formbook | 5655f9615a49ab7877631aa1ecd344300c5bc68794d70082232b644219fd48e0

Analysis

max time kernel
146s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 17:29

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General

Target

T?cili Sifari?.exe
Size

1.0MB
MD5

102a540303ec7665687ee20c6a6f3829
SHA1

dc5b7f0a3a72215e0fb574ffae9dc1ca80d8394f
SHA256

77de2fa49e24c93e217088285cfcc816cf7ae40928898dc3e88c0d6a67a31c80
SHA512

887c9e35701b2a8d53a5973f423b10f6c4312d112fa77ee64453f43a451b5f34449f4e0cb7c5974efc73a3621ad1fdd43f7b88ec34834c6bced162364cd6a5b2
SSDEEP

24576:4Vr94W+fAEY/PyVvoieXaM0GGbr2lmmY0tVe68euC/:4VR4DfAlGoibM0G8tmls680

Score

10^/10

formbook d2g7 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d2g7

Decoy

inviteonlyme.com

noashopping.com

raysyoutube.com

chicagp.com

brnguatemala.com

speechboutique.com

philippinepodcastdirectory.com

konnecio.com

9q1ng6.icu

treez.info

appleiclou.com

pettras.com

txherz.icu

freearcae.com

mindpetalsoftwaresolutions.com

my-beautiful-switzerland.com

hpzebike.online

fadsekclub.xyz

newcastledhaka.com

varidsk.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/2624-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2056-24-0x0000000000110000-0x000000000013F000-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
2632	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 2624	1656	T_cili Sifari_.exe	34
PID 2624 set thread context of 1388	2624	RegSvcs.exe	21
PID 2056 set thread context of 1388	2056	cmstp.exe	21

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	T_cili Sifari_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1672	schtasks.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
1656	T_cili Sifari_.exe
1656	T_cili Sifari_.exe
2624	RegSvcs.exe
2624	RegSvcs.exe
2632	powershell.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe
2056	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2624	RegSvcs.exe
2624	RegSvcs.exe
2624	RegSvcs.exe
2056	cmstp.exe
2056	cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	T_cili Sifari_.exe
Token: SeDebugPrivilege	2624	RegSvcs.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	2056	cmstp.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2632	1656	T_cili Sifari_.exe	30
PID 1656 wrote to memory of 2632	1656	T_cili Sifari_.exe	30
PID 1656 wrote to memory of 2632	1656	T_cili Sifari_.exe	30
PID 1656 wrote to memory of 2632	1656	T_cili Sifari_.exe	30
PID 1656 wrote to memory of 1672	1656	T_cili Sifari_.exe	31
PID 1656 wrote to memory of 1672	1656	T_cili Sifari_.exe	31
PID 1656 wrote to memory of 1672	1656	T_cili Sifari_.exe	31
PID 1656 wrote to memory of 1672	1656	T_cili Sifari_.exe	31
PID 1656 wrote to memory of 2624	1656	T_cili Sifari_.exe	34
PID 1656 wrote to memory of 2624	1656	T_cili Sifari_.exe	34
PID 1656 wrote to memory of 2624	1656	T_cili Sifari_.exe	34
PID 1656 wrote to memory of 2624	1656	T_cili Sifari_.exe	34
PID 1656 wrote to memory of 2624	1656	T_cili Sifari_.exe	34
PID 1656 wrote to memory of 2624	1656	T_cili Sifari_.exe	34
PID 1656 wrote to memory of 2624	1656	T_cili Sifari_.exe	34
PID 1656 wrote to memory of 2624	1656	T_cili Sifari_.exe	34
PID 1656 wrote to memory of 2624	1656	T_cili Sifari_.exe	34
PID 1656 wrote to memory of 2624	1656	T_cili Sifari_.exe	34
PID 1388 wrote to memory of 2056	1388	Explorer.EXE	41
PID 1388 wrote to memory of 2056	1388	Explorer.EXE	41
PID 1388 wrote to memory of 2056	1388	Explorer.EXE	41
PID 1388 wrote to memory of 2056	1388	Explorer.EXE	41
PID 1388 wrote to memory of 2056	1388	Explorer.EXE	41
PID 1388 wrote to memory of 2056	1388	Explorer.EXE	41
PID 1388 wrote to memory of 2056	1388	Explorer.EXE	41
PID 2056 wrote to memory of 2148	2056	cmstp.exe	42
PID 2056 wrote to memory of 2148	2056	cmstp.exe	42
PID 2056 wrote to memory of 2148	2056	cmstp.exe	42
PID 2056 wrote to memory of 2148	2056	cmstp.exe	42

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\T_cili Sifari_.exe
  "C:\Users\Admin\AppData\Local\Temp\T_cili Sifari_.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HeZYwDa.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2632
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HeZYwDa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4579.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1672
- - 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:2624
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1764
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2784
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2944
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1680
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2568
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1900
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2056
- - 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:2148

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\tmp4579.tmp

Filesize
1KB

MD5
e7ee2c96785f19a39c2434c1761d0e4d

SHA1
dcf3bdfeb5d03ddec444d8ce727cdde815aca9fc

SHA256
c837f67eaa7aa58e958826949f4dfe88a49ffe62cde988c363ee564375654f6a

SHA512
152030856fb43960551c0c5803f43c5016eee92831b0783f0d21a4553419f9e3961af5a73a09b581a9ccf515e36e40bff7a177e1040fc74d6be19b7900c1421d

Download Submit
memory/1656-12-0x0000000000D70000-0x0000000000DA4000-memory.dmp

Filesize
208KB

Download
memory/1656-21-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1656-3-0x00000000002D0000-0x00000000002E8000-memory.dmp

Filesize
96KB

Download
memory/1656-4-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/1656-5-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1656-6-0x0000000005A20000-0x0000000005B1E000-memory.dmp

Filesize
1016KB

Download
memory/1656-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1656-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/1656-1-0x00000000011B0000-0x00000000012BC000-memory.dmp

Filesize
1.0MB

Download
memory/2056-24-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/2056-23-0x0000000000EE0000-0x0000000000EF8000-memory.dmp

Filesize
96KB

Download
memory/2624-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download