formbook | ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0

Analysis

max time kernel
126s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 21:31

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General

Target

ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe
Size

741KB
MD5

fe955f341bed9ae76c079eadfa74d500
SHA1

315d49a2b722a1c881dd35e6e0f7f0eab6b7ae2a
SHA256

ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0
SHA512

31bf87a1bf301f91018b90fcf59f3569e60a3c9d5fe3a98046fb94a09de451fd16c66b45e1d55b8b4624ebdc04d747c1289df6d5d571d700def4f737d5e0ea3c
SSDEEP

12288:5x0zjLf30WH0TwOqp09vHIyUdA4fEvhoZbKz7deCthQKl7UnnHf5uiG4:6jj0ywkp4/IyUCQEvhmKvgCthQK1UnH1

Score

10^/10

formbook hy08 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy08

Decoy

weazc.top

servoceimmpajhnuz.info

vqemkdhi.xyz

wergol.com

spa-mk.com

rtpsid88.life

tatetits.fun

raidsa.xyz

suojiansuode.net

jointhejunction.com

wudai.net

typeboot.shop

mksport-app.com

miocloud.ovh

taipan77pandan.com

wwwhg58a.com

khuahamiksai31.pro

carpedatumllc.net

safebinders.com

krx21.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/456-30-0x0000000000400000-0x000000000042F000-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
2740	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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4844 set thread context of 456	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	105

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 3 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.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
3232	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2740	powershell.exe
2740	powershell.exe
2740	powershell.exe
456	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe
456	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe
456	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 2740	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	101
PID 4844 wrote to memory of 2740	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	101
PID 4844 wrote to memory of 2740	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	101
PID 4844 wrote to memory of 3232	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	103
PID 4844 wrote to memory of 3232	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	103
PID 4844 wrote to memory of 3232	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	103
PID 4844 wrote to memory of 456	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	105
PID 4844 wrote to memory of 456	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	105
PID 4844 wrote to memory of 456	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	105
PID 4844 wrote to memory of 456	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	105
PID 4844 wrote to memory of 456	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	105
PID 4844 wrote to memory of 456	4844	ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe	105

C:\Users\Admin\AppData\Local\Temp\ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe
"C:\Users\Admin\AppData\Local\Temp\ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jdJEXcso.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jdJEXcso" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8894.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3232
- C:\Users\Admin\AppData\Local\Temp\ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe
  "C:\Users\Admin\AppData\Local\Temp\ae818ce7f6c12d22d942ec3af9b9e6b237a7c1f2d62a1bfb6d2dc7f0dac8aff0.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:456

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4408 /prefetch:8
1⤵
PID:1624

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_rqb0jlxi.f5r.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8894.tmp

Filesize
1KB

MD5
06bc6776c79d565d78258f2b8e03b9d5

SHA1
b4a582c426d46ac68016ad01388eab3de5189053

SHA256
f6ecdb2f3c9791ee8c93b5ee78fd8f217fd7de6b03853ceb9cff27c2beae34c3

SHA512
8c8d0c949e5dfc43b56bdd202ae92e6a100510fc40fdb70c397dab694f72d7d8c7d958ee3bbcf48fb61cc00ff7d2f0ab81d6064c635fc34f2af77e5df9dc1b2c

Download Submit
memory/456-39-0x0000000001890000-0x0000000001BDA000-memory.dmp

Filesize
3.3MB

Download
memory/456-30-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2740-55-0x0000000007550000-0x00000000075F3000-memory.dmp

Filesize
652KB

Download
memory/2740-57-0x0000000007890000-0x00000000078AA000-memory.dmp

Filesize
104KB

Download
memory/2740-70-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/2740-38-0x0000000006600000-0x000000000664C000-memory.dmp

Filesize
304KB

Download
memory/2740-37-0x0000000006560000-0x000000000657E000-memory.dmp

Filesize
120KB

Download
memory/2740-66-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

Filesize
104KB

Download
memory/2740-65-0x0000000007AD0000-0x0000000007AE4000-memory.dmp

Filesize
80KB

Download
memory/2740-64-0x0000000007AC0000-0x0000000007ACE000-memory.dmp

Filesize
56KB

Download
memory/2740-63-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/2740-62-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/2740-18-0x0000000004F90000-0x0000000004FC6000-memory.dmp

Filesize
216KB

Download
memory/2740-20-0x0000000005630000-0x0000000005C58000-memory.dmp

Filesize
6.2MB

Download
memory/2740-19-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/2740-61-0x0000000007A90000-0x0000000007AA1000-memory.dmp

Filesize
68KB

Download
memory/2740-21-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/2740-60-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/2740-23-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Filesize
408KB

Download
memory/2740-59-0x0000000007B10000-0x0000000007BA6000-memory.dmp

Filesize
600KB

Download
memory/2740-58-0x0000000007900000-0x000000000790A000-memory.dmp

Filesize
40KB

Download
memory/2740-56-0x0000000007ED0000-0x000000000854A000-memory.dmp

Filesize
6.5MB

Download
memory/2740-67-0x0000000007BB0000-0x0000000007BB8000-memory.dmp

Filesize
32KB

Download
memory/2740-52-0x0000000004FF0000-0x0000000005000000-memory.dmp

Filesize
64KB

Download
memory/2740-24-0x0000000005EE0000-0x0000000005F46000-memory.dmp

Filesize
408KB

Download
memory/2740-40-0x000000007F1B0000-0x000000007F1C0000-memory.dmp

Filesize
64KB

Download
memory/2740-41-0x0000000006B30000-0x0000000006B62000-memory.dmp

Filesize
200KB

Download
memory/2740-42-0x0000000074D10000-0x0000000074D5C000-memory.dmp

Filesize
304KB

Download
memory/2740-54-0x0000000007530000-0x000000000754E000-memory.dmp

Filesize
120KB

Download
memory/2740-53-0x0000000004FF0000-0x0000000005000000-memory.dmp

Filesize
64KB

Download
memory/4844-3-0x0000000005AD0000-0x0000000005B62000-memory.dmp

Filesize
584KB

Download
memory/4844-13-0x0000000006A90000-0x0000000006B06000-memory.dmp

Filesize
472KB

Download
memory/4844-36-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/4844-4-0x0000000005BB0000-0x0000000005F04000-memory.dmp

Filesize
3.3MB

Download
memory/4844-2-0x0000000006160000-0x0000000006704000-memory.dmp

Filesize
5.6MB

Download
memory/4844-7-0x0000000006710000-0x00000000067AC000-memory.dmp

Filesize
624KB

Download
memory/4844-0-0x000000007448E000-0x000000007448F000-memory.dmp

Filesize
4KB

Download
memory/4844-5-0x0000000005B80000-0x0000000005B8A000-memory.dmp

Filesize
40KB

Download
memory/4844-1-0x0000000000FF0000-0x00000000010AE000-memory.dmp

Filesize
760KB

Download
memory/4844-12-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/4844-11-0x000000007448E000-0x000000007448F000-memory.dmp

Filesize
4KB

Download
memory/4844-10-0x00000000067B0000-0x00000000067C8000-memory.dmp

Filesize
96KB

Download
memory/4844-9-0x00000000060B0000-0x00000000060D2000-memory.dmp

Filesize
136KB

Download
memory/4844-8-0x0000000005F30000-0x0000000005F42000-memory.dmp

Filesize
72KB

Download
memory/4844-6-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download