formbook | cf33cf1b99aec2e58ebff495b327734f9d444884af6846ea086c210bd4ee2623

Analysis

max time kernel
153s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
15/11/2023, 07:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Shipment Document BL,INV and packing list.jpg.exe
Size

313KB
MD5

e344bda7899df6fb9d12560254d07a13
SHA1

5d3e07d0d41fd3e16d4f9cde32362120e5f2c8a2
SHA256

cf33cf1b99aec2e58ebff495b327734f9d444884af6846ea086c210bd4ee2623
SHA512

dc6a4fecfd1b4ab873c3ef5d150e2b3c48f891535a989832b16841db652e664b31f111f05f6cd02f7313e9e72bdd963d603796bb570c0297bda93954f97d8275
SSDEEP

6144:wBlL/9pMUHq5ivHw521qti+5WmKasPxo9Rge/LAx9EUEgno9TF0KB:C/+UHq5mSDBK3a9GY8EUFnQF/B

Score

10^/10

formbook fs35 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fs35

Decoy

latechdz.com

sdp-ploce.com

ss203.site

sm6yuy.net

needstothink.com

heginstwp.com

blueplumespirit.com

vemconferirshop.click

yorent-auto.com

eleononaly.com

medicalspacelocators.com

7law.info

imacanberra.online

bbtyss.top

onlyanfans.com

varenty.com

fappies.shop

313865.com

hongpools.com

babkacuisine.xyz

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/4900-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4900-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2884-18-0x0000000000740000-0x000000000076F000-memory.dmp	formbook
behavioral2/memory/2884-20-0x0000000000740000-0x000000000076F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
3844	inqvcprugn.exe
4900	inqvcprugn.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3844 set thread context of 4900	3844	inqvcprugn.exe	94
PID 4900 set thread context of 3220	4900	inqvcprugn.exe	25
PID 2884 set thread context of 3220	2884	NETSTAT.EXE	25

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2884	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
4900	inqvcprugn.exe
4900	inqvcprugn.exe
4900	inqvcprugn.exe
4900	inqvcprugn.exe
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3220	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3844	inqvcprugn.exe
4900	inqvcprugn.exe
4900	inqvcprugn.exe
4900	inqvcprugn.exe
2884	NETSTAT.EXE
2884	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4900	inqvcprugn.exe
Token: SeDebugPrivilege	2884	NETSTAT.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3220	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 3844	2424	Shipment Document BL,INV and packing list.jpg.exe	92
PID 2424 wrote to memory of 3844	2424	Shipment Document BL,INV and packing list.jpg.exe	92
PID 2424 wrote to memory of 3844	2424	Shipment Document BL,INV and packing list.jpg.exe	92
PID 3844 wrote to memory of 4900	3844	inqvcprugn.exe	94
PID 3844 wrote to memory of 4900	3844	inqvcprugn.exe	94
PID 3844 wrote to memory of 4900	3844	inqvcprugn.exe	94
PID 3844 wrote to memory of 4900	3844	inqvcprugn.exe	94
PID 3220 wrote to memory of 2884	3220	Explorer.EXE	95
PID 3220 wrote to memory of 2884	3220	Explorer.EXE	95
PID 3220 wrote to memory of 2884	3220	Explorer.EXE	95
PID 2884 wrote to memory of 3092	2884	NETSTAT.EXE	98
PID 2884 wrote to memory of 3092	2884	NETSTAT.EXE	98
PID 2884 wrote to memory of 3092	2884	NETSTAT.EXE	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.jpg.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.jpg.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Users\Admin\AppData\Local\Temp\inqvcprugn.exe
    "C:\Users\Admin\AppData\Local\Temp\inqvcprugn.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:3844
  - - C:\Users\Admin\AppData\Local\Temp\inqvcprugn.exe
      "C:\Users\Admin\AppData\Local\Temp\inqvcprugn.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:4900
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\inqvcprugn.exe"
    3⤵
    PID:3092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\gehhylbdaan.qpl

Filesize
205KB

MD5
54598fba341bf3d7b667f9802011ec08

SHA1
8a9e86b6a131d9d448e34de95aace8dbb8e1841e

SHA256
68ca85e11e70857f5f3a327fd4505d59d912f73298bdc4506d394a7bfac80571

SHA512
c2de01b486353880cf6f5e2bd5e6eba6374f02660c135a15d5e0c186f9f1c9c3286aebf834e30784f5cf08804afa4d06b0b61003f056fbcd0b345e85a5165c9c

Download Submit
C:\Users\Admin\AppData\Local\Temp\inqvcprugn.exe

Filesize
199KB

MD5
ad855d2040a187a78ed564f13a87602b

SHA1
aaa46529f775718f1eddbd7cdc4f2599732d1c4d

SHA256
7eff5b01cff641f7b8c5219920e108630c4a3fee826cf8daa2ec0ea489ac5d85

SHA512
f8da773a3318014f707f9e539aa3ff6c4f97816324f9ee3f66f61b2ec53aea7a7110f8966e7f4e4b2e348e2a3ad75d3c5e55981f9ac2ba56d1cc1c943463f177

Download Submit
C:\Users\Admin\AppData\Local\Temp\inqvcprugn.exe

Filesize
199KB

MD5
ad855d2040a187a78ed564f13a87602b

SHA1
aaa46529f775718f1eddbd7cdc4f2599732d1c4d

SHA256
7eff5b01cff641f7b8c5219920e108630c4a3fee826cf8daa2ec0ea489ac5d85

SHA512
f8da773a3318014f707f9e539aa3ff6c4f97816324f9ee3f66f61b2ec53aea7a7110f8966e7f4e4b2e348e2a3ad75d3c5e55981f9ac2ba56d1cc1c943463f177

Download Submit
C:\Users\Admin\AppData\Local\Temp\inqvcprugn.exe

Filesize
199KB

MD5
ad855d2040a187a78ed564f13a87602b

SHA1
aaa46529f775718f1eddbd7cdc4f2599732d1c4d

SHA256
7eff5b01cff641f7b8c5219920e108630c4a3fee826cf8daa2ec0ea489ac5d85

SHA512
f8da773a3318014f707f9e539aa3ff6c4f97816324f9ee3f66f61b2ec53aea7a7110f8966e7f4e4b2e348e2a3ad75d3c5e55981f9ac2ba56d1cc1c943463f177

Download Submit
memory/2884-16-0x0000000000C60000-0x0000000000C6B000-memory.dmp

Filesize
44KB

Download
memory/2884-20-0x0000000000740000-0x000000000076F000-memory.dmp

Filesize
188KB

Download
memory/2884-22-0x0000000000F50000-0x0000000000FE4000-memory.dmp

Filesize
592KB

Download
memory/2884-19-0x00000000011A0000-0x00000000014EA000-memory.dmp

Filesize
3.3MB

Download
memory/2884-18-0x0000000000740000-0x000000000076F000-memory.dmp

Filesize
188KB

Download
memory/2884-17-0x0000000000C60000-0x0000000000C6B000-memory.dmp

Filesize
44KB

Download
memory/3220-13-0x0000000008940000-0x0000000008AA7000-memory.dmp

Filesize
1.4MB

Download
memory/3220-23-0x0000000009340000-0x0000000009463000-memory.dmp

Filesize
1.1MB

Download
memory/3220-24-0x0000000009340000-0x0000000009463000-memory.dmp

Filesize
1.1MB

Download
memory/3220-25-0x0000000008940000-0x0000000008AA7000-memory.dmp

Filesize
1.4MB

Download
memory/3220-28-0x0000000009340000-0x0000000009463000-memory.dmp

Filesize
1.1MB

Download
memory/3844-5-0x0000000002180000-0x0000000002182000-memory.dmp

Filesize
8KB

Download
memory/4900-12-0x00000000005F0000-0x0000000000605000-memory.dmp

Filesize
84KB

Download
memory/4900-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4900-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4900-9-0x0000000000B30000-0x0000000000E7A000-memory.dmp

Filesize
3.3MB

Download