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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/204-144-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/204-150-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5108-154-0x0000000000410000-0x000000000043F000-memory.dmp	formbook
behavioral2/memory/5108-157-0x0000000000410000-0x000000000043F000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

BL# BKKCM3215800.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	BL# BKKCM3215800.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

BL# BKKCM3215800.exeBL# BKKCM3215800.exehelp.exe

description	pid	process	target process
PID 3396 set thread context of 204	3396	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 204 set thread context of 1060	204	BL# BKKCM3215800.exe	Explorer.EXE
PID 5108 set thread context of 1060	5108	help.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 54 IoCs

Processes:

powershell.exeBL# BKKCM3215800.exeBL# BKKCM3215800.exehelp.exe

pid	process
3504	powershell.exe
3504	powershell.exe
3396	BL# BKKCM3215800.exe
3396	BL# BKKCM3215800.exe
204	BL# BKKCM3215800.exe
204	BL# BKKCM3215800.exe
204	BL# BKKCM3215800.exe
204	BL# BKKCM3215800.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe
5108	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1060 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

BL# BKKCM3215800.exehelp.exe

pid process

204 BL# BKKCM3215800.exe
204 BL# BKKCM3215800.exe
204 BL# BKKCM3215800.exe
5108 help.exe
5108 help.exe

pid	process
1060	Explorer.EXE

pid	process
204	BL# BKKCM3215800.exe
204	BL# BKKCM3215800.exe
204	BL# BKKCM3215800.exe
5108	help.exe
5108	help.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

BL# BKKCM3215800.exepowershell.exeBL# BKKCM3215800.exehelp.exe

description	pid	process
Token: SeDebugPrivilege	3396	BL# BKKCM3215800.exe
Token: SeDebugPrivilege	3504	powershell.exe
Token: SeDebugPrivilege	204	BL# BKKCM3215800.exe
Token: SeDebugPrivilege	5108	help.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

BL# BKKCM3215800.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 3396 wrote to memory of 3504	3396	BL# BKKCM3215800.exe	powershell.exe
PID 3396 wrote to memory of 3504	3396	BL# BKKCM3215800.exe	powershell.exe
PID 3396 wrote to memory of 3504	3396	BL# BKKCM3215800.exe	powershell.exe
PID 3396 wrote to memory of 204	3396	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 3396 wrote to memory of 204	3396	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 3396 wrote to memory of 204	3396	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 3396 wrote to memory of 204	3396	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 3396 wrote to memory of 204	3396	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 3396 wrote to memory of 204	3396	BL# BKKCM3215800.exe	BL# BKKCM3215800.exe
PID 1060 wrote to memory of 5108	1060	Explorer.EXE	help.exe
PID 1060 wrote to memory of 5108	1060	Explorer.EXE	help.exe
PID 1060 wrote to memory of 5108	1060	Explorer.EXE	help.exe
PID 5108 wrote to memory of 3740	5108	help.exe	cmd.exe
PID 5108 wrote to memory of 3740	5108	help.exe	cmd.exe
PID 5108 wrote to memory of 3740	5108	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1060

C:\Users\Admin\AppData\Local\Temp\BL# BKKCM3215800.exe
"C:\Users\Admin\AppData\Local\Temp\BL# BKKCM3215800.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3396

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:3504

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:204

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5108

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\BL# BKKCM3215800.exe"
3⤵
PID:3740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/204-143-0x0000000000000000-mapping.dmp

Download
memory/204-150-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/204-147-0x0000000000A90000-0x0000000000AA5000-memory.dmp

Filesize
84KB

Download
memory/204-146-0x0000000000F00000-0x000000000124A000-memory.dmp

Filesize
3.3MB

Download
memory/204-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1060-158-0x0000000007CC0000-0x0000000007DE5000-memory.dmp

Filesize
1.1MB

Download
memory/1060-156-0x0000000007CC0000-0x0000000007DE5000-memory.dmp

Filesize
1.1MB

Download
memory/1060-148-0x0000000002C50000-0x0000000002D29000-memory.dmp

Filesize
868KB

Download
memory/3396-131-0x0000000005820000-0x0000000005DC4000-memory.dmp

Filesize
5.6MB

Download
memory/3396-132-0x0000000005320000-0x00000000053B2000-memory.dmp

Filesize
584KB

Download
memory/3396-133-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/3396-130-0x0000000000960000-0x0000000000990000-memory.dmp

Filesize
192KB

Download
memory/3504-137-0x00000000055E0000-0x0000000005602000-memory.dmp

Filesize
136KB

Download
memory/3504-136-0x0000000005650000-0x0000000005C78000-memory.dmp

Filesize
6.2MB

Download
memory/3504-141-0x0000000007C30000-0x00000000082AA000-memory.dmp

Filesize
6.5MB

Download
memory/3504-140-0x00000000063B0000-0x00000000063CE000-memory.dmp

Filesize
120KB

Download
memory/3504-139-0x0000000005D60000-0x0000000005DC6000-memory.dmp

Filesize
408KB

Download
memory/3504-138-0x0000000005CF0000-0x0000000005D56000-memory.dmp

Filesize
408KB

Download
memory/3504-134-0x0000000000000000-mapping.dmp

Download
memory/3504-142-0x0000000006880000-0x000000000689A000-memory.dmp

Filesize
104KB

Download
memory/3504-135-0x0000000002DD0000-0x0000000002E06000-memory.dmp

Filesize
216KB

Download
memory/3740-151-0x0000000000000000-mapping.dmp

Download
memory/5108-152-0x0000000000C90000-0x0000000000C97000-memory.dmp

Filesize
28KB

Download
memory/5108-153-0x0000000000CA0000-0x0000000000FEA000-memory.dmp

Filesize
3.3MB

Download
memory/5108-154-0x0000000000410000-0x000000000043F000-memory.dmp

Filesize
188KB

Download
memory/5108-155-0x0000000000970000-0x0000000000A04000-memory.dmp

Filesize
592KB

Download
memory/5108-157-0x0000000000410000-0x000000000043F000-memory.dmp

Filesize
188KB

Download
memory/5108-149-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads