formbook | 000948ea48835dd2fe087ca6b042eabbf280ac93fe2eb94558995a3a9db0b8a9

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10-10-2024 13:28

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10-10-2024 13:19

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Analysis

max time kernel
600s
max time network
362s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-10-2024 13:28

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General

Target

malw.exe
Size

751KB
MD5

cd4ee0d6ce4f0fcc5105b1601946d94c
SHA1

a1b22767415d6230e9f2442f75b64a948759b8f2
SHA256

000948ea48835dd2fe087ca6b042eabbf280ac93fe2eb94558995a3a9db0b8a9
SHA512

2565e81816c7896db100e5ade16f456c76ee9b711d672711845b89d578a767077836510185fd605db3eefcdf1a1ced3a56e409bfae42f4f3f954d4f1ebaee5b5
SSDEEP

12288:v39mEqOVzmIJnfTu6EKrVwTBbHsot5ZeVK7EWWlPYnlMWn:vIEqE6sTxBwBtve0WRnW

Score

10^/10

formbook t18n discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t18n

Decoy

tmusicoregon.net

atici.online

j7u7.xyz

iewunucierwuerwnziqi1.info

ruvabetgiris.website

acik.lat

obsk.top

sphaltpaving-ttp1-shd-us-2.shop

ispensarynearme.news

b3nd.bond

urelook.xyz

gearlpfbm.top

aconstructionjob.bond

killsnexis.info

oshon.xyz

ashabsxw.top

ussiatraiding.buzz

raipsehumus.homes

6ae23rx.forum

edar88vvip.shop

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2752-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2752-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2752-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2592-23-0x0000000000080000-0x00000000000AF000-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
2684	powershell.exe

Deletes itself 1 IoCs

pid	Process
2556	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2752	2328	malw.exe	34
PID 2752 set thread context of 1204	2752	malw.exe	21
PID 2752 set thread context of 1204	2752	malw.exe	21
PID 2592 set thread context of 1204	2592	explorer.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 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	malw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2328	malw.exe
2328	malw.exe
2752	malw.exe
2752	malw.exe
2684	powershell.exe
2752	malw.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe
2592	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2752	malw.exe
2752	malw.exe
2752	malw.exe
2752	malw.exe
2592	explorer.exe
2592	explorer.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	malw.exe
Token: SeDebugPrivilege	2752	malw.exe
Token: SeDebugPrivilege	2684	powershell.exe
Token: SeDebugPrivilege	2592	explorer.exe
Token: SeShutdownPrivilege	1204	Explorer.EXE
Token: SeShutdownPrivilege	1204	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2684	2328	malw.exe	31
PID 2328 wrote to memory of 2684	2328	malw.exe	31
PID 2328 wrote to memory of 2684	2328	malw.exe	31
PID 2328 wrote to memory of 2684	2328	malw.exe	31
PID 2328 wrote to memory of 2228	2328	malw.exe	33
PID 2328 wrote to memory of 2228	2328	malw.exe	33
PID 2328 wrote to memory of 2228	2328	malw.exe	33
PID 2328 wrote to memory of 2228	2328	malw.exe	33
PID 2328 wrote to memory of 2752	2328	malw.exe	34
PID 2328 wrote to memory of 2752	2328	malw.exe	34
PID 2328 wrote to memory of 2752	2328	malw.exe	34
PID 2328 wrote to memory of 2752	2328	malw.exe	34
PID 2328 wrote to memory of 2752	2328	malw.exe	34
PID 2328 wrote to memory of 2752	2328	malw.exe	34
PID 2328 wrote to memory of 2752	2328	malw.exe	34
PID 1204 wrote to memory of 2592	1204	Explorer.EXE	35
PID 1204 wrote to memory of 2592	1204	Explorer.EXE	35
PID 1204 wrote to memory of 2592	1204	Explorer.EXE	35
PID 1204 wrote to memory of 2592	1204	Explorer.EXE	35
PID 2592 wrote to memory of 2556	2592	explorer.exe	36
PID 2592 wrote to memory of 2556	2592	explorer.exe	36
PID 2592 wrote to memory of 2556	2592	explorer.exe	36
PID 2592 wrote to memory of 2556	2592	explorer.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\malw.exe
  "C:\Users\Admin\AppData\Local\Temp\malw.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2328
- - 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\malw.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2684
- - C:\Users\Admin\AppData\Local\Temp\malw.exe
    "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    3⤵
    PID:2228
- - C:\Users\Admin\AppData\Local\Temp\malw.exe
    "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2752
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:2592
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

memory/2328-15-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2328-1-0x00000000000C0000-0x0000000000182000-memory.dmp

Filesize
776KB

Download
memory/2328-2-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2328-3-0x00000000003F0000-0x0000000000408000-memory.dmp

Filesize
96KB

Download
memory/2328-4-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/2328-5-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2328-6-0x0000000004820000-0x0000000004896000-memory.dmp

Filesize
472KB

Download
memory/2328-0-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/2592-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2592-22-0x0000000000D70000-0x0000000000FF1000-memory.dmp

Filesize
2.5MB

Download
memory/2752-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-16-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2752-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download