formbook | e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cada

Analysis

max time kernel
145s
max time network
127s
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 11:44

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General

Target

FedexAwbDetailspdf.exe
Size

544KB
MD5

e081a5f2bea797aad5cd3e9e934bb8e0
SHA1

af59729a38b512cac6c3fd8896bd8123fa9bbdef
SHA256

e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cada
SHA512

af8210c19cdbfbd949d0d92921b98ba791e027548b4eef0f02a1efab7c6b621c5c90fe764c04b90528bd855b11d307c82bd9844adec2a8a731adce5267ab0f6d
SSDEEP

12288:ygRzUZzOZgFlBNeNpoMNfsoHD3DopWIzK//a9N:nk9FlTeXLsoDDRw

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/3724-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3724-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4144-22-0x0000000000940000-0x000000000096F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 3724	1740	FedexAwbDetailspdf.exe	97
PID 3724 set thread context of 3540	3724	FedexAwbDetailspdf.exe	56
PID 4144 set thread context of 3540	4144	cmmon32.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	FedexAwbDetailspdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
1740	FedexAwbDetailspdf.exe
1740	FedexAwbDetailspdf.exe
1740	FedexAwbDetailspdf.exe
3724	FedexAwbDetailspdf.exe
3724	FedexAwbDetailspdf.exe
3724	FedexAwbDetailspdf.exe
3724	FedexAwbDetailspdf.exe
3724	FedexAwbDetailspdf.exe
3724	FedexAwbDetailspdf.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe
4144	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3724	FedexAwbDetailspdf.exe
3724	FedexAwbDetailspdf.exe
3724	FedexAwbDetailspdf.exe
4144	cmmon32.exe
4144	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	FedexAwbDetailspdf.exe
Token: SeDebugPrivilege	3724	FedexAwbDetailspdf.exe
Token: SeDebugPrivilege	4144	cmmon32.exe
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 3724	1740	FedexAwbDetailspdf.exe	97
PID 1740 wrote to memory of 3724	1740	FedexAwbDetailspdf.exe	97
PID 1740 wrote to memory of 3724	1740	FedexAwbDetailspdf.exe	97
PID 1740 wrote to memory of 3724	1740	FedexAwbDetailspdf.exe	97
PID 1740 wrote to memory of 3724	1740	FedexAwbDetailspdf.exe	97
PID 1740 wrote to memory of 3724	1740	FedexAwbDetailspdf.exe	97
PID 3540 wrote to memory of 4144	3540	Explorer.EXE	98
PID 3540 wrote to memory of 4144	3540	Explorer.EXE	98
PID 3540 wrote to memory of 4144	3540	Explorer.EXE	98
PID 4144 wrote to memory of 3736	4144	cmmon32.exe	99
PID 4144 wrote to memory of 3736	4144	cmmon32.exe	99
PID 4144 wrote to memory of 3736	4144	cmmon32.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe
  "C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3724
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:4144
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\FedexAwbDetailspdf.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3736

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:8
1⤵
PID:3044

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/1740-8-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/1740-2-0x0000000005B40000-0x00000000060E4000-memory.dmp

Filesize
5.6MB

Download
memory/1740-9-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1740-10-0x0000000006FB0000-0x0000000007026000-memory.dmp

Filesize
472KB

Download
memory/1740-4-0x0000000005460000-0x000000000546A000-memory.dmp

Filesize
40KB

Download
memory/1740-5-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1740-6-0x0000000006C50000-0x0000000006CE2000-memory.dmp

Filesize
584KB

Download
memory/1740-7-0x0000000005640000-0x0000000005650000-memory.dmp

Filesize
64KB

Download
memory/1740-14-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1740-1-0x0000000000A10000-0x0000000000A9E000-memory.dmp

Filesize
568KB

Download
memory/1740-3-0x0000000005470000-0x0000000005502000-memory.dmp

Filesize
584KB

Download
memory/1740-11-0x00000000096A0000-0x000000000973C000-memory.dmp

Filesize
624KB

Download
memory/1740-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/3540-19-0x0000000003420000-0x000000000356C000-memory.dmp

Filesize
1.3MB

Download
memory/3540-30-0x0000000008A80000-0x0000000008BE9000-memory.dmp

Filesize
1.4MB

Download
memory/3540-28-0x0000000008A80000-0x0000000008BE9000-memory.dmp

Filesize
1.4MB

Download
memory/3540-27-0x0000000008A80000-0x0000000008BE9000-memory.dmp

Filesize
1.4MB

Download
memory/3540-23-0x0000000003420000-0x000000000356C000-memory.dmp

Filesize
1.3MB

Download
memory/3724-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3724-18-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/3724-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3724-15-0x0000000000FA0000-0x00000000012EA000-memory.dmp

Filesize
3.3MB

Download
memory/4144-21-0x00000000003D0000-0x00000000003DC000-memory.dmp

Filesize
48KB

Download
memory/4144-22-0x0000000000940000-0x000000000096F000-memory.dmp

Filesize
188KB

Download
memory/4144-20-0x00000000003D0000-0x00000000003DC000-memory.dmp

Filesize
48KB

Download