formbook | 190df53d774c520a1ad8bd531f990aede256f9b85900e22823f04a7b07df4166

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 13:28

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General

Target

TKq18zZ3Rtcbhfd.exe
Size

690KB
MD5

40a0efae53cd30740fd47e5f79a46eae
SHA1

2ea4625d31a8c4fa8e6c9b3bc4abecc6341fe788
SHA256

58dfe85f084bedbc1861ed4afada8f0e284a70e10c84065cc6df13adc9fb45db
SHA512

0caabef7ce39f1d2fb4f21c7cf8f59da389babc1f590910ea85c8b5a4d28e40a572802ffdf55eef95d4c41999150a777b55825056b3b8d7bf744cb567fbee1e0
SSDEEP

12288:Qiv1uq3JfXyN9u9A0NAUFE/P37NfmAl12tZ9uLUxL7HNHJTs/m:RNuqfC/unmUQ7NpqLB

Score

10^/10

formbook a02d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.net

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/2784-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2780-28-0x0000000000080000-0x00000000000AF000-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

pid	Process
2760	powershell.exe
2764	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1196 set thread context of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 2784 set thread context of 1180	2784	RegSvcs.exe	21
PID 2780 set thread context of 1180	2780	colorcpl.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 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

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	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TKq18zZ3Rtcbhfd.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

pid	Process
2616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1196	TKq18zZ3Rtcbhfd.exe
2760	powershell.exe
2764	powershell.exe
2784	RegSvcs.exe
1196	TKq18zZ3Rtcbhfd.exe
2784	RegSvcs.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe
2780	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
2780	colorcpl.exe
2780	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1196	TKq18zZ3Rtcbhfd.exe
Token: SeDebugPrivilege	2760	powershell.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeDebugPrivilege	2784	RegSvcs.exe
Token: SeDebugPrivilege	2780	colorcpl.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 2760	1196	TKq18zZ3Rtcbhfd.exe	31
PID 1196 wrote to memory of 2760	1196	TKq18zZ3Rtcbhfd.exe	31
PID 1196 wrote to memory of 2760	1196	TKq18zZ3Rtcbhfd.exe	31
PID 1196 wrote to memory of 2760	1196	TKq18zZ3Rtcbhfd.exe	31
PID 1196 wrote to memory of 2764	1196	TKq18zZ3Rtcbhfd.exe	33
PID 1196 wrote to memory of 2764	1196	TKq18zZ3Rtcbhfd.exe	33
PID 1196 wrote to memory of 2764	1196	TKq18zZ3Rtcbhfd.exe	33
PID 1196 wrote to memory of 2764	1196	TKq18zZ3Rtcbhfd.exe	33
PID 1196 wrote to memory of 2616	1196	TKq18zZ3Rtcbhfd.exe	34
PID 1196 wrote to memory of 2616	1196	TKq18zZ3Rtcbhfd.exe	34
PID 1196 wrote to memory of 2616	1196	TKq18zZ3Rtcbhfd.exe	34
PID 1196 wrote to memory of 2616	1196	TKq18zZ3Rtcbhfd.exe	34
PID 1196 wrote to memory of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 1196 wrote to memory of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 1196 wrote to memory of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 1196 wrote to memory of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 1196 wrote to memory of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 1196 wrote to memory of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 1196 wrote to memory of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 1196 wrote to memory of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 1196 wrote to memory of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 1196 wrote to memory of 2784	1196	TKq18zZ3Rtcbhfd.exe	37
PID 1180 wrote to memory of 2780	1180	Explorer.EXE	38
PID 1180 wrote to memory of 2780	1180	Explorer.EXE	38
PID 1180 wrote to memory of 2780	1180	Explorer.EXE	38
PID 1180 wrote to memory of 2780	1180	Explorer.EXE	38
PID 2780 wrote to memory of 1112	2780	colorcpl.exe	39
PID 2780 wrote to memory of 1112	2780	colorcpl.exe	39
PID 2780 wrote to memory of 1112	2780	colorcpl.exe	39
PID 2780 wrote to memory of 1112	2780	colorcpl.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\TKq18zZ3Rtcbhfd.exe
  "C:\Users\Admin\AppData\Local\Temp\TKq18zZ3Rtcbhfd.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1196
- - 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\TKq18zZ3Rtcbhfd.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2760
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ChQJmcO.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2764
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ChQJmcO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF75A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2616
- - 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:2784
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:2780
- - 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:1112

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\tmpF75A.tmp

Filesize
1KB

MD5
f20203c4ab6295e2a3bbe20439bb527e

SHA1
0c89886ea11c77bde927175d6f92569a120ed184

SHA256
f768287890e32a030e5c576c5840c9998d7203e15a32d1c4a569f52b51fe8af5

SHA512
a2de9534eae9aa24aa429cfe774c507e8426117526333ef4f7c6bc384d5a1b6a463af55bc04499cddf5b72b8e6eee4b1798418c8c566db12c412e42ce22d729c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
5d50780e5d0d91c6f9ead63b2b6c2ffc

SHA1
d401b27787e78caa3265a49e77612c4cbb8a1e96

SHA256
f9e2359b2cbd127043512eeb7273ea45e9eff435605e0a05171363fbf7730f48

SHA512
51b84d83fd8c2eab9ccec22e6779b76e8830f93e6c21c185437f751c241124c1ac237f4141de06d00ff39b2bef738f690360c5b18ddf7d212ae082555dedc569

Download Submit
memory/1196-4-0x00000000742BE000-0x00000000742BF000-memory.dmp

Filesize
4KB

Download
memory/1196-26-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/1196-0-0x00000000742BE000-0x00000000742BF000-memory.dmp

Filesize
4KB

Download
memory/1196-5-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/1196-6-0x0000000005C80000-0x0000000005CFA000-memory.dmp

Filesize
488KB

Download
memory/1196-2-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/1196-1-0x0000000000EA0000-0x0000000000F54000-memory.dmp

Filesize
720KB

Download
memory/1196-3-0x0000000000630000-0x000000000064A000-memory.dmp

Filesize
104KB

Download
memory/2780-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2780-27-0x0000000000DA0000-0x0000000000DB8000-memory.dmp

Filesize
96KB

Download
memory/2784-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2784-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2784-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2784-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download