formbook | a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15

Analysis

max time kernel
125s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 16:27

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General

Target

a666dc5c6765f6912878fc840aceaf82.exe
Size

600KB
MD5

a666dc5c6765f6912878fc840aceaf82
SHA1

9f804c5d474f723f6c08cac07569c237c25286a7
SHA256

a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15
SHA512

4835ff70937f9b5f0da3e2ff61126255b1da74e7c0be00654e062b9b5463ad10380b1e2952c7ccaf05d9090a03c8a020ec6baf6cd7b3259ab54e3de57582553b
SSDEEP

12288:hhr8bQb07Lo2kJc9SkHKksvXYXaGtfTiGEXV9JT6newNcGn:gIEcWSkMvoKGtfTiGAWqW

Score

10^/10

formbook bopi discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bopi

Decoy

zq4.top

relationship-coach-88497.bond

destekbirimi.xyz

tgh-reg.xyz

pepcapital.net

edunote.media

loans-credits-63765.bond

zhxgtlw.top

rajalele.xyz

ug-tower.asia

agrajter.com

investment-services-44387.bond

yaoxiaocang.fun

23win6.top

used-cars-84168.bond

primesourceglobal.net

indiapostsk.vip

qe2i7cghzpebk.buzz

furniture-27975.bond

fy489tysiot4twoinsr3295y78h.xyz

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/780-11-0x0000000000400000-0x000000000042F000-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
3956	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	a666dc5c6765f6912878fc840aceaf82.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2548 set thread context of 780	2548	a666dc5c6765f6912878fc840aceaf82.exe	99

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	a666dc5c6765f6912878fc840aceaf82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
780	a666dc5c6765f6912878fc840aceaf82.exe
780	a666dc5c6765f6912878fc840aceaf82.exe
780	a666dc5c6765f6912878fc840aceaf82.exe
3956	powershell.exe
3956	powershell.exe
3956	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3956	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 3956	2548	a666dc5c6765f6912878fc840aceaf82.exe	97
PID 2548 wrote to memory of 3956	2548	a666dc5c6765f6912878fc840aceaf82.exe	97
PID 2548 wrote to memory of 3956	2548	a666dc5c6765f6912878fc840aceaf82.exe	97
PID 2548 wrote to memory of 780	2548	a666dc5c6765f6912878fc840aceaf82.exe	99
PID 2548 wrote to memory of 780	2548	a666dc5c6765f6912878fc840aceaf82.exe	99
PID 2548 wrote to memory of 780	2548	a666dc5c6765f6912878fc840aceaf82.exe	99
PID 2548 wrote to memory of 780	2548	a666dc5c6765f6912878fc840aceaf82.exe	99
PID 2548 wrote to memory of 780	2548	a666dc5c6765f6912878fc840aceaf82.exe	99
PID 2548 wrote to memory of 780	2548	a666dc5c6765f6912878fc840aceaf82.exe	99

C:\Users\Admin\AppData\Local\Temp\a666dc5c6765f6912878fc840aceaf82.exe
"C:\Users\Admin\AppData\Local\Temp\a666dc5c6765f6912878fc840aceaf82.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- 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\a666dc5c6765f6912878fc840aceaf82.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3956
- C:\Users\Admin\AppData\Local\Temp\a666dc5c6765f6912878fc840aceaf82.exe
  "C:\Users\Admin\AppData\Local\Temp\a666dc5c6765f6912878fc840aceaf82.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:780

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=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
1⤵
PID:1592

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_vm1uckmd.5qd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/780-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/780-62-0x0000000001A90000-0x0000000001DDA000-memory.dmp

Filesize
3.3MB

Download
memory/780-14-0x0000000001A90000-0x0000000001DDA000-memory.dmp

Filesize
3.3MB

Download
memory/2548-8-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2548-5-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2548-6-0x0000000005A00000-0x0000000005A12000-memory.dmp

Filesize
72KB

Download
memory/2548-7-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/2548-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/2548-9-0x0000000007690000-0x0000000007706000-memory.dmp

Filesize
472KB

Download
memory/2548-10-0x0000000009DF0000-0x0000000009E8C000-memory.dmp

Filesize
624KB

Download
memory/2548-4-0x00000000057D0000-0x00000000057DA000-memory.dmp

Filesize
40KB

Download
memory/2548-13-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2548-3-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/2548-2-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/2548-1-0x0000000000B90000-0x0000000000C2C000-memory.dmp

Filesize
624KB

Download
memory/3956-21-0x0000000005A20000-0x0000000005A86000-memory.dmp

Filesize
408KB

Download
memory/3956-47-0x00000000067B0000-0x00000000067CE000-memory.dmp

Filesize
120KB

Download
memory/3956-19-0x00000000052F0000-0x0000000005918000-memory.dmp

Filesize
6.2MB

Download
memory/3956-20-0x0000000005250000-0x0000000005272000-memory.dmp

Filesize
136KB

Download
memory/3956-17-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3956-22-0x0000000005A90000-0x0000000005AF6000-memory.dmp

Filesize
408KB

Download
memory/3956-16-0x0000000004C80000-0x0000000004CB6000-memory.dmp

Filesize
216KB

Download
memory/3956-32-0x0000000005BC0000-0x0000000005F14000-memory.dmp

Filesize
3.3MB

Download
memory/3956-33-0x0000000006220000-0x000000000623E000-memory.dmp

Filesize
120KB

Download
memory/3956-34-0x00000000062B0000-0x00000000062FC000-memory.dmp

Filesize
304KB

Download
memory/3956-37-0x0000000070A90000-0x0000000070ADC000-memory.dmp

Filesize
304KB

Download
memory/3956-36-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3956-35-0x00000000067D0000-0x0000000006802000-memory.dmp

Filesize
200KB

Download
memory/3956-18-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3956-48-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3956-49-0x0000000007410000-0x00000000074B3000-memory.dmp

Filesize
652KB

Download
memory/3956-50-0x0000000007B80000-0x00000000081FA000-memory.dmp

Filesize
6.5MB

Download
memory/3956-51-0x0000000007540000-0x000000000755A000-memory.dmp

Filesize
104KB

Download
memory/3956-52-0x00000000075B0000-0x00000000075BA000-memory.dmp

Filesize
40KB

Download
memory/3956-53-0x00000000077C0000-0x0000000007856000-memory.dmp

Filesize
600KB

Download
memory/3956-54-0x0000000007740000-0x0000000007751000-memory.dmp

Filesize
68KB

Download
memory/3956-55-0x0000000007770000-0x000000000777E000-memory.dmp

Filesize
56KB

Download
memory/3956-56-0x0000000007780000-0x0000000007794000-memory.dmp

Filesize
80KB

Download
memory/3956-57-0x0000000007880000-0x000000000789A000-memory.dmp

Filesize
104KB

Download
memory/3956-58-0x0000000007860000-0x0000000007868000-memory.dmp

Filesize
32KB

Download
memory/3956-61-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3956-15-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download