formbook | e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a

General

Target

cc3b22bd3d92f8209de3a45f1b49b05d.exe
Size

854KB
MD5

cc3b22bd3d92f8209de3a45f1b49b05d
SHA1

46f5d875d74b9dc5f4519b6aff1efdf62df70c73
SHA256

e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a
SHA512

81eef9b07333b31a8016986f15a6ad519e77643bab1f2c557a5bea4014e1626702854c5c180c883c517ecaebd8a1a823da63d2533e7f9f73c0b8a1d7fd4612cf

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/2516-138-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2516-140-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1072-146-0x0000000000CF0000-0x0000000000D1F000-memory.dmp	formbook
behavioral2/memory/1072-152-0x0000000000CF0000-0x0000000000D1F000-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:

cc3b22bd3d92f8209de3a45f1b49b05d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	cc3b22bd3d92f8209de3a45f1b49b05d.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

cc3b22bd3d92f8209de3a45f1b49b05d.exeRegSvcs.exewlanext.exe

description	pid	process	target process
PID 3536 set thread context of 2516	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe	RegSvcs.exe
PID 2516 set thread context of 744	2516	RegSvcs.exe	Explorer.EXE
PID 1072 set thread context of 744	1072	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
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

488 schtasks.exe

pid	process
488	schtasks.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

Processes:

cc3b22bd3d92f8209de3a45f1b49b05d.exeRegSvcs.exewlanext.exe

pid	process
3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe
2516	RegSvcs.exe
2516	RegSvcs.exe
2516	RegSvcs.exe
2516	RegSvcs.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe
1072	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

744 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exewlanext.exe

pid process

2516 RegSvcs.exe
2516 RegSvcs.exe
2516 RegSvcs.exe
1072 wlanext.exe
1072 wlanext.exe

pid	process
744	Explorer.EXE

pid	process
2516	RegSvcs.exe
2516	RegSvcs.exe
2516	RegSvcs.exe
1072	wlanext.exe
1072	wlanext.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

cc3b22bd3d92f8209de3a45f1b49b05d.exeRegSvcs.exewlanext.exe

description	pid	process
Token: SeDebugPrivilege	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe
Token: SeDebugPrivilege	2516	RegSvcs.exe
Token: SeDebugPrivilege	1072	wlanext.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

cc3b22bd3d92f8209de3a45f1b49b05d.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 3536 wrote to memory of 488	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe	schtasks.exe
PID 3536 wrote to memory of 488	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe	schtasks.exe
PID 3536 wrote to memory of 488	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe	schtasks.exe
PID 3536 wrote to memory of 2516	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe	RegSvcs.exe
PID 3536 wrote to memory of 2516	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe	RegSvcs.exe
PID 3536 wrote to memory of 2516	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe	RegSvcs.exe
PID 3536 wrote to memory of 2516	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe	RegSvcs.exe
PID 3536 wrote to memory of 2516	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe	RegSvcs.exe
PID 3536 wrote to memory of 2516	3536	cc3b22bd3d92f8209de3a45f1b49b05d.exe	RegSvcs.exe
PID 744 wrote to memory of 1072	744	Explorer.EXE	wlanext.exe
PID 744 wrote to memory of 1072	744	Explorer.EXE	wlanext.exe
PID 744 wrote to memory of 1072	744	Explorer.EXE	wlanext.exe
PID 1072 wrote to memory of 3876	1072	wlanext.exe	cmd.exe
PID 1072 wrote to memory of 3876	1072	wlanext.exe	cmd.exe
PID 1072 wrote to memory of 3876	1072	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:744

C:\Users\Admin\AppData\Local\Temp\cc3b22bd3d92f8209de3a45f1b49b05d.exe
"C:\Users\Admin\AppData\Local\Temp\cc3b22bd3d92f8209de3a45f1b49b05d.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3536

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OHyOwWfiz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC170.tmp"
3⤵
- Creates scheduled task(s)
PID:488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2516

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:920

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1572

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:64

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:1072

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:3876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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

C:\Users\Admin\AppData\Local\Temp\tmpC170.tmp
Filesize
1KB

MD5
18c6fe1cf0392e7b519095c446474d26

SHA1
ef20f8c11f4d912df962972edc5ce27ad61cc034

SHA256
dd0ee6b4852d275bc50ae0aa9ce1ba19211817249c976af5f1dec165699c08b5

SHA512
4590ad224a212f1c729509774cf4b436a74bb6bde67f9630bee8e4c4889f305b4d16ed6e1062b4e1b417161913fb3e15cd23db1357962aa1753dedd6a4b03e6f

Download Submit
memory/488-135-0x0000000000000000-mapping.dmp

Download
memory/744-153-0x0000000003090000-0x0000000003140000-memory.dmp

Filesize
704KB

Download
memory/744-151-0x0000000003090000-0x0000000003140000-memory.dmp

Filesize
704KB

Download
memory/744-149-0x0000000002D20000-0x0000000002EB7000-memory.dmp

Filesize
1.6MB

Download
memory/744-143-0x0000000002D20000-0x0000000002EB7000-memory.dmp

Filesize
1.6MB

Download
memory/1072-145-0x0000000000C00000-0x0000000000C17000-memory.dmp

Filesize
92KB

Download
memory/1072-144-0x0000000000000000-mapping.dmp

Download
memory/1072-152-0x0000000000CF0000-0x0000000000D1F000-memory.dmp

Filesize
188KB

Download
memory/1072-150-0x0000000001280000-0x0000000001314000-memory.dmp

Filesize
592KB

Download
memory/1072-148-0x0000000001390000-0x00000000016DA000-memory.dmp

Filesize
3.3MB

Download
memory/1072-146-0x0000000000CF0000-0x0000000000D1F000-memory.dmp

Filesize
188KB

Download
memory/2516-142-0x0000000001010000-0x0000000001025000-memory.dmp

Filesize
84KB

Download
memory/2516-137-0x0000000000000000-mapping.dmp

Download
memory/2516-141-0x00000000012F0000-0x000000000163A000-memory.dmp

Filesize
3.3MB

Download
memory/2516-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2516-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3536-134-0x0000000005680000-0x000000000568A000-memory.dmp

Filesize
40KB

Download
memory/3536-130-0x0000000000B60000-0x0000000000C3C000-memory.dmp

Filesize
880KB

Download
memory/3536-133-0x0000000005710000-0x00000000057AC000-memory.dmp

Filesize
624KB

Download
memory/3536-132-0x00000000055D0000-0x0000000005662000-memory.dmp

Filesize
584KB

Download
memory/3536-131-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download
memory/3876-147-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads