formbook | 45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746

Analysis

max time kernel
93s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 01:21

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General

Target

45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe
Size

637KB
MD5

536f359f5908b1a9926b6337c3e520d4
SHA1

d8b7aa1367b6508e1e4ee99c5e0ba9d15b097219
SHA256

45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746
SHA512

dd1c82dc5779f28c33fd8d82b44a9000be1643213c1bd0d68968697e8ed24578f713724300ee73927efe058166dd00344f7e7057a44b2db6cc69efd86f8bdf14
SSDEEP

12288:YvgQpjndCDRIswmfdJ8hWUxE/350N2mDuPZgC5uvqpkqZiBXdQdkR:YvvjdCDRLH1UxE/35tmDuPl5uvRqZitT

Score

10^/10

formbook ss24 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ss24

Decoy

agingwellhc.com

unikbetanggur.autos

eb2024yl.top

ja380.xyz

thehalcyon.studio

maudsoogrim.com

esteler10.click

mewtcp.xyz

www-zjbf1.club

kucinglucu.online

lunwencheck.com

65597.photos

erbxeu358h.top

startable.online

yousend.xyz

csharksg.com

centricoatings.com

ntruhslearn.xyz

achabakra.xyz

zuntool.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/4224-18-0x0000000000400000-0x000000000042F000-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
4000	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-1-5-21-2721909339-1374969515-2476821579-1000\Control Panel\International\Geo\Nation	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4652 set thread context of 4224	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	90

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	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.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
372	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4224	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe
4224	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe
4000	powershell.exe
4000	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4000	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 4000	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	86
PID 4652 wrote to memory of 4000	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	86
PID 4652 wrote to memory of 4000	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	86
PID 4652 wrote to memory of 372	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	88
PID 4652 wrote to memory of 372	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	88
PID 4652 wrote to memory of 372	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	88
PID 4652 wrote to memory of 4224	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	90
PID 4652 wrote to memory of 4224	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	90
PID 4652 wrote to memory of 4224	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	90
PID 4652 wrote to memory of 4224	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	90
PID 4652 wrote to memory of 4224	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	90
PID 4652 wrote to memory of 4224	4652	45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe	90

C:\Users\Admin\AppData\Local\Temp\45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe
"C:\Users\Admin\AppData\Local\Temp\45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4652
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EqtGqZpPskFq.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4000
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EqtGqZpPskFq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A49.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:372
- C:\Users\Admin\AppData\Local\Temp\45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe
  "C:\Users\Admin\AppData\Local\Temp\45bac0cd4b709400f6801f0b6dfaa5eba1d6125d3a859ade0cf2a1e53b637746.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4224

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_smbcve4k.tzp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1A49.tmp

Filesize
1KB

MD5
762555b85b3a65094f5cf231ae9998f8

SHA1
568f0f8977eee8c17b7001d736a789699c26bdf1

SHA256
881cfc21be970526481e22e06ebe1922b297c3ff9fabec5d0e02cca4bbb958d9

SHA512
ac7c0b2803d6bf2e7e6f4e54d535c2496c232a514942ed8297ede9433c06c6c5984c3a43dca2d6e0376341c0022dcea85c3aa317841b3f993160b86444719cf5

Download Submit
memory/4000-24-0x0000000004BB0000-0x0000000004C16000-memory.dmp

Filesize
408KB

Download
memory/4000-52-0x0000000006C50000-0x0000000006CF3000-memory.dmp

Filesize
652KB

Download
memory/4000-64-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4000-60-0x00000000070B0000-0x00000000070CA000-memory.dmp

Filesize
104KB

Download
memory/4000-59-0x0000000006FB0000-0x0000000006FC4000-memory.dmp

Filesize
80KB

Download
memory/4000-58-0x0000000006FA0000-0x0000000006FAE000-memory.dmp

Filesize
56KB

Download
memory/4000-56-0x0000000006FF0000-0x0000000007086000-memory.dmp

Filesize
600KB

Download
memory/4000-55-0x0000000006DE0000-0x0000000006DEA000-memory.dmp

Filesize
40KB

Download
memory/4000-14-0x0000000000CA0000-0x0000000000CD6000-memory.dmp

Filesize
216KB

Download
memory/4000-15-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4000-53-0x00000000073B0000-0x0000000007A2A000-memory.dmp

Filesize
6.5MB

Download
memory/4000-17-0x0000000004C50000-0x0000000005278000-memory.dmp

Filesize
6.2MB

Download
memory/4000-20-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4000-35-0x00000000054A0000-0x00000000057F4000-memory.dmp

Filesize
3.3MB

Download
memory/4000-54-0x0000000006D70000-0x0000000006D8A000-memory.dmp

Filesize
104KB

Download
memory/4000-50-0x0000000006010000-0x000000000602E000-memory.dmp

Filesize
120KB

Download
memory/4000-23-0x0000000004A90000-0x0000000004AB2000-memory.dmp

Filesize
136KB

Download
memory/4000-25-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/4000-61-0x0000000007090000-0x0000000007098000-memory.dmp

Filesize
32KB

Download
memory/4000-57-0x0000000006F70000-0x0000000006F81000-memory.dmp

Filesize
68KB

Download
memory/4000-51-0x0000000000D40000-0x0000000000D50000-memory.dmp

Filesize
64KB

Download
memory/4000-36-0x0000000005A40000-0x0000000005A5E000-memory.dmp

Filesize
120KB

Download
memory/4000-37-0x0000000005C60000-0x0000000005CAC000-memory.dmp

Filesize
304KB

Download
memory/4000-38-0x000000007F1B0000-0x000000007F1C0000-memory.dmp

Filesize
64KB

Download
memory/4000-40-0x0000000071350000-0x000000007139C000-memory.dmp

Filesize
304KB

Download
memory/4000-39-0x0000000006030000-0x0000000006062000-memory.dmp

Filesize
200KB

Download
memory/4224-22-0x0000000001950000-0x0000000001C9A000-memory.dmp

Filesize
3.3MB

Download
memory/4224-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4652-9-0x0000000006F00000-0x0000000006F9C000-memory.dmp

Filesize
624KB

Download
memory/4652-21-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4652-2-0x0000000006070000-0x0000000006614000-memory.dmp

Filesize
5.6MB

Download
memory/4652-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

Filesize
584KB

Download
memory/4652-8-0x0000000006C40000-0x0000000006CB6000-memory.dmp

Filesize
472KB

Download
memory/4652-6-0x0000000006030000-0x0000000006046000-memory.dmp

Filesize
88KB

Download
memory/4652-7-0x0000000006C20000-0x0000000006C2E000-memory.dmp

Filesize
56KB

Download
memory/4652-1-0x0000000000F80000-0x000000000101E000-memory.dmp

Filesize
632KB

Download
memory/4652-5-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4652-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

Filesize
4KB

Download
memory/4652-4-0x0000000005BB0000-0x0000000005BBA000-memory.dmp

Filesize
40KB

Download