formbook | ac128e3916d90aa7aede5328b17b0166b1c8883828c118655a54b419d9cddfaa

Analysis

max time kernel
300s
max time network
293s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2824-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2824-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2648-30-0x0000000000080000-0x00000000000AF000-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
2760	name.exe

Loads dropped DLL 1 IoCs

pid	Process
3012	DHL_APC2_240708172813545_8476086290.pdf.exe

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0006000000017415-7.dat	autoit_exe
behavioral1/memory/2760-18-0x0000000000140000-0x000000000025C000-memory.dmp	autoit_exe
behavioral1/memory/2760-21-0x0000000000140000-0x000000000025C000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2760 set thread context of 2824	2760	name.exe	31
PID 2824 set thread context of 1232	2824	svchost.exe	21
PID 2648 set thread context of 1232	2648	msdt.exe	21

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	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	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2824	svchost.exe
2824	svchost.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe
2648	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2760	name.exe
2824	svchost.exe
2824	svchost.exe
2824	svchost.exe
2648	msdt.exe
2648	msdt.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	svchost.exe
Token: SeDebugPrivilege	2648	msdt.exe
Token: SeShutdownPrivilege	1232	Explorer.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
3012	DHL_APC2_240708172813545_8476086290.pdf.exe
3012	DHL_APC2_240708172813545_8476086290.pdf.exe
2760	name.exe
2760	name.exe
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
3012	DHL_APC2_240708172813545_8476086290.pdf.exe
3012	DHL_APC2_240708172813545_8476086290.pdf.exe
2760	name.exe
2760	name.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2760	3012	DHL_APC2_240708172813545_8476086290.pdf.exe	30
PID 3012 wrote to memory of 2760	3012	DHL_APC2_240708172813545_8476086290.pdf.exe	30
PID 3012 wrote to memory of 2760	3012	DHL_APC2_240708172813545_8476086290.pdf.exe	30
PID 3012 wrote to memory of 2760	3012	DHL_APC2_240708172813545_8476086290.pdf.exe	30
PID 2760 wrote to memory of 2824	2760	name.exe	31
PID 2760 wrote to memory of 2824	2760	name.exe	31
PID 2760 wrote to memory of 2824	2760	name.exe	31
PID 2760 wrote to memory of 2824	2760	name.exe	31
PID 2760 wrote to memory of 2824	2760	name.exe	31
PID 1232 wrote to memory of 2648	1232	Explorer.EXE	32
PID 1232 wrote to memory of 2648	1232	Explorer.EXE	32
PID 1232 wrote to memory of 2648	1232	Explorer.EXE	32
PID 1232 wrote to memory of 2648	1232	Explorer.EXE	32
PID 2648 wrote to memory of 2508	2648	msdt.exe	33
PID 2648 wrote to memory of 2508	2648	msdt.exe	33
PID 2648 wrote to memory of 2508	2648	msdt.exe	33
PID 2648 wrote to memory of 2508	2648	msdt.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1232
- 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⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3012
- - 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:2760
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_APC2_240708172813545_8476086290.pdf.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2824
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:2648
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2508

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

\Users\Admin\AppData\Local\directory\name.exe

Filesize
1.1MB

MD5
76c40149b0f69c5665d385b82902886e

SHA1
764943417c9e7210f665573062af350d91e0da87

SHA256
cfd3622bf94fdc5308862e61697d0fc00a6038493fe5686a230979b9e7f2fe0e

SHA512
9d41a030755fcad143f391fa48069872969ed90828cf882420289d8c4e25b9b59d29758d699d5698d46a83472fac7887ab4fd0a8eddd4b570c7f53ed6ba504bd

Download Submit
memory/1232-37-0x00000000073A0000-0x0000000007508000-memory.dmp

Filesize
1.4MB

Download
memory/1232-31-0x0000000006010000-0x00000000060E2000-memory.dmp

Filesize
840KB

Download
memory/1232-27-0x0000000006010000-0x00000000060E2000-memory.dmp

Filesize
840KB

Download
memory/1232-26-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2648-28-0x0000000000490000-0x0000000000584000-memory.dmp

Filesize
976KB

Download
memory/2648-30-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2648-29-0x0000000000490000-0x0000000000584000-memory.dmp

Filesize
976KB

Download
memory/2760-18-0x0000000000140000-0x000000000025C000-memory.dmp

Filesize
1.1MB

Download
memory/2760-21-0x0000000000140000-0x000000000025C000-memory.dmp

Filesize
1.1MB

Download
memory/2824-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-25-0x0000000000210000-0x0000000000225000-memory.dmp

Filesize
84KB

Download
memory/2824-22-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/3012-5-0x00000000001F0000-0x00000000001F4000-memory.dmp

Filesize
16KB

Download