formbook | c88f73c018114de3d922be96e50d9b4b2cd96bf9a8bbedc96eea6a858c4ea342

General

Target

Profoma Invoice _568432.exe
Size

527KB
MD5

054e0e3655b99a7bdf021829434d5ef0
SHA1

7b263ee8c787e893c776df4a97c3c1076e4d25cd
SHA256

27b5c6cd7f2f32176249bd457017b2fc1f021d49cd4b2699c49bf2f2519b60f9
SHA512

ed43f425c0d650869eb85c341584d60c2d479265bec770b370056a6ad3bc0828506d17706d248156e2ddc647431f899d49581f74cb267928fdc7c590c1b3cbde
SSDEEP

12288:rJSjhrSXUqnZ1olPw5YIMa1TrYRWjgnETy2ZRfW:tFX3foVw5XPnidETba

Score

10^/10

formbook g09e discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g09e

Decoy

flyinglarkgp.com

spiritsyncing.net

sushikreci.com

drssdup.com

mobileappsus.com

lvrcprbrisbane.com

nfjnwa.icu

ottenbruch.immo

strinosoft.com

portershoecollection.com

electriccarsus.com

lecai.icu

piplespnd.quest

talkrecords.com

lowcodeconnection.com

lastwagenfahrerjobshierorg.com

kpallman.com

dcrdr.com

chainalysisinfo.com

einayaa.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2596-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2596-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2876-22-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2960	svttgvela.exe
2596	svttgvela.exe

Loads dropped DLL 2 IoCs

pid	Process
584	Profoma Invoice _568432.exe
2960	svttgvela.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2960 set thread context of 2596	2960	svttgvela.exe	31
PID 2596 set thread context of 1364	2596	svttgvela.exe	21
PID 2876 set thread context of 1364	2876	wuapp.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	Profoma Invoice _568432.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svttgvela.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuapp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2596	svttgvela.exe
2596	svttgvela.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe
2876	wuapp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2596	svttgvela.exe
2596	svttgvela.exe
2596	svttgvela.exe
2876	wuapp.exe
2876	wuapp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	svttgvela.exe
Token: SeDebugPrivilege	2876	wuapp.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 584 wrote to memory of 2960	584	Profoma Invoice _568432.exe	29
PID 584 wrote to memory of 2960	584	Profoma Invoice _568432.exe	29
PID 584 wrote to memory of 2960	584	Profoma Invoice _568432.exe	29
PID 584 wrote to memory of 2960	584	Profoma Invoice _568432.exe	29
PID 2960 wrote to memory of 2596	2960	svttgvela.exe	31
PID 2960 wrote to memory of 2596	2960	svttgvela.exe	31
PID 2960 wrote to memory of 2596	2960	svttgvela.exe	31
PID 2960 wrote to memory of 2596	2960	svttgvela.exe	31
PID 2960 wrote to memory of 2596	2960	svttgvela.exe	31
PID 2960 wrote to memory of 2596	2960	svttgvela.exe	31
PID 2960 wrote to memory of 2596	2960	svttgvela.exe	31
PID 1364 wrote to memory of 2876	1364	Explorer.EXE	32
PID 1364 wrote to memory of 2876	1364	Explorer.EXE	32
PID 1364 wrote to memory of 2876	1364	Explorer.EXE	32
PID 1364 wrote to memory of 2876	1364	Explorer.EXE	32
PID 1364 wrote to memory of 2876	1364	Explorer.EXE	32
PID 1364 wrote to memory of 2876	1364	Explorer.EXE	32
PID 1364 wrote to memory of 2876	1364	Explorer.EXE	32
PID 2876 wrote to memory of 2860	2876	wuapp.exe	33
PID 2876 wrote to memory of 2860	2876	wuapp.exe	33
PID 2876 wrote to memory of 2860	2876	wuapp.exe	33
PID 2876 wrote to memory of 2860	2876	wuapp.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Users\Admin\AppData\Local\Temp\Profoma Invoice _568432.exe
  "C:\Users\Admin\AppData\Local\Temp\Profoma Invoice _568432.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:584
- - C:\Users\Admin\AppData\Local\Temp\svttgvela.exe
    C:\Users\Admin\AppData\Local\Temp\svttgvela.exe C:\Users\Admin\AppData\Local\Temp\oeyxqir
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2960
  - - C:\Users\Admin\AppData\Local\Temp\svttgvela.exe
      C:\Users\Admin\AppData\Local\Temp\svttgvela.exe C:\Users\Admin\AppData\Local\Temp\oeyxqir
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2596
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.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:2876
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\svttgvela.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

C:\Users\Admin\AppData\Local\Temp\6sif1tny9ip2gl

Filesize
211KB

MD5
5e5d5c45d6343c13672603095bcb3310

SHA1
767e85e7d68e1f2fc39eac3417dd8b011756ad6a

SHA256
6a9ae755ba7601f3bc33338f85c76b9c5c1c0f6710b96d01e6f70fdb7211e5f0

SHA512
7265cc8c92fddd5553e50ce2c04cd835e7a215816e3c53f6dccf103c91e27be0896fc6cbd45126cf55ca03d8da462f611048e265e87482ba432b9b980afdb419

Download Submit
C:\Users\Admin\AppData\Local\Temp\oeyxqir

Filesize
5KB

MD5
571af5ca739d87a859f150f9b4894057

SHA1
905165fbeb2cf556877e3050fc9bfe42081abd20

SHA256
0d6a046a8ebb8623da63e94b3792d213c19ff8545d00bee2425b7ef2ba7f515c

SHA512
6dc654355195ecc6d88bc13b0c9276d486459139f0c6aa1476f30d0466329bcdcc3ab34999adfc671564fc92fc0208f351712f86856518b9884d7c3e004f5aea

Download Submit
\Users\Admin\AppData\Local\Temp\svttgvela.exe

Filesize
118KB

MD5
c627aca7ccf84f92622c5f83da4190ba

SHA1
83d7c0310e6e6c97cbdfea8fc0cbd2fee697fb5e

SHA256
4c166ca71399d8dd2cc895d0892dbf28ea2b5d883b6e310be7db76cf2d16066b

SHA512
465504c77cad06a7047e25aef1b5e351aff88bfea46cb848dc391e782d8c7f535be9379475645264574fe34f302a4d08ac92c801a568b54dd92cc63158cbb3bc

Download Submit
memory/1364-17-0x00000000074B0000-0x0000000007618000-memory.dmp

Filesize
1.4MB

Download
memory/1364-23-0x00000000074B0000-0x0000000007618000-memory.dmp

Filesize
1.4MB

Download
memory/1364-28-0x0000000004E40000-0x0000000004F14000-memory.dmp

Filesize
848KB

Download
memory/1364-29-0x0000000004E40000-0x0000000004F14000-memory.dmp

Filesize
848KB

Download
memory/1364-31-0x0000000004E40000-0x0000000004F14000-memory.dmp

Filesize
848KB

Download
memory/2596-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2596-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2876-21-0x0000000000E10000-0x0000000000E1B000-memory.dmp

Filesize
44KB

Download
memory/2876-20-0x0000000000E10000-0x0000000000E1B000-memory.dmp

Filesize
44KB

Download
memory/2876-22-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2960-9-0x0000000000250000-0x0000000000252000-memory.dmp

Filesize
8KB

Download

Analysis

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