formbook | bac8256dbb540a1919ad6fcdc6d071d89cce7a7ce8041f612049644967f47a12

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 01:00

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General

Target

ScanPMT.exe
Size

593KB
MD5

455769c893c56ea88021417a63a0f9ad
SHA1

0f0bcec8e151f30db07620da3573e6202bf6bb08
SHA256

77901588d513788e7bba467897bd688367197dfe4bdace3bf762ff1de24db3a3
SHA512

6098243876ef9f960d60f0e6b2c6e5ff0e848fd89f532f67b62b69cb487e44947a1ac1feb9d84df6847f13344afa1c892e67bc89e4916896f48a8f06191fd78c
SSDEEP

12288:/5QkJecOuNPel0EI+TCV8se7DEs5CSt20MXmMU4pJym:zQcOuhex+A7DEEvt20M2f2Im

Score

10^/10

formbook b3n1 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b3n1

Decoy

alexandragrows.com

shellload.com

stanleyrorke.com

glasurit.us

facebookismetaverse.com

astoundingaffairs.com

facom.us

dysonsaleoutlet.us

obtengaunitedhealthcare.com

sebastianroofrepairs.com

saltvent.com

littleonesclub.com

webamazoncardshopmail.xyz

lutam.xyz

myfirstpsgame.com

comline.cloud

valueinsightfororacle.com

congregacionansestral.com.co

paypal-uk.xyz

facebookversuzmeta.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2808-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2808-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2808-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2236-22-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
484	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1668	ScanPMT.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 2808	1668	ScanPMT.exe	31
PID 2808 set thread context of 1120	2808	ScanPMT.exe	20
PID 2808 set thread context of 1120	2808	ScanPMT.exe	20
PID 2236 set thread context of 1120	2236	chkdsk.exe	20

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	ScanPMT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ScanPMT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2808	ScanPMT.exe
2808	ScanPMT.exe
2808	ScanPMT.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe
2236	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2808	ScanPMT.exe
2808	ScanPMT.exe
2808	ScanPMT.exe
2808	ScanPMT.exe
2236	chkdsk.exe
2236	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	ScanPMT.exe
Token: SeDebugPrivilege	2236	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2808	1668	ScanPMT.exe	31
PID 1668 wrote to memory of 2808	1668	ScanPMT.exe	31
PID 1668 wrote to memory of 2808	1668	ScanPMT.exe	31
PID 1668 wrote to memory of 2808	1668	ScanPMT.exe	31
PID 1668 wrote to memory of 2808	1668	ScanPMT.exe	31
PID 1668 wrote to memory of 2808	1668	ScanPMT.exe	31
PID 1668 wrote to memory of 2808	1668	ScanPMT.exe	31
PID 2808 wrote to memory of 2236	2808	ScanPMT.exe	103
PID 2808 wrote to memory of 2236	2808	ScanPMT.exe	103
PID 2808 wrote to memory of 2236	2808	ScanPMT.exe	103
PID 2808 wrote to memory of 2236	2808	ScanPMT.exe	103
PID 2236 wrote to memory of 484	2236	chkdsk.exe	104
PID 2236 wrote to memory of 484	2236	chkdsk.exe	104
PID 2236 wrote to memory of 484	2236	chkdsk.exe	104
PID 2236 wrote to memory of 484	2236	chkdsk.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1120
- C:\Users\Admin\AppData\Local\Temp\ScanPMT.exe
  "C:\Users\Admin\AppData\Local\Temp\ScanPMT.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Users\Admin\AppData\Local\Temp\ScanPMT.exe
    "C:\Users\Admin\AppData\Local\Temp\ScanPMT.exe"
    3⤵
    - 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:2808
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1172
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1736
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1452
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1520
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1696
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2424
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1144
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1228
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2616
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1136
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:276
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:532
  - - C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2236
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\ScanPMT.exe"
        5⤵
        Deletes itself
        System Location Discovery: System Language Discovery
        
        PID:484
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2668
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2832
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2752
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2732
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2796
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2636
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2740
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2576
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2860
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3032
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2720
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2596
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2604
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1056
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2548
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2544
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2564
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2580
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2612
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2620
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2724
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2988
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3036
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2592
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1960
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2412
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3000
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3004
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1892
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1436
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1788
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2360
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2608
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2756
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2840
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2760
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2876
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2856
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2872
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2888
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2900
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2976
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1400
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2080
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2384
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2440
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:664
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2052
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1192
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2716
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1592
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1596
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1732
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2356
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1748
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2272
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1908
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2044
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsoE32F.tmp\ohbpyoj.dll

Filesize
339KB

MD5
f4d79c46904300d09db5984132baf59c

SHA1
0d7f273647a202126ce60d81c4fcccd8d3481231

SHA256
d0caae610e4e945c5bbd52613d7ef2eeb9aa9fd58f731dae92da9a0feb617b0c

SHA512
4276b9abd57ab926e326fb1939fb37ceef2219cb1e2bc5f3ea7091b3d2ea9600a2e18ad1eeb79d568a77294803cbab66ac8d4fd5413b200dbdbe8138114485ed

Download Submit
memory/1120-13-0x00000000051A0000-0x00000000052FE000-memory.dmp

Filesize
1.4MB

Download
memory/1120-17-0x0000000007A50000-0x0000000007BF8000-memory.dmp

Filesize
1.7MB

Download
memory/1120-16-0x00000000051A0000-0x00000000052FE000-memory.dmp

Filesize
1.4MB

Download
memory/1120-23-0x0000000007A50000-0x0000000007BF8000-memory.dmp

Filesize
1.7MB

Download
memory/1668-7-0x0000000074765000-0x0000000074767000-memory.dmp

Filesize
8KB

Download
memory/2236-21-0x00000000006B0000-0x00000000006B7000-memory.dmp

Filesize
28KB

Download
memory/2236-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2808-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download