formbook | 997644d0d16bbb753f8d5058e19aeb1e28d1a8f46f5f0935183baa3c80debcc2

General

Target

order specifications.exe
Size

657KB
MD5

2c2b342897c2693632051bde77ef39a8
SHA1

f19572d227a440b36d202343b9a6ab20ada5f2b3
SHA256

2ca55ed1af922548fc6abdb7b49386a6d62edd7b6d5609d45f1c369de4fa9269
SHA512

e80f335bef303ebe49279e8035b14d71aaa5c6a79d0b058df5ed22ec5f9d02fe1e59cc0ddd56b1a2e89119b540a61bfcb18dcfef2c47c051a8cbc9d08319a127

Score

10^/10

formbook kvsz rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kvsz

Decoy

okashyns.com

sbsgamedaejeon-two.com

drb77.com

top5dating.com

websprings.online

voizers.com

zenith.site

lahistoriade.com

qv85.com

armandonieto.com

priestvedic.com

jessandjeff.net

magic-desktop.com

jitaji.com

ldmeili.com

yuwanqingmy.com

buzhouorg.com

chaiseloungereviews.com

m2g8way.com

freespin-support.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1164-64-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1164-65-0x000000000041ECA0-mapping.dmp	formbook
behavioral1/memory/1916-73-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

order specifications.exeRegSvcs.exesvchost.exe

description	pid	process	target process
PID 1704 set thread context of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1164 set thread context of 1260	1164	RegSvcs.exe	Explorer.EXE
PID 1916 set thread context of 1260	1916	svchost.exe	Explorer.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

2044 schtasks.exe

pid	process
2044	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

order specifications.exeRegSvcs.exesvchost.exe

pid	process
1704	order specifications.exe
1164	RegSvcs.exe
1164	RegSvcs.exe
1916	svchost.exe
1916	svchost.exe
1916	svchost.exe
1916	svchost.exe
1916	svchost.exe
1916	svchost.exe
1916	svchost.exe
1916	svchost.exe
1916	svchost.exe
1916	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exesvchost.exe

pid process

1164 RegSvcs.exe
1164 RegSvcs.exe
1164 RegSvcs.exe
1916 svchost.exe
1916 svchost.exe

pid	process
1164	RegSvcs.exe
1164	RegSvcs.exe
1164	RegSvcs.exe
1916	svchost.exe
1916	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

order specifications.exeRegSvcs.exesvchost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1704	order specifications.exe
Token: SeDebugPrivilege	1164	RegSvcs.exe
Token: SeDebugPrivilege	1916	svchost.exe
Token: SeShutdownPrivilege	1260	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

order specifications.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1704 wrote to memory of 2044	1704	order specifications.exe	schtasks.exe
PID 1704 wrote to memory of 2044	1704	order specifications.exe	schtasks.exe
PID 1704 wrote to memory of 2044	1704	order specifications.exe	schtasks.exe
PID 1704 wrote to memory of 2044	1704	order specifications.exe	schtasks.exe
PID 1704 wrote to memory of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1704 wrote to memory of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1704 wrote to memory of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1704 wrote to memory of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1704 wrote to memory of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1704 wrote to memory of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1704 wrote to memory of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1704 wrote to memory of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1704 wrote to memory of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1704 wrote to memory of 1164	1704	order specifications.exe	RegSvcs.exe
PID 1260 wrote to memory of 1916	1260	Explorer.EXE	svchost.exe
PID 1260 wrote to memory of 1916	1260	Explorer.EXE	svchost.exe
PID 1260 wrote to memory of 1916	1260	Explorer.EXE	svchost.exe
PID 1260 wrote to memory of 1916	1260	Explorer.EXE	svchost.exe
PID 1916 wrote to memory of 976	1916	svchost.exe	cmd.exe
PID 1916 wrote to memory of 976	1916	svchost.exe	cmd.exe
PID 1916 wrote to memory of 976	1916	svchost.exe	cmd.exe
PID 1916 wrote to memory of 976	1916	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\AppData\Local\Temp\order specifications.exe
"C:\Users\Admin\AppData\Local\Temp\order specifications.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OElfQVLpgn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp95DA.tmp"
3⤵
- Creates scheduled task(s)
PID:2044

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1164

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:976

Network

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp95DA.tmp
Filesize
1KB

MD5
a082484f8ecbe1ba0848e56094f7265a

SHA1
d1e8c079a4f996b0816c247cc499b04c6c432b3c

SHA256
46736a56d0f17cb5e22458ff6e9195ada9983d7f8444b9c8d9fb3fbafcee90d2

SHA512
43fb52b904ad8d62bcd33b6541a44193ab36c6837bd3dead79cd78be750b0bad405e351c5f7456335c4c35cad910452e19b37a3e1cf78cd056ed48d31b2a5622

Download Submit
memory/976-71-0x0000000000000000-mapping.dmp

Download
memory/1164-65-0x000000000041ECA0-mapping.dmp

Download
memory/1164-67-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/1164-68-0x0000000000260000-0x0000000000274000-memory.dmp

Filesize
80KB

Download
memory/1164-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1164-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1164-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1260-76-0x0000000004B50000-0x0000000004C67000-memory.dmp

Filesize
1.1MB

Download
memory/1260-69-0x0000000004190000-0x0000000004292000-memory.dmp

Filesize
1.0MB

Download
memory/1704-55-0x0000000075781000-0x0000000075783000-memory.dmp

Filesize
8KB

Download
memory/1704-54-0x0000000000BF0000-0x0000000000C9A000-memory.dmp

Filesize
680KB

Download
memory/1704-57-0x00000000047A0000-0x0000000004810000-memory.dmp

Filesize
448KB

Download
memory/1704-58-0x00000000020A0000-0x00000000020E4000-memory.dmp

Filesize
272KB

Download
memory/1704-56-0x0000000000370000-0x0000000000380000-memory.dmp

Filesize
64KB

Download
memory/1916-70-0x0000000000000000-mapping.dmp

Download
memory/1916-72-0x0000000000720000-0x0000000000728000-memory.dmp

Filesize
32KB

Download
memory/1916-73-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1916-74-0x0000000000730000-0x0000000000A33000-memory.dmp

Filesize
3.0MB

Download
memory/1916-75-0x00000000004B0000-0x0000000000543000-memory.dmp

Filesize
588KB

Download
memory/2044-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads