formbook | a0592505ea38b395237adc77624c613ca16cb99f296549c6b128b7d8c4e17ecc

General

Target

bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
Size

623KB
MD5

d796106a6798936495f83e5eeb341c90
SHA1

671a5437ce4fe56510909a852916a19eaf983dc6
SHA256

bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e
SHA512

9cbb995f2d32fef68348d0037ea8b6fac98ba86905b96658bf527961ae04f63ce65a23efcb4dee6e6fe8b3f1e5cf77e40221fd92dff925e0a60c2563eac2a7f7

Score

10^/10

formbook jr04 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jr04

Decoy

usatotribu.com

jak-omi.xyz

spacemozaic.pro

fordheritagevauly.com

vinted.beauty

gowebinar4u.com

infinixmediapty.com

dingquanjr.com

vahidblog.com

kgav99q.icu

healtyneck.com

assg3cd.icu

airconditionerworld.site

opinkmflotp.site

mineclicker.net

davidsonfessettlement.com

secured-verification.com

kgwjqaj.icu

subtmv.xyz

auntysocialvintage.com

Signatures

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

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1700-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1700-68-0x000000000041F0A0-mapping.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe

description	pid	process	target process
PID 1948 set thread context of 1700	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe

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

Processes:

schtasks.exe

pid process

856 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exepowershell.exe

pid process

1700 bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
1392 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1392 powershell.exe

pid	process
856	schtasks.exe

pid	process
1700	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
1392	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1392	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe

description	pid	process	target process
PID 1948 wrote to memory of 1392	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	powershell.exe
PID 1948 wrote to memory of 1392	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	powershell.exe
PID 1948 wrote to memory of 1392	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	powershell.exe
PID 1948 wrote to memory of 1392	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	powershell.exe
PID 1948 wrote to memory of 856	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	schtasks.exe
PID 1948 wrote to memory of 856	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	schtasks.exe
PID 1948 wrote to memory of 856	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	schtasks.exe
PID 1948 wrote to memory of 856	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	schtasks.exe
PID 1948 wrote to memory of 1700	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
PID 1948 wrote to memory of 1700	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
PID 1948 wrote to memory of 1700	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
PID 1948 wrote to memory of 1700	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
PID 1948 wrote to memory of 1700	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
PID 1948 wrote to memory of 1700	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
PID 1948 wrote to memory of 1700	1948	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe	bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe

C:\Users\Admin\AppData\Local\Temp\bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
"C:\Users\Admin\AppData\Local\Temp\bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ruQKqeQx.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1392

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ruQKqeQx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB16.tmp"
2⤵
- Creates scheduled task(s)
PID:856

C:\Users\Admin\AppData\Local\Temp\bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe
"C:\Users\Admin\AppData\Local\Temp\bb57e60238a1f7954433764a77c251f0b6367120592605b04307bf2d3aec446e.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1700

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBB16.tmp
Filesize
1KB

MD5
355d6d0f4464d498e7ed4f99d37cc683

SHA1
3a46d8e0b82667912366712b54a557af21fe0421

SHA256
96eb9092352201dc3755aa48de4fdb582ebfe175e20dd55502e60851952a257b

SHA512
eafca5fd4c5ac26169167da7145fdb36abd51894252e8c5c979ecd99d87776e0441b5bf764336decb125f070a1746a7c322d18cb47ddff785b36aa5de7c1cb14

Download Submit
memory/856-60-0x0000000000000000-mapping.dmp

Download
memory/1392-71-0x000000006EAE0000-0x000000006F08B000-memory.dmp

Filesize
5.7MB

Download
memory/1392-69-0x000000006EAE0000-0x000000006F08B000-memory.dmp

Filesize
5.7MB

Download
memory/1392-59-0x0000000000000000-mapping.dmp

Download
memory/1700-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1700-70-0x0000000000BF0000-0x0000000000EF3000-memory.dmp

Filesize
3.0MB

Download
memory/1700-68-0x000000000041F0A0-mapping.dmp

Download
memory/1700-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1700-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1948-58-0x0000000005C90000-0x0000000005D08000-memory.dmp

Filesize
480KB

Download
memory/1948-63-0x00000000049E0000-0x0000000004A14000-memory.dmp

Filesize
208KB

Download
memory/1948-54-0x0000000000870000-0x0000000000912000-memory.dmp

Filesize
648KB

Download
memory/1948-57-0x0000000000AB0000-0x0000000000ABE000-memory.dmp

Filesize
56KB

Download
memory/1948-56-0x00000000002C0000-0x00000000002E0000-memory.dmp

Filesize
128KB

Download
memory/1948-55-0x0000000076721000-0x0000000076723000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads