formbook | 626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4

Analysis

max time kernel
93s
max time network
125s
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 01:27

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General

Target

626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe
Size

641KB
MD5

9347166b9363eba1d20b7730637c5e1c
SHA1

25939d1eed435a46a545f5c648ebf38a89921809
SHA256

626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4
SHA512

5b23fa987ee3797012c477dd31ee8721907c49c93e476bca719b3a73cbf87960012840eb749fadce22c0e9d9a6719cb145ad5675cbffcb51116732704d0df243
SSDEEP

12288:QmjQpjndCgO+a8OJnBQs5t54KP015K1bnK2y9979RzAgmU/qUYQ4kR:QmojdCMYBQsr5DYK1bnK2y9VLzA6/H9

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/4892-18-0x0000000000400000-0x000000000042F000-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
2112	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-1-5-21-807826884-2440573969-3755798217-1000\Control Panel\International\Geo\Nation	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3312 set thread context of 4892	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.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
5048	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4892	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe
4892	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe
2112	powershell.exe
2112	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 2112	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	86
PID 3312 wrote to memory of 2112	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	86
PID 3312 wrote to memory of 2112	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	86
PID 3312 wrote to memory of 5048	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	88
PID 3312 wrote to memory of 5048	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	88
PID 3312 wrote to memory of 5048	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	88
PID 3312 wrote to memory of 4892	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	90
PID 3312 wrote to memory of 4892	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	90
PID 3312 wrote to memory of 4892	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	90
PID 3312 wrote to memory of 4892	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	90
PID 3312 wrote to memory of 4892	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	90
PID 3312 wrote to memory of 4892	3312	626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe	90

C:\Users\Admin\AppData\Local\Temp\626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe
"C:\Users\Admin\AppData\Local\Temp\626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\smRgQPiz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2112
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\smRgQPiz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB07.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5048
- C:\Users\Admin\AppData\Local\Temp\626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe
  "C:\Users\Admin\AppData\Local\Temp\626ffcb054c33c59e1caa726e5a71f11f2e6dc81a982afbca8820e09ac7929b4.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4892

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_zz3eenw4.zfi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB07.tmp

Filesize
1KB

MD5
b48858f776700b6e5666874a68bfa335

SHA1
52cd17fc8b443132577fb6669c822e9ffbd73aa2

SHA256
c379b50dd341c5c2450069dcf5c8ffc7c123cb0338f13d5be5f0c89b16f6b171

SHA512
ee509d9b1b3b3fe3c67de53c2d4246623583a360e391a43dcdc5c4bbee333ddb4adf4bef02e4ee7598ad04e6f40d5fc8944cdcd25d44a985ca61dc139b0663c2

Download Submit
memory/2112-24-0x0000000005EE0000-0x0000000005F46000-memory.dmp

Filesize
408KB

Download
memory/2112-57-0x0000000007AD0000-0x0000000007AE1000-memory.dmp

Filesize
68KB

Download
memory/2112-64-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/2112-60-0x0000000007C10000-0x0000000007C2A000-memory.dmp

Filesize
104KB

Download
memory/2112-59-0x0000000007B10000-0x0000000007B24000-memory.dmp

Filesize
80KB

Download
memory/2112-58-0x0000000007B00000-0x0000000007B0E000-memory.dmp

Filesize
56KB

Download
memory/2112-23-0x00000000057F0000-0x0000000005812000-memory.dmp

Filesize
136KB

Download
memory/2112-56-0x0000000007B50000-0x0000000007BE6000-memory.dmp

Filesize
600KB

Download
memory/2112-14-0x0000000002CA0000-0x0000000002CD6000-memory.dmp

Filesize
216KB

Download
memory/2112-15-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/2112-17-0x00000000058B0000-0x0000000005ED8000-memory.dmp

Filesize
6.2MB

Download
memory/2112-55-0x0000000007940000-0x000000000794A000-memory.dmp

Filesize
40KB

Download
memory/2112-54-0x00000000078D0000-0x00000000078EA000-memory.dmp

Filesize
104KB

Download
memory/2112-35-0x00000000060C0000-0x0000000006414000-memory.dmp

Filesize
3.3MB

Download
memory/2112-53-0x0000000007F20000-0x000000000859A000-memory.dmp

Filesize
6.5MB

Download
memory/2112-52-0x00000000077A0000-0x0000000007843000-memory.dmp

Filesize
652KB

Download
memory/2112-30-0x0000000005F50000-0x0000000005FB6000-memory.dmp

Filesize
408KB

Download
memory/2112-51-0x0000000002F00000-0x0000000002F10000-memory.dmp

Filesize
64KB

Download
memory/2112-61-0x0000000007BF0000-0x0000000007BF8000-memory.dmp

Filesize
32KB

Download
memory/2112-50-0x0000000006BD0000-0x0000000006BEE000-memory.dmp

Filesize
120KB

Download
memory/2112-20-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/2112-36-0x00000000065B0000-0x00000000065CE000-memory.dmp

Filesize
120KB

Download
memory/2112-37-0x0000000006640000-0x000000000668C000-memory.dmp

Filesize
304KB

Download
memory/2112-38-0x000000007EF60000-0x000000007EF70000-memory.dmp

Filesize
64KB

Download
memory/2112-39-0x0000000006B70000-0x0000000006BA2000-memory.dmp

Filesize
200KB

Download
memory/2112-40-0x0000000071330000-0x000000007137C000-memory.dmp

Filesize
304KB

Download
memory/3312-8-0x00000000062F0000-0x0000000006366000-memory.dmp

Filesize
472KB

Download
memory/3312-1-0x00000000006B0000-0x0000000000750000-memory.dmp

Filesize
640KB

Download
memory/3312-21-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/3312-3-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/3312-2-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/3312-6-0x0000000005700000-0x0000000005716000-memory.dmp

Filesize
88KB

Download
memory/3312-7-0x00000000062D0000-0x00000000062DE000-memory.dmp

Filesize
56KB

Download
memory/3312-9-0x0000000008B10000-0x0000000008BAC000-memory.dmp

Filesize
624KB

Download
memory/3312-5-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/3312-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download
memory/3312-4-0x0000000005150000-0x000000000515A000-memory.dmp

Filesize
40KB

Download
memory/4892-22-0x0000000001860000-0x0000000001BAA000-memory.dmp

Filesize
3.3MB

Download
memory/4892-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download