formbook | e9c319f012e0574d2bb29ff08b5d44ac65cacdbbd89532e9ad489e94022e621d

General

Target

MAERSK Tracking Document.scr
Size

924KB
MD5

3a8f82508c711f924c54faa42d31a59a
SHA1

b97dc139f2d5027e74f03b1ef9e0949a83d62c54
SHA256

54bd1e36470a85b388bf211308b661eb8f6cf52300ed006a8adaa3d9d087cf9d
SHA512

288aa5b52e6082c383385003b806bf75d9ef17990b3fc6acb5cac5e20710b4a0125729d556a907336269c778fc5bd283c2b2d606230f4729f1515be2d5e69545
SSDEEP

12288:AiB4sLf+BvqbT+ZJjHKqrKdLazzSYCUZRFRrKdFP55FW/Bw8ytA7RATi+esTCmf:AiB4PlFJWqQLkJezjyBjytA7S2mf

Score

10^/10

formbook chu20 bootkit discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

chu20

Decoy

bringingenglewoodtogether.com

corrisneaker.com

findthesellers.info

118isp.com

vrsconcrete.com

tv-format.com

zs-chuangjian.com

karolczyk.online

amacproducts.com

paraisoboipeba.com

eracto.site

secretgardenrsf.com

village-realty.com

penlogos.com

godhasthe.solutions

dow.care

loadgid2sd.com

viewfromthedocs.com

abobo.site

blacksungroupinternational.com

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2952-24-0x0000000003540000-0x0000000003640000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2696	cmd.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

Processes:

MAERSK Tracking Document.scr

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	MAERSK Tracking Document.scr

Suspicious use of SetThreadContext 2 IoCs

Processes:

MAERSK Tracking Document.scrsystray.exe

description	pid	Process	procid_target
PID 2952 set thread context of 1188	2952	MAERSK Tracking Document.scr	21
PID 2652 set thread context of 1188	2652	systray.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:

MAERSK Tracking Document.scrsystray.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MAERSK Tracking Document.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

MAERSK Tracking Document.scrsystray.exe

pid	Process
2952	MAERSK Tracking Document.scr
2952	MAERSK Tracking Document.scr
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe
2652	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MAERSK Tracking Document.scrsystray.exe

pid	Process
2952	MAERSK Tracking Document.scr
2952	MAERSK Tracking Document.scr
2952	MAERSK Tracking Document.scr
2652	systray.exe
2652	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MAERSK Tracking Document.scrsystray.exe

description	pid	Process
Token: SeDebugPrivilege	2952	MAERSK Tracking Document.scr
Token: SeDebugPrivilege	2652	systray.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Explorer.EXEsystray.exe

description	pid	Process	procid_target
PID 1188 wrote to memory of 2652	1188	Explorer.EXE	30
PID 1188 wrote to memory of 2652	1188	Explorer.EXE	30
PID 1188 wrote to memory of 2652	1188	Explorer.EXE	30
PID 1188 wrote to memory of 2652	1188	Explorer.EXE	30
PID 2652 wrote to memory of 2696	2652	systray.exe	31
PID 2652 wrote to memory of 2696	2652	systray.exe	31
PID 2652 wrote to memory of 2696	2652	systray.exe	31
PID 2652 wrote to memory of 2696	2652	systray.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\MAERSK Tracking Document.scr
  "C:\Users\Admin\AppData\Local\Temp\MAERSK Tracking Document.scr" /S
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:2952
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:2652
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MAERSK Tracking Document.scr"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1188-26-0x0000000004ED0000-0x0000000004FAD000-memory.dmp

Filesize
884KB

Download
memory/1188-31-0x0000000004ED0000-0x0000000004FAD000-memory.dmp

Filesize
884KB

Download
memory/2652-28-0x0000000000FC0000-0x0000000000FC5000-memory.dmp

Filesize
20KB

Download
memory/2652-29-0x0000000000FC0000-0x0000000000FC5000-memory.dmp

Filesize
20KB

Download
memory/2952-6-0x0000000001EC0000-0x0000000001EC2000-memory.dmp

Filesize
8KB

Download
memory/2952-15-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2952-12-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

Filesize
4KB

Download
memory/2952-11-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

Filesize
4KB

Download
memory/2952-10-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/2952-9-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/2952-8-0x0000000001D80000-0x0000000001D81000-memory.dmp

Filesize
4KB

Download
memory/2952-7-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

Filesize
4KB

Download
memory/2952-0-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2952-5-0x0000000001D70000-0x0000000001D71000-memory.dmp

Filesize
4KB

Download
memory/2952-4-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2952-13-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/2952-16-0x0000000001CB0000-0x0000000001CF2000-memory.dmp

Filesize
264KB

Download
memory/2952-18-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/2952-17-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2952-22-0x0000000003910000-0x0000000003C13000-memory.dmp

Filesize
3.0MB

Download
memory/2952-25-0x00000000038C0000-0x00000000038D4000-memory.dmp

Filesize
80KB

Download
memory/2952-24-0x0000000003540000-0x0000000003640000-memory.dmp

Filesize
1024KB

Download
memory/2952-14-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/2952-30-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2952-2-0x0000000001D50000-0x0000000001D51000-memory.dmp

Filesize
4KB

Download
memory/2952-3-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2952-1-0x0000000001CB0000-0x0000000001CF2000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads