formbook | ac128e3916d90aa7aede5328b17b0166b1c8883828c118655a54b419d9cddfaa

Analysis

max time kernel
296s
max time network
284s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/09/2024, 18:42

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General

Target

DHL_APC2_240708172813545_8476086290.pdf.exe
Size

1.1MB
MD5

76c40149b0f69c5665d385b82902886e
SHA1

764943417c9e7210f665573062af350d91e0da87
SHA256

cfd3622bf94fdc5308862e61697d0fc00a6038493fe5686a230979b9e7f2fe0e
SHA512

9d41a030755fcad143f391fa48069872969ed90828cf882420289d8c4e25b9b59d29758d699d5698d46a83472fac7887ab4fd0a8eddd4b570c7f53ed6ba504bd
SSDEEP

24576:v4lavt0LkLL9IMixoEgeax7Lnu1Op+baHZMf5fiq9MmCS:qkwkn9IMHeax7TiOH/aPCS

Score

10^/10

formbook rn94 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rn94

Decoy

st68v.xyz

conciergenotary.net

qwechaotk.top

rtpdonatoto29.xyz

8ad.xyz

powermove.top

cameras-30514.bond

vanguardcoffee.shop

umoe53fxc1bsujv.buzz

consultoriamax.net

hplxx.com

ndu.wtf

yzh478c.xyz

bigbrown999.site

xiake07.asia

resdai.xyz

the35678.shop

ba6rf.rest

ceo688.com

phimxhot.xyz

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/668-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/668-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/668-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4000-32-0x0000000000FA0000-0x0000000000FCF000-memory.dmp	formbook

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

Executes dropped EXE 1 IoCs

pid	Process
1600	name.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0003000000022d07-8.dat	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1600 set thread context of 668	1600	name.exe	87
PID 668 set thread context of 3412	668	svchost.exe	56
PID 668 set thread context of 3412	668	svchost.exe	56
PID 4000 set thread context of 3412	4000	raserver.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DHL_APC2_240708172813545_8476086290.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	name.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
668	svchost.exe
668	svchost.exe
668	svchost.exe
668	svchost.exe
668	svchost.exe
668	svchost.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe
4000	raserver.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1600	name.exe
668	svchost.exe
668	svchost.exe
668	svchost.exe
668	svchost.exe
4000	raserver.exe
4000	raserver.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	668	svchost.exe
Token: SeDebugPrivilege	4000	raserver.exe
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
4740	DHL_APC2_240708172813545_8476086290.pdf.exe
4740	DHL_APC2_240708172813545_8476086290.pdf.exe
1600	name.exe
1600	name.exe
3412	Explorer.EXE
3412	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4740	DHL_APC2_240708172813545_8476086290.pdf.exe
4740	DHL_APC2_240708172813545_8476086290.pdf.exe
1600	name.exe
1600	name.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3412	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 1600	4740	DHL_APC2_240708172813545_8476086290.pdf.exe	86
PID 4740 wrote to memory of 1600	4740	DHL_APC2_240708172813545_8476086290.pdf.exe	86
PID 4740 wrote to memory of 1600	4740	DHL_APC2_240708172813545_8476086290.pdf.exe	86
PID 1600 wrote to memory of 668	1600	name.exe	87
PID 1600 wrote to memory of 668	1600	name.exe	87
PID 1600 wrote to memory of 668	1600	name.exe	87
PID 1600 wrote to memory of 668	1600	name.exe	87
PID 668 wrote to memory of 4000	668	svchost.exe	94
PID 668 wrote to memory of 4000	668	svchost.exe	94
PID 668 wrote to memory of 4000	668	svchost.exe	94
PID 4000 wrote to memory of 3392	4000	raserver.exe	95
PID 4000 wrote to memory of 3392	4000	raserver.exe	95
PID 4000 wrote to memory of 3392	4000	raserver.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3412
- C:\Users\Admin\AppData\Local\Temp\DHL_APC2_240708172813545_8476086290.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL_APC2_240708172813545_8476086290.pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4740
- - C:\Users\Admin\AppData\Local\directory\name.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_APC2_240708172813545_8476086290.pdf.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:1600
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_APC2_240708172813545_8476086290.pdf.exe"
      4⤵
      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:668
    - - C:\Windows\SysWOW64\raserver.exe
        
        "C:\Windows\SysWOW64\raserver.exe"
        5⤵
        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:4000
      - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:3392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\emboweling

Filesize
185KB

MD5
6ab735ad89398d1574f60eb6c721c1ae

SHA1
2994ecc08dbc49073b245fceb32f87658c0e02d5

SHA256
5fcbd18d7bd4d4ce387e08b0b0cf003051994501e3be11c443ac2c82f7a54a10

SHA512
ab3892cfbbd40754eb4c2a674b3bb1ad1e7cdfb646dafbf969d08a7aa539ee506aad6bb87aff5b647fc9aeab0b082d58d76456741062cb5460e3c2cdce5cbe85

Download Submit
C:\Users\Admin\AppData\Local\directory\name.exe

Filesize
1.1MB

MD5
76c40149b0f69c5665d385b82902886e

SHA1
764943417c9e7210f665573062af350d91e0da87

SHA256
cfd3622bf94fdc5308862e61697d0fc00a6038493fe5686a230979b9e7f2fe0e

SHA512
9d41a030755fcad143f391fa48069872969ed90828cf882420289d8c4e25b9b59d29758d699d5698d46a83472fac7887ab4fd0a8eddd4b570c7f53ed6ba504bd

Download Submit
memory/668-25-0x00000000032F0000-0x0000000003305000-memory.dmp

Filesize
84KB

Download
memory/668-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/668-18-0x0000000001500000-0x000000000184A000-memory.dmp

Filesize
3.3MB

Download
memory/668-21-0x0000000001480000-0x0000000001495000-memory.dmp

Filesize
84KB

Download
memory/668-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/668-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3412-26-0x00000000090F0000-0x0000000009210000-memory.dmp

Filesize
1.1MB

Download
memory/3412-22-0x0000000008C80000-0x0000000008D5B000-memory.dmp

Filesize
876KB

Download
memory/3412-27-0x0000000008C80000-0x0000000008D5B000-memory.dmp

Filesize
876KB

Download
memory/3412-31-0x00000000090F0000-0x0000000009210000-memory.dmp

Filesize
1.1MB

Download
memory/3412-34-0x0000000009210000-0x00000000092BF000-memory.dmp

Filesize
700KB

Download
memory/3412-35-0x0000000009210000-0x00000000092BF000-memory.dmp

Filesize
700KB

Download
memory/4000-28-0x0000000000CA0000-0x0000000000CBF000-memory.dmp

Filesize
124KB

Download
memory/4000-30-0x0000000000CA0000-0x0000000000CBF000-memory.dmp

Filesize
124KB

Download
memory/4000-32-0x0000000000FA0000-0x0000000000FCF000-memory.dmp

Filesize
188KB

Download
memory/4740-5-0x0000000004CB0000-0x0000000004CB4000-memory.dmp

Filesize
16KB

Download