formbook | 3e9f3a83f830c41cfec094e86c31a8c79c032814a4f029eba014cf90b7db75ab

Analysis

max time kernel
149s
max time network
141s
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 08:25

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General

Target

MalwareBazaar.exe
Size

615KB
MD5

1cc3edbb74f2ee6d727579c246057f95
SHA1

2e7ee47afb0752c640b598f5bb7efada674af88d
SHA256

3e9f3a83f830c41cfec094e86c31a8c79c032814a4f029eba014cf90b7db75ab
SHA512

4fd715f9487daba8cfe32f4463cc675cf681a1377a2c1d097d74aa8bf63c54cd8f510761b4d49d6259ae315ab66670684b216d4d6217cd0a4cd5925cf3123de4
SSDEEP

12288:NeFFFFFFFF6VxOpnAArP4R1PiXQF7wxqMrI3NL/P9IqeiT/ihYWZRvYZo+5oK:NeFFFFFFFF6VwaArwRA+wgMr6lP93eiF

Score

10^/10

formbook sy52 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sy52

Decoy

wxxj.asia

emu-oil.online

theprogressiontalks.com

saigonvape.com

cb257.pro

inucana.com

xn--pdr89n.vip

vtc.bzh

connexionsink.com

mastersofthevibes.com

mallsetuae.shop

bellaandbling.com

wagi88.one

273618.bid

japanvietnam-mall.com

lkd1t.rest

oflgjgiq.xyz

calliblography.com

idz8u.vip

marrybears.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1132-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1132-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4200-68-0x0000000000820000-0x000000000084F000-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
1808	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-1-5-21-195445723-368091294-1661186673-1000\Control Panel\International\Geo\Nation	MalwareBazaar.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3416 set thread context of 1132	3416	MalwareBazaar.exe	88
PID 1132 set thread context of 3368	1132	MalwareBazaar.exe	55
PID 4200 set thread context of 3368	4200	cmd.exe	55

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 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3416	MalwareBazaar.exe
3416	MalwareBazaar.exe
1132	MalwareBazaar.exe
1132	MalwareBazaar.exe
1132	MalwareBazaar.exe
1132	MalwareBazaar.exe
1808	powershell.exe
1808	powershell.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe
4200	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1132	MalwareBazaar.exe
1132	MalwareBazaar.exe
1132	MalwareBazaar.exe
4200	cmd.exe
4200	cmd.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3416	MalwareBazaar.exe
Token: SeDebugPrivilege	1132	MalwareBazaar.exe
Token: SeDebugPrivilege	1808	powershell.exe
Token: SeDebugPrivilege	4200	cmd.exe
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3368	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 1808	3416	MalwareBazaar.exe	86
PID 3416 wrote to memory of 1808	3416	MalwareBazaar.exe	86
PID 3416 wrote to memory of 1808	3416	MalwareBazaar.exe	86
PID 3416 wrote to memory of 1132	3416	MalwareBazaar.exe	88
PID 3416 wrote to memory of 1132	3416	MalwareBazaar.exe	88
PID 3416 wrote to memory of 1132	3416	MalwareBazaar.exe	88
PID 3416 wrote to memory of 1132	3416	MalwareBazaar.exe	88
PID 3416 wrote to memory of 1132	3416	MalwareBazaar.exe	88
PID 3416 wrote to memory of 1132	3416	MalwareBazaar.exe	88
PID 3368 wrote to memory of 4200	3368	Explorer.EXE	89
PID 3368 wrote to memory of 4200	3368	Explorer.EXE	89
PID 3368 wrote to memory of 4200	3368	Explorer.EXE	89
PID 4200 wrote to memory of 4368	4200	cmd.exe	90
PID 4200 wrote to memory of 4368	4200	cmd.exe	90
PID 4200 wrote to memory of 4368	4200	cmd.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3368
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3416
- - 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\MalwareBazaar.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1808
- - C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4200
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4368

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_md5zodwo.fpl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1132-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1132-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1132-17-0x0000000001400000-0x0000000001415000-memory.dmp

Filesize
84KB

Download
memory/1132-13-0x0000000000F00000-0x000000000124A000-memory.dmp

Filesize
3.3MB

Download
memory/1808-30-0x00000000061F0000-0x0000000006256000-memory.dmp

Filesize
408KB

Download
memory/1808-55-0x0000000007BE0000-0x0000000007BEA000-memory.dmp

Filesize
40KB

Download
memory/1808-31-0x0000000006260000-0x00000000065B4000-memory.dmp

Filesize
3.3MB

Download
memory/1808-36-0x0000000006850000-0x000000000686E000-memory.dmp

Filesize
120KB

Download
memory/1808-65-0x0000000007E90000-0x0000000007E98000-memory.dmp

Filesize
32KB

Download
memory/1808-64-0x0000000007EB0000-0x0000000007ECA000-memory.dmp

Filesize
104KB

Download
memory/1808-63-0x0000000007DB0000-0x0000000007DC4000-memory.dmp

Filesize
80KB

Download
memory/1808-62-0x0000000007DA0000-0x0000000007DAE000-memory.dmp

Filesize
56KB

Download
memory/1808-15-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/1808-19-0x00000000052A0000-0x00000000052D6000-memory.dmp

Filesize
216KB

Download
memory/1808-20-0x0000000001620000-0x0000000001630000-memory.dmp

Filesize
64KB

Download
memory/1808-18-0x0000000001620000-0x0000000001630000-memory.dmp

Filesize
64KB

Download
memory/1808-57-0x0000000007D70000-0x0000000007D81000-memory.dmp

Filesize
68KB

Download
memory/1808-56-0x0000000007DF0000-0x0000000007E86000-memory.dmp

Filesize
600KB

Download
memory/1808-21-0x0000000005910000-0x0000000005F38000-memory.dmp

Filesize
6.2MB

Download
memory/1808-37-0x00000000068E0000-0x000000000692C000-memory.dmp

Filesize
304KB

Download
memory/1808-23-0x00000000060B0000-0x00000000060D2000-memory.dmp

Filesize
136KB

Download
memory/1808-29-0x0000000006180000-0x00000000061E6000-memory.dmp

Filesize
408KB

Download
memory/1808-54-0x0000000007B70000-0x0000000007B8A000-memory.dmp

Filesize
104KB

Download
memory/1808-53-0x00000000081C0000-0x000000000883A000-memory.dmp

Filesize
6.5MB

Download
memory/1808-52-0x0000000007A30000-0x0000000007AD3000-memory.dmp

Filesize
652KB

Download
memory/1808-48-0x0000000001620000-0x0000000001630000-memory.dmp

Filesize
64KB

Download
memory/1808-51-0x0000000006E00000-0x0000000006E1E000-memory.dmp

Filesize
120KB

Download
memory/1808-38-0x000000007EF50000-0x000000007EF60000-memory.dmp

Filesize
64KB

Download
memory/1808-39-0x0000000006E20000-0x0000000006E52000-memory.dmp

Filesize
200KB

Download
memory/1808-40-0x00000000708C0000-0x000000007090C000-memory.dmp

Filesize
304KB

Download
memory/3368-72-0x00000000091C0000-0x0000000009319000-memory.dmp

Filesize
1.3MB

Download
memory/3368-70-0x0000000009390000-0x000000000951B000-memory.dmp

Filesize
1.5MB

Download
memory/3368-22-0x0000000009390000-0x000000000951B000-memory.dmp

Filesize
1.5MB

Download
memory/3416-8-0x0000000006A00000-0x0000000006A76000-memory.dmp

Filesize
472KB

Download
memory/3416-4-0x00000000058A0000-0x00000000058AA000-memory.dmp

Filesize
40KB

Download
memory/3416-6-0x00000000083E0000-0x00000000083F6000-memory.dmp

Filesize
88KB

Download
memory/3416-2-0x0000000005E40000-0x00000000063E4000-memory.dmp

Filesize
5.6MB

Download
memory/3416-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/3416-3-0x00000000057D0000-0x0000000005862000-memory.dmp

Filesize
584KB

Download
memory/3416-7-0x00000000069F0000-0x00000000069FE000-memory.dmp

Filesize
56KB

Download
memory/3416-1-0x0000000000D60000-0x0000000000E00000-memory.dmp

Filesize
640KB

Download
memory/3416-12-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/3416-5-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/3416-9-0x0000000006CC0000-0x0000000006D5C000-memory.dmp

Filesize
624KB

Download
memory/4200-68-0x0000000000820000-0x000000000084F000-memory.dmp

Filesize
188KB

Download
memory/4200-58-0x0000000000010000-0x000000000006A000-memory.dmp

Filesize
360KB

Download
memory/4200-61-0x0000000000010000-0x000000000006A000-memory.dmp

Filesize
360KB

Download