000000000700000-0x0000000000A03000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 01:09

Reported

2024-04-03 01:12

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9c05d1ae12cc58702c8a54ad739b9551_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 152.33.115.104.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 99.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 84.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsb7C36.tmp\sqxq.dll

MD5 3d2e7f16f238ac79b3d0e21a753ae79e
SHA1 ee53d37f5f1a86ddb7e1b6faa063d4afbabcf771
SHA256 afa62df6a2905e93ab1f59b5bd24856a88f735cd3930e7701a22a1988d3d475c
SHA512 e9764e730f2b3eea3d769649164a41f10b8e0be865e8a76ba65220b20d8b122bb6dad1a2be8b87fe861960eecfb11b9f836ac93d17fcb218c0201d6a17545ea5

memory/5084-5-0x0000000074A10000-0x0000000074A1A000-memory.dmp

memory/2680-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/5084-10-0x0000000074A10000-0x0000000074A1A000-memory.dmp

memory/2680-11-0x0000000000A60000-0x0000000000DAA000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-04-03 01:09

Reported

2024-04-03 01:12

Platform

win7-20240221-en

Max time kernel

148s

Max time network

121s

Command Line

C:\Windows\Explorer.EXE

Signatures

Formbook

trojan spyware stealer formbook

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2940 set thread context of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 928 set thread context of 1200 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\Explorer.EXE
PID 928 set thread context of 1200 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\Explorer.EXE
PID 2556 set thread context of 1200 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\Explorer.EXE

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1624 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1624 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1624 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1624 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1624 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1624 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1624 wrote to memory of 2940 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2940 wrote to memory of 928 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 928 wrote to memory of 2556 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\netsh.exe
PID 928 wrote to memory of 2556 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\netsh.exe
PID 928 wrote to memory of 2556 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\netsh.exe
PID 928 wrote to memory of 2556 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\netsh.exe
PID 2556 wrote to memory of 2716 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe
PID 2556 wrote to memory of 2716 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe
PID 2556 wrote to memory of 2716 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe
PID 2556 wrote to memory of 2716 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sqxq.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sqxq.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sqxq.dll,#1

C:\Windows\SysWOW64\netsh.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\rundll32.exe"

Network

N/A

Files

memory/2940-0-0x0000000075080000-0x000000007508A000-memory.dmp

memory/2940-1-0x0000000075070000-0x000000007507A000-memory.dmp

memory/2940-2-0x0000000075070000-0x000000007507A000-memory.dmp

memory/928-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2940-4-0x0000000075070000-0x000000007507A000-memory.dmp

memory/928-5-0x00000000022E0000-0x00000000025E3000-memory.dmp

memory/1200-9-0x0000000000320000-0x0000000000420000-memory.dmp

memory/928-8-0x0000000000240000-0x0000000000255000-memory.dmp

memory/928-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1200-10-0x0000000004DB0000-0x0000000004EE8000-memory.dmp

memory/928-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1200-14-0x0000000004DB0000-0x0000000004EE8000-memory.dmp

memory/928-13-0x00000000002D0000-0x00000000002E5000-memory.dmp

memory/1200-15-0x0000000004B80000-0x0000000004C6A000-memory.dmp

memory/2556-16-0x0000000001620000-0x000000000163B000-memory.dmp

memory/2556-17-0x0000000001620000-0x000000000163B000-memory.dmp

memory/2556-18-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/2556-19-0x0000000000C00000-0x0000000000F03000-memory.dmp

memory/2556-20-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/2556-21-0x0000000000AF0000-0x0000000000B84000-memory.dmp

memory/1200-22-0x0000000004B80000-0x0000000004C6A000-memory.dmp