formbook | e7392c3db5bcda2a21a94614bdc05fb13f7ebd4d141ce80e82f87f7455bf79cf

Analysis

max time kernel
93s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 01:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe
Size

771KB
MD5

a6718dd552a34001f40ced365b16d1ee
SHA1

f40747dd6f9bd62751bc2b9734dd5bbe8e92723a
SHA256

8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b
SHA512

fbca66394755bf974e7abe6f215048e7f19ae2b9630036e0e04fc2e420332f2f40f84de4dfb78b65c41f9855dd3963513efad1395a5cfaf73616a0dfeff9ddf5
SSDEEP

12288:RblmTdKCcfCQtVKr2hXFn+8WnTN77B2qjsH0y:xlmAdE291+86d

Score

10^/10

formbook o17i discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o17i

Decoy

chocolatebarreview.com

fetch-a-trabajos-canada.info

expresspestcontrol.net

tractionx.co.uk

vitalassetsecurity.com

lahtawine.ru

firedamagereports.com

bentzenphotography.com

digitalworkforces.com

divnoe.online

efefbig.buzz

melhardy.co.uk

igorsolutions.com

developmentszhuiservice.com

fookspace.com

kredaroo.com

4zpm.xyz

kycecat.cfd

singingriverhomeimprovement.com

bils.store

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/3312-25-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exe

pid	Process
3260	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:

8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe

description	pid	Process	procid_target
PID 4500 set thread context of 3312	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.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 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

Processes:

8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exepowershell.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.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
3472	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe

pid	Process
3260	powershell.exe
3312	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe
3312	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe
3260	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	3260	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe

description	pid	Process	procid_target
PID 4500 wrote to memory of 3260	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	95
PID 4500 wrote to memory of 3260	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	95
PID 4500 wrote to memory of 3260	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	95
PID 4500 wrote to memory of 3472	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	97
PID 4500 wrote to memory of 3472	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	97
PID 4500 wrote to memory of 3472	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	97
PID 4500 wrote to memory of 3312	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	99
PID 4500 wrote to memory of 3312	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	99
PID 4500 wrote to memory of 3312	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	99
PID 4500 wrote to memory of 3312	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	99
PID 4500 wrote to memory of 3312	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	99
PID 4500 wrote to memory of 3312	4500	8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe	99

C:\Users\Admin\AppData\Local\Temp\8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe
"C:\Users\Admin\AppData\Local\Temp\8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4500
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WBJIjC.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3260
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WBJIjC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp342A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3472
- C:\Users\Admin\AppData\Local\Temp\8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe
  "C:\Users\Admin\AppData\Local\Temp\8f61fd5ce3c2fa9186c75e703ce9e38d66538b9fe2214dd78d2df4c2c7cbda1b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3312

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wcda5jrb.4mj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp342A.tmp

Filesize
1KB

MD5
020405e568db0f7fa897222c7de3af2f

SHA1
56a4728098b01ca8ef02e09050399bdaf632d7b3

SHA256
3c325830615e5a929034622d68b13e910b0335efe04179dfe2d5f2797dac6297

SHA512
50456a18f715c35a8ee84231f4ed0ac88df83340ed7945be583abc41e35eabd8dbefacd329ea485a1d9a53c8de4c72d5d638a97005f35859888a60d724b8be0f

Download Submit
memory/3260-55-0x0000000006AB0000-0x0000000006B53000-memory.dmp

Filesize
652KB

Download
memory/3260-20-0x0000000004B80000-0x00000000051A8000-memory.dmp

Filesize
6.2MB

Download
memory/3260-68-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3260-27-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3260-64-0x00000000070F0000-0x000000000710A000-memory.dmp

Filesize
104KB

Download
memory/3260-63-0x0000000006FF0000-0x0000000007004000-memory.dmp

Filesize
80KB

Download
memory/3260-62-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3260-61-0x0000000006FE0000-0x0000000006FEE000-memory.dmp

Filesize
56KB

Download
memory/3260-60-0x0000000006FB0000-0x0000000006FC1000-memory.dmp

Filesize
68KB

Download
memory/3260-59-0x0000000007030000-0x00000000070C6000-memory.dmp

Filesize
600KB

Download
memory/3260-58-0x0000000006E20000-0x0000000006E2A000-memory.dmp

Filesize
40KB

Download
memory/3260-17-0x0000000004510000-0x0000000004546000-memory.dmp

Filesize
216KB

Download
memory/3260-18-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/3260-43-0x0000000075750000-0x000000007579C000-memory.dmp

Filesize
304KB

Download
memory/3260-57-0x0000000006DB0000-0x0000000006DCA000-memory.dmp

Filesize
104KB

Download
memory/3260-56-0x0000000007400000-0x0000000007A7A000-memory.dmp

Filesize
6.5MB

Download
memory/3260-42-0x0000000006A70000-0x0000000006AA2000-memory.dmp

Filesize
200KB

Download
memory/3260-23-0x0000000005360000-0x00000000053C6000-memory.dmp

Filesize
408KB

Download
memory/3260-54-0x0000000006040000-0x000000000605E000-memory.dmp

Filesize
120KB

Download
memory/3260-21-0x0000000004AF0000-0x0000000004B12000-memory.dmp

Filesize
136KB

Download
memory/3260-65-0x00000000070D0000-0x00000000070D8000-memory.dmp

Filesize
32KB

Download
memory/3260-49-0x0000000002110000-0x0000000002120000-memory.dmp

Filesize
64KB

Download
memory/3260-24-0x0000000005480000-0x00000000054E6000-memory.dmp

Filesize
408KB

Download
memory/3260-41-0x000000007F2E0000-0x000000007F2F0000-memory.dmp

Filesize
64KB

Download
memory/3260-39-0x0000000005A90000-0x0000000005AAE000-memory.dmp

Filesize
120KB

Download
memory/3260-40-0x0000000005AB0000-0x0000000005AFC000-memory.dmp

Filesize
304KB

Download
memory/3312-28-0x0000000001020000-0x000000000136A000-memory.dmp

Filesize
3.3MB

Download
memory/3312-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4500-5-0x0000000005290000-0x000000000529A000-memory.dmp

Filesize
40KB

Download
memory/4500-3-0x00000000052E0000-0x0000000005372000-memory.dmp

Filesize
584KB

Download
memory/4500-22-0x0000000004C10000-0x0000000004C48000-memory.dmp

Filesize
224KB

Download
memory/4500-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/4500-34-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4500-2-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/4500-15-0x0000000009320000-0x0000000009674000-memory.dmp

Filesize
3.3MB

Download
memory/4500-11-0x0000000006D10000-0x0000000006DAC000-memory.dmp

Filesize
624KB

Download
memory/4500-10-0x0000000006C00000-0x0000000006C70000-memory.dmp

Filesize
448KB

Download
memory/4500-9-0x00000000056E0000-0x00000000056EC000-memory.dmp

Filesize
48KB

Download
memory/4500-8-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4500-7-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/4500-6-0x0000000005550000-0x0000000005562000-memory.dmp

Filesize
72KB

Download
memory/4500-1-0x00000000007C0000-0x0000000000888000-memory.dmp

Filesize
800KB

Download
memory/4500-4-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download