formbook | 9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a

Analysis

max time kernel
150s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2024 02:59

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General

Target

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe
Size

648KB
MD5

23c82ab652e622a3b359585df5588715
SHA1

d5a7ee9c740354cd485b9660dfeed4090086290d
SHA256

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a
SHA512

6cba277c64f2464b2389e7ebbbf9d8ee76e3094b9731824a622fd25eab02e00fdf31251798650d03680daac9c57a0520b592e2a67ca95b56dcbab31b5d569fce
SSDEEP

12288:vIR4R52J+XtsZVtEppdfqnMLpJgSJCCsj8tYRHG2EnMXvxtZsIu6WIR:vIeezjaWop5JCAKm2su1shI

Score

10^/10

formbook bs84 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bs84

Decoy

ehuatang.quest

mart-healthcare.solutions

arehouse-inventory-59593.bond

rumpjokes.net

oonlightshadow.store

odernoob.website

sdmedia.net

0k21l6z.xyz

kwovenart.shop

chvb.bid

06ks28.buzz

grexvc.online

unnycdn02.shop

ettingitgonejunk.net

lubmango.store

ustjump.xyz

ofiveuss.store

aahasti-inter5.rest

etclcg.business

ai365.xyz

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

Processes:

resource	yara_rule
behavioral2/memory/1388-38-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exepowershell.exe

pid	Process
620	powershell.exe
1184	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe

description	pid	Process	procid_target
PID 2404 set thread context of 1388	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	95

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

Processes:

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exepowershell.exepowershell.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.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

Processes:

schtasks.exe

pid	Process
4628	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exe9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe

pid	Process
1184	powershell.exe
620	powershell.exe
1388	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe
1388	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe
1184	powershell.exe
620	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	1184	powershell.exe
Token: SeDebugPrivilege	620	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe

description	pid	Process	procid_target
PID 2404 wrote to memory of 620	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	89
PID 2404 wrote to memory of 620	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	89
PID 2404 wrote to memory of 620	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	89
PID 2404 wrote to memory of 1184	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	91
PID 2404 wrote to memory of 1184	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	91
PID 2404 wrote to memory of 1184	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	91
PID 2404 wrote to memory of 4628	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	93
PID 2404 wrote to memory of 4628	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	93
PID 2404 wrote to memory of 4628	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	93
PID 2404 wrote to memory of 1388	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	95
PID 2404 wrote to memory of 1388	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	95
PID 2404 wrote to memory of 1388	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	95
PID 2404 wrote to memory of 1388	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	95
PID 2404 wrote to memory of 1388	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	95
PID 2404 wrote to memory of 1388	2404	9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe	95

C:\Users\Admin\AppData\Local\Temp\9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe
"C:\Users\Admin\AppData\Local\Temp\9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- 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\9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:620
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rhhfdZclZpWyrX.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1184
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rhhfdZclZpWyrX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE762.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4628
- C:\Users\Admin\AppData\Local\Temp\9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe
  "C:\Users\Admin\AppData\Local\Temp\9d29cb978c64e5ad17d72e5cabac60c2e4871924c41a7dc0ccaadba7a428703a.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1388

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

Query Registry

T1012

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\__PSScriptPolicyTest_y1d0jmvs.zjj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE762.tmp

Filesize
1KB

MD5
0f12611405cd052705f4f8da67f1764e

SHA1
2a5b12485b2c51846957e2bab8bbc7a2a3335e23

SHA256
1cd43f1c94628b418b84d66a21fa033cee1dbaacfb9fd2a2e270e974fb4b48f4

SHA512
67cfe3f2b24a42f92a0321c63d3b4b61dfa497b4b152f78aa5fb9c10db0ed559a52a2be63ec332bd375f49f84e4eb7975fb3c8953d7ab6bc3f20e26fda4b2bbc

Download Submit
memory/620-51-0x0000000006990000-0x00000000069C2000-memory.dmp

Filesize
200KB

Download
memory/620-16-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/620-86-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/620-52-0x00000000703D0000-0x000000007041C000-memory.dmp

Filesize
304KB

Download
memory/620-62-0x0000000006970000-0x000000000698E000-memory.dmp

Filesize
120KB

Download
memory/620-35-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/620-81-0x0000000007050000-0x000000000706A000-memory.dmp

Filesize
104KB

Download
memory/620-18-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/620-79-0x0000000006F40000-0x0000000006F4E000-memory.dmp

Filesize
56KB

Download
memory/620-15-0x00000000020E0000-0x0000000002116000-memory.dmp

Filesize
216KB

Download
memory/1184-47-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1184-76-0x0000000007B90000-0x0000000007B9A000-memory.dmp

Filesize
40KB

Download
memory/1184-17-0x0000000005930000-0x0000000005F58000-memory.dmp

Filesize
6.2MB

Download
memory/1184-19-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1184-78-0x0000000007D10000-0x0000000007D21000-memory.dmp

Filesize
68KB

Download
memory/1184-75-0x0000000007B10000-0x0000000007B2A000-memory.dmp

Filesize
104KB

Download
memory/1184-77-0x0000000007D90000-0x0000000007E26000-memory.dmp

Filesize
600KB

Download
memory/1184-29-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1184-22-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/1184-21-0x0000000006060000-0x0000000006082000-memory.dmp

Filesize
136KB

Download
memory/1184-85-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1184-80-0x0000000007D50000-0x0000000007D64000-memory.dmp

Filesize
80KB

Download
memory/1184-25-0x0000000006180000-0x00000000061E6000-memory.dmp

Filesize
408KB

Download
memory/1184-82-0x0000000007E30000-0x0000000007E38000-memory.dmp

Filesize
32KB

Download
memory/1184-48-0x00000000067F0000-0x000000000680E000-memory.dmp

Filesize
120KB

Download
memory/1184-74-0x0000000008160000-0x00000000087DA000-memory.dmp

Filesize
6.5MB

Download
memory/1184-49-0x0000000006BC0000-0x0000000006C0C000-memory.dmp

Filesize
304KB

Download
memory/1184-34-0x00000000061F0000-0x0000000006544000-memory.dmp

Filesize
3.3MB

Download
memory/1184-63-0x00000000703D0000-0x000000007041C000-memory.dmp

Filesize
304KB

Download
memory/1184-73-0x00000000079E0000-0x0000000007A83000-memory.dmp

Filesize
652KB

Download
memory/1388-38-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2404-5-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/2404-0-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/2404-50-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/2404-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

Filesize
584KB

Download
memory/2404-1-0x0000000000680000-0x0000000000728000-memory.dmp

Filesize
672KB

Download
memory/2404-2-0x0000000005670000-0x0000000005C14000-memory.dmp

Filesize
5.6MB

Download
memory/2404-10-0x0000000008F20000-0x0000000008FBC000-memory.dmp

Filesize
624KB

Download
memory/2404-9-0x0000000006B10000-0x0000000006B8A000-memory.dmp

Filesize
488KB

Download
memory/2404-8-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/2404-7-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/2404-6-0x00000000053C0000-0x00000000053D8000-memory.dmp

Filesize
96KB

Download
memory/2404-4-0x0000000005070000-0x000000000507A000-memory.dmp

Filesize
40KB

Download