formbook | c96ce31686a4107af25093cd0db96fc4749c7741c7f324ca7b7220f00f951419

General

Target

Equipment Order PDF.exe
Size

635KB
MD5

b1153a5e677a218b7ee73a0b1e6573d4
SHA1

3d0e644bcdf9d5d535494c8e96d6713285975273
SHA256

dfd901c6a7557a020e384e1dd79ac634af24df3708c4b6c6e6e0cdb1b5aa93be
SHA512

68660abb06cc97cb6306b1dbd802f020a1d6fd8dad470b77c8f2842194708d25a4c47baa7e7fceaedd097b1dbf28b22fe0a30acab8c8d8e342d1b8649eabdf13
SSDEEP

12288:Q3wqLZcF9YvYrhclfn9Dkm7JqehWAY7uH:4PLZo2vYrhcfDkm1g6H

Score

10^/10

formbook sn2a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sn2a

Decoy

poczetkohina.xyz

themetaversehealthshoppe.com

herbarmonia.com

artifyjapan.com

wizeconcentrates.com

sewtf.com

astroturismolaestacion.com

catrinawilliamsphotography.com

healthroll.net

thefamoustee.com

agrabytes.com

confrontingantiblackracism.mobi

firstratebriefto-viewtoday.info

flooadgfrfactors.com

moodteach.com

rypxhbenef.sbs

metaera.store

jaliscofilatelico.com

bellamiscream.com

server873.online

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2604-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2604-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2604-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2204-24-0x0000000000090000-0x00000000000BF000-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
888	powershell.exe

Deletes itself 1 IoCs

pid	Process
2096	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2604	2232	Equipment Order PDF.exe	32
PID 2604 set thread context of 1208	2604	Equipment Order PDF.exe	21
PID 2604 set thread context of 1208	2604	Equipment Order PDF.exe	21
PID 2204 set thread context of 1208	2204	cmstp.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	Equipment Order PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2604	Equipment Order PDF.exe
2604	Equipment Order PDF.exe
888	powershell.exe
2604	Equipment Order PDF.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe
2204	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2604	Equipment Order PDF.exe
2604	Equipment Order PDF.exe
2604	Equipment Order PDF.exe
2604	Equipment Order PDF.exe
2204	cmstp.exe
2204	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	Equipment Order PDF.exe
Token: SeDebugPrivilege	888	powershell.exe
Token: SeDebugPrivilege	2204	cmstp.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 888	2232	Equipment Order PDF.exe	30
PID 2232 wrote to memory of 888	2232	Equipment Order PDF.exe	30
PID 2232 wrote to memory of 888	2232	Equipment Order PDF.exe	30
PID 2232 wrote to memory of 888	2232	Equipment Order PDF.exe	30
PID 2232 wrote to memory of 2604	2232	Equipment Order PDF.exe	32
PID 2232 wrote to memory of 2604	2232	Equipment Order PDF.exe	32
PID 2232 wrote to memory of 2604	2232	Equipment Order PDF.exe	32
PID 2232 wrote to memory of 2604	2232	Equipment Order PDF.exe	32
PID 2232 wrote to memory of 2604	2232	Equipment Order PDF.exe	32
PID 2232 wrote to memory of 2604	2232	Equipment Order PDF.exe	32
PID 2232 wrote to memory of 2604	2232	Equipment Order PDF.exe	32
PID 1208 wrote to memory of 2204	1208	Explorer.EXE	33
PID 1208 wrote to memory of 2204	1208	Explorer.EXE	33
PID 1208 wrote to memory of 2204	1208	Explorer.EXE	33
PID 1208 wrote to memory of 2204	1208	Explorer.EXE	33
PID 1208 wrote to memory of 2204	1208	Explorer.EXE	33
PID 1208 wrote to memory of 2204	1208	Explorer.EXE	33
PID 1208 wrote to memory of 2204	1208	Explorer.EXE	33
PID 2204 wrote to memory of 2096	2204	cmstp.exe	34
PID 2204 wrote to memory of 2096	2204	cmstp.exe	34
PID 2204 wrote to memory of 2096	2204	cmstp.exe	34
PID 2204 wrote to memory of 2096	2204	cmstp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\Equipment Order PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\Equipment Order PDF.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2232
- - 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\Equipment Order PDF.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:888
- - C:\Users\Admin\AppData\Local\Temp\Equipment Order PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Equipment Order PDF.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2604
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2204
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Equipment Order PDF.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2096

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/1208-17-0x00000000042F0000-0x00000000043EC000-memory.dmp

Filesize
1008KB

Download
memory/1208-21-0x00000000042F0000-0x00000000043EC000-memory.dmp

Filesize
1008KB

Download
memory/2204-24-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2204-23-0x0000000000240000-0x0000000000258000-memory.dmp

Filesize
96KB

Download
memory/2232-5-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2232-4-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/2232-6-0x0000000004AC0000-0x0000000004B28000-memory.dmp

Filesize
416KB

Download
memory/2232-1-0x0000000000DC0000-0x0000000000E64000-memory.dmp

Filesize
656KB

Download
memory/2232-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/2232-2-0x0000000000480000-0x000000000048C000-memory.dmp

Filesize
48KB

Download
memory/2232-3-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2232-12-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-16-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/2604-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-13-0x0000000000A60000-0x0000000000D63000-memory.dmp

Filesize
3.0MB

Download
memory/2604-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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