formbook | f227463b0807df173ca31a6d558e75a10d6b9ca8887f6eb48718733788f560ad

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14/04/2023, 17:58

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General

Target

New order list_pdf.exe
Size

260KB
MD5

9db995a644af18837b503d2d9a33bdec
SHA1

c06cd0c6e3cdfbbe49f85765335ce9eff4500edd
SHA256

dd4311e439da8393afbb51dc192317d6cd5a53b9d574971adb768c38a2bf3d71
SHA512

5c857e420be06475c1ef7ae2294f90b6eac5da0c78bcc15aa0a2284a5ab184711b6a72bfdf06fbfcb5afcebbc105466493373a208a76be8000d76777ad318fa0
SSDEEP

6144:/Ya6LZk8ky9q604SngQ2SLljDavgmtLGdBdMW4Tem7lZfhS:/YJZ726fSgQ2SLcvRtw85lFg

Score

10^/10

formbook hs95 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hs95

Decoy

capitalpartnersintl.com

learnotctrading.africa

kokotripbali.click

laserelitecreations.com

55522.voto

hezop.xyz

6n992.com

aelh3s.shop

victmcomssioner.org.uk

7xwithlove.com

gregdf.click

thewarehouseconsultants.africa

ilbufalaro.online

bulkcheapstamps.com

etismc.top

beautyby-eve.com

dabopixel.com

freddybrowne-17.com

heat-pumps-11472.com

cleaningbyeve.com

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/1036-68-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1036-73-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1496-80-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1496-82-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
1552	otvme.exe
1036	otvme.exe

Loads dropped DLL 3 IoCs

pid	Process
1676	New order list_pdf.exe
1676	New order list_pdf.exe
1552	otvme.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1552 set thread context of 1036	1552	otvme.exe	29
PID 1036 set thread context of 1208	1036	otvme.exe	16
PID 1496 set thread context of 1208	1496	mstsc.exe	16

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 28 IoCs

pid	Process
1036	otvme.exe
1036	otvme.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe
1496	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1208	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1552	otvme.exe
1036	otvme.exe
1036	otvme.exe
1036	otvme.exe
1496	mstsc.exe
1496	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1036	otvme.exe
Token: SeDebugPrivilege	1496	mstsc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 1552	1676	New order list_pdf.exe	28
PID 1676 wrote to memory of 1552	1676	New order list_pdf.exe	28
PID 1676 wrote to memory of 1552	1676	New order list_pdf.exe	28
PID 1676 wrote to memory of 1552	1676	New order list_pdf.exe	28
PID 1552 wrote to memory of 1036	1552	otvme.exe	29
PID 1552 wrote to memory of 1036	1552	otvme.exe	29
PID 1552 wrote to memory of 1036	1552	otvme.exe	29
PID 1552 wrote to memory of 1036	1552	otvme.exe	29
PID 1552 wrote to memory of 1036	1552	otvme.exe	29
PID 1208 wrote to memory of 1496	1208	Explorer.EXE	30
PID 1208 wrote to memory of 1496	1208	Explorer.EXE	30
PID 1208 wrote to memory of 1496	1208	Explorer.EXE	30
PID 1208 wrote to memory of 1496	1208	Explorer.EXE	30
PID 1496 wrote to memory of 984	1496	mstsc.exe	31
PID 1496 wrote to memory of 984	1496	mstsc.exe	31
PID 1496 wrote to memory of 984	1496	mstsc.exe	31
PID 1496 wrote to memory of 984	1496	mstsc.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\New order list_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\New order list_pdf.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Users\Admin\AppData\Local\Temp\otvme.exe
    "C:\Users\Admin\AppData\Local\Temp\otvme.exe" C:\Users\Admin\AppData\Local\Temp\irayhlq.rxs
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1552
  - - C:\Users\Admin\AppData\Local\Temp\otvme.exe
      "C:\Users\Admin\AppData\Local\Temp\otvme.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1036
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1496
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\otvme.exe"
    3⤵
    PID:984

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\irayhlq.rxs

Filesize
6KB

MD5
0a78b16f782ae1d6b77a0ad2ef477189

SHA1
b3ea8bc878553722253f13270ab5835e53ffe807

SHA256
22519b6efe6c76c449ae52af794e6f60190d0727b7c21aa332c8cf01b5c10dd2

SHA512
b7d3bef545f59ea6b8dcc21d4aad484d8476d5d8d4f278f9a9c75c9b2bf366445a20cb83ff74b0cbcf4d55b1c67e3080f9e5a618ff67550034a9595336ccd2f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\moducnulp.ytt

Filesize
205KB

MD5
989d53616919dbe2defed3f2d35d570a

SHA1
21fec5cefaaba32b80884cd5809766821fc12ba9

SHA256
fbcca8d8452467f436b694e64525657e24cdcd27138f5797789d7c6ea2290555

SHA512
630c84d15a4db084d1d30958a2bed6c360ace9a4768a2dbe34684ae5fa42604d2787986a26ed1b8df4a4ce0e7766f46d9441fc67af2907328c7a9f8befbd26de

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

Filesize
53KB

MD5
ea0232bab33c6cd61b7eee5de64f895a

SHA1
64b37d8d075f4c72d0aa387bde54ca7f74ffb0b0

SHA256
0376d844537ef146ff53eb758b9eb89cfcd3b21eca355d54f96d93ec98318704

SHA512
b6b8643521b5f8e431da1c1240ded7b6af36b9931348aa2cb14b8f41a2a0cae7f5ebb1a522095071ed1f8a919e11582423116366d411a6d59b11867a9deb2018

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

Filesize
53KB

MD5
ea0232bab33c6cd61b7eee5de64f895a

SHA1
64b37d8d075f4c72d0aa387bde54ca7f74ffb0b0

SHA256
0376d844537ef146ff53eb758b9eb89cfcd3b21eca355d54f96d93ec98318704

SHA512
b6b8643521b5f8e431da1c1240ded7b6af36b9931348aa2cb14b8f41a2a0cae7f5ebb1a522095071ed1f8a919e11582423116366d411a6d59b11867a9deb2018

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

Filesize
53KB

MD5
ea0232bab33c6cd61b7eee5de64f895a

SHA1
64b37d8d075f4c72d0aa387bde54ca7f74ffb0b0

SHA256
0376d844537ef146ff53eb758b9eb89cfcd3b21eca355d54f96d93ec98318704

SHA512
b6b8643521b5f8e431da1c1240ded7b6af36b9931348aa2cb14b8f41a2a0cae7f5ebb1a522095071ed1f8a919e11582423116366d411a6d59b11867a9deb2018

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

Filesize
53KB

MD5
ea0232bab33c6cd61b7eee5de64f895a

SHA1
64b37d8d075f4c72d0aa387bde54ca7f74ffb0b0

SHA256
0376d844537ef146ff53eb758b9eb89cfcd3b21eca355d54f96d93ec98318704

SHA512
b6b8643521b5f8e431da1c1240ded7b6af36b9931348aa2cb14b8f41a2a0cae7f5ebb1a522095071ed1f8a919e11582423116366d411a6d59b11867a9deb2018

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

Filesize
53KB

MD5
ea0232bab33c6cd61b7eee5de64f895a

SHA1
64b37d8d075f4c72d0aa387bde54ca7f74ffb0b0

SHA256
0376d844537ef146ff53eb758b9eb89cfcd3b21eca355d54f96d93ec98318704

SHA512
b6b8643521b5f8e431da1c1240ded7b6af36b9931348aa2cb14b8f41a2a0cae7f5ebb1a522095071ed1f8a919e11582423116366d411a6d59b11867a9deb2018

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

Filesize
53KB

MD5
ea0232bab33c6cd61b7eee5de64f895a

SHA1
64b37d8d075f4c72d0aa387bde54ca7f74ffb0b0

SHA256
0376d844537ef146ff53eb758b9eb89cfcd3b21eca355d54f96d93ec98318704

SHA512
b6b8643521b5f8e431da1c1240ded7b6af36b9931348aa2cb14b8f41a2a0cae7f5ebb1a522095071ed1f8a919e11582423116366d411a6d59b11867a9deb2018

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

Filesize
53KB

MD5
ea0232bab33c6cd61b7eee5de64f895a

SHA1
64b37d8d075f4c72d0aa387bde54ca7f74ffb0b0

SHA256
0376d844537ef146ff53eb758b9eb89cfcd3b21eca355d54f96d93ec98318704

SHA512
b6b8643521b5f8e431da1c1240ded7b6af36b9931348aa2cb14b8f41a2a0cae7f5ebb1a522095071ed1f8a919e11582423116366d411a6d59b11867a9deb2018

Download Submit
memory/1036-74-0x0000000000330000-0x0000000000345000-memory.dmp

Filesize
84KB

Download
memory/1036-72-0x0000000000900000-0x0000000000C03000-memory.dmp

Filesize
3.0MB

Download
memory/1036-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1036-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1208-84-0x0000000002A90000-0x0000000002B90000-memory.dmp

Filesize
1024KB

Download
memory/1208-75-0x0000000006270000-0x0000000006373000-memory.dmp

Filesize
1.0MB

Download
memory/1208-86-0x0000000006510000-0x0000000006633000-memory.dmp

Filesize
1.1MB

Download
memory/1208-87-0x0000000006510000-0x0000000006633000-memory.dmp

Filesize
1.1MB

Download
memory/1208-89-0x0000000006510000-0x0000000006633000-memory.dmp

Filesize
1.1MB

Download
memory/1496-77-0x0000000000D80000-0x0000000000E84000-memory.dmp

Filesize
1.0MB

Download
memory/1496-79-0x0000000000D80000-0x0000000000E84000-memory.dmp

Filesize
1.0MB

Download
memory/1496-80-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1496-81-0x0000000002290000-0x0000000002593000-memory.dmp

Filesize
3.0MB

Download
memory/1496-82-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1496-85-0x0000000000920000-0x00000000009B4000-memory.dmp

Filesize
592KB

Download