formbook | d56e9061e7f6df6e094d1582d817c381f8ce9ac6c3925cba5da96464487a18b7

General

Target

GSO3357.exe
Size

654KB
MD5

c77b45b902fb66b1bda25f0c9f32c152
SHA1

e17705713ede18731797bbfd7b5eb31a7ca52477
SHA256

d56e9061e7f6df6e094d1582d817c381f8ce9ac6c3925cba5da96464487a18b7
SHA512

61af84f112b704230a8f07ead38678e2e3052f55a86e8e7c8b480be2a0da03546801d03d328e663a6ba284ded71bba22bac3caf8365848b2e3e8abf8dfb2d348
SSDEEP

12288:Td4CMwtBBGV/8nu3JKhuL3RlcYgbXvApn76bUtaj6b0jZEgVzvF7B5P9ylA:FBJu3FLBlcYEXvApn76bJ3tEAzvNDP4

Score

10^/10

formbook hy07 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy07

Decoy

katemclaughl.in

worthyofficial.com

digitopia.click

ledmee.com

siwaasnz.life

ba-y.com

specifiedbuild.com

abandoned-houses-pt-0.bond

yesxoit.xyz

onlinemehrgeld.com

gosysamergoods.com

speakdontell.com

brokenequipmentsolutions.online

gruppofebi.cloud

adilosk.shop

supplierpartnerportal.com

wizov.dev

fast-homeinsurance.com

j88.vote

onamaevn.com

Signatures

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

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2612-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2612-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2612-35-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2692-40-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/2692-42-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1216 cmd.exe

pid	process
1216	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

GSO3357.exeGSO3357.exemstsc.exe

description	pid	process	target process
PID 1776 set thread context of 2612	1776	GSO3357.exe	GSO3357.exe
PID 2612 set thread context of 1184	2612	GSO3357.exe	Explorer.EXE
PID 2612 set thread context of 1184	2612	GSO3357.exe	Explorer.EXE
PID 2692 set thread context of 1184	2692	mstsc.exe	Explorer.EXE

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

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/Job
T1053

Processes:

schtasks.exe

pid process

2596 schtasks.exe

pid	process
2596	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

GSO3357.exeGSO3357.exepowershell.exemstsc.exe

pid	process
1776	GSO3357.exe
1776	GSO3357.exe
2612	GSO3357.exe
2612	GSO3357.exe
2504	powershell.exe
2612	GSO3357.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe
2692	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

GSO3357.exemstsc.exe

pid process

2612 GSO3357.exe
2612 GSO3357.exe
2612 GSO3357.exe
2612 GSO3357.exe
2692 mstsc.exe
2692 mstsc.exe

pid	process
2612	GSO3357.exe
2612	GSO3357.exe
2612	GSO3357.exe
2612	GSO3357.exe
2692	mstsc.exe
2692	mstsc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

GSO3357.exeGSO3357.exepowershell.exemstsc.exe

description	pid	process
Token: SeDebugPrivilege	1776	GSO3357.exe
Token: SeDebugPrivilege	2612	GSO3357.exe
Token: SeDebugPrivilege	2504	powershell.exe
Token: SeDebugPrivilege	2692	mstsc.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

GSO3357.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 1776 wrote to memory of 2504	1776	GSO3357.exe	powershell.exe
PID 1776 wrote to memory of 2504	1776	GSO3357.exe	powershell.exe
PID 1776 wrote to memory of 2504	1776	GSO3357.exe	powershell.exe
PID 1776 wrote to memory of 2504	1776	GSO3357.exe	powershell.exe
PID 1776 wrote to memory of 2596	1776	GSO3357.exe	schtasks.exe
PID 1776 wrote to memory of 2596	1776	GSO3357.exe	schtasks.exe
PID 1776 wrote to memory of 2596	1776	GSO3357.exe	schtasks.exe
PID 1776 wrote to memory of 2596	1776	GSO3357.exe	schtasks.exe
PID 1776 wrote to memory of 2712	1776	GSO3357.exe	GSO3357.exe
PID 1776 wrote to memory of 2712	1776	GSO3357.exe	GSO3357.exe
PID 1776 wrote to memory of 2712	1776	GSO3357.exe	GSO3357.exe
PID 1776 wrote to memory of 2712	1776	GSO3357.exe	GSO3357.exe
PID 1776 wrote to memory of 2612	1776	GSO3357.exe	GSO3357.exe
PID 1776 wrote to memory of 2612	1776	GSO3357.exe	GSO3357.exe
PID 1776 wrote to memory of 2612	1776	GSO3357.exe	GSO3357.exe
PID 1776 wrote to memory of 2612	1776	GSO3357.exe	GSO3357.exe
PID 1776 wrote to memory of 2612	1776	GSO3357.exe	GSO3357.exe
PID 1776 wrote to memory of 2612	1776	GSO3357.exe	GSO3357.exe
PID 1776 wrote to memory of 2612	1776	GSO3357.exe	GSO3357.exe
PID 1184 wrote to memory of 2692	1184	Explorer.EXE	mstsc.exe
PID 1184 wrote to memory of 2692	1184	Explorer.EXE	mstsc.exe
PID 1184 wrote to memory of 2692	1184	Explorer.EXE	mstsc.exe
PID 1184 wrote to memory of 2692	1184	Explorer.EXE	mstsc.exe
PID 2692 wrote to memory of 1216	2692	mstsc.exe	cmd.exe
PID 2692 wrote to memory of 1216	2692	mstsc.exe	cmd.exe
PID 2692 wrote to memory of 1216	2692	mstsc.exe	cmd.exe
PID 2692 wrote to memory of 1216	2692	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184

C:\Users\Admin\AppData\Local\Temp\GSO3357.exe
"C:\Users\Admin\AppData\Local\Temp\GSO3357.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ozCkrZdsJL.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2504

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ozCkrZdsJL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C84.tmp"
3⤵
- Creates scheduled task(s)
PID:2596

C:\Users\Admin\AppData\Local\Temp\GSO3357.exe
"C:\Users\Admin\AppData\Local\Temp\GSO3357.exe"
3⤵
PID:2712

C:\Users\Admin\AppData\Local\Temp\GSO3357.exe
"C:\Users\Admin\AppData\Local\Temp\GSO3357.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2612

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\GSO3357.exe"
3⤵
- Deletes itself
PID:1216

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3C84.tmp
Filesize
1KB

MD5
63c1d3d78487e9235b4aec6432b7f11b

SHA1
b0ad03e09798f1fbfb97aeba2c47980832632c34

SHA256
b787a326de8356fe638c99323ce3a94ece90650e3e44641f4943ec66f4439f50

SHA512
20c24ea2ad8a8b5a3725b3ff6cdc6b908744c9bc56b35e4d033845bc46996f6091f66c4d96cedb8c805f7f415d167af2b548e0b252514b87b494aa79767d1f94

Download Submit
memory/1184-28-0x0000000006730000-0x0000000006894000-memory.dmp

Filesize
1.4MB

Download
memory/1184-22-0x0000000003C20000-0x0000000003D20000-memory.dmp

Filesize
1024KB

Download
memory/1184-37-0x0000000004CE0000-0x0000000004E4F000-memory.dmp

Filesize
1.4MB

Download
memory/1184-46-0x0000000004CE0000-0x0000000004E4F000-memory.dmp

Filesize
1.4MB

Download
memory/1776-4-0x00000000005B0000-0x00000000005BC000-memory.dmp

Filesize
48KB

Download
memory/1776-5-0x0000000004610000-0x0000000004686000-memory.dmp

Filesize
472KB

Download
memory/1776-0-0x0000000000A50000-0x0000000000AF8000-memory.dmp

Filesize
672KB

Download
memory/1776-3-0x0000000000490000-0x00000000004A2000-memory.dmp

Filesize
72KB

Download
memory/1776-20-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/1776-2-0x0000000004C20000-0x0000000004C60000-memory.dmp

Filesize
256KB

Download
memory/1776-1-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/2504-31-0x000000006EB80000-0x000000006F12B000-memory.dmp

Filesize
5.7MB

Download
memory/2504-32-0x000000006EB80000-0x000000006F12B000-memory.dmp

Filesize
5.7MB

Download
memory/2504-23-0x000000006EB80000-0x000000006F12B000-memory.dmp

Filesize
5.7MB

Download
memory/2504-27-0x0000000002A60000-0x0000000002AA0000-memory.dmp

Filesize
256KB

Download
memory/2504-29-0x0000000002A60000-0x0000000002AA0000-memory.dmp

Filesize
256KB

Download
memory/2504-24-0x0000000002A60000-0x0000000002AA0000-memory.dmp

Filesize
256KB

Download
memory/2612-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2612-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2612-26-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/2612-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2612-36-0x00000000003B0000-0x00000000003C4000-memory.dmp

Filesize
80KB

Download
memory/2612-35-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2612-30-0x0000000000B00000-0x0000000000E03000-memory.dmp

Filesize
3.0MB

Download
memory/2612-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2692-39-0x0000000000120000-0x0000000000224000-memory.dmp

Filesize
1.0MB

Download
memory/2692-40-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2692-41-0x0000000002260000-0x0000000002563000-memory.dmp

Filesize
3.0MB

Download
memory/2692-42-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2692-44-0x00000000021C0000-0x0000000002253000-memory.dmp

Filesize
588KB

Download
memory/2692-38-0x0000000000120000-0x0000000000224000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads