formbook | 2198c2bb61788ff27d22b8a16ff4ddbfc343d0c3f641ce8c86e42100d338a83b

General

Target

BL# BKKCM3215800.exe
Size

170KB
MD5

2ec6d3e0a7fe0d612b5ae232a01e7d2b
SHA1

b1971757c64ccaaaff17d4e5d7c6db4eb0843b2a
SHA256

2198c2bb61788ff27d22b8a16ff4ddbfc343d0c3f641ce8c86e42100d338a83b
SHA512

540cb081def6eb76c74cc1cd33a9e28d0c41eac808cac4a86fe1ca5280da6e7b40f9a1e52ff2d6149e9531c9ce9d0929f8af26234af114f484ff081bf62fdaf3

Score

10^/10

formbook ba17 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ba17

Decoy

bearwant.com

sdsguanfang.com

steamcommunityvia.top

sugarplumtreasures.com

koronislakefishing.com

jmae.xyz

xhxnqemkiqe.xyz

playzcrew.com

zatwsbq.com

lankofix.com

sh-zhepeng.com

mibodamisxv.online

butterflyjewelry.store

finestrecitalto-spottoday.info

globomateria.com

royalmdarts.com

d4af10836709.com

shepwill.com

67aldrich.info

trustedmakers.club

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1120-67-0x000000000041F1E0-mapping.dmp	formbook
behavioral1/memory/1120-66-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1120-69-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1828-76-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook
behavioral1/memory/1828-81-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1140 cmd.exe

pid	process
1140	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

BL# BKKCM3215800.exeBL# BKKCM3215800.exerundll32.exe

description	pid	process	target process
PID 2040 set thread context of 1120	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 1120 set thread context of 1416	1120	BL# BKKCM3215800.exe	Explorer.EXE
PID 1828 set thread context of 1416	1828	rundll32.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 25 IoCs

Processes:

powershell.exeBL# BKKCM3215800.exeBL# BKKCM3215800.exerundll32.exe

pid	process
1540	powershell.exe
2040	BL# BKKCM3215800.exe
2040	BL# BKKCM3215800.exe
2040	BL# BKKCM3215800.exe
1120	BL# BKKCM3215800.exe
1120	BL# BKKCM3215800.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe
1828	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

BL# BKKCM3215800.exerundll32.exe

pid process

1120 BL# BKKCM3215800.exe
1120 BL# BKKCM3215800.exe
1120 BL# BKKCM3215800.exe
1828 rundll32.exe
1828 rundll32.exe

pid	process
1120	BL# BKKCM3215800.exe
1120	BL# BKKCM3215800.exe
1120	BL# BKKCM3215800.exe
1828	rundll32.exe
1828	rundll32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

BL# BKKCM3215800.exepowershell.exeBL# BKKCM3215800.exerundll32.exe

description	pid	process
Token: SeDebugPrivilege	2040	BL# BKKCM3215800.exe
Token: SeDebugPrivilege	1540	powershell.exe
Token: SeDebugPrivilege	1120	BL# BKKCM3215800.exe
Token: SeDebugPrivilege	1828	rundll32.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

BL# BKKCM3215800.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 2040 wrote to memory of 1540	2040	BL# BKKCM3215800.exe	powershell.exe
PID 2040 wrote to memory of 1540	2040	BL# BKKCM3215800.exe	powershell.exe
PID 2040 wrote to memory of 1540	2040	BL# BKKCM3215800.exe	powershell.exe
PID 2040 wrote to memory of 1540	2040	BL# BKKCM3215800.exe	powershell.exe
PID 2040 wrote to memory of 592	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 2040 wrote to memory of 592	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 2040 wrote to memory of 592	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 2040 wrote to memory of 592	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 2040 wrote to memory of 1120	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 2040 wrote to memory of 1120	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 2040 wrote to memory of 1120	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 2040 wrote to memory of 1120	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 2040 wrote to memory of 1120	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 2040 wrote to memory of 1120	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 2040 wrote to memory of 1120	2040	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 1416 wrote to memory of 1828	1416	Explorer.EXE	rundll32.exe
PID 1416 wrote to memory of 1828	1416	Explorer.EXE	rundll32.exe
PID 1416 wrote to memory of 1828	1416	Explorer.EXE	rundll32.exe
PID 1416 wrote to memory of 1828	1416	Explorer.EXE	rundll32.exe
PID 1416 wrote to memory of 1828	1416	Explorer.EXE	rundll32.exe
PID 1416 wrote to memory of 1828	1416	Explorer.EXE	rundll32.exe
PID 1416 wrote to memory of 1828	1416	Explorer.EXE	rundll32.exe
PID 1828 wrote to memory of 1140	1828	rundll32.exe	cmd.exe
PID 1828 wrote to memory of 1140	1828	rundll32.exe	cmd.exe
PID 1828 wrote to memory of 1140	1828	rundll32.exe	cmd.exe
PID 1828 wrote to memory of 1140	1828	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1416

C:\Users\Admin\AppData\Local\Temp\BL# BKKCM3215800.exe
"C:\Users\Admin\AppData\Local\Temp\BL# BKKCM3215800.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1540

C:\Users\Admin\AppData\Local\Temp\BL# BKKCM3215800.exe
"C:\Users\Admin\AppData\Local\Temp\BL# BKKCM3215800.exe"
3⤵
PID:592

C:\Users\Admin\AppData\Local\Temp\BL# BKKCM3215800.exe
"C:\Users\Admin\AppData\Local\Temp\BL# BKKCM3215800.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1120

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\BL# BKKCM3215800.exe"
3⤵
- Deletes itself
PID:1140

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/1120-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1120-71-0x0000000000240000-0x0000000000255000-memory.dmp

Filesize
84KB

Download
memory/1120-70-0x0000000000800000-0x0000000000B03000-memory.dmp

Filesize
3.0MB

Download
memory/1120-69-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1120-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1120-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1120-67-0x000000000041F1E0-mapping.dmp

Download
memory/1140-77-0x0000000000000000-mapping.dmp

Download
memory/1416-82-0x00000000048B0000-0x0000000004965000-memory.dmp

Filesize
724KB

Download
memory/1416-80-0x00000000048B0000-0x0000000004965000-memory.dmp

Filesize
724KB

Download
memory/1416-72-0x0000000006CD0000-0x0000000006DA7000-memory.dmp

Filesize
860KB

Download
memory/1540-61-0x000000006F9E0000-0x000000006FF8B000-memory.dmp

Filesize
5.7MB

Download
memory/1540-58-0x0000000000000000-mapping.dmp

Download
memory/1540-62-0x000000006F9E0000-0x000000006FF8B000-memory.dmp

Filesize
5.7MB

Download
memory/1540-60-0x000000006F9E0000-0x000000006FF8B000-memory.dmp

Filesize
5.7MB

Download
memory/1828-76-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/1828-73-0x0000000000000000-mapping.dmp

Download
memory/1828-75-0x00000000007A0000-0x00000000007AE000-memory.dmp

Filesize
56KB

Download
memory/1828-78-0x0000000001EC0000-0x00000000021C3000-memory.dmp

Filesize
3.0MB

Download
memory/1828-79-0x0000000001E20000-0x0000000001EB4000-memory.dmp

Filesize
592KB

Download
memory/1828-81-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2040-54-0x0000000000190000-0x00000000001C0000-memory.dmp

Filesize
192KB

Download
memory/2040-57-0x0000000004D10000-0x0000000004D5C000-memory.dmp

Filesize
304KB

Download
memory/2040-56-0x00000000052A0000-0x000000000530E000-memory.dmp

Filesize
440KB

Download
memory/2040-55-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads