formbook | b8586a7283b65e8944c74885306efea0622799b1b591666e2cde87eee4e4b318

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 16:57

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General

Target

17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe
Size

620KB
MD5

ca5d33e8a379da31c0dda6b9e22c20ae
SHA1

8501cc96684dafbcbf44abe4af3b4465bb5473d2
SHA256

17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851
SHA512

c4d830968ab1995eea43125273cafb28667bf163ed2af72c9315de5282ecde0f8abb312ccfe7c243374080554eb44f7d07183647c64bc08d4d3f98f9b0bc76f5
SSDEEP

12288:HMqFq1lshI14m+PfCANS543LUnHQQZY278xICTtag9oB4:H7+fSmSCcE43gnHQkYjoRB4

Score

10^/10

formbook ce18 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ce18

Decoy

kenfinnegan.com

exopestireland.com

allthingzbeautiellc.com

attractiveidiot.com

calmsealight.com

ectobyte.com

8rr.xyz

hcmajq.info

alisongraceventures.com

jamtanganbagus.online

forexpropfirmmastery.com

coupimmobilier.com

amarisetechnologies.com

countrykidsclothing.com

eyecatcher.tech

merxip.online

fiteallc.com

themensroombarber.co.uk

seroofingtelford.co.uk

birdie786.com

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/3828-26-0x0000000000400000-0x000000000042F000-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
4184	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 412 set thread context of 3828	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	106

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	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.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

pid	Process
4864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4184	powershell.exe
3828	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe
3828	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe
4184	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4184	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 412 wrote to memory of 4184	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	102
PID 412 wrote to memory of 4184	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	102
PID 412 wrote to memory of 4184	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	102
PID 412 wrote to memory of 4864	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	104
PID 412 wrote to memory of 4864	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	104
PID 412 wrote to memory of 4864	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	104
PID 412 wrote to memory of 3828	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	106
PID 412 wrote to memory of 3828	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	106
PID 412 wrote to memory of 3828	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	106
PID 412 wrote to memory of 3828	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	106
PID 412 wrote to memory of 3828	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	106
PID 412 wrote to memory of 3828	412	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	106

C:\Users\Admin\AppData\Local\Temp\17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe
"C:\Users\Admin\AppData\Local\Temp\17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:412
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wigzvbLrJ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4184
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wigzvbLrJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp43AB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4864
- C:\Users\Admin\AppData\Local\Temp\17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe
  "C:\Users\Admin\AppData\Local\Temp\17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3828

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_eut2bhlf.l55.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp43AB.tmp

Filesize
1KB

MD5
95b022f46de21baac0b3b06902eaca25

SHA1
75c2c746a1d595f277d92f48f8895c4b18a100c6

SHA256
438233151d64db69eb222b4360e4e7e72fa9eeff0d4b5f9bb1bb914576d79df2

SHA512
d1ab74454a44b3ad2e3779616d92b66bbc7ab2dd33b3eb12c0ce1e5d30a779c5ab0c3f6bcf324924ab145376c5f52bb2809c66009427d992219bce7e7998969b

Download Submit
memory/412-8-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/412-9-0x0000000006100000-0x000000000610C000-memory.dmp

Filesize
48KB

Download
memory/412-4-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/412-5-0x0000000004D20000-0x0000000004D2A000-memory.dmp

Filesize
40KB

Download
memory/412-6-0x0000000007980000-0x0000000007994000-memory.dmp

Filesize
80KB

Download
memory/412-7-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/412-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/412-3-0x0000000004C50000-0x0000000004CE2000-memory.dmp

Filesize
584KB

Download
memory/412-10-0x0000000007B00000-0x0000000007B70000-memory.dmp

Filesize
448KB

Download
memory/412-11-0x0000000007990000-0x0000000007A2C000-memory.dmp

Filesize
624KB

Download
memory/412-15-0x000000000A1E0000-0x000000000A534000-memory.dmp

Filesize
3.3MB

Download
memory/412-33-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/412-22-0x0000000007A30000-0x0000000007A68000-memory.dmp

Filesize
224KB

Download
memory/412-2-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/412-1-0x00000000001D0000-0x0000000000272000-memory.dmp

Filesize
648KB

Download
memory/3828-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3828-38-0x0000000001190000-0x00000000014DA000-memory.dmp

Filesize
3.3MB

Download
memory/4184-42-0x0000000075470000-0x00000000754BC000-memory.dmp

Filesize
304KB

Download
memory/4184-62-0x0000000007D70000-0x0000000007D8A000-memory.dmp

Filesize
104KB

Download
memory/4184-20-0x00000000057E0000-0x0000000005E08000-memory.dmp

Filesize
6.2MB

Download
memory/4184-25-0x0000000005EF0000-0x0000000005F56000-memory.dmp

Filesize
408KB

Download
memory/4184-18-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4184-24-0x0000000005E80000-0x0000000005EE6000-memory.dmp

Filesize
408KB

Download
memory/4184-17-0x0000000005170000-0x00000000051A6000-memory.dmp

Filesize
216KB

Download
memory/4184-39-0x0000000006710000-0x000000000672E000-memory.dmp

Filesize
120KB

Download
memory/4184-40-0x0000000006840000-0x000000000688C000-memory.dmp

Filesize
304KB

Download
memory/4184-41-0x00000000076C0000-0x00000000076F2000-memory.dmp

Filesize
200KB

Download
memory/4184-66-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4184-21-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/4184-55-0x0000000008070000-0x00000000086EA000-memory.dmp

Filesize
6.5MB

Download
memory/4184-54-0x0000000007900000-0x00000000079A3000-memory.dmp

Filesize
652KB

Download
memory/4184-53-0x0000000006CC0000-0x0000000006CDE000-memory.dmp

Filesize
120KB

Download
memory/4184-56-0x0000000007A30000-0x0000000007A4A000-memory.dmp

Filesize
104KB

Download
memory/4184-57-0x0000000007AA0000-0x0000000007AAA000-memory.dmp

Filesize
40KB

Download
memory/4184-58-0x0000000007CB0000-0x0000000007D46000-memory.dmp

Filesize
600KB

Download
memory/4184-59-0x0000000007C30000-0x0000000007C41000-memory.dmp

Filesize
68KB

Download
memory/4184-60-0x0000000007C60000-0x0000000007C6E000-memory.dmp

Filesize
56KB

Download
memory/4184-61-0x0000000007C70000-0x0000000007C84000-memory.dmp

Filesize
80KB

Download
memory/4184-23-0x0000000005760000-0x0000000005782000-memory.dmp

Filesize
136KB

Download
memory/4184-63-0x0000000007D50000-0x0000000007D58000-memory.dmp

Filesize
32KB

Download
memory/4184-43-0x000000007FC10000-0x000000007FC20000-memory.dmp

Filesize
64KB

Download