formbook | be332dbd8e08a4dd3e74b79814ef5a9d3d141a9f16809b78c0775b1b75255727

General

Target

Attendance Salary- March 2025_pdf.exe
Size

1.0MB
MD5

e740d48a80acb9e1dc9d6db2a5168cdd
SHA1

347bae9058c0d16d1708c53e692ffcc114d2fa9f
SHA256

3b5e784be046225a8aa044b751ab7ddc4ec59eb00104f2e9a8b0f47ce039ec2b
SHA512

f86bec3d723ab614ff1db85d92d50420b4b3f6f23297b95e9c42a416691321fc18ea0e6bbbc56fc45cc63b03e8c60b0428a2edaf9b87fdeeda9960a47fb0cfb7
SSDEEP

24576:1u6J33O0c+JY5UZ+XC0kGso6FajFZwAfu/41v1IWY:Xu0c++OCvkGs9FajFZpfu/4TY

Score

10^/10

formbook sa38 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sa38

Decoy

nguinal-hernia-933151178.click

oodfate.pics

aurafood.shop

esolved.lol

iuif.xyz

opguess.xyz

ocesempremelhor.fun

co2020.net

lotek.club

oshy.tech

heck-buy1101.shop

ooltoken.xyz

ountrywordlick.lifestyle

edical-services-90443.bond

cats.computer

ast-news.net

oroscope-prediction2.today

eb3coin.club

estaccom.net

ali8886.net

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/2596-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2596-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2596-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2108-25-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2416 set thread context of 2596	2416	Attendance Salary- March 2025_pdf.exe	30
PID 2596 set thread context of 1208	2596	svchost.exe	21
PID 2596 set thread context of 1208	2596	svchost.exe	21
PID 2108 set thread context of 1208	2108	mstsc.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	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Attendance Salary- March 2025_pdf.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2596	svchost.exe
2596	svchost.exe
2596	svchost.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe
2108	mstsc.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2416	Attendance Salary- March 2025_pdf.exe
2596	svchost.exe
2596	svchost.exe
2596	svchost.exe
2596	svchost.exe
2108	mstsc.exe
2108	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	svchost.exe
Token: SeDebugPrivilege	2108	mstsc.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2416	Attendance Salary- March 2025_pdf.exe
2416	Attendance Salary- March 2025_pdf.exe
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2416	Attendance Salary- March 2025_pdf.exe
2416	Attendance Salary- March 2025_pdf.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2596	2416	Attendance Salary- March 2025_pdf.exe	30
PID 2416 wrote to memory of 2596	2416	Attendance Salary- March 2025_pdf.exe	30
PID 2416 wrote to memory of 2596	2416	Attendance Salary- March 2025_pdf.exe	30
PID 2416 wrote to memory of 2596	2416	Attendance Salary- March 2025_pdf.exe	30
PID 2416 wrote to memory of 2596	2416	Attendance Salary- March 2025_pdf.exe	30
PID 1208 wrote to memory of 2108	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2108	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2108	1208	Explorer.EXE	31
PID 1208 wrote to memory of 2108	1208	Explorer.EXE	31
PID 2108 wrote to memory of 1932	2108	mstsc.exe	32
PID 2108 wrote to memory of 1932	2108	mstsc.exe	32
PID 2108 wrote to memory of 1932	2108	mstsc.exe	32
PID 2108 wrote to memory of 1932	2108	mstsc.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\Attendance Salary- March 2025_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Attendance Salary- March 2025_pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Attendance Salary- March 2025_pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2596
- 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:2108
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1932

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1208-34-0x0000000006610000-0x000000000670F000-memory.dmp

Filesize
1020KB

Download
memory/1208-33-0x0000000006610000-0x000000000670F000-memory.dmp

Filesize
1020KB

Download
memory/1208-31-0x0000000006610000-0x000000000670F000-memory.dmp

Filesize
1020KB

Download
memory/1208-16-0x0000000004400000-0x00000000044C9000-memory.dmp

Filesize
804KB

Download
memory/1208-21-0x0000000006360000-0x0000000006496000-memory.dmp

Filesize
1.2MB

Download
memory/1208-20-0x0000000004400000-0x00000000044C9000-memory.dmp

Filesize
804KB

Download
memory/1208-26-0x0000000006360000-0x0000000006496000-memory.dmp

Filesize
1.2MB

Download
memory/2108-24-0x00000000009F0000-0x0000000000AF4000-memory.dmp

Filesize
1.0MB

Download
memory/2108-25-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2108-22-0x00000000009F0000-0x0000000000AF4000-memory.dmp

Filesize
1.0MB

Download
memory/2416-10-0x0000000000260000-0x0000000000264000-memory.dmp

Filesize
16KB

Download
memory/2596-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2596-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2596-19-0x0000000000290000-0x00000000002A4000-memory.dmp

Filesize
80KB

Download
memory/2596-15-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/2596-12-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2596-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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