formbook | 67710323c3dd7ba7cc04081512bdb304b4d7edd72975f2891c1f5893fdb75a8a

General

Target

Details here.exe
Size

1.2MB
MD5

a952c15d26e8b87cce83c842f9c56d71
SHA1

734fab89fedb57add80068bc56267512d717c189
SHA256

67710323c3dd7ba7cc04081512bdb304b4d7edd72975f2891c1f5893fdb75a8a
SHA512

2b433b9670d54b588cd1bd77e302ef6dea911bdb6eb5043653003b2ec30d005fb953c7ec844235203b56e22e3e26b60cadcea7662a9a73471441d64e01b8c696

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.deuxus.com/t052/

Decoy

ladybug-learning.com

unforgottenstory.com

oldmopaiv.xyz

natashaexim.com

hannahmcelgunn.com

retargetingmachines.info

njoconline.com

unicornlankadelivery.com

giftkerala.com

englishfordoctors.online

schatzilandrvresort.com

brujoisaac.com

basiccampinggear.com

escapees.today

dgyxsy888.com

stevebana.xyz

mimozakebap.com

ezdoff.com

pluumyspalace.com

shaoshanshan.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1652-8-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1652-9-0x000000000041ECC0-mapping.dmp	formbook
behavioral1/memory/1296-17-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

316 cmd.exe

pid	process
316	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Details here.exeDetails here.exechkdsk.exe

description	pid	process	target process
PID 1876 set thread context of 1652	1876	Details here.exe	Details here.exe
PID 1652 set thread context of 1196	1652	Details here.exe	Explorer.EXE
PID 1296 set thread context of 1196	1296	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Details here.exechkdsk.exe

pid process

1652 Details here.exe
1652 Details here.exe
1296 chkdsk.exe
1296 chkdsk.exe
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Details here.exechkdsk.exe

pid process

1652 Details here.exe
1652 Details here.exe
1652 Details here.exe
1296 chkdsk.exe
1296 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Details here.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1652 Details here.exe
Token: SeDebugPrivilege 1296 chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

pid	process
1652	Details here.exe
1652	Details here.exe
1296	chkdsk.exe
1296	chkdsk.exe

pid	process
1652	Details here.exe
1652	Details here.exe
1652	Details here.exe
1296	chkdsk.exe
1296	chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	1652	Details here.exe
Token: SeDebugPrivilege	1296	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Details here.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1876 wrote to memory of 1652	1876	Details here.exe	Details here.exe
PID 1876 wrote to memory of 1652	1876	Details here.exe	Details here.exe
PID 1876 wrote to memory of 1652	1876	Details here.exe	Details here.exe
PID 1876 wrote to memory of 1652	1876	Details here.exe	Details here.exe
PID 1876 wrote to memory of 1652	1876	Details here.exe	Details here.exe
PID 1876 wrote to memory of 1652	1876	Details here.exe	Details here.exe
PID 1876 wrote to memory of 1652	1876	Details here.exe	Details here.exe
PID 1196 wrote to memory of 1296	1196	Explorer.EXE	chkdsk.exe
PID 1196 wrote to memory of 1296	1196	Explorer.EXE	chkdsk.exe
PID 1196 wrote to memory of 1296	1196	Explorer.EXE	chkdsk.exe
PID 1196 wrote to memory of 1296	1196	Explorer.EXE	chkdsk.exe
PID 1296 wrote to memory of 316	1296	chkdsk.exe	cmd.exe
PID 1296 wrote to memory of 316	1296	chkdsk.exe	cmd.exe
PID 1296 wrote to memory of 316	1296	chkdsk.exe	cmd.exe
PID 1296 wrote to memory of 316	1296	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196

C:\Users\Admin\AppData\Local\Temp\Details here.exe
"C:\Users\Admin\AppData\Local\Temp\Details here.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1876

C:\Users\Admin\AppData\Local\Temp\Details here.exe
"C:\Users\Admin\AppData\Local\Temp\Details here.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1652

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1296

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Details here.exe"
3⤵
- Deletes itself
PID:316

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

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/316-15-0x0000000000000000-mapping.dmp

Download
memory/1196-13-0x0000000004900000-0x00000000049CF000-memory.dmp

Filesize
828KB

Download
memory/1296-19-0x0000000000A30000-0x0000000000AC3000-memory.dmp

Filesize
588KB

Download
memory/1296-18-0x0000000002080000-0x0000000002383000-memory.dmp

Filesize
3.0MB

Download
memory/1296-17-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1296-16-0x0000000000AE0000-0x0000000000AE7000-memory.dmp

Filesize
28KB

Download
memory/1296-14-0x0000000000000000-mapping.dmp

Download
memory/1652-12-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/1652-11-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download
memory/1652-9-0x000000000041ECC0-mapping.dmp

Download
memory/1652-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1876-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1876-7-0x0000000004DA0000-0x0000000004E48000-memory.dmp

Filesize
672KB

Download
memory/1876-6-0x0000000000570000-0x0000000000583000-memory.dmp

Filesize
76KB

Download
memory/1876-5-0x0000000004D60000-0x0000000004D61000-memory.dmp

Filesize
4KB

Download
memory/1876-3-0x0000000001120000-0x0000000001121000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads