formbook | 31a702cd5ff00baefbeb5f301ca3015587a099b0046939cc3d1e8cd553eb3147

General

Target

P.O.exe
Size

556KB
MD5

283809f80d5c24b3eb3e917a5b3c4c53
SHA1

1da1a8aec833aaa560e50170407f4d371b9cbca9
SHA256

31a702cd5ff00baefbeb5f301ca3015587a099b0046939cc3d1e8cd553eb3147
SHA512

792a0adcaefdb0e5bec5e820f1070bbd5235f1407638dc8365f56592a5947fd1c38d74ddd2d6fe29dab9e1d171ccee26638b10e4157e01304da228da7a162e2b
SSDEEP

12288:QgUSUpCEg1GSbvTOfkeepuEAewOlCXwxYsGpSuMDKaqfr2:Q+Q7g117O8FwEAeFlf8haN

Score

10^/10

formbook c24t discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

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/2352-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2352-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2352-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2800-29-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
852	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1756 set thread context of 2352	1756	P.O.exe	31
PID 2352 set thread context of 1236	2352	P.O.exe	20
PID 2352 set thread context of 1236	2352	P.O.exe	20
PID 2800 set thread context of 1236	2800	msdt.exe	20

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	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	P.O.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1756	P.O.exe
1756	P.O.exe
2352	P.O.exe
2352	P.O.exe
2352	P.O.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe
2800	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2352	P.O.exe
2352	P.O.exe
2352	P.O.exe
2352	P.O.exe
2800	msdt.exe
2800	msdt.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	P.O.exe
Token: SeDebugPrivilege	2352	P.O.exe
Token: SeDebugPrivilege	2800	msdt.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2420	1756	P.O.exe	29
PID 1756 wrote to memory of 2420	1756	P.O.exe	29
PID 1756 wrote to memory of 2420	1756	P.O.exe	29
PID 1756 wrote to memory of 2420	1756	P.O.exe	29
PID 1756 wrote to memory of 1796	1756	P.O.exe	30
PID 1756 wrote to memory of 1796	1756	P.O.exe	30
PID 1756 wrote to memory of 1796	1756	P.O.exe	30
PID 1756 wrote to memory of 1796	1756	P.O.exe	30
PID 1756 wrote to memory of 2352	1756	P.O.exe	31
PID 1756 wrote to memory of 2352	1756	P.O.exe	31
PID 1756 wrote to memory of 2352	1756	P.O.exe	31
PID 1756 wrote to memory of 2352	1756	P.O.exe	31
PID 1756 wrote to memory of 2352	1756	P.O.exe	31
PID 1756 wrote to memory of 2352	1756	P.O.exe	31
PID 1756 wrote to memory of 2352	1756	P.O.exe	31
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	32
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	32
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	32
PID 1236 wrote to memory of 2800	1236	Explorer.EXE	32
PID 2800 wrote to memory of 852	2800	msdt.exe	33
PID 2800 wrote to memory of 852	2800	msdt.exe	33
PID 2800 wrote to memory of 852	2800	msdt.exe	33
PID 2800 wrote to memory of 852	2800	msdt.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\P.O.exe
  "C:\Users\Admin\AppData\Local\Temp\P.O.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Users\Admin\AppData\Local\Temp\P.O.exe
    "C:\Users\Admin\AppData\Local\Temp\P.O.exe"
    3⤵
    PID:2420
- - C:\Users\Admin\AppData\Local\Temp\P.O.exe
    "C:\Users\Admin\AppData\Local\Temp\P.O.exe"
    3⤵
    PID:1796
- - C:\Users\Admin\AppData\Local\Temp\P.O.exe
    "C:\Users\Admin\AppData\Local\Temp\P.O.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2352
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:2800
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\P.O.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:852

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/1236-19-0x0000000003FC0000-0x00000000040C0000-memory.dmp

Filesize
1024KB

Download
memory/1236-30-0x00000000073B0000-0x00000000074C3000-memory.dmp

Filesize
1.1MB

Download
memory/1236-24-0x0000000004E90000-0x0000000004F49000-memory.dmp

Filesize
740KB

Download
memory/1236-25-0x00000000073B0000-0x00000000074C3000-memory.dmp

Filesize
1.1MB

Download
memory/1236-20-0x0000000004E90000-0x0000000004F49000-memory.dmp

Filesize
740KB

Download
memory/1756-6-0x0000000002070000-0x00000000020E6000-memory.dmp

Filesize
472KB

Download
memory/1756-5-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/1756-1-0x0000000000190000-0x0000000000222000-memory.dmp

Filesize
584KB

Download
memory/1756-2-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/1756-3-0x0000000000430000-0x0000000000442000-memory.dmp

Filesize
72KB

Download
memory/1756-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1756-14-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/1756-4-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2352-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-18-0x0000000000230000-0x0000000000244000-memory.dmp

Filesize
80KB

Download
memory/2352-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-15-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/2352-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2352-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-23-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/2352-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2800-26-0x0000000000B70000-0x0000000000C64000-memory.dmp

Filesize
976KB

Download
memory/2800-28-0x0000000000B70000-0x0000000000C64000-memory.dmp

Filesize
976KB

Download
memory/2800-29-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download

Analysis

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