formbook | 4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 02:16

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General

Target

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
Size

593KB
MD5

7dcab0ea73dd5a9a7455ef7c8a4c0d2a
SHA1

bdc449aaca0a43a93417517310178c99ad91642a
SHA256

4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3
SHA512

da4fbd2e58990c6a975c2f1b444d97b0c6cefbd537fcd12b23986b77889cd2a140b3227c9dc267bcfa15c260c9f59c41d059d4d4ee66413ca079582cd8adf5d7
SSDEEP

12288:CSTZZAmKRL8KE9C6wZwedumQCTsE/3vBEHYcr9WW6ivZRfbwscMv6X:1T7T28KE92/dv9/3vixBWW3RV/cMv

Score

10^/10

formbook dn13 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn13

Decoy

5q53s.top

f9813.top

ysticsmoke.net

ignorysingeysquints.cfd

yncsignature.live

svp-their.xyz

outya.xyz

wlkflwef3sf2wf.top

etterjugfetkaril.cfd

p9eh2s99b5.top

400108iqlnnqi219.top

ynsu-condition.xyz

ndividual-bfiaen.xyz

anceibizamagazine.net

itrussips.live

orkcubefood.xyz

lindsandfurnishings.shop

ajwmid.top

pigramescentfeatous.shop

mbvcv56789.click

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2608-24-0x0000000000400000-0x000000000042F000-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
1612	powershell.exe
2932	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2608	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	38

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	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
3000	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2608	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
2932	powershell.exe
1612	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
Token: SeDebugPrivilege	2932	powershell.exe
Token: SeDebugPrivilege	1612	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 1612	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	30
PID 2792 wrote to memory of 1612	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	30
PID 2792 wrote to memory of 1612	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	30
PID 2792 wrote to memory of 1612	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	30
PID 2792 wrote to memory of 2932	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	32
PID 2792 wrote to memory of 2932	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	32
PID 2792 wrote to memory of 2932	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	32
PID 2792 wrote to memory of 2932	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	32
PID 2792 wrote to memory of 3000	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	33
PID 2792 wrote to memory of 3000	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	33
PID 2792 wrote to memory of 3000	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	33
PID 2792 wrote to memory of 3000	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	33
PID 2792 wrote to memory of 2892	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	36
PID 2792 wrote to memory of 2892	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	36
PID 2792 wrote to memory of 2892	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	36
PID 2792 wrote to memory of 2892	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	36
PID 2792 wrote to memory of 2600	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	37
PID 2792 wrote to memory of 2600	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	37
PID 2792 wrote to memory of 2600	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	37
PID 2792 wrote to memory of 2600	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	37
PID 2792 wrote to memory of 2608	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	38
PID 2792 wrote to memory of 2608	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	38
PID 2792 wrote to memory of 2608	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	38
PID 2792 wrote to memory of 2608	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	38
PID 2792 wrote to memory of 2608	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	38
PID 2792 wrote to memory of 2608	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	38
PID 2792 wrote to memory of 2608	2792	4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe	38

C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
"C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792
- 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\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1612
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mSlzubsZb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2932
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mSlzubsZb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE437.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3000
- C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
  "C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe"
  2⤵
  PID:2892
- C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
  "C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe"
  2⤵
  PID:2600
- C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe
  "C:\Users\Admin\AppData\Local\Temp\4003ba5752bd4c4969c49c34e65f594c8ae977ee7a06fd96681184308b72d3d3.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2608

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\tmpE437.tmp

Filesize
1KB

MD5
f913a8eefa066dbbaf3af3bcc01a0d6e

SHA1
8eeb599200dfbe469f6a8cd055b0d958ccb95b97

SHA256
7ca2720b09a7aecae630d961ea6815261215c1dcb8c434fd112faec6e3279763

SHA512
b044b675dc78d8f312b2e30543ae6bce0861a7072282c8c96e933f8ddf295d12b36f5942102646a35acf62e5ea14692ceff5a14285e613a4f2f58b0f3607bb92

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

Filesize
7KB

MD5
8cf71ca297ca6c126fdbcff082ed1109

SHA1
6afdcc689cbda5ee8b634f498c45961e1743af4e

SHA256
0ef6734a45d6c6f00e39f9f82a659f75cf32397ab151bed1f89d8e0904196189

SHA512
9066c6cb0994904ea96509b3b68886bb5eefde02f38d02ecd09591f17a1ae1a85165e1950c287642eeda9646f1f04ed649f4e84fabef0333abb706edbbb984b7

Download Submit
memory/2608-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2608-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2608-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2608-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-3-0x0000000000640000-0x0000000000652000-memory.dmp

Filesize
72KB

Download
memory/2792-6-0x0000000004880000-0x00000000048FA000-memory.dmp

Filesize
488KB

Download
memory/2792-5-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2792-4-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2792-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2792-2-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2792-1-0x0000000000130000-0x00000000001CA000-memory.dmp

Filesize
616KB

Download
memory/2792-25-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download