formbook | 57e610ffae08a6189ecc331352a5115093c0c8b9372756b2211f2e164d052dc5

Analysis

max time kernel
149s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10-10-2024 07:59

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General

Target

OZsK1zm3hpiRCD2.exe
Size

751KB
MD5

2e5a55a46c75aa53efd566270938d168
SHA1

ce2dbc6468deedaff70830ffa2e7af2c2f36f333
SHA256

57e610ffae08a6189ecc331352a5115093c0c8b9372756b2211f2e164d052dc5
SHA512

8eef317a65dacf9686df9b22b47b9bf6738ec607983740279079b9927f02b4a3413b166500f7c11e1944b62e241aaa0552d1e2b73755dbaecaaed178a49e72a1
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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2908-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2908-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3012-22-0x0000000000070000-0x000000000009F000-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
2376	powershell.exe

Deletes itself 1 IoCs

pid	Process
2680	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1200 set thread context of 2908	1200	OZsK1zm3hpiRCD2.exe	34
PID 2908 set thread context of 1220	2908	OZsK1zm3hpiRCD2.exe	21
PID 3012 set thread context of 1220	3012	wscript.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	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OZsK1zm3hpiRCD2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
1200	OZsK1zm3hpiRCD2.exe
1200	OZsK1zm3hpiRCD2.exe
1200	OZsK1zm3hpiRCD2.exe
1200	OZsK1zm3hpiRCD2.exe
2908	OZsK1zm3hpiRCD2.exe
2908	OZsK1zm3hpiRCD2.exe
2376	powershell.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe
3012	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2908	OZsK1zm3hpiRCD2.exe
2908	OZsK1zm3hpiRCD2.exe
2908	OZsK1zm3hpiRCD2.exe
3012	wscript.exe
3012	wscript.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1200	OZsK1zm3hpiRCD2.exe
Token: SeDebugPrivilege	2908	OZsK1zm3hpiRCD2.exe
Token: SeDebugPrivilege	2376	powershell.exe
Token: SeDebugPrivilege	3012	wscript.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 2376	1200	OZsK1zm3hpiRCD2.exe	30
PID 1200 wrote to memory of 2376	1200	OZsK1zm3hpiRCD2.exe	30
PID 1200 wrote to memory of 2376	1200	OZsK1zm3hpiRCD2.exe	30
PID 1200 wrote to memory of 2376	1200	OZsK1zm3hpiRCD2.exe	30
PID 1200 wrote to memory of 2768	1200	OZsK1zm3hpiRCD2.exe	32
PID 1200 wrote to memory of 2768	1200	OZsK1zm3hpiRCD2.exe	32
PID 1200 wrote to memory of 2768	1200	OZsK1zm3hpiRCD2.exe	32
PID 1200 wrote to memory of 2768	1200	OZsK1zm3hpiRCD2.exe	32
PID 1200 wrote to memory of 2904	1200	OZsK1zm3hpiRCD2.exe	33
PID 1200 wrote to memory of 2904	1200	OZsK1zm3hpiRCD2.exe	33
PID 1200 wrote to memory of 2904	1200	OZsK1zm3hpiRCD2.exe	33
PID 1200 wrote to memory of 2904	1200	OZsK1zm3hpiRCD2.exe	33
PID 1200 wrote to memory of 2908	1200	OZsK1zm3hpiRCD2.exe	34
PID 1200 wrote to memory of 2908	1200	OZsK1zm3hpiRCD2.exe	34
PID 1200 wrote to memory of 2908	1200	OZsK1zm3hpiRCD2.exe	34
PID 1200 wrote to memory of 2908	1200	OZsK1zm3hpiRCD2.exe	34
PID 1200 wrote to memory of 2908	1200	OZsK1zm3hpiRCD2.exe	34
PID 1200 wrote to memory of 2908	1200	OZsK1zm3hpiRCD2.exe	34
PID 1200 wrote to memory of 2908	1200	OZsK1zm3hpiRCD2.exe	34
PID 1220 wrote to memory of 3012	1220	Explorer.EXE	35
PID 1220 wrote to memory of 3012	1220	Explorer.EXE	35
PID 1220 wrote to memory of 3012	1220	Explorer.EXE	35
PID 1220 wrote to memory of 3012	1220	Explorer.EXE	35
PID 3012 wrote to memory of 2680	3012	wscript.exe	36
PID 3012 wrote to memory of 2680	3012	wscript.exe	36
PID 3012 wrote to memory of 2680	3012	wscript.exe	36
PID 3012 wrote to memory of 2680	3012	wscript.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe
  "C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1200
- - 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\OZsK1zm3hpiRCD2.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2376
- - C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe
    "C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe"
    3⤵
    PID:2768
- - C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe
    "C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe"
    3⤵
    PID:2904
- - C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe
    "C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2908
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:3012
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2680

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

Replay Monitor

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Downloads

memory/1200-12-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1200-1-0x0000000000200000-0x00000000002C2000-memory.dmp

Filesize
776KB

Download
memory/1200-2-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1200-3-0x00000000006C0000-0x00000000006D8000-memory.dmp

Filesize
96KB

Download
memory/1200-4-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/1200-5-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1200-6-0x0000000004930000-0x00000000049A6000-memory.dmp

Filesize
472KB

Download
memory/1200-0-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/1220-23-0x0000000006D30000-0x0000000006EB0000-memory.dmp

Filesize
1.5MB

Download
memory/1220-18-0x0000000006D30000-0x0000000006EB0000-memory.dmp

Filesize
1.5MB

Download
memory/1220-15-0x0000000004180000-0x0000000004380000-memory.dmp

Filesize
2.0MB

Download
memory/2908-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2908-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2908-13-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/2908-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2908-17-0x0000000000430000-0x0000000000444000-memory.dmp

Filesize
80KB

Download
memory/2908-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2908-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3012-21-0x0000000000D70000-0x0000000000D96000-memory.dmp

Filesize
152KB

Download
memory/3012-22-0x0000000000070000-0x000000000009F000-memory.dmp

Filesize
188KB

Download