formbook | 7fb1caac122f0f3640e234a54256f2a97b44bdd0881124191c352c7e797b7dc2

General

Target

Kommerzielle Bestellung.pdf (2).exe
Size

678KB
MD5

faff8c18f098abe5b164c71391975ea0
SHA1

9c009fe9d80e397e1d4198fabf8939db199098e0
SHA256

7fb1caac122f0f3640e234a54256f2a97b44bdd0881124191c352c7e797b7dc2
SHA512

feb01db87d4603825ea825a090a513fc68bf06652ca7956979de1b2d4722bddd4a72b73850f1207006a0532fbca920dcac5d0a191120de9b4dc6ed30e5fabae6
SSDEEP

12288:V9isCwgqaVouV6KIEmxldpl1OsTOMofvDb0fo//KI4lMAj+SGnfo:V9jC/qaSucKI/h/OPfrb0+/KplMAjvGn

Score

10^/10

formbook rn10 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rn10

Decoy

kedai168et.com

mental-olympics.com

pussybuildsstrongbones.net

857691.shop

hisellers.net

exposurecophotography.com

beaded-boutique.net

wednesdayholdings.com

plesacv.xyz

manonlineros.com

a0204.shop

333689g.com

dyprl716h.xyz

pulseirabet.com

fnet.work

bo-2024-001-v1-d1.xyz

ongaurdsecurity.com

giulianacristini.com

miladamani.com

magicalrealmshopkeeper.online

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2764-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2764-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2672-24-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2784	powershell.exe

Deletes itself 1 IoCs

pid	Process
2564	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 800 set thread context of 2764	800	Kommerzielle Bestellung.pdf (2).exe	30
PID 2764 set thread context of 1212	2764	Kommerzielle Bestellung.pdf (2).exe	21
PID 2672 set thread context of 1212	2672	systray.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Kommerzielle Bestellung.pdf (2).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2764	Kommerzielle Bestellung.pdf (2).exe
2764	Kommerzielle Bestellung.pdf (2).exe
2784	powershell.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe
2672	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2764	Kommerzielle Bestellung.pdf (2).exe
2764	Kommerzielle Bestellung.pdf (2).exe
2764	Kommerzielle Bestellung.pdf (2).exe
2672	systray.exe
2672	systray.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	Kommerzielle Bestellung.pdf (2).exe
Token: SeDebugPrivilege	2784	powershell.exe
Token: SeDebugPrivilege	2672	systray.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 2784	800	Kommerzielle Bestellung.pdf (2).exe	28
PID 800 wrote to memory of 2784	800	Kommerzielle Bestellung.pdf (2).exe	28
PID 800 wrote to memory of 2784	800	Kommerzielle Bestellung.pdf (2).exe	28
PID 800 wrote to memory of 2784	800	Kommerzielle Bestellung.pdf (2).exe	28
PID 800 wrote to memory of 2764	800	Kommerzielle Bestellung.pdf (2).exe	30
PID 800 wrote to memory of 2764	800	Kommerzielle Bestellung.pdf (2).exe	30
PID 800 wrote to memory of 2764	800	Kommerzielle Bestellung.pdf (2).exe	30
PID 800 wrote to memory of 2764	800	Kommerzielle Bestellung.pdf (2).exe	30
PID 800 wrote to memory of 2764	800	Kommerzielle Bestellung.pdf (2).exe	30
PID 800 wrote to memory of 2764	800	Kommerzielle Bestellung.pdf (2).exe	30
PID 800 wrote to memory of 2764	800	Kommerzielle Bestellung.pdf (2).exe	30
PID 1212 wrote to memory of 2672	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2672	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2672	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2672	1212	Explorer.EXE	31
PID 2672 wrote to memory of 2564	2672	systray.exe	32
PID 2672 wrote to memory of 2564	2672	systray.exe	32
PID 2672 wrote to memory of 2564	2672	systray.exe	32
PID 2672 wrote to memory of 2564	2672	systray.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\Kommerzielle Bestellung.pdf (2).exe
  "C:\Users\Admin\AppData\Local\Temp\Kommerzielle Bestellung.pdf (2).exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:800
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Kommerzielle Bestellung.pdf (2).exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2784
- - C:\Users\Admin\AppData\Local\Temp\Kommerzielle Bestellung.pdf (2).exe
    "C:\Users\Admin\AppData\Local\Temp\Kommerzielle Bestellung.pdf (2).exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2764
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Kommerzielle Bestellung.pdf (2).exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/800-6-0x0000000000580000-0x0000000000590000-memory.dmp

Filesize
64KB

Download
memory/800-1-0x0000000001240000-0x00000000012F0000-memory.dmp

Filesize
704KB

Download
memory/800-2-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/800-3-0x0000000000570000-0x0000000000582000-memory.dmp

Filesize
72KB

Download
memory/800-4-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/800-5-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/800-22-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/800-7-0x0000000004BB0000-0x0000000004C26000-memory.dmp

Filesize
472KB

Download
memory/800-0-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/1212-25-0x0000000004D90000-0x0000000004F25000-memory.dmp

Filesize
1.6MB

Download
memory/1212-19-0x0000000004D90000-0x0000000004F25000-memory.dmp

Filesize
1.6MB

Download
memory/2672-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2672-23-0x0000000000770000-0x0000000000775000-memory.dmp

Filesize
20KB

Download
memory/2764-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-16-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download
memory/2764-18-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/2764-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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