formbook | 350dbfb6ec31dad7ca5930a7cc12757f31a39d57dd0788f63dd308fb25546e36

General

Target

Shiment PL.exe
Size

834KB
MD5

1f154fdeb1f182e8e2d4bc203b5ff1f2
SHA1

1950bff0632ad10bd951e0fd5d307b58874cfe9a
SHA256

aa95f30da548dae9304cea73e276f87fdab530186aec142eb83022f1f31f5cb6
SHA512

97dc6d4e23f3928f8895ea63fd1a62eb86e655f537a15876f398db9e392e6f786bbcbd042cdb3a2792bc289521b374bb7d31b858f90dd8b422a1f24c938136f6
SSDEEP

12288:4t6HU8+sP4RbSvdVU0ClncgtmQJrx0T5ssFrHIcEooF3ArxMf4XxQ:c83PmSvdV9Cc2m1NlboBAfXxQ

Score

10^/10

formbook tw7 discovery evasion rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

tw7

Decoy

prestige-reps.com

nhakhoaquoctesmile.com

sicumplex.com

in36972.com

hikoosbyheidi.com

rayinthecity.com

mjwestwoodphotography.com

radiopeek.com

attisit.com

hdcpos.com

xn--halise-1ua.com

bossroyale.com

blstd.com

wniversitet.com

bethumb.pro

romber.info

bergundy.com

kingscoop.com

antiquefactory.net

loiseaudejade.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/580-14-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/580-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	Shiment PL.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	Shiment PL.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Shiment PL.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Shiment PL.exe

Deletes itself 1 IoCs

pid	Process
816	cmd.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Shiment PL.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Shiment PL.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2884 set thread context of 580	2884	Shiment PL.exe	32
PID 580 set thread context of 1212	580	Shiment PL.exe	21
PID 2108 set thread context of 1212	2108	cmstp.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Shiment PL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
580	Shiment PL.exe
580	Shiment PL.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe
2108	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
580	Shiment PL.exe
580	Shiment PL.exe
580	Shiment PL.exe
2108	cmstp.exe
2108	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	580	Shiment PL.exe
Token: SeDebugPrivilege	2108	cmstp.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 580	2884	Shiment PL.exe	32
PID 2884 wrote to memory of 580	2884	Shiment PL.exe	32
PID 2884 wrote to memory of 580	2884	Shiment PL.exe	32
PID 2884 wrote to memory of 580	2884	Shiment PL.exe	32
PID 2884 wrote to memory of 580	2884	Shiment PL.exe	32
PID 2884 wrote to memory of 580	2884	Shiment PL.exe	32
PID 2884 wrote to memory of 580	2884	Shiment PL.exe	32
PID 1212 wrote to memory of 2108	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2108	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2108	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2108	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2108	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2108	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2108	1212	Explorer.EXE	33
PID 2108 wrote to memory of 816	2108	cmstp.exe	34
PID 2108 wrote to memory of 816	2108	cmstp.exe	34
PID 2108 wrote to memory of 816	2108	cmstp.exe	34
PID 2108 wrote to memory of 816	2108	cmstp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\Shiment PL.exe
  "C:\Users\Admin\AppData\Local\Temp\Shiment PL.exe"
  2⤵
  - Looks for VirtualBox Guest Additions in registry
  - Looks for VMWare Tools registry key
  - Checks BIOS information in registry
  - Maps connected drives based on registry
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Users\Admin\AppData\Local\Temp\Shiment PL.exe
    "C:\Users\Admin\AppData\Local\Temp\Shiment PL.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:580
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2108
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Shiment PL.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/580-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/580-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/580-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/580-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/580-19-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/580-16-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/580-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1212-20-0x0000000004400000-0x000000000452A000-memory.dmp

Filesize
1.2MB

Download
memory/1212-24-0x0000000004400000-0x000000000452A000-memory.dmp

Filesize
1.2MB

Download
memory/2108-23-0x0000000000D10000-0x0000000000D28000-memory.dmp

Filesize
96KB

Download
memory/2108-21-0x0000000000D10000-0x0000000000D28000-memory.dmp

Filesize
96KB

Download
memory/2884-7-0x0000000000830000-0x0000000000864000-memory.dmp

Filesize
208KB

Download
memory/2884-1-0x0000000000F70000-0x0000000001046000-memory.dmp

Filesize
856KB

Download
memory/2884-15-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-6-0x0000000004AA0000-0x0000000004B0C000-memory.dmp

Filesize
432KB

Download
memory/2884-5-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-0-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2884-4-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2884-3-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2884-2-0x00000000005E0000-0x00000000005F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads