formbook | 0318fac012cb6517f70ca7ff5553cf59faba507b0f65936350c5450de62a2adf

Analysis

max time kernel
150s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 03:49

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General

Target

LVThgpHFRmrdHY0.exe
Size

611KB
MD5

509cdfecf3cf6fe8d3def69f6c64e9de
SHA1

d2b20716d3b7601506fb31551d5f235a117d4277
SHA256

c601518d243a95bd69059eee0bd30095ecd0bc33f2ffce671b695145429913b1
SHA512

c93a06b7df80ac9896bf40bacce1d64036a4d5ace3ef94fb456c4f5c7df98fecb8bfde421bb95c2e2f57552ce5349d6f243f5e521dfffe7374ebb47dddc5f233
SSDEEP

12288:YP7kvDoQ7+M+fjf+oH3bMyuhVAJ2LsBwaUJ/H1S0DM:YPonR+fj2bpVA4B+0I

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

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
behavioral2/memory/2280-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2280-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2280-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1344-27-0x0000000001070000-0x000000000109F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 744 set thread context of 2280	744	LVThgpHFRmrdHY0.exe	87
PID 2280 set thread context of 3380	2280	LVThgpHFRmrdHY0.exe	56
PID 2280 set thread context of 3380	2280	LVThgpHFRmrdHY0.exe	56
PID 1344 set thread context of 3380	1344	mstsc.exe	56

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	LVThgpHFRmrdHY0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
744	LVThgpHFRmrdHY0.exe
744	LVThgpHFRmrdHY0.exe
2280	LVThgpHFRmrdHY0.exe
2280	LVThgpHFRmrdHY0.exe
2280	LVThgpHFRmrdHY0.exe
2280	LVThgpHFRmrdHY0.exe
2280	LVThgpHFRmrdHY0.exe
2280	LVThgpHFRmrdHY0.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe
1344	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2280	LVThgpHFRmrdHY0.exe
2280	LVThgpHFRmrdHY0.exe
2280	LVThgpHFRmrdHY0.exe
2280	LVThgpHFRmrdHY0.exe
1344	mstsc.exe
1344	mstsc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	744	LVThgpHFRmrdHY0.exe
Token: SeDebugPrivilege	2280	LVThgpHFRmrdHY0.exe
Token: SeDebugPrivilege	1344	mstsc.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3380	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 2280	744	LVThgpHFRmrdHY0.exe	87
PID 744 wrote to memory of 2280	744	LVThgpHFRmrdHY0.exe	87
PID 744 wrote to memory of 2280	744	LVThgpHFRmrdHY0.exe	87
PID 744 wrote to memory of 2280	744	LVThgpHFRmrdHY0.exe	87
PID 744 wrote to memory of 2280	744	LVThgpHFRmrdHY0.exe	87
PID 744 wrote to memory of 2280	744	LVThgpHFRmrdHY0.exe	87
PID 3380 wrote to memory of 1344	3380	Explorer.EXE	92
PID 3380 wrote to memory of 1344	3380	Explorer.EXE	92
PID 3380 wrote to memory of 1344	3380	Explorer.EXE	92
PID 1344 wrote to memory of 4596	1344	mstsc.exe	94
PID 1344 wrote to memory of 4596	1344	mstsc.exe	94
PID 1344 wrote to memory of 4596	1344	mstsc.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Users\Admin\AppData\Local\Temp\LVThgpHFRmrdHY0.exe
  "C:\Users\Admin\AppData\Local\Temp\LVThgpHFRmrdHY0.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:744
- - C:\Users\Admin\AppData\Local\Temp\LVThgpHFRmrdHY0.exe
    "C:\Users\Admin\AppData\Local\Temp\LVThgpHFRmrdHY0.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2280
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:1344
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\LVThgpHFRmrdHY0.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/744-13-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/744-7-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/744-2-0x0000000005C70000-0x0000000006214000-memory.dmp

Filesize
5.6MB

Download
memory/744-3-0x0000000005760000-0x00000000057F2000-memory.dmp

Filesize
584KB

Download
memory/744-4-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/744-5-0x0000000005700000-0x000000000570A000-memory.dmp

Filesize
40KB

Download
memory/744-6-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/744-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

Filesize
4KB

Download
memory/744-8-0x0000000074B30000-0x00000000752E0000-memory.dmp

Filesize
7.7MB

Download
memory/744-9-0x0000000006C10000-0x0000000006C86000-memory.dmp

Filesize
472KB

Download
memory/744-10-0x00000000093B0000-0x000000000944C000-memory.dmp

Filesize
624KB

Download
memory/744-1-0x0000000000C60000-0x0000000000CFE000-memory.dmp

Filesize
632KB

Download
memory/1344-27-0x0000000001070000-0x000000000109F000-memory.dmp

Filesize
188KB

Download
memory/1344-26-0x00000000004A0000-0x00000000005DA000-memory.dmp

Filesize
1.2MB

Download
memory/1344-24-0x00000000004A0000-0x00000000005DA000-memory.dmp

Filesize
1.2MB

Download
memory/2280-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2280-21-0x0000000001A60000-0x0000000001A74000-memory.dmp

Filesize
80KB

Download
memory/2280-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2280-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2280-17-0x0000000001590000-0x00000000015A4000-memory.dmp

Filesize
80KB

Download
memory/2280-14-0x0000000001AA0000-0x0000000001DEA000-memory.dmp

Filesize
3.3MB

Download
memory/3380-18-0x0000000008300000-0x0000000008406000-memory.dmp

Filesize
1.0MB

Download
memory/3380-22-0x0000000008410000-0x0000000008554000-memory.dmp

Filesize
1.3MB

Download
memory/3380-23-0x0000000008300000-0x0000000008406000-memory.dmp

Filesize
1.0MB

Download
memory/3380-28-0x0000000008410000-0x0000000008554000-memory.dmp

Filesize
1.3MB

Download
memory/3380-30-0x0000000008560000-0x000000000865D000-memory.dmp

Filesize
1012KB

Download
memory/3380-31-0x0000000008560000-0x000000000865D000-memory.dmp

Filesize
1012KB

Download