formbook | 4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 16:22

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General

Target

4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe
Size

580KB
MD5

082d39cfd34b71fcbcd6fde04630a9da
SHA1

0158f6fc8b93a002d854eeea2a67fc1e6cae6781
SHA256

4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6
SHA512

10b9f414c84e95acd51225e600cf8b36627832986cf01cb5864bf134755546cae5db24f86b60a9364214d140f7761670b7ee67819d7b0519e7de3f9173461fbe
SSDEEP

12288:8zJGCGrsE1JwH6lWGs6jwt4IRBFGJgoUo1ID7BPQ:8zMCYsE12HSWGWt42Gmm16B

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 family
formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3332-57-0x0000000000400000-0x000000000042F000-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
2692	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3100 set thread context of 3332	3100	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe	91

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 2 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	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2692	powershell.exe
2692	powershell.exe
3332	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe
3332	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 2692	3100	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe	89
PID 3100 wrote to memory of 2692	3100	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe	89
PID 3100 wrote to memory of 2692	3100	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe	89
PID 3100 wrote to memory of 3332	3100	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe	91
PID 3100 wrote to memory of 3332	3100	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe	91
PID 3100 wrote to memory of 3332	3100	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe	91
PID 3100 wrote to memory of 3332	3100	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe	91
PID 3100 wrote to memory of 3332	3100	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe	91
PID 3100 wrote to memory of 3332	3100	4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe	91

C:\Users\Admin\AppData\Local\Temp\4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe
"C:\Users\Admin\AppData\Local\Temp\4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3100
- 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\4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2692
- C:\Users\Admin\AppData\Local\Temp\4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe
  "C:\Users\Admin\AppData\Local\Temp\4b0172ec49e672667d9b9ce4ff5ea0365ce29118728adeda23e5c21e7e170ba6.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3332

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

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_rjk4gs2w.fdz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2692-50-0x0000000007930000-0x000000000793A000-memory.dmp

Filesize
40KB

Download
memory/2692-48-0x0000000007F00000-0x000000000857A000-memory.dmp

Filesize
6.5MB

Download
memory/2692-28-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2692-30-0x00000000065A0000-0x00000000065BE000-memory.dmp

Filesize
120KB

Download
memory/2692-53-0x0000000007AF0000-0x0000000007AFE000-memory.dmp

Filesize
56KB

Download
memory/2692-55-0x0000000007C00000-0x0000000007C1A000-memory.dmp

Filesize
104KB

Download
memory/2692-56-0x0000000007BE0000-0x0000000007BE8000-memory.dmp

Filesize
32KB

Download
memory/2692-54-0x0000000007B00000-0x0000000007B14000-memory.dmp

Filesize
80KB

Download
memory/2692-52-0x0000000007AC0000-0x0000000007AD1000-memory.dmp

Filesize
68KB

Download
memory/2692-51-0x0000000007B40000-0x0000000007BD6000-memory.dmp

Filesize
600KB

Download
memory/2692-49-0x00000000078C0000-0x00000000078DA000-memory.dmp

Filesize
104KB

Download
memory/2692-12-0x0000000002C60000-0x0000000002C96000-memory.dmp

Filesize
216KB

Download
memory/2692-13-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2692-14-0x0000000005930000-0x0000000005F58000-memory.dmp

Filesize
6.2MB

Download
memory/2692-15-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2692-31-0x00000000065E0000-0x000000000662C000-memory.dmp

Filesize
304KB

Download
memory/2692-18-0x00000000057E0000-0x0000000005846000-memory.dmp

Filesize
408KB

Download
memory/2692-17-0x0000000005770000-0x00000000057D6000-memory.dmp

Filesize
408KB

Download
memory/2692-47-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2692-29-0x0000000006090000-0x00000000063E4000-memory.dmp

Filesize
3.3MB

Download
memory/2692-63-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2692-33-0x000000006F910000-0x000000006F95C000-memory.dmp

Filesize
304KB

Download
memory/2692-16-0x00000000054D0000-0x00000000054F2000-memory.dmp

Filesize
136KB

Download
memory/2692-32-0x0000000007570000-0x00000000075A2000-memory.dmp

Filesize
200KB

Download
memory/2692-45-0x00000000077B0000-0x0000000007853000-memory.dmp

Filesize
652KB

Download
memory/2692-46-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2692-44-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2692-43-0x0000000006B70000-0x0000000006B8E000-memory.dmp

Filesize
120KB

Download
memory/3100-10-0x000000000AD70000-0x000000000AE0C000-memory.dmp

Filesize
624KB

Download
memory/3100-7-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3100-11-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3100-8-0x0000000005A90000-0x0000000005AA2000-memory.dmp

Filesize
72KB

Download
memory/3100-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/3100-5-0x0000000005910000-0x000000000591A000-memory.dmp

Filesize
40KB

Download
memory/3100-1-0x0000000000E80000-0x0000000000F18000-memory.dmp

Filesize
608KB

Download
memory/3100-2-0x0000000005F80000-0x0000000006524000-memory.dmp

Filesize
5.6MB

Download
memory/3100-9-0x00000000085A0000-0x0000000008616000-memory.dmp

Filesize
472KB

Download
memory/3100-6-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/3100-4-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3100-59-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3100-3-0x0000000005920000-0x00000000059B2000-memory.dmp

Filesize
584KB

Download
memory/3332-60-0x0000000001350000-0x000000000169A000-memory.dmp

Filesize
3.3MB

Download
memory/3332-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download