formbook | 90eb875442a3173e54855155d12d4017bdca808160ed138552615ff0c0160e1a

Analysis

max time kernel
147s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 11:31

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General

Target

ypBNBVznebkl.exe
Size

590KB
MD5

ca8fd7f239f0b32c15261766b4134de0
SHA1

7902a3d808b13b7bbb16cf6a711b5c12abf735b2
SHA256

17299141dd71b72d2aa0250a478b4d3295ecd09b575232463ecf592cadda19b5
SHA512

0982ccce0d0dadf9573f15db9fa861695eacfd9b05741fe3698f2ecf4c46d9133545228718f631bd6d2c2a3025199ccda08cf28b33a047b2ad34e9220c2d71c1
SSDEEP

12288:/qY0mthJLGhLbg4B+ePduGIERcwr+t96CHwNnLu/2J:S4hJLGdg3GZNGt96CQlLjJ

Score

10^/10

formbook g2m3 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g2m3

Decoy

stocktonfingerprinting.com

metaaiqr.com

junicy.com

libertymutualgrou.com

jklhs7gl.xyz

alex-covalcova.space

socialfiguild.com

drnicholasreid.com

androidappprogrammierie.com

relatingtohumans.com

jitsystems.com

gbwpmz.com

lesaventuresdecocomango.com

wu8ggqdv077p.xyz

autnvg.com

wghakt016.xyz

lagosian.store

hilldoor.com

oculos-ajustavel-br.xyz

nameniboothac.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2788-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/112-26-0x0000000000130000-0x000000000015F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2860	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2348 set thread context of 2788	2348	ypBNBVznebkl.exe	33
PID 2788 set thread context of 1264	2788	RegSvcs.exe	20
PID 112 set thread context of 1264	112	msiexec.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 5 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ypBNBVznebkl.exe
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	msiexec.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

pid	Process
2916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2348	ypBNBVznebkl.exe
2348	ypBNBVznebkl.exe
2788	RegSvcs.exe
2788	RegSvcs.exe
2860	powershell.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe
112	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2788	RegSvcs.exe
2788	RegSvcs.exe
2788	RegSvcs.exe
112	msiexec.exe
112	msiexec.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	ypBNBVznebkl.exe
Token: SeDebugPrivilege	2788	RegSvcs.exe
Token: SeDebugPrivilege	2860	powershell.exe
Token: SeDebugPrivilege	112	msiexec.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2860	2348	ypBNBVznebkl.exe	29
PID 2348 wrote to memory of 2860	2348	ypBNBVznebkl.exe	29
PID 2348 wrote to memory of 2860	2348	ypBNBVznebkl.exe	29
PID 2348 wrote to memory of 2860	2348	ypBNBVznebkl.exe	29
PID 2348 wrote to memory of 2916	2348	ypBNBVznebkl.exe	31
PID 2348 wrote to memory of 2916	2348	ypBNBVznebkl.exe	31
PID 2348 wrote to memory of 2916	2348	ypBNBVznebkl.exe	31
PID 2348 wrote to memory of 2916	2348	ypBNBVznebkl.exe	31
PID 2348 wrote to memory of 2788	2348	ypBNBVznebkl.exe	33
PID 2348 wrote to memory of 2788	2348	ypBNBVznebkl.exe	33
PID 2348 wrote to memory of 2788	2348	ypBNBVznebkl.exe	33
PID 2348 wrote to memory of 2788	2348	ypBNBVznebkl.exe	33
PID 2348 wrote to memory of 2788	2348	ypBNBVznebkl.exe	33
PID 2348 wrote to memory of 2788	2348	ypBNBVznebkl.exe	33
PID 2348 wrote to memory of 2788	2348	ypBNBVznebkl.exe	33
PID 2348 wrote to memory of 2788	2348	ypBNBVznebkl.exe	33
PID 2348 wrote to memory of 2788	2348	ypBNBVznebkl.exe	33
PID 2348 wrote to memory of 2788	2348	ypBNBVznebkl.exe	33
PID 1264 wrote to memory of 112	1264	Explorer.EXE	34
PID 1264 wrote to memory of 112	1264	Explorer.EXE	34
PID 1264 wrote to memory of 112	1264	Explorer.EXE	34
PID 1264 wrote to memory of 112	1264	Explorer.EXE	34
PID 1264 wrote to memory of 112	1264	Explorer.EXE	34
PID 1264 wrote to memory of 112	1264	Explorer.EXE	34
PID 1264 wrote to memory of 112	1264	Explorer.EXE	34
PID 112 wrote to memory of 2356	112	msiexec.exe	35
PID 112 wrote to memory of 2356	112	msiexec.exe	35
PID 112 wrote to memory of 2356	112	msiexec.exe	35
PID 112 wrote to memory of 2356	112	msiexec.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Users\Admin\AppData\Local\Temp\ypBNBVznebkl.exe
  "C:\Users\Admin\AppData\Local\Temp\ypBNBVznebkl.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ypBNBVznebkl.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2860
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ypBNBVznebkl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8305.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2916
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2788
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:112
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2356

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8305.tmp

Filesize
1KB

MD5
90d868856d56cc18d1f2e262b6b17510

SHA1
51d1cc02d9e5a113fd635728ce0cfcd44ebd50e1

SHA256
21d83aa22bade01abe0d68be0e14609cdabf8e05cb1da983124c2410643b0ec9

SHA512
2508d74d29f600e65e4fbbec30261123faa0111b02f7333b45eb529339f51bd12f2fbb1c15a2206a03ad59e56f2da94c195bfaae59d39b9413baa2ab47ba0ec5

Download Submit
memory/112-26-0x0000000000130000-0x000000000015F000-memory.dmp

Filesize
188KB

Download
memory/112-25-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/112-23-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/2348-4-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2348-5-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-6-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-7-0x00000000051D0000-0x0000000005236000-memory.dmp

Filesize
408KB

Download
memory/2348-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2348-21-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-3-0x0000000000490000-0x000000000049C000-memory.dmp

Filesize
48KB

Download
memory/2348-2-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-1-0x0000000000C70000-0x0000000000D0C000-memory.dmp

Filesize
624KB

Download
memory/2788-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2788-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2788-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download