formbook | cfd85f7690b503154bad4aed263e953b0b5da84cd8dc8eaa0b99302be53f36d9

General

Target

PI Confirmation.exe
Size

669KB
MD5

39c13f82ae8a3803684959e14772c5b0
SHA1

5284c7308994dbe3348c320499c3756aeae50f1d
SHA256

f4c535616a04819e9553cb3dbac66db0021065fb89a5e5c799c0b4eb301fb582
SHA512

55f7bfbf2cf916bee80d51827fbb8394f97c2fee12c2ea060b52e06b51c996c43bd4475dae7464cce71915e14ed7151dbee23252fb2e6f4046542488d68cf442

Score

10^/10

formbook ev08 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

ev08

Decoy

elysianhomesanddesign.com

emplytics.com

rx-server.com

yunkeguanjia.com

069xke.info

xgltnpzoai.biz

vizebasvurusuislemi.com

willenochhardscape.com

luciovicencio.com

369zhangting.com

dealsamzn.com

epsilontech.net

longzhimy.com

drfenxiyi.com

perfecttiger.win

jon-lisa.com

projeen.com

tpak4.com

telurasinjulak.com

grhcew.men

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
behavioral2/memory/4264-137-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/4264-142-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/228-147-0x0000000000F50000-0x0000000000F7A000-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:

PI Confirmation.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	PI Confirmation.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PI Confirmation.exePI Confirmation.execmstp.exe

description	pid	process	target process
PID 1808 set thread context of 4264	1808	PI Confirmation.exe	PI Confirmation.exe
PID 4264 set thread context of 3168	4264	PI Confirmation.exe	Explorer.EXE
PID 4264 set thread context of 3168	4264	PI Confirmation.exe	Explorer.EXE
PID 228 set thread context of 3168	228	cmstp.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

4480 schtasks.exe

pid	process
4480	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

PI Confirmation.execmstp.exe

pid	process
4264	PI Confirmation.exe
4264	PI Confirmation.exe
4264	PI Confirmation.exe
4264	PI Confirmation.exe
4264	PI Confirmation.exe
4264	PI Confirmation.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe
228	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PI Confirmation.execmstp.exe

pid process

4264 PI Confirmation.exe
4264 PI Confirmation.exe
4264 PI Confirmation.exe
4264 PI Confirmation.exe
228 cmstp.exe
228 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PI Confirmation.execmstp.exe

description pid process

Token: SeDebugPrivilege 4264 PI Confirmation.exe
Token: SeDebugPrivilege 228 cmstp.exe

description	pid	process
Token: SeDebugPrivilege	4264	PI Confirmation.exe
Token: SeDebugPrivilege	228	cmstp.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

PI Confirmation.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1808 wrote to memory of 4480	1808	PI Confirmation.exe	schtasks.exe
PID 1808 wrote to memory of 4480	1808	PI Confirmation.exe	schtasks.exe
PID 1808 wrote to memory of 4480	1808	PI Confirmation.exe	schtasks.exe
PID 1808 wrote to memory of 4264	1808	PI Confirmation.exe	PI Confirmation.exe
PID 1808 wrote to memory of 4264	1808	PI Confirmation.exe	PI Confirmation.exe
PID 1808 wrote to memory of 4264	1808	PI Confirmation.exe	PI Confirmation.exe
PID 1808 wrote to memory of 4264	1808	PI Confirmation.exe	PI Confirmation.exe
PID 1808 wrote to memory of 4264	1808	PI Confirmation.exe	PI Confirmation.exe
PID 1808 wrote to memory of 4264	1808	PI Confirmation.exe	PI Confirmation.exe
PID 3168 wrote to memory of 228	3168	Explorer.EXE	cmstp.exe
PID 3168 wrote to memory of 228	3168	Explorer.EXE	cmstp.exe
PID 3168 wrote to memory of 228	3168	Explorer.EXE	cmstp.exe
PID 228 wrote to memory of 3856	228	cmstp.exe	cmd.exe
PID 228 wrote to memory of 3856	228	cmstp.exe	cmd.exe
PID 228 wrote to memory of 3856	228	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3168

C:\Users\Admin\AppData\Local\Temp\PI Confirmation.exe
"C:\Users\Admin\AppData\Local\Temp\PI Confirmation.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\btbKAIclCxOrzu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC004.tmp"
3⤵
- Creates scheduled task(s)
PID:4480

C:\Users\Admin\AppData\Local\Temp\PI Confirmation.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4264

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:228

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PI Confirmation.exe"
3⤵
PID:3856

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC004.tmp
Filesize
1KB

MD5
780c9fef86f39cbdeba019f98d62f311

SHA1
d483b876b2ad4893374d3a990f1d17d5eaafd8c7

SHA256
db8c07fdb95c31df469fb2bb919581fd256c18e5b0f331d775031ece4db5fc3c

SHA512
238cfc561e1abd85dba5c12c683cf61d0a6b839aa0251d2362c2aa536e091d41732a94ae8471d935622e56457800afda7262f694d4a1553de1328cfbaf030f41

Download Submit
memory/228-146-0x00000000004C0000-0x00000000004D6000-memory.dmp

Filesize
88KB

Download
memory/228-145-0x0000000000000000-mapping.dmp

Download
memory/228-150-0x0000000002FA0000-0x0000000003033000-memory.dmp

Filesize
588KB

Download
memory/228-147-0x0000000000F50000-0x0000000000F7A000-memory.dmp

Filesize
168KB

Download
memory/228-149-0x00000000030A0000-0x00000000033EA000-memory.dmp

Filesize
3.3MB

Download
memory/1808-131-0x0000000005020000-0x00000000055C4000-memory.dmp

Filesize
5.6MB

Download
memory/1808-133-0x0000000004C90000-0x0000000004D2C000-memory.dmp

Filesize
624KB

Download
memory/1808-130-0x0000000000100000-0x00000000001AE000-memory.dmp

Filesize
696KB

Download
memory/1808-132-0x0000000004B50000-0x0000000004BE2000-memory.dmp

Filesize
584KB

Download
memory/3168-144-0x0000000008130000-0x00000000082BF000-memory.dmp

Filesize
1.6MB

Download
memory/3168-151-0x00000000082C0000-0x0000000008421000-memory.dmp

Filesize
1.4MB

Download
memory/3168-141-0x0000000007EF0000-0x0000000007FF7000-memory.dmp

Filesize
1.0MB

Download
memory/3856-148-0x0000000000000000-mapping.dmp

Download
memory/4264-136-0x0000000000000000-mapping.dmp

Download
memory/4264-138-0x0000000001840000-0x0000000001B8A000-memory.dmp

Filesize
3.3MB

Download
memory/4264-143-0x00000000017D0000-0x00000000017E4000-memory.dmp

Filesize
80KB

Download
memory/4264-142-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4264-137-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4264-140-0x0000000001750000-0x0000000001764000-memory.dmp

Filesize
80KB

Download
memory/4480-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads