formbook | 546e873e9e746eeee9cbed391ff7463ce192091ee0ff51c076291da5d836f64f

General

Target

RRW9901200241.exe
Size

325KB
MD5

61ffb4ad4721f51413075923b2e9468d
SHA1

aa9ca98955157ca28bdbb1d8d29c3d1af2e28023
SHA256

546e873e9e746eeee9cbed391ff7463ce192091ee0ff51c076291da5d836f64f
SHA512

fe49b3771c704c8ab65cb7eb54e6a6e29abb96d0f6e2a9e1d3838d99370d2d868b51111a4ff5e04b181c1f12f42a296a56c5a1e3afb4fa05540ae632d592dbd7

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.unitvn.com/krc/

Decoy

grayfoxden.com

drupadhyayashomoeopathy.com

coordinatedcare-ok.com

the-legend-update3.com

remoteworkoffer.com

r3dprojects.com

banhuaihangschool.com

7852bigbucktrail.info

villagepizzafloralpark.com

sgtradingusa.com

evolvestephanieperreault.com

timelessbeautylessons.com

monkeytrivia.com

bsf.xyz

canda.design

recetasnutribullet.com

olenfex.com

catatan-matematika.com

roeltecnologiadigital.com

jutoxnatural.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/1644-2-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1644-3-0x000000000041EB60-mapping.dmp	formbook
behavioral1/memory/1408-4-0x0000000001C80000-0x0000000001CA9000-memory.dmp	formbook
behavioral1/memory/804-5-0x0000000000000000-mapping.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

684 cmd.exe

pid	process
684	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

RRW9901200241.exeRRW9901200241.exesvchost.exe

description	pid	process	target process
PID 1408 set thread context of 1644	1408	RRW9901200241.exe	RRW9901200241.exe
PID 1644 set thread context of 1276	1644	RRW9901200241.exe	Explorer.EXE
PID 804 set thread context of 1276	804	svchost.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

RRW9901200241.exesvchost.exe

pid	process
1644	RRW9901200241.exe
1644	RRW9901200241.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe
804	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

RRW9901200241.exeRRW9901200241.exesvchost.exe

pid process

1408 RRW9901200241.exe
1644 RRW9901200241.exe
1644 RRW9901200241.exe
1644 RRW9901200241.exe
804 svchost.exe
804 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RRW9901200241.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1644 RRW9901200241.exe
Token: SeDebugPrivilege 804 svchost.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE

pid	process
1408	RRW9901200241.exe
1644	RRW9901200241.exe
1644	RRW9901200241.exe
1644	RRW9901200241.exe
804	svchost.exe
804	svchost.exe

description	pid	process
Token: SeDebugPrivilege	1644	RRW9901200241.exe
Token: SeDebugPrivilege	804	svchost.exe

pid	process
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

pid	process
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

RRW9901200241.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1408 wrote to memory of 1644	1408	RRW9901200241.exe	RRW9901200241.exe
PID 1408 wrote to memory of 1644	1408	RRW9901200241.exe	RRW9901200241.exe
PID 1408 wrote to memory of 1644	1408	RRW9901200241.exe	RRW9901200241.exe
PID 1408 wrote to memory of 1644	1408	RRW9901200241.exe	RRW9901200241.exe
PID 1408 wrote to memory of 1644	1408	RRW9901200241.exe	RRW9901200241.exe
PID 1276 wrote to memory of 804	1276	Explorer.EXE	svchost.exe
PID 1276 wrote to memory of 804	1276	Explorer.EXE	svchost.exe
PID 1276 wrote to memory of 804	1276	Explorer.EXE	svchost.exe
PID 1276 wrote to memory of 804	1276	Explorer.EXE	svchost.exe
PID 804 wrote to memory of 684	804	svchost.exe	cmd.exe
PID 804 wrote to memory of 684	804	svchost.exe	cmd.exe
PID 804 wrote to memory of 684	804	svchost.exe	cmd.exe
PID 804 wrote to memory of 684	804	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1276

C:\Users\Admin\AppData\Local\Temp\RRW9901200241.exe
"C:\Users\Admin\AppData\Local\Temp\RRW9901200241.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1408

C:\Users\Admin\AppData\Local\Temp\RRW9901200241.exe
"C:\Users\Admin\AppData\Local\Temp\RRW9901200241.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1644

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:804

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\RRW9901200241.exe"
3⤵
- Deletes itself
PID:684

Network

MITRE ATT&CK Matrix

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Downloads

memory/684-7-0x0000000000000000-mapping.dmp

Download
memory/804-5-0x0000000000000000-mapping.dmp

Download
memory/804-6-0x00000000000D0000-0x00000000000D8000-memory.dmp

Filesize
32KB

Download
memory/804-8-0x0000000001880000-0x0000000001940000-memory.dmp

Filesize
768KB

Download
memory/1408-4-0x0000000001C80000-0x0000000001CA9000-memory.dmp

Filesize
164KB

Download
memory/1644-2-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1644-3-0x000000000041EB60-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads