formbook | bd653c9f26663d5ceb9c21dcbefb79f4a6c3d28e9c2363857a51d4daeab04a71

General

Target

SWIFT_5201660828948016.pdf.exe
Size

12KB
MD5

7735d8206f9275cf9d880695f5c51b1e
SHA1

df731f57a07985af8dc540d9cb828cbce2513a32
SHA256

bd653c9f26663d5ceb9c21dcbefb79f4a6c3d28e9c2363857a51d4daeab04a71
SHA512

855c0fa50de7679f8c05e5e13a1c53372ebac007a2169b9916214479e1031e31939a322057bc48ee9d3b105cbe2c46dda33b65986c6619e10615733f4ead7b13

Score

10^/10

formbook s4s9 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s4s9

Decoy

qianyuandianshang.com

bernardklein.com

slhomeservices.com

findasaas.com

janellelancaster.xyz

umkpro.site

nr6949.online

mersquare.club

lanariproperties.com

3rdeyefocused.com

giftexpress8260.xyz

hilleleven.xyz

beajod.com

kosazs.online

ishare.team

mb314.com

xjjinxingda.com

ayekooprojectamazing.com

ballsybanter.com

todayshoppingbd.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/1288-64-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1288-65-0x000000000041F0E0-mapping.dmp	formbook
behavioral1/memory/1288-71-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1820-74-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/1820-78-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

SWIFT_5201660828948016.pdf.exeMSBuild.exesvchost.exe

description	pid	process	target process
PID 1212 set thread context of 1288	1212	SWIFT_5201660828948016.pdf.exe	MSBuild.exe
PID 1288 set thread context of 1384	1288	MSBuild.exe	Explorer.EXE
PID 1820 set thread context of 1384	1820	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

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

powershell.exeSWIFT_5201660828948016.pdf.exeMSBuild.exesvchost.exe

pid	process
1372	powershell.exe
1212	SWIFT_5201660828948016.pdf.exe
1288	MSBuild.exe
1288	MSBuild.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe
1820	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MSBuild.exesvchost.exe

pid process

1288 MSBuild.exe
1288 MSBuild.exe
1288 MSBuild.exe
1820 svchost.exe
1820 svchost.exe

pid	process
1288	MSBuild.exe
1288	MSBuild.exe
1288	MSBuild.exe
1820	svchost.exe
1820	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

SWIFT_5201660828948016.pdf.exepowershell.exeMSBuild.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1212	SWIFT_5201660828948016.pdf.exe
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeDebugPrivilege	1288	MSBuild.exe
Token: SeDebugPrivilege	1820	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

SWIFT_5201660828948016.pdf.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1212 wrote to memory of 1372	1212	SWIFT_5201660828948016.pdf.exe	powershell.exe
PID 1212 wrote to memory of 1372	1212	SWIFT_5201660828948016.pdf.exe	powershell.exe
PID 1212 wrote to memory of 1372	1212	SWIFT_5201660828948016.pdf.exe	powershell.exe
PID 1212 wrote to memory of 1372	1212	SWIFT_5201660828948016.pdf.exe	powershell.exe
PID 1212 wrote to memory of 1288	1212	SWIFT_5201660828948016.pdf.exe	MSBuild.exe
PID 1212 wrote to memory of 1288	1212	SWIFT_5201660828948016.pdf.exe	MSBuild.exe
PID 1212 wrote to memory of 1288	1212	SWIFT_5201660828948016.pdf.exe	MSBuild.exe
PID 1212 wrote to memory of 1288	1212	SWIFT_5201660828948016.pdf.exe	MSBuild.exe
PID 1212 wrote to memory of 1288	1212	SWIFT_5201660828948016.pdf.exe	MSBuild.exe
PID 1212 wrote to memory of 1288	1212	SWIFT_5201660828948016.pdf.exe	MSBuild.exe
PID 1212 wrote to memory of 1288	1212	SWIFT_5201660828948016.pdf.exe	MSBuild.exe
PID 1384 wrote to memory of 1820	1384	Explorer.EXE	svchost.exe
PID 1384 wrote to memory of 1820	1384	Explorer.EXE	svchost.exe
PID 1384 wrote to memory of 1820	1384	Explorer.EXE	svchost.exe
PID 1384 wrote to memory of 1820	1384	Explorer.EXE	svchost.exe
PID 1820 wrote to memory of 328	1820	svchost.exe	cmd.exe
PID 1820 wrote to memory of 328	1820	svchost.exe	cmd.exe
PID 1820 wrote to memory of 328	1820	svchost.exe	cmd.exe
PID 1820 wrote to memory of 328	1820	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1384

C:\Users\Admin\AppData\Local\Temp\SWIFT_5201660828948016.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT_5201660828948016.pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgA=
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1372

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1288

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:1820

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:328

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

memory/328-72-0x0000000000000000-mapping.dmp

Download
memory/1212-54-0x0000000000CF0000-0x0000000000CF8000-memory.dmp

Filesize
32KB

Download
memory/1212-55-0x0000000075731000-0x0000000075733000-memory.dmp

Filesize
8KB

Download
memory/1212-56-0x000000000D1B0000-0x000000000D3C0000-memory.dmp

Filesize
2.1MB

Download
memory/1288-67-0x0000000000830000-0x0000000000B33000-memory.dmp

Filesize
3.0MB

Download
memory/1288-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1288-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1288-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1288-65-0x000000000041F0E0-mapping.dmp

Download
memory/1288-68-0x0000000000200000-0x0000000000214000-memory.dmp

Filesize
80KB

Download
memory/1288-71-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1372-59-0x000000006F110000-0x000000006F6BB000-memory.dmp

Filesize
5.7MB

Download
memory/1372-60-0x000000006F110000-0x000000006F6BB000-memory.dmp

Filesize
5.7MB

Download
memory/1372-57-0x0000000000000000-mapping.dmp

Download
memory/1384-77-0x0000000006890000-0x00000000069A5000-memory.dmp

Filesize
1.1MB

Download
memory/1384-69-0x0000000006410000-0x00000000064CC000-memory.dmp

Filesize
752KB

Download
memory/1384-79-0x0000000006890000-0x00000000069A5000-memory.dmp

Filesize
1.1MB

Download
memory/1820-70-0x0000000000000000-mapping.dmp

Download
memory/1820-75-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/1820-76-0x0000000000620000-0x00000000006B3000-memory.dmp

Filesize
588KB

Download
memory/1820-74-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1820-78-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1820-73-0x0000000000E90000-0x0000000000E98000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads