formbook | c1a40dbca9d28ac760447f501d812b82312be281ee699fdcc4a6a543077caa3d

General

Target

Requirement of Sonic Tube 50 mm.exe
Size

299KB
MD5

5e51248701b8a456d39854abfe287c86
SHA1

e4c46f8e5d7eceeaab88591c75fb55c8c52b963c
SHA256

c1a40dbca9d28ac760447f501d812b82312be281ee699fdcc4a6a543077caa3d
SHA512

f122ce0ee0daa496fc5714f8e7f0cdffa590877e16a3aba4980afbf9007942264b0ca71de16af81a188e089ffcb39f1ffaf75d0b635ac1b662ff424661f297ee

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.fun4gang.xyz/thg/

Decoy

retrospectphotographydesign.com

jafodraws.com

cigiwie.space

upgradecarehealth.com

12ts.xyz

111indianbend.com

qqchbakery.com

0831xx.com

supecret.com

ayfadopple.com

coldwateradvisors.com

forexgiftcard.com

actionconsultingchile.com

mpsconcrete.net

carmallc.com

b167888.com

simonking.xyz

elitedigitalperformance.com

essentialjanitorialservices.com

barcosocasionberga.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/1980-6-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/320-14-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1628 cmd.exe
Loads dropped DLL 2 IoCs

Processes:

Requirement of Sonic Tube 50 mm.exe

pid process

1340 Requirement of Sonic Tube 50 mm.exe
1340 Requirement of Sonic Tube 50 mm.exe

pid	process
1628	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Requirement of Sonic Tube 50 mm.exeRequirement of Sonic Tube 50 mm.exemsdt.exe

description	pid	process	target process
PID 1340 set thread context of 1980	1340	Requirement of Sonic Tube 50 mm.exe	Requirement of Sonic Tube 50 mm.exe
PID 1980 set thread context of 1196	1980	Requirement of Sonic Tube 50 mm.exe	Explorer.EXE
PID 320 set thread context of 1196	320	msdt.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

Suspicious behavior: EnumeratesProcesses 34 IoCs

Processes:

Requirement of Sonic Tube 50 mm.exeRequirement of Sonic Tube 50 mm.exemsdt.exe

pid	process
1340	Requirement of Sonic Tube 50 mm.exe
1340	Requirement of Sonic Tube 50 mm.exe
1340	Requirement of Sonic Tube 50 mm.exe
1340	Requirement of Sonic Tube 50 mm.exe
1980	Requirement of Sonic Tube 50 mm.exe
1980	Requirement of Sonic Tube 50 mm.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe
320	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Requirement of Sonic Tube 50 mm.exeRequirement of Sonic Tube 50 mm.exemsdt.exe

pid	process
1340	Requirement of Sonic Tube 50 mm.exe
1980	Requirement of Sonic Tube 50 mm.exe
1980	Requirement of Sonic Tube 50 mm.exe
1980	Requirement of Sonic Tube 50 mm.exe
320	msdt.exe
320	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Requirement of Sonic Tube 50 mm.exemsdt.exe

description pid process

Token: SeDebugPrivilege 1980 Requirement of Sonic Tube 50 mm.exe
Token: SeDebugPrivilege 320 msdt.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1980	Requirement of Sonic Tube 50 mm.exe
Token: SeDebugPrivilege	320	msdt.exe

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Requirement of Sonic Tube 50 mm.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 1340 wrote to memory of 1980	1340	Requirement of Sonic Tube 50 mm.exe	Requirement of Sonic Tube 50 mm.exe
PID 1340 wrote to memory of 1980	1340	Requirement of Sonic Tube 50 mm.exe	Requirement of Sonic Tube 50 mm.exe
PID 1340 wrote to memory of 1980	1340	Requirement of Sonic Tube 50 mm.exe	Requirement of Sonic Tube 50 mm.exe
PID 1340 wrote to memory of 1980	1340	Requirement of Sonic Tube 50 mm.exe	Requirement of Sonic Tube 50 mm.exe
PID 1340 wrote to memory of 1980	1340	Requirement of Sonic Tube 50 mm.exe	Requirement of Sonic Tube 50 mm.exe
PID 1196 wrote to memory of 320	1196	Explorer.EXE	msdt.exe
PID 1196 wrote to memory of 320	1196	Explorer.EXE	msdt.exe
PID 1196 wrote to memory of 320	1196	Explorer.EXE	msdt.exe
PID 1196 wrote to memory of 320	1196	Explorer.EXE	msdt.exe
PID 320 wrote to memory of 1628	320	msdt.exe	cmd.exe
PID 320 wrote to memory of 1628	320	msdt.exe	cmd.exe
PID 320 wrote to memory of 1628	320	msdt.exe	cmd.exe
PID 320 wrote to memory of 1628	320	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1196

C:\Users\Admin\AppData\Local\Temp\Requirement of Sonic Tube 50 mm.exe
"C:\Users\Admin\AppData\Local\Temp\Requirement of Sonic Tube 50 mm.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1340

C:\Users\Admin\AppData\Local\Temp\Requirement of Sonic Tube 50 mm.exe
"C:\Users\Admin\AppData\Local\Temp\Requirement of Sonic Tube 50 mm.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1980

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:320

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Requirement of Sonic Tube 50 mm.exe"
3⤵
- Deletes itself
PID:1628

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nlpbha0c.dll
MD5
34d8148a0d0b33fdfe9f89c44c8707ec

SHA1
265339396a2cd3eaf6bf402b6efd71b26a53714b

SHA256
de162165c56d9255db512fe5be1231dd314be01601ffdd0b41c99999acfc1927

SHA512
19aa24537ceacd879c09147a3efa9a30fc54a1bcbe2b8ec7c06c8707fb74ebd7402fef5345f612672d7b1b9d24be66ae9eff844b1fa6538453124749b8ce5738

Download Submit
\Users\Admin\AppData\Local\Temp\nssAFEF.tmp\System.dll
MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/320-16-0x0000000000AA0000-0x0000000000B33000-memory.dmp

Filesize
588KB

Download
memory/320-15-0x0000000002270000-0x0000000002573000-memory.dmp

Filesize
3.0MB

Download
memory/320-10-0x0000000000000000-mapping.dmp

Download
memory/320-12-0x0000000000D70000-0x0000000000E64000-memory.dmp

Filesize
976KB

Download
memory/320-14-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1196-17-0x0000000004140000-0x000000000425E000-memory.dmp

Filesize
1.1MB

Download
memory/1196-9-0x0000000006F20000-0x0000000007096000-memory.dmp

Filesize
1.5MB

Download
memory/1340-2-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

Download
memory/1628-13-0x0000000000000000-mapping.dmp

Download
memory/1980-5-0x000000000041EAE0-mapping.dmp

Download
memory/1980-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1980-8-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/1980-7-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads