formbook | d79d4f61a8ac7e72f4b51fd872317a7d9feb84a46e47bebd09eb60c8a34ec057

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
01-03-2023 18:53

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General

Target

fd498a1be2c83df884266ad732f7a3c4.exe
Size

304KB
MD5

fd498a1be2c83df884266ad732f7a3c4
SHA1

d75f3be9a3ab927ede5e4953a28c99e6b2584cec
SHA256

d79d4f61a8ac7e72f4b51fd872317a7d9feb84a46e47bebd09eb60c8a34ec057
SHA512

b1280bce16fb24c3b042eb391faf846da9cf3409ca6ac21d1f584b14c1f9737b7e7cf1fecf47b8ed49ab26df1f53af69972806a5656d7ae10adaa70005a93772
SSDEEP

6144:AYa6o14m7yrnRJFJ65+ITi8iUDQ8WjPPznEZK96pEapfXBHFK:AY2GRsQITWPnEZo6pXpPNk

Score

10^/10

formbook b07o rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b07o

Decoy

rpalmerdecorating.co.uk

magellanalytics.net

28yorkave.com

woodburnershop.co.uk

jcw-media.com

helinica.com

yuaneju.com

akypan.top

cavidahome.com

annaswiatkowski.com

123findcapital.com

danielle.nyc

dhcons.click

ocnarf.co.uk

1wowoc.top

corbett.one

extersolutions.com

fcukart.com

fadaona.online

guangness.top

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1804-142-0x00000000003C0000-0x00000000003EF000-memory.dmp	formbook
behavioral2/memory/2028-152-0x0000000000410000-0x000000000043F000-memory.dmp	formbook
behavioral2/memory/2028-154-0x0000000000410000-0x000000000043F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2888	wdawsu.exe
1804	wdawsu.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2888 set thread context of 1804	2888	wdawsu.exe	87
PID 1804 set thread context of 3144	1804	wdawsu.exe	45
PID 2028 set thread context of 3144	2028	control.exe	45

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1804	wdawsu.exe
1804	wdawsu.exe
1804	wdawsu.exe
1804	wdawsu.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe
2028	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3144	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2888	wdawsu.exe
2888	wdawsu.exe
1804	wdawsu.exe
1804	wdawsu.exe
1804	wdawsu.exe
2028	control.exe
2028	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1804	wdawsu.exe
Token: SeDebugPrivilege	2028	control.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 2888	4676	fd498a1be2c83df884266ad732f7a3c4.exe	86
PID 4676 wrote to memory of 2888	4676	fd498a1be2c83df884266ad732f7a3c4.exe	86
PID 4676 wrote to memory of 2888	4676	fd498a1be2c83df884266ad732f7a3c4.exe	86
PID 2888 wrote to memory of 1804	2888	wdawsu.exe	87
PID 2888 wrote to memory of 1804	2888	wdawsu.exe	87
PID 2888 wrote to memory of 1804	2888	wdawsu.exe	87
PID 2888 wrote to memory of 1804	2888	wdawsu.exe	87
PID 3144 wrote to memory of 2028	3144	Explorer.EXE	88
PID 3144 wrote to memory of 2028	3144	Explorer.EXE	88
PID 3144 wrote to memory of 2028	3144	Explorer.EXE	88
PID 2028 wrote to memory of 4900	2028	control.exe	89
PID 2028 wrote to memory of 4900	2028	control.exe	89
PID 2028 wrote to memory of 4900	2028	control.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Users\Admin\AppData\Local\Temp\fd498a1be2c83df884266ad732f7a3c4.exe
  "C:\Users\Admin\AppData\Local\Temp\fd498a1be2c83df884266ad732f7a3c4.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4676
- - C:\Users\Admin\AppData\Local\Temp\wdawsu.exe
    "C:\Users\Admin\AppData\Local\Temp\wdawsu.exe" C:\Users\Admin\AppData\Local\Temp\hemeats.oj
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2888
  - - C:\Users\Admin\AppData\Local\Temp\wdawsu.exe
      "C:\Users\Admin\AppData\Local\Temp\wdawsu.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1804
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\wdawsu.exe"
    3⤵
    PID:4900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hemeats.oj

Filesize
5KB

MD5
8ce91e5eeafa68e51bef3f50c926381e

SHA1
5cb5d92062d179dd39914cc7852bce0810a70ef7

SHA256
9347e51b2ded98d80c0855c7fc644d0b81901e83362926f7f257a20eb4338933

SHA512
4bc66f74ff1604915f84b6a72fa3e3750bc7a75c7a65f54fc9c581bbd1fa0d1d24fa30f3e645fdff44973fd5df3c18f31bd13f120eb7debd4944af0c925cd638

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

Filesize
99KB

MD5
a4a3e5290096411bb27f8c7ad4575eca

SHA1
5c8a178bf433816679de285e1d136b307b0ac38c

SHA256
12a7cd1058647b4bf7e712fe8e35c252df238d9620700f1757c65d1c734767ea

SHA512
f8c50e847938694cde24d5b5a0987fce7359bdfd84b65de607e2cfcb3400f00d0afcfc0d3f9884f60aa0804f6d5431632f49ef55ca99fde8191812d21031fa77

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

Filesize
99KB

MD5
a4a3e5290096411bb27f8c7ad4575eca

SHA1
5c8a178bf433816679de285e1d136b307b0ac38c

SHA256
12a7cd1058647b4bf7e712fe8e35c252df238d9620700f1757c65d1c734767ea

SHA512
f8c50e847938694cde24d5b5a0987fce7359bdfd84b65de607e2cfcb3400f00d0afcfc0d3f9884f60aa0804f6d5431632f49ef55ca99fde8191812d21031fa77

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

Filesize
99KB

MD5
a4a3e5290096411bb27f8c7ad4575eca

SHA1
5c8a178bf433816679de285e1d136b307b0ac38c

SHA256
12a7cd1058647b4bf7e712fe8e35c252df238d9620700f1757c65d1c734767ea

SHA512
f8c50e847938694cde24d5b5a0987fce7359bdfd84b65de607e2cfcb3400f00d0afcfc0d3f9884f60aa0804f6d5431632f49ef55ca99fde8191812d21031fa77

Download Submit
C:\Users\Admin\AppData\Local\Temp\ybhei.od

Filesize
205KB

MD5
b26a681caac74047d4a6c33914acd445

SHA1
ca601d937bcf02cb56a60743b2e7e7c228bb1b71

SHA256
c4d973da2c0cdc665178d02a480d80549a19166bd8653bfb28097a12d7d52133

SHA512
e1f4fc14e8b1bd8b4c882139060570dd022e7a902321c496e2fe137c2b95e91ae5384ea61f3a5e5b78a0019ea1cbbe6d8b5f12163fcf437a7039af8dfea47a8d

Download Submit
memory/1804-142-0x00000000003C0000-0x00000000003EF000-memory.dmp

Filesize
188KB

Download
memory/1804-147-0x0000000000D60000-0x00000000010AA000-memory.dmp

Filesize
3.3MB

Download
memory/1804-148-0x0000000000CE0000-0x0000000000CF4000-memory.dmp

Filesize
80KB

Download
memory/2028-153-0x00000000023C0000-0x000000000270A000-memory.dmp

Filesize
3.3MB

Download
memory/2028-150-0x0000000000DD0000-0x0000000000DF7000-memory.dmp

Filesize
156KB

Download
memory/2028-151-0x0000000000DD0000-0x0000000000DF7000-memory.dmp

Filesize
156KB

Download
memory/2028-152-0x0000000000410000-0x000000000043F000-memory.dmp

Filesize
188KB

Download
memory/2028-154-0x0000000000410000-0x000000000043F000-memory.dmp

Filesize
188KB

Download
memory/2028-157-0x0000000000D10000-0x0000000000DA3000-memory.dmp

Filesize
588KB

Download
memory/3144-149-0x0000000002F90000-0x00000000030BE000-memory.dmp

Filesize
1.2MB

Download
memory/3144-156-0x0000000002F90000-0x00000000030BE000-memory.dmp

Filesize
1.2MB

Download
memory/3144-158-0x0000000002D00000-0x0000000002DEF000-memory.dmp

Filesize
956KB

Download
memory/3144-159-0x0000000002D00000-0x0000000002DEF000-memory.dmp

Filesize
956KB

Download
memory/3144-161-0x0000000002D00000-0x0000000002DEF000-memory.dmp

Filesize
956KB

Download