formbook | 1da1d27f8c3f4188f1767f87ae85c14e1fda3fa80142af97697864580f1a2397

General

Target

e4a076e7e4ef7dda7760195ed7e69a63.exe
Size

1.8MB
MD5

e4a076e7e4ef7dda7760195ed7e69a63
SHA1

01a916d1cb5acae7bcd2e8382d9a3691a2b90b39
SHA256

1da1d27f8c3f4188f1767f87ae85c14e1fda3fa80142af97697864580f1a2397
SHA512

8b23da6af698c2431bb7828291b5da97ba0f0bb87e7f51d623e083eb0e4b408fbb14725b043941ac1afee5dbae6d6c6d4d3780ecc17cd16ad4686b76a4797dbd
SSDEEP

24576:2QpweQZGHo2z01GURwAsmMt+Z1fQh0UXtk/O93eIu0:GGH/b+Z1fQh0Uygu0

Score

10^/10

formbook ar73 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ar73

Decoy

classgorilla.com

b6817.com

1wwuwa.top

dgslimited.africa

deepwaterships.com

hkshshoptw.shop

hurricanevalleyatvjamboree.com

ckpconsulting.com

laojiangmath.com

authenticityhacking.com

family-doctor-53205.com

investinstgeorgeut.com

lithoearthsolution.africa

quickhealcareltd.co.uk

delightkgrillw.top

freezeclosettoilet.com

coo1star.com

gemgamut.com

enrichednetworksolutions.com

betterbeeclean.com

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/928-71-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/928-75-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/652-80-0x00000000000A0000-0x00000000000CF000-memory.dmp	formbook
behavioral1/memory/652-82-0x00000000000A0000-0x00000000000CF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

e4a076e7e4ef7dda7760195ed7e69a63.exeMSBuild.exewlanext.exe

description	pid	process	target process
PID 1052 set thread context of 928	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	MSBuild.exe
PID 928 set thread context of 1212	928	MSBuild.exe	Explorer.EXE
PID 652 set thread context of 1212	652	wlanext.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 23 IoCs

Processes:

powershell.exeMSBuild.exewlanext.exe

pid	process
536	powershell.exe
928	MSBuild.exe
928	MSBuild.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe
652	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MSBuild.exewlanext.exe

pid process

928 MSBuild.exe
928 MSBuild.exe
928 MSBuild.exe
652 wlanext.exe
652 wlanext.exe

pid	process
1212	Explorer.EXE

pid	process
928	MSBuild.exe
928	MSBuild.exe
928	MSBuild.exe
652	wlanext.exe
652	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

e4a076e7e4ef7dda7760195ed7e69a63.exepowershell.exeMSBuild.exewlanext.exe

description	pid	process
Token: SeDebugPrivilege	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe
Token: SeDebugPrivilege	536	powershell.exe
Token: SeDebugPrivilege	928	MSBuild.exe
Token: SeDebugPrivilege	652	wlanext.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

e4a076e7e4ef7dda7760195ed7e69a63.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 1052 wrote to memory of 536	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	powershell.exe
PID 1052 wrote to memory of 536	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	powershell.exe
PID 1052 wrote to memory of 536	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	powershell.exe
PID 1052 wrote to memory of 536	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	powershell.exe
PID 1052 wrote to memory of 928	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	MSBuild.exe
PID 1052 wrote to memory of 928	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	MSBuild.exe
PID 1052 wrote to memory of 928	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	MSBuild.exe
PID 1052 wrote to memory of 928	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	MSBuild.exe
PID 1052 wrote to memory of 928	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	MSBuild.exe
PID 1052 wrote to memory of 928	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	MSBuild.exe
PID 1052 wrote to memory of 928	1052	e4a076e7e4ef7dda7760195ed7e69a63.exe	MSBuild.exe
PID 1212 wrote to memory of 652	1212	Explorer.EXE	wlanext.exe
PID 1212 wrote to memory of 652	1212	Explorer.EXE	wlanext.exe
PID 1212 wrote to memory of 652	1212	Explorer.EXE	wlanext.exe
PID 1212 wrote to memory of 652	1212	Explorer.EXE	wlanext.exe
PID 652 wrote to memory of 1800	652	wlanext.exe	cmd.exe
PID 652 wrote to memory of 1800	652	wlanext.exe	cmd.exe
PID 652 wrote to memory of 1800	652	wlanext.exe	cmd.exe
PID 652 wrote to memory of 1800	652	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1212

C:\Users\Admin\AppData\Local\Temp\e4a076e7e4ef7dda7760195ed7e69a63.exe
"C:\Users\Admin\AppData\Local\Temp\e4a076e7e4ef7dda7760195ed7e69a63.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1052

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:536

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:928

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:652

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:1800

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

Replay Monitor

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Downloads

memory/536-60-0x0000000002390000-0x00000000023D0000-memory.dmp

Filesize
256KB

Download
memory/536-62-0x0000000002390000-0x00000000023D0000-memory.dmp

Filesize
256KB

Download
memory/536-61-0x0000000002390000-0x00000000023D0000-memory.dmp

Filesize
256KB

Download
memory/536-64-0x0000000002390000-0x00000000023D0000-memory.dmp

Filesize
256KB

Download
memory/536-65-0x0000000002390000-0x00000000023D0000-memory.dmp

Filesize
256KB

Download
memory/536-66-0x0000000002390000-0x00000000023D0000-memory.dmp

Filesize
256KB

Download
memory/652-78-0x0000000000050000-0x0000000000066000-memory.dmp

Filesize
88KB

Download
memory/652-85-0x0000000001CC0000-0x0000000001D53000-memory.dmp

Filesize
588KB

Download
memory/652-82-0x00000000000A0000-0x00000000000CF000-memory.dmp

Filesize
188KB

Download
memory/652-81-0x0000000001DE0000-0x00000000020E3000-memory.dmp

Filesize
3.0MB

Download
memory/652-80-0x00000000000A0000-0x00000000000CF000-memory.dmp

Filesize
188KB

Download
memory/652-79-0x0000000000050000-0x0000000000066000-memory.dmp

Filesize
88KB

Download
memory/928-71-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/928-69-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/928-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/928-74-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download
memory/928-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/928-70-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/928-76-0x0000000000250000-0x0000000000264000-memory.dmp

Filesize
80KB

Download
memory/1052-54-0x0000000001300000-0x00000000014CA000-memory.dmp

Filesize
1.8MB

Download
memory/1052-63-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/1052-57-0x0000000007FF0000-0x0000000008082000-memory.dmp

Filesize
584KB

Download
memory/1052-56-0x0000000008590000-0x00000000086F6000-memory.dmp

Filesize
1.4MB

Download
memory/1052-55-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/1212-77-0x0000000004450000-0x000000000450F000-memory.dmp

Filesize
764KB

Download
memory/1212-86-0x0000000006EF0000-0x0000000007071000-memory.dmp

Filesize
1.5MB

Download
memory/1212-87-0x0000000006EF0000-0x0000000007071000-memory.dmp

Filesize
1.5MB

Download
memory/1212-89-0x0000000006EF0000-0x0000000007071000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads