formbook | 586705def5c28891fa8fd49e9e442bd119f2a2522eff11c15613ffcc31c5d446

General

Target

Shipping doc.exe
Size

1.1MB
MD5

57406a428a9cafdc12c7daedd31174c9
SHA1

7ff8556bbee4dd276f9c098b433c418d61ab1ea1
SHA256

586705def5c28891fa8fd49e9e442bd119f2a2522eff11c15613ffcc31c5d446
SHA512

88895c3d3fd5202358142a83de1858b51f78783e5aca4d549d7c3a6c764ab5e6d2dfb6108b5709d37bce6623952bf0e5ce571274935b3f504ed47d5e97e35ba0
SSDEEP

24576:sqDEvCTbMWu7rQYlBQcBiT6rprG8anl5LntsDUlln2:sTvC/MTQYxsWR7anTLnts2l

Score

10^/10

formbook ph01 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ph01

Decoy

23888.sbs

zvcj.sbs

raitpourtrait.net

ibraryfarmclub.online

omputercourses123.live

j88.doctor

atsue-color.click

epitalrentgrup.online

rvvpn.lol

i-signals.tech

cr-phoenix.best

frican-safari.online

c-games.zone

oardetest.online

f4md.shop

uke-saaac.buzz

arze.dev

nvestment-services-49610.bond

izatrip.sbs

ameron-paaaa.buzz

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2372-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2372-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2372-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2756-25-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1508 set thread context of 2372	1508	Shipping doc.exe	30
PID 2372 set thread context of 1208	2372	svchost.exe	21
PID 2372 set thread context of 1208	2372	svchost.exe	21
PID 2756 set thread context of 1208	2756	svchost.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Shipping doc.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1508	Shipping doc.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2372	svchost.exe
2372	svchost.exe
2372	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe
2756	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1508	Shipping doc.exe
2372	svchost.exe
2372	svchost.exe
2372	svchost.exe
2372	svchost.exe
2756	svchost.exe
2756	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	svchost.exe
Token: SeDebugPrivilege	2756	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1508	Shipping doc.exe
1508	Shipping doc.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1508	Shipping doc.exe
1508	Shipping doc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2372	1508	Shipping doc.exe	30
PID 1508 wrote to memory of 2372	1508	Shipping doc.exe	30
PID 1508 wrote to memory of 2372	1508	Shipping doc.exe	30
PID 1508 wrote to memory of 2372	1508	Shipping doc.exe	30
PID 1508 wrote to memory of 2372	1508	Shipping doc.exe	30
PID 1208 wrote to memory of 2756	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2756	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2756	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2756	1208	Explorer.EXE	31
PID 2756 wrote to memory of 2740	2756	svchost.exe	33
PID 2756 wrote to memory of 2740	2756	svchost.exe	33
PID 2756 wrote to memory of 2740	2756	svchost.exe	33
PID 2756 wrote to memory of 2740	2756	svchost.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\Shipping doc.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping doc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1508
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping doc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2372
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2756
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1208-22-0x0000000006D60000-0x0000000006E52000-memory.dmp

Filesize
968KB

Download
memory/1208-34-0x0000000007040000-0x0000000007119000-memory.dmp

Filesize
868KB

Download
memory/1208-33-0x0000000007040000-0x0000000007119000-memory.dmp

Filesize
868KB

Download
memory/1208-31-0x0000000007040000-0x0000000007119000-memory.dmp

Filesize
868KB

Download
memory/1208-28-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1208-17-0x0000000006C40000-0x0000000006D5F000-memory.dmp

Filesize
1.1MB

Download
memory/1208-26-0x0000000006D60000-0x0000000006E52000-memory.dmp

Filesize
968KB

Download
memory/1208-21-0x0000000006C40000-0x0000000006D5F000-memory.dmp

Filesize
1.1MB

Download
memory/1508-11-0x00000000001A0000-0x00000000001A4000-memory.dmp

Filesize
16KB

Download
memory/2372-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2372-20-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/2372-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2372-16-0x0000000000110000-0x0000000000124000-memory.dmp

Filesize
80KB

Download
memory/2372-13-0x0000000000900000-0x0000000000C03000-memory.dmp

Filesize
3.0MB

Download
memory/2372-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-23-0x0000000000140000-0x0000000000148000-memory.dmp

Filesize
32KB

Download
memory/2756-24-0x0000000000140000-0x0000000000148000-memory.dmp

Filesize
32KB

Download
memory/2756-25-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download

Analysis

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