formbook | a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d

General

Target

FedEx Express AWB#5305323204643.exe
Size

675KB
MD5

3ae40912766339837da60e6a29e72791
SHA1

f7a3e4560435770745d04a9abf5ae4b88b29f2a9
SHA256

a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d
SHA512

88446cbf3de77af430bdd18c0d7932789fbe626b236b318701b3e6b1d362d8ac4f6166c84cc254594efa0be9307af4f11bcb3dcee8792e499239e39ad745ec41
SSDEEP

12288:4nCb+eCSmzZmUpNPGNOCQmO51NvC+lyh8A7/tbRTzJc:4uCBMwhGNxi9l4/Tz

Score

10^/10

formbook g92s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g92s

Decoy

utomation-tools-55205.bond

commerce-99094.bond

ufounoufeng.vip

arkknighttransport.net

et9ja.webcam

75511.vip

afiabmfkrk.online

lluminos.live

egitfxtrade.live

zn-lab.net

implifiedprojects.net

mjsnnn5716.shop

ecurity-service-28490.bond

andy888th.online

dno.xyz

ofl.xyz

enamind.net

ellnessdigitalmedia.store

mcreative.studio

wctoken-v2.icu

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2240-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2240-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2240-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2108-27-0x0000000000100000-0x000000000012F000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2124	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

FedEx Express AWB#5305323204643.exeFedEx Express AWB#5305323204643.exechkdsk.exe

description	pid	Process	procid_target
PID 2764 set thread context of 2240	2764	FedEx Express AWB#5305323204643.exe	30
PID 2240 set thread context of 1200	2240	FedEx Express AWB#5305323204643.exe	21
PID 2240 set thread context of 1200	2240	FedEx Express AWB#5305323204643.exe	21
PID 2108 set thread context of 1200	2108	chkdsk.exe	21

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

Processes:

FedEx Express AWB#5305323204643.exechkdsk.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FedEx Express AWB#5305323204643.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chkdsk.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

FedEx Express AWB#5305323204643.exeFedEx Express AWB#5305323204643.exechkdsk.exe

pid	Process
2764	FedEx Express AWB#5305323204643.exe
2764	FedEx Express AWB#5305323204643.exe
2240	FedEx Express AWB#5305323204643.exe
2240	FedEx Express AWB#5305323204643.exe
2240	FedEx Express AWB#5305323204643.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe
2108	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

FedEx Express AWB#5305323204643.exechkdsk.exe

pid	Process
2240	FedEx Express AWB#5305323204643.exe
2240	FedEx Express AWB#5305323204643.exe
2240	FedEx Express AWB#5305323204643.exe
2240	FedEx Express AWB#5305323204643.exe
2108	chkdsk.exe
2108	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

FedEx Express AWB#5305323204643.exeFedEx Express AWB#5305323204643.exechkdsk.exe

description	pid	Process
Token: SeDebugPrivilege	2764	FedEx Express AWB#5305323204643.exe
Token: SeDebugPrivilege	2240	FedEx Express AWB#5305323204643.exe
Token: SeDebugPrivilege	2108	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

FedEx Express AWB#5305323204643.exeExplorer.EXEchkdsk.exe

description	pid	Process	procid_target
PID 2764 wrote to memory of 2240	2764	FedEx Express AWB#5305323204643.exe	30
PID 2764 wrote to memory of 2240	2764	FedEx Express AWB#5305323204643.exe	30
PID 2764 wrote to memory of 2240	2764	FedEx Express AWB#5305323204643.exe	30
PID 2764 wrote to memory of 2240	2764	FedEx Express AWB#5305323204643.exe	30
PID 2764 wrote to memory of 2240	2764	FedEx Express AWB#5305323204643.exe	30
PID 2764 wrote to memory of 2240	2764	FedEx Express AWB#5305323204643.exe	30
PID 2764 wrote to memory of 2240	2764	FedEx Express AWB#5305323204643.exe	30
PID 1200 wrote to memory of 2108	1200	Explorer.EXE	43
PID 1200 wrote to memory of 2108	1200	Explorer.EXE	43
PID 1200 wrote to memory of 2108	1200	Explorer.EXE	43
PID 1200 wrote to memory of 2108	1200	Explorer.EXE	43
PID 2108 wrote to memory of 2124	2108	chkdsk.exe	44
PID 2108 wrote to memory of 2124	2108	chkdsk.exe	44
PID 2108 wrote to memory of 2124	2108	chkdsk.exe	44
PID 2108 wrote to memory of 2124	2108	chkdsk.exe	44

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB#5305323204643.exe
  "C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB#5305323204643.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB#5305323204643.exe
    "C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB#5305323204643.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2240
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:484
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:808
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1268
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2816
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:576
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:592
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:328
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:624
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1424
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1740
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3020
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB#5305323204643.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1200-19-0x0000000004680000-0x0000000004750000-memory.dmp

Filesize
832KB

Download
memory/1200-28-0x0000000004FE0000-0x000000000509A000-memory.dmp

Filesize
744KB

Download
memory/1200-23-0x0000000004680000-0x0000000004750000-memory.dmp

Filesize
832KB

Download
memory/1200-24-0x0000000004FE0000-0x000000000509A000-memory.dmp

Filesize
744KB

Download
memory/2108-27-0x0000000000100000-0x000000000012F000-memory.dmp

Filesize
188KB

Download
memory/2108-26-0x0000000000E10000-0x0000000000E17000-memory.dmp

Filesize
28KB

Download
memory/2108-25-0x0000000000E10000-0x0000000000E17000-memory.dmp

Filesize
28KB

Download
memory/2240-22-0x00000000002F0000-0x0000000000304000-memory.dmp

Filesize
80KB

Download
memory/2240-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2240-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-17-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/2240-16-0x0000000000BC0000-0x0000000000EC3000-memory.dmp

Filesize
3.0MB

Download
memory/2240-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-6-0x0000000005C30000-0x0000000005CA8000-memory.dmp

Filesize
480KB

Download
memory/2764-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2764-14-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2764-3-0x0000000001ED0000-0x0000000001EEC000-memory.dmp

Filesize
112KB

Download
memory/2764-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2764-1-0x0000000000980000-0x0000000000A2E000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads