formbook | a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2024 09:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

MalwareBazaar.exe
Size

707KB
MD5

e975f8c51ed731735835c13c150d3a03
SHA1

1740d4342923f2bef21936af92e2381b58ab6993
SHA256

a2c40c36ad82e27b4db35cb35800e6fcd428983434b9bb11b5005e92b353baad
SHA512

33a9d0d70d1aa57b3353b6e84e34fc3fbf92ede61a9145942f755aa766f8cf7ff5a516d1ea02d657025d5f068c073eb21d4d0d42040afc014dc96ed45eb10404
SSDEEP

12288:p7HSDzsiQEsnXP785zl6lclC75YbfPGl8kurytPmUDvYkz0lj:p7HSDD5sXHlcBal8kuryZfEw0l

Score

10^/10

formbook na10 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

na10

Decoy

tetheus.com

ventlikeyoumeanit.com

tintbliss.com

rinabet357.com

sapphireboutiqueusa.com

abc8bet6.com

xzcn3i7jb13cqei.buzz

pinktravelsnagpur.com

bt365038.com

rtpbossujang303.shop

osthirmaker.com

thelonelyteacup.com

rlc2019.com

couverture-charpente.com

productivagc.com

defendercarcare.com

abcentixdigital.com

petco.ltd

oypivh.top

micro.guru

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/2956-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3792-89-0x00000000013A0000-0x00000000013CF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
100	powershell.exe
2616	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-1-5-21-3881032017-2947584075-2120384563-1000\Control Panel\International\Geo\Nation	MalwareBazaar.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 2956	2280	MalwareBazaar.exe	93
PID 2956 set thread context of 3468	2956	MalwareBazaar.exe	56
PID 3792 set thread context of 3468	3792	explorer.exe	56

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 6 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
5032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
100	powershell.exe
2616	powershell.exe
100	powershell.exe
2616	powershell.exe
2280	MalwareBazaar.exe
2280	MalwareBazaar.exe
2956	MalwareBazaar.exe
2956	MalwareBazaar.exe
2956	MalwareBazaar.exe
2956	MalwareBazaar.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe
3792	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2956	MalwareBazaar.exe
2956	MalwareBazaar.exe
2956	MalwareBazaar.exe
3792	explorer.exe
3792	explorer.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	100	powershell.exe
Token: SeDebugPrivilege	2616	powershell.exe
Token: SeDebugPrivilege	2280	MalwareBazaar.exe
Token: SeDebugPrivilege	2956	MalwareBazaar.exe
Token: SeShutdownPrivilege	3468	Explorer.EXE
Token: SeCreatePagefilePrivilege	3468	Explorer.EXE
Token: SeShutdownPrivilege	3468	Explorer.EXE
Token: SeCreatePagefilePrivilege	3468	Explorer.EXE
Token: SeDebugPrivilege	3792	explorer.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 100	2280	MalwareBazaar.exe	86
PID 2280 wrote to memory of 100	2280	MalwareBazaar.exe	86
PID 2280 wrote to memory of 100	2280	MalwareBazaar.exe	86
PID 2280 wrote to memory of 2616	2280	MalwareBazaar.exe	88
PID 2280 wrote to memory of 2616	2280	MalwareBazaar.exe	88
PID 2280 wrote to memory of 2616	2280	MalwareBazaar.exe	88
PID 2280 wrote to memory of 5032	2280	MalwareBazaar.exe	90
PID 2280 wrote to memory of 5032	2280	MalwareBazaar.exe	90
PID 2280 wrote to memory of 5032	2280	MalwareBazaar.exe	90
PID 2280 wrote to memory of 572	2280	MalwareBazaar.exe	92
PID 2280 wrote to memory of 572	2280	MalwareBazaar.exe	92
PID 2280 wrote to memory of 572	2280	MalwareBazaar.exe	92
PID 2280 wrote to memory of 2956	2280	MalwareBazaar.exe	93
PID 2280 wrote to memory of 2956	2280	MalwareBazaar.exe	93
PID 2280 wrote to memory of 2956	2280	MalwareBazaar.exe	93
PID 2280 wrote to memory of 2956	2280	MalwareBazaar.exe	93
PID 2280 wrote to memory of 2956	2280	MalwareBazaar.exe	93
PID 2280 wrote to memory of 2956	2280	MalwareBazaar.exe	93
PID 3468 wrote to memory of 3792	3468	Explorer.EXE	94
PID 3468 wrote to memory of 3792	3468	Explorer.EXE	94
PID 3468 wrote to memory of 3792	3468	Explorer.EXE	94
PID 3792 wrote to memory of 3712	3792	explorer.exe	95
PID 3792 wrote to memory of 3712	3792	explorer.exe	95
PID 3792 wrote to memory of 3712	3792	explorer.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3468
- 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:2280
- - 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:100
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HUuXEi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2616
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HUuXEi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC3CD.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5032
- - C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    PID:572
- - 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:2956
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:3792
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3712

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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
a46680ed098f5db0183d4971a1ec7770

SHA1
d9ff0317fe935b18168f02a6c731f2504cebc8ea

SHA256
daf52694570de7cfd02e3bbbc10259a09387da5ee61df6e78168f2ac097fc673

SHA512
4ac9799f522dffc57358e9b757d1464a36aae5f35d12f7bce4dd2c56789b19061bad802a34cdf4f4b71658ff7668c8181462a6cf35b63f5ad1c25b9f8c5ef325

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2undny2v.lsr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC3CD.tmp

Filesize
1KB

MD5
2306f81a20cfc5301ea9ac0f201d9060

SHA1
69b26dbadcc8685cdd50e68dc68f2ac8e3124dc1

SHA256
a94c740b229230402d00fb9b6aab442583977a8a3f8446940c62eb1b8216d330

SHA512
745b857808b252e9474d93a4b9ba833ac4e5f2c921088306607bfa8dd745aef3423e1d7d16e5c5299f05f5d361579c3dd93c5f4514babc4284bc317f2eb7dbec

Download Submit
memory/100-45-0x0000000006760000-0x00000000067AC000-memory.dmp

Filesize
304KB

Download
memory/100-20-0x0000000005F00000-0x0000000005F66000-memory.dmp

Filesize
408KB

Download
memory/100-86-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/100-81-0x0000000007D10000-0x0000000007D18000-memory.dmp

Filesize
32KB

Download
memory/100-79-0x0000000007C30000-0x0000000007C44000-memory.dmp

Filesize
80KB

Download
memory/100-78-0x0000000007C20000-0x0000000007C2E000-memory.dmp

Filesize
56KB

Download
memory/100-77-0x0000000007BF0000-0x0000000007C01000-memory.dmp

Filesize
68KB

Download
memory/100-14-0x0000000005130000-0x0000000005166000-memory.dmp

Filesize
216KB

Download
memory/100-15-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/100-16-0x00000000057A0000-0x0000000005DC8000-memory.dmp

Filesize
6.2MB

Download
memory/100-17-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/100-18-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/100-75-0x0000000007A60000-0x0000000007A6A000-memory.dmp

Filesize
40KB

Download
memory/100-73-0x0000000008030000-0x00000000086AA000-memory.dmp

Filesize
6.5MB

Download
memory/100-72-0x0000000006D10000-0x0000000006DB3000-memory.dmp

Filesize
652KB

Download
memory/100-61-0x0000000006C90000-0x0000000006CAE000-memory.dmp

Filesize
120KB

Download
memory/100-21-0x0000000006070000-0x00000000060D6000-memory.dmp

Filesize
408KB

Download
memory/100-50-0x0000000006CC0000-0x0000000006CF2000-memory.dmp

Filesize
200KB

Download
memory/100-19-0x0000000005700000-0x0000000005722000-memory.dmp

Filesize
136KB

Download
memory/100-39-0x00000000060E0000-0x0000000006434000-memory.dmp

Filesize
3.3MB

Download
memory/100-44-0x00000000066D0000-0x00000000066EE000-memory.dmp

Filesize
120KB

Download
memory/100-51-0x00000000707E0000-0x000000007082C000-memory.dmp

Filesize
304KB

Download
memory/2280-3-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/2280-1-0x0000000000450000-0x0000000000506000-memory.dmp

Filesize
728KB

Download
memory/2280-6-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2280-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

Filesize
4KB

Download
memory/2280-49-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2280-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

Filesize
5.6MB

Download
memory/2280-4-0x0000000004F10000-0x0000000004F1A000-memory.dmp

Filesize
40KB

Download
memory/2280-7-0x00000000053E0000-0x00000000053F8000-memory.dmp

Filesize
96KB

Download
memory/2280-8-0x0000000005440000-0x000000000544C000-memory.dmp

Filesize
48KB

Download
memory/2280-5-0x0000000005240000-0x00000000052DC000-memory.dmp

Filesize
624KB

Download
memory/2280-9-0x0000000004920000-0x0000000004996000-memory.dmp

Filesize
472KB

Download
memory/2616-76-0x0000000007540000-0x00000000075D6000-memory.dmp

Filesize
600KB

Download
memory/2616-74-0x00000000072C0000-0x00000000072DA000-memory.dmp

Filesize
104KB

Download
memory/2616-29-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2616-80-0x0000000007600000-0x000000000761A000-memory.dmp

Filesize
104KB

Download
memory/2616-62-0x00000000707E0000-0x000000007082C000-memory.dmp

Filesize
304KB

Download
memory/2616-85-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2616-23-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/2956-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3468-93-0x0000000003700000-0x00000000037A9000-memory.dmp

Filesize
676KB

Download
memory/3792-89-0x00000000013A0000-0x00000000013CF000-memory.dmp

Filesize
188KB

Download
memory/3792-88-0x0000000000EB0000-0x00000000012E3000-memory.dmp

Filesize
4.2MB

Download
memory/3792-87-0x0000000000EB0000-0x00000000012E3000-memory.dmp

Filesize
4.2MB

Download