formbook | 2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788

Analysis

max time kernel
146s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 03:31

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General

Target

z1____________.exe
Size

676KB
MD5

57d485ab07368d3d7fbd1b62b8bb6a5f
SHA1

15749ab51781854689d73a7f7a94d6052546fa9a
SHA256

2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788
SHA512

7abdbfad7c6ba7956b580c6656d4224ac5023c6df7754a35025bd82b6190f543cd35bf220e3130070799599b10b7b017e2a262d971fab29dd62e2c372a4b6118
SSDEEP

12288:vrOd+Ri3AgFd13C1/CYU0EY5ZLl2YFye+JwP78lprlDfB:tQ3Ag13EKx0BR+2YlppD5

Score

10^/10

formbook dn13 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn13

Decoy

5q53s.top

f9813.top

ysticsmoke.net

ignorysingeysquints.cfd

yncsignature.live

svp-their.xyz

outya.xyz

wlkflwef3sf2wf.top

etterjugfetkaril.cfd

p9eh2s99b5.top

400108iqlnnqi219.top

ynsu-condition.xyz

ndividual-bfiaen.xyz

anceibizamagazine.net

itrussips.live

orkcubefood.xyz

lindsandfurnishings.shop

ajwmid.top

pigramescentfeatous.shop

mbvcv56789.click

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

Processes:

resource	yara_rule
behavioral2/memory/5092-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5092-90-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5092-92-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/412-93-0x00000000006F0000-0x000000000071F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

4668 powershell.exe
4592 powershell.exe

pid	process
4668	powershell.exe
4592	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

z1____________.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	z1____________.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

z1____________.exez1____________.execmmon32.exe

description	pid	process	target process
PID 1664 set thread context of 5092	1664	z1____________.exe	z1____________.exe
PID 5092 set thread context of 3440	5092	z1____________.exe	Explorer.EXE
PID 5092 set thread context of 3440	5092	z1____________.exe	Explorer.EXE
PID 412 set thread context of 3440	412	cmmon32.exe	Explorer.EXE

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 6 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

Processes:

powershell.exeschtasks.execmmon32.execmd.exez1____________.exepowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z1____________.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2796 schtasks.exe

pid	process
2796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

z1____________.exepowershell.exepowershell.exez1____________.execmmon32.exe

pid	process
1664	z1____________.exe
4592	powershell.exe
1664	z1____________.exe
4668	powershell.exe
5092	z1____________.exe
5092	z1____________.exe
5092	z1____________.exe
5092	z1____________.exe
4668	powershell.exe
4592	powershell.exe
5092	z1____________.exe
5092	z1____________.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe
412	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

z1____________.execmmon32.exe

pid process

5092 z1____________.exe
5092 z1____________.exe
5092 z1____________.exe
5092 z1____________.exe
412 cmmon32.exe
412 cmmon32.exe

pid	process
5092	z1____________.exe
5092	z1____________.exe
5092	z1____________.exe
5092	z1____________.exe
412	cmmon32.exe
412	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

z1____________.exepowershell.exepowershell.exez1____________.exeExplorer.EXEcmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1664	z1____________.exe
Token: SeDebugPrivilege	4668	powershell.exe
Token: SeDebugPrivilege	4592	powershell.exe
Token: SeDebugPrivilege	5092	z1____________.exe
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeDebugPrivilege	412	cmmon32.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3440 Explorer.EXE

pid	process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

z1____________.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1664 wrote to memory of 4668	1664	z1____________.exe	powershell.exe
PID 1664 wrote to memory of 4668	1664	z1____________.exe	powershell.exe
PID 1664 wrote to memory of 4668	1664	z1____________.exe	powershell.exe
PID 1664 wrote to memory of 4592	1664	z1____________.exe	powershell.exe
PID 1664 wrote to memory of 4592	1664	z1____________.exe	powershell.exe
PID 1664 wrote to memory of 4592	1664	z1____________.exe	powershell.exe
PID 1664 wrote to memory of 2796	1664	z1____________.exe	schtasks.exe
PID 1664 wrote to memory of 2796	1664	z1____________.exe	schtasks.exe
PID 1664 wrote to memory of 2796	1664	z1____________.exe	schtasks.exe
PID 1664 wrote to memory of 5092	1664	z1____________.exe	z1____________.exe
PID 1664 wrote to memory of 5092	1664	z1____________.exe	z1____________.exe
PID 1664 wrote to memory of 5092	1664	z1____________.exe	z1____________.exe
PID 1664 wrote to memory of 5092	1664	z1____________.exe	z1____________.exe
PID 1664 wrote to memory of 5092	1664	z1____________.exe	z1____________.exe
PID 1664 wrote to memory of 5092	1664	z1____________.exe	z1____________.exe
PID 3440 wrote to memory of 412	3440	Explorer.EXE	cmmon32.exe
PID 3440 wrote to memory of 412	3440	Explorer.EXE	cmmon32.exe
PID 3440 wrote to memory of 412	3440	Explorer.EXE	cmmon32.exe
PID 412 wrote to memory of 5104	412	cmmon32.exe	cmd.exe
PID 412 wrote to memory of 5104	412	cmmon32.exe	cmd.exe
PID 412 wrote to memory of 5104	412	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\z1____________.exe
  "C:\Users\Admin\AppData\Local\Temp\z1____________.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\z1____________.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4668
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tOaFoZLjud.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4592
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tOaFoZLjud" /XML "C:\Users\Admin\AppData\Local\Temp\tmp23A0.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2796
- - C:\Users\Admin\AppData\Local\Temp\z1____________.exe
    "C:\Users\Admin\AppData\Local\Temp\z1____________.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5092
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:412
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\z1____________.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1h12cd2q.gaf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp23A0.tmp

Filesize
1KB

MD5
4bd5d13d334ecc93eebe5d89982989b6

SHA1
d5c60db4f41d7933fe0cb96ac275cae2d418ac35

SHA256
d9411621a13c715b49645f72e61ae41476411ec79838c3a87166fdc3f1e1b8a6

SHA512
b9b3bd567355a1d27f277e365ea42eeca4db26692ee11cde603d28812f10e7208e8df676803f0b48c42b433f7c1db843cdce806ece8c49da2788a833c48c7289

Download Submit
memory/412-93-0x00000000006F0000-0x000000000071F000-memory.dmp

Filesize
188KB

Download
memory/412-91-0x0000000000740000-0x000000000074C000-memory.dmp

Filesize
48KB

Download
memory/1664-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/1664-3-0x0000000005730000-0x00000000057C2000-memory.dmp

Filesize
584KB

Download
memory/1664-7-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/1664-8-0x0000000005990000-0x00000000059A2000-memory.dmp

Filesize
72KB

Download
memory/1664-9-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/1664-10-0x0000000006D00000-0x0000000006D78000-memory.dmp

Filesize
480KB

Download
memory/1664-6-0x0000000005A60000-0x0000000005AFC000-memory.dmp

Filesize
624KB

Download
memory/1664-1-0x0000000000DA0000-0x0000000000E4E000-memory.dmp

Filesize
696KB

Download
memory/1664-5-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/1664-29-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/1664-4-0x0000000005700000-0x000000000570A000-memory.dmp

Filesize
40KB

Download
memory/1664-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/3440-97-0x0000000002C50000-0x0000000002D2F000-memory.dmp

Filesize
892KB

Download
memory/4592-88-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4592-26-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4592-20-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4592-18-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4592-83-0x0000000007630000-0x0000000007638000-memory.dmp

Filesize
32KB

Download
memory/4592-67-0x0000000074D30000-0x0000000074D7C000-memory.dmp

Filesize
304KB

Download
memory/4592-81-0x0000000007550000-0x0000000007564000-memory.dmp

Filesize
80KB

Download
memory/4592-80-0x0000000007540000-0x000000000754E000-memory.dmp

Filesize
56KB

Download
memory/4592-78-0x0000000007590000-0x0000000007626000-memory.dmp

Filesize
600KB

Download
memory/4668-16-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4668-79-0x0000000007280000-0x0000000007291000-memory.dmp

Filesize
68KB

Download
memory/4668-52-0x00000000062E0000-0x0000000006312000-memory.dmp

Filesize
200KB

Download
memory/4668-63-0x0000000006320000-0x000000000633E000-memory.dmp

Filesize
120KB

Download
memory/4668-53-0x0000000074D30000-0x0000000074D7C000-memory.dmp

Filesize
304KB

Download
memory/4668-64-0x0000000006F10000-0x0000000006FB3000-memory.dmp

Filesize
652KB

Download
memory/4668-65-0x00000000076C0000-0x0000000007D3A000-memory.dmp

Filesize
6.5MB

Download
memory/4668-66-0x0000000007080000-0x000000000709A000-memory.dmp

Filesize
104KB

Download
memory/4668-50-0x0000000005D10000-0x0000000005D2E000-memory.dmp

Filesize
120KB

Download
memory/4668-77-0x00000000070F0000-0x00000000070FA000-memory.dmp

Filesize
40KB

Download
memory/4668-24-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/4668-51-0x0000000005D30000-0x0000000005D7C000-memory.dmp

Filesize
304KB

Download
memory/4668-23-0x00000000055C0000-0x00000000055E2000-memory.dmp

Filesize
136KB

Download
memory/4668-15-0x0000000004770000-0x00000000047A6000-memory.dmp

Filesize
216KB

Download
memory/4668-82-0x00000000073C0000-0x00000000073DA000-memory.dmp

Filesize
104KB

Download
memory/4668-28-0x0000000005740000-0x0000000005A94000-memory.dmp

Filesize
3.3MB

Download
memory/4668-25-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/4668-89-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4668-22-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4668-17-0x0000000004EE0000-0x0000000005508000-memory.dmp

Filesize
6.2MB

Download
memory/5092-92-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5092-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5092-90-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5092-30-0x0000000001320000-0x000000000166A000-memory.dmp

Filesize
3.3MB

Download