formbook | 7845453819c89f24416bfa15744e3625fafb7544d5beb180f6fe02a4d639b227

General

Target

tmp.exe
Size

829KB
MD5

714adc41d77ffc1c073ea4f3d5828afa
SHA1

a66bf6d42057d3a160da463aed3cfd6e415080b9
SHA256

7845453819c89f24416bfa15744e3625fafb7544d5beb180f6fe02a4d639b227
SHA512

1cdb32f0e96a4a2f0b7a86886625f2f489e9f2958f49f2874cb00730475c81c7621590e0ddc4e9f5cb6d575bf46d3a6f7278e14c823c06d58312f64747cbf506
SSDEEP

12288:lD6qh8oeR7yYPpMCK2pnA7LO//Vn2mkXoej2S4GgJT9rlLFiNX4xWg:4qhsdyspMCAf6tTkClJ1SNXj

Score

10^/10

formbook g2fg rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g2fg

Decoy

snowcrash.website

pointman.us

newheartvalve.care

drandl.com

sandspringsramblers.com

programagubernamental.online

boja.us

mvrsnike.com

mentallyillmotherhood.com

facom.us

programagubernamental.store

izivente.com

roller-v.fr

amazonbioactives.com

metaverseapple.xyz

5gt-mobilevsverizon.com

gtwebsolutions.co

scottdunn.life

usdp.trade

pikmin.run

Signatures

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

Formbook payload 5 IoCs

rat

resource	yara_rule
behavioral1/memory/1892-68-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1892-69-0x000000000041F160-mapping.dmp	formbook
behavioral1/memory/1892-71-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1416-79-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/1416-84-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
1076	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1196 set thread context of 1892	1196	tmp.exe	31
PID 1892 set thread context of 1388	1892	tmp.exe	15
PID 1416 set thread context of 1388	1416	chkdsk.exe	15

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1728	schtasks.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2012	powershell.exe
1892	tmp.exe
1892	tmp.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe
1416	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1892	tmp.exe
1892	tmp.exe
1892	tmp.exe
1416	chkdsk.exe
1416	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	powershell.exe
Token: SeDebugPrivilege	1892	tmp.exe
Token: SeDebugPrivilege	1416	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 2012	1196	tmp.exe	27
PID 1196 wrote to memory of 2012	1196	tmp.exe	27
PID 1196 wrote to memory of 2012	1196	tmp.exe	27
PID 1196 wrote to memory of 2012	1196	tmp.exe	27
PID 1196 wrote to memory of 1728	1196	tmp.exe	29
PID 1196 wrote to memory of 1728	1196	tmp.exe	29
PID 1196 wrote to memory of 1728	1196	tmp.exe	29
PID 1196 wrote to memory of 1728	1196	tmp.exe	29
PID 1196 wrote to memory of 1892	1196	tmp.exe	31
PID 1196 wrote to memory of 1892	1196	tmp.exe	31
PID 1196 wrote to memory of 1892	1196	tmp.exe	31
PID 1196 wrote to memory of 1892	1196	tmp.exe	31
PID 1196 wrote to memory of 1892	1196	tmp.exe	31
PID 1196 wrote to memory of 1892	1196	tmp.exe	31
PID 1196 wrote to memory of 1892	1196	tmp.exe	31
PID 1388 wrote to memory of 1416	1388	Explorer.EXE	32
PID 1388 wrote to memory of 1416	1388	Explorer.EXE	32
PID 1388 wrote to memory of 1416	1388	Explorer.EXE	32
PID 1388 wrote to memory of 1416	1388	Explorer.EXE	32
PID 1416 wrote to memory of 1076	1416	chkdsk.exe	33
PID 1416 wrote to memory of 1076	1416	chkdsk.exe	33
PID 1416 wrote to memory of 1076	1416	chkdsk.exe	33
PID 1416 wrote to memory of 1076	1416	chkdsk.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1196
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GRyjdWVvupydl.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2012
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GRyjdWVvupydl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAEB7.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1728
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1892
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    - Deletes itself
    PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAEB7.tmp

Filesize
1KB

MD5
9ddaeb70c4e0bfd8f90d8434a04b8c57

SHA1
815533599df9f59882f89a3913b7ce7b782f4a91

SHA256
ffb9463998565de673d8c92386a8a511559c882d1b4e1baf0ff8f0052a1d9f4a

SHA512
d7e693cc901fb9d34051a6aeeee6e6951913cf859dbf710a6ee181918a6b799b008771c65d4e82dcaaf0aa60b8919e9f480964192da595d9eaf81d6ed4c3a18d

Download Submit
memory/1196-58-0x0000000000A10000-0x0000000000A1C000-memory.dmp

Filesize
48KB

Download
memory/1196-64-0x0000000005EE0000-0x0000000005F1C000-memory.dmp

Filesize
240KB

Download
memory/1196-55-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1196-59-0x0000000000470000-0x0000000000506000-memory.dmp

Filesize
600KB

Download
memory/1196-57-0x00000000006C0000-0x00000000006D8000-memory.dmp

Filesize
96KB

Download
memory/1196-54-0x0000000000C90000-0x0000000000D64000-memory.dmp

Filesize
848KB

Download
memory/1196-56-0x00000000051B0000-0x000000000528E000-memory.dmp

Filesize
888KB

Download
memory/1388-85-0x0000000006EC0000-0x0000000007047000-memory.dmp

Filesize
1.5MB

Download
memory/1388-83-0x0000000006EC0000-0x0000000007047000-memory.dmp

Filesize
1.5MB

Download
memory/1388-75-0x0000000004D30000-0x0000000004E4A000-memory.dmp

Filesize
1.1MB

Download
memory/1416-84-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1416-82-0x0000000001E90000-0x0000000001F23000-memory.dmp

Filesize
588KB

Download
memory/1416-80-0x0000000001F80000-0x0000000002283000-memory.dmp

Filesize
3.0MB

Download
memory/1416-78-0x0000000000420000-0x0000000000427000-memory.dmp

Filesize
28KB

Download
memory/1416-79-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1892-74-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/1892-73-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/1892-71-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1892-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1892-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1892-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2012-76-0x000000006ED20000-0x000000006F2CB000-memory.dmp

Filesize
5.7MB

Download
memory/2012-72-0x000000006ED20000-0x000000006F2CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads