formbook | 6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe

Resubmissions

05-08-2024 07:21

240805-h6pnvazcrn 10

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2024 07:21

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General

Target

MalwareBazaar.exe
Size

640KB
MD5

8ae724ab3e2563c045f22b247bb503ca
SHA1

b83ee3453ede32642ed99b27b726d7640e3b9f7e
SHA256

6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe
SHA512

2b1da1732b583c3a66e0a7b35ce73a63cda90aed5beb9db965fddd75e3f1cc721bda0bb3ab06e38569a9d23dc2e1112d20a4c6ee465d42287dd06374c41df43e
SSDEEP

12288:R8xa/zmcDXmbrEtQNwRxifuSuGcaCpPUKKcLP/H2xKiWmY0qSh4Gs:R8xaak0QtQNa6uS9CpUKKcLnGKiW4qpP

Score

10^/10

formbook hy08 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy08

Decoy

weazc.top

servoceimmpajhnuz.info

vqemkdhi.xyz

wergol.com

spa-mk.com

rtpsid88.life

tatetits.fun

raidsa.xyz

suojiansuode.net

jointhejunction.com

wudai.net

typeboot.shop

mksport-app.com

miocloud.ovh

taipan77pandan.com

wwwhg58a.com

khuahamiksai31.pro

carpedatumllc.net

safebinders.com

krx21.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3000-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3000-38-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3000-72-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4520-74-0x00000000005D0000-0x00000000005FF000-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
660	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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	MalwareBazaar.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3108 set thread context of 3000	3108	MalwareBazaar.exe	90
PID 3000 set thread context of 3544	3000	MalwareBazaar.exe	56
PID 3000 set thread context of 3544	3000	MalwareBazaar.exe	56
PID 4520 set thread context of 3544	4520	systray.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 5 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	systray.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

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
2744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
660	powershell.exe
3000	MalwareBazaar.exe
3000	MalwareBazaar.exe
3000	MalwareBazaar.exe
3000	MalwareBazaar.exe
660	powershell.exe
3000	MalwareBazaar.exe
3000	MalwareBazaar.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe
4520	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3000	MalwareBazaar.exe
3000	MalwareBazaar.exe
3000	MalwareBazaar.exe
3000	MalwareBazaar.exe
4520	systray.exe
4520	systray.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	660	powershell.exe
Token: SeDebugPrivilege	3000	MalwareBazaar.exe
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE
Token: SeDebugPrivilege	4520	systray.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3544	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 660	3108	MalwareBazaar.exe	86
PID 3108 wrote to memory of 660	3108	MalwareBazaar.exe	86
PID 3108 wrote to memory of 660	3108	MalwareBazaar.exe	86
PID 3108 wrote to memory of 2744	3108	MalwareBazaar.exe	88
PID 3108 wrote to memory of 2744	3108	MalwareBazaar.exe	88
PID 3108 wrote to memory of 2744	3108	MalwareBazaar.exe	88
PID 3108 wrote to memory of 3000	3108	MalwareBazaar.exe	90
PID 3108 wrote to memory of 3000	3108	MalwareBazaar.exe	90
PID 3108 wrote to memory of 3000	3108	MalwareBazaar.exe	90
PID 3108 wrote to memory of 3000	3108	MalwareBazaar.exe	90
PID 3108 wrote to memory of 3000	3108	MalwareBazaar.exe	90
PID 3108 wrote to memory of 3000	3108	MalwareBazaar.exe	90
PID 3544 wrote to memory of 4520	3544	Explorer.EXE	102
PID 3544 wrote to memory of 4520	3544	Explorer.EXE	102
PID 3544 wrote to memory of 4520	3544	Explorer.EXE	102
PID 4520 wrote to memory of 3432	4520	systray.exe	103
PID 4520 wrote to memory of 3432	4520	systray.exe	103
PID 4520 wrote to memory of 3432	4520	systray.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3544
- 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 use of WriteProcessMemory
  PID:3108
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tjvoRD.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:660
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tjvoRD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD234.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2744
- - 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:3000
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4088
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3956
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4504
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2752
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1228
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3156
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4492
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2508
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:4864
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:5088
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:540
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:4520
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3432

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_vnm3tjp3.ole.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD234.tmp

Filesize
1KB

MD5
ae45cdfbea8a2d33d97cfab1201f8b32

SHA1
dae81493d87344b3623e202386fb9a1b0159400d

SHA256
b00a9744ec638e09045ece98b495f2f50e0924e62b7cae302e0e2657918f2369

SHA512
defdb37d37381223f7367a66c059bc130c472fc6a2fcd1f3a96f0ecd50f77e9ec15c3b98599eb6a756aaeb7aec5cf48716c68cd261d29a418503e3c2f6315a94

Download Submit
memory/660-59-0x0000000008160000-0x00000000087DA000-memory.dmp

Filesize
6.5MB

Download
memory/660-62-0x0000000007DA0000-0x0000000007E36000-memory.dmp

Filesize
600KB

Download
memory/660-70-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/660-67-0x0000000007E40000-0x0000000007E48000-memory.dmp

Filesize
32KB

Download
memory/660-66-0x0000000007E60000-0x0000000007E7A000-memory.dmp

Filesize
104KB

Download
memory/660-65-0x0000000007D60000-0x0000000007D74000-memory.dmp

Filesize
80KB

Download
memory/660-41-0x00000000067F0000-0x000000000680E000-memory.dmp

Filesize
120KB

Download
memory/660-64-0x0000000007D50000-0x0000000007D5E000-memory.dmp

Filesize
56KB

Download
memory/660-63-0x0000000007D20000-0x0000000007D31000-memory.dmp

Filesize
68KB

Download
memory/660-15-0x0000000002EC0000-0x0000000002EF6000-memory.dmp

Filesize
216KB

Download
memory/660-61-0x0000000007B90000-0x0000000007B9A000-memory.dmp

Filesize
40KB

Download
memory/660-42-0x0000000006D50000-0x0000000006D9C000-memory.dmp

Filesize
304KB

Download
memory/660-18-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/660-22-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/660-21-0x0000000005A60000-0x0000000005AC6000-memory.dmp

Filesize
408KB

Download
memory/660-20-0x00000000059F0000-0x0000000005A56000-memory.dmp

Filesize
408KB

Download
memory/660-19-0x0000000005850000-0x0000000005872000-memory.dmp

Filesize
136KB

Download
memory/660-25-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/660-26-0x0000000006110000-0x0000000006464000-memory.dmp

Filesize
3.3MB

Download
memory/660-60-0x0000000007B20000-0x0000000007B3A000-memory.dmp

Filesize
104KB

Download
memory/660-58-0x0000000007A20000-0x0000000007AC3000-memory.dmp

Filesize
652KB

Download
memory/660-57-0x0000000006D10000-0x0000000006D2E000-memory.dmp

Filesize
120KB

Download
memory/660-43-0x00000000077E0000-0x0000000007812000-memory.dmp

Filesize
200KB

Download
memory/660-44-0x00000000757B0000-0x00000000757FC000-memory.dmp

Filesize
304KB

Download
memory/660-46-0x000000007FD20000-0x000000007FD30000-memory.dmp

Filesize
64KB

Download
memory/660-47-0x0000000002F20000-0x0000000002F30000-memory.dmp

Filesize
64KB

Download
memory/660-16-0x0000000005AE0000-0x0000000006108000-memory.dmp

Filesize
6.2MB

Download
memory/3000-36-0x0000000001690000-0x00000000019DA000-memory.dmp

Filesize
3.3MB

Download
memory/3000-72-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3000-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3000-39-0x0000000001140000-0x0000000001155000-memory.dmp

Filesize
84KB

Download
memory/3000-38-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3108-5-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3108-2-0x0000000005A00000-0x0000000005FA4000-memory.dmp

Filesize
5.6MB

Download
memory/3108-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/3108-10-0x0000000007CB0000-0x0000000007D4C000-memory.dmp

Filesize
624KB

Download
memory/3108-8-0x00000000065C0000-0x00000000065D6000-memory.dmp

Filesize
88KB

Download
memory/3108-3-0x0000000005450000-0x00000000054E2000-memory.dmp

Filesize
584KB

Download
memory/3108-1-0x0000000000960000-0x0000000000A06000-memory.dmp

Filesize
664KB

Download
memory/3108-9-0x00000000068D0000-0x0000000006946000-memory.dmp

Filesize
472KB

Download
memory/3108-7-0x00000000059F0000-0x00000000059FE000-memory.dmp

Filesize
56KB

Download
memory/3108-6-0x00000000059C0000-0x00000000059D8000-memory.dmp

Filesize
96KB

Download
memory/3108-45-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3108-4-0x0000000005400000-0x000000000540A000-memory.dmp

Filesize
40KB

Download
memory/3544-40-0x0000000007C30000-0x0000000007D6E000-memory.dmp

Filesize
1.2MB

Download
memory/3544-76-0x0000000007C30000-0x0000000007D6E000-memory.dmp

Filesize
1.2MB

Download
memory/3544-78-0x0000000009080000-0x00000000091E4000-memory.dmp

Filesize
1.4MB

Download
memory/4520-73-0x0000000000040000-0x0000000000046000-memory.dmp

Filesize
24KB

Download
memory/4520-74-0x00000000005D0000-0x00000000005FF000-memory.dmp

Filesize
188KB

Download