formbook | 42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe

Analysis

max time kernel
146s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-09-2024 11:45

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General

Target

FedexExpressAWBPDF.exe
Size

570KB
MD5

14ede9b23957c1f6951f9349aac1e5ff
SHA1

eaba8b3dd5cb1d90dc648f004b40410979d09e36
SHA256

42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe
SHA512

6b10adbae6db67ff112a4dc74ddd31c525c5c96c78fef46231d79b2c653b4d042b28d2957fbe24a77c48176b481b0a69a321ba682c7e33bb33962abd114324f0
SSDEEP

12288:uHa0mNx2zIcbKWlCAH8ue+ISEyAxBjF7AHpuJotvbScHBzyyN8MwW:uqx2zd5p8Z+ISHAGschGyG

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

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/2072-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2072-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4872-22-0x0000000000790000-0x00000000007BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1116 set thread context of 2072	1116	FedexExpressAWBPDF.exe	88
PID 2072 set thread context of 3404	2072	FedexExpressAWBPDF.exe	56
PID 4872 set thread context of 3404	4872	WWAHost.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 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	FedexExpressAWBPDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WWAHost.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
1116	FedexExpressAWBPDF.exe
1116	FedexExpressAWBPDF.exe
2072	FedexExpressAWBPDF.exe
2072	FedexExpressAWBPDF.exe
2072	FedexExpressAWBPDF.exe
2072	FedexExpressAWBPDF.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe
4872	WWAHost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2072	FedexExpressAWBPDF.exe
2072	FedexExpressAWBPDF.exe
2072	FedexExpressAWBPDF.exe
4872	WWAHost.exe
4872	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1116	FedexExpressAWBPDF.exe
Token: SeDebugPrivilege	2072	FedexExpressAWBPDF.exe
Token: SeDebugPrivilege	4872	WWAHost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 2072	1116	FedexExpressAWBPDF.exe	88
PID 1116 wrote to memory of 2072	1116	FedexExpressAWBPDF.exe	88
PID 1116 wrote to memory of 2072	1116	FedexExpressAWBPDF.exe	88
PID 1116 wrote to memory of 2072	1116	FedexExpressAWBPDF.exe	88
PID 1116 wrote to memory of 2072	1116	FedexExpressAWBPDF.exe	88
PID 1116 wrote to memory of 2072	1116	FedexExpressAWBPDF.exe	88
PID 3404 wrote to memory of 4872	3404	Explorer.EXE	89
PID 3404 wrote to memory of 4872	3404	Explorer.EXE	89
PID 3404 wrote to memory of 4872	3404	Explorer.EXE	89
PID 4872 wrote to memory of 744	4872	WWAHost.exe	90
PID 4872 wrote to memory of 744	4872	WWAHost.exe	90
PID 4872 wrote to memory of 744	4872	WWAHost.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Users\Admin\AppData\Local\Temp\FedexExpressAWBPDF.exe
  "C:\Users\Admin\AppData\Local\Temp\FedexExpressAWBPDF.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1116
- - C:\Users\Admin\AppData\Local\Temp\FedexExpressAWBPDF.exe
    "C:\Users\Admin\AppData\Local\Temp\FedexExpressAWBPDF.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2072
- C:\Windows\SysWOW64\WWAHost.exe
  "C:\Windows\SysWOW64\WWAHost.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:4872
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\FedexExpressAWBPDF.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1116-13-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1116-0-0x000000007499E000-0x000000007499F000-memory.dmp

Filesize
4KB

Download
memory/1116-2-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/1116-3-0x0000000005840000-0x00000000058D2000-memory.dmp

Filesize
584KB

Download
memory/1116-4-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1116-5-0x00000000058F0000-0x00000000058FA000-memory.dmp

Filesize
40KB

Download
memory/1116-6-0x0000000005BC0000-0x0000000005BD0000-memory.dmp

Filesize
64KB

Download
memory/1116-7-0x000000007499E000-0x000000007499F000-memory.dmp

Filesize
4KB

Download
memory/1116-8-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1116-9-0x0000000007290000-0x0000000007306000-memory.dmp

Filesize
472KB

Download
memory/1116-10-0x0000000009930000-0x00000000099CC000-memory.dmp

Filesize
624KB

Download
memory/1116-1-0x0000000000E20000-0x0000000000EB4000-memory.dmp

Filesize
592KB

Download
memory/2072-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2072-14-0x00000000015B0000-0x00000000018FA000-memory.dmp

Filesize
3.3MB

Download
memory/2072-17-0x0000000001000000-0x0000000001014000-memory.dmp

Filesize
80KB

Download
memory/2072-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3404-18-0x0000000002DD0000-0x0000000002ED9000-memory.dmp

Filesize
1.0MB

Download
memory/3404-27-0x0000000003330000-0x000000000341B000-memory.dmp

Filesize
940KB

Download
memory/3404-23-0x0000000002DD0000-0x0000000002ED9000-memory.dmp

Filesize
1.0MB

Download
memory/3404-28-0x0000000003330000-0x000000000341B000-memory.dmp

Filesize
940KB

Download
memory/3404-30-0x0000000003330000-0x000000000341B000-memory.dmp

Filesize
940KB

Download
memory/4872-19-0x0000000000B30000-0x0000000000C0C000-memory.dmp

Filesize
880KB

Download
memory/4872-21-0x0000000000B30000-0x0000000000C0C000-memory.dmp

Filesize
880KB

Download
memory/4872-22-0x0000000000790000-0x00000000007BF000-memory.dmp

Filesize
188KB

Download