formbook | af7fd0b62692c6036f4f1f15a21840a7fa3939f1f3aa1b2407d018f4f4d00bf3

General

Target

NEW_PO.exe
Size

703KB
MD5

ffe037deca0641fac8353d65db14d3ed
SHA1

5324aa903669c0b1417ea69f5fdab01600a37527
SHA256

bd14376c2116d73ced555431ec6b80afce2dbb13b36843edea366e897e32c360
SHA512

84f0e47107f11c0bf0622598797f216e14f2715cf756473b7ebf8892a8378d62c2a9b88f5582ac40a9e7bb13e4891315fee92607524d057aabed3eedcc9af580

Score

10^/10

formbook d27e rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d27e

Decoy

lilysbusride.com

cloud-sechs.com

danpro.co.uk

wendoortech.com

playgroundrebellion.com

betventures.xyz

digimediasolution.net

abrahambetrayedus.com

whinefree.com

realeurolicence.com

makelovetrip.com

damediaagency.com

pinaralsan.com

5bobitw.com

shootingkarelia.online

website-staging.pro

manassadhvi.online

bathroomandkitcenking.com

realtormarket.net

dfysupport.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
behavioral2/memory/2804-142-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2804-157-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3424-162-0x0000000000950000-0x000000000097F000-memory.dmp	formbook
behavioral2/memory/3424-168-0x0000000000950000-0x000000000097F000-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:

NEW_PO.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation NEW_PO.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	NEW_PO.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

NEW_PO.exeNEW_PO.execmd.exe

description	pid	process	target process
PID 4424 set thread context of 2804	4424	NEW_PO.exe	NEW_PO.exe
PID 2804 set thread context of 3052	2804	NEW_PO.exe	Explorer.EXE
PID 3424 set thread context of 3052	3424	cmd.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

2188 schtasks.exe

pid	process
2188	schtasks.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

powershell.exeNEW_PO.execmd.exe

pid	process
4852	powershell.exe
2804	NEW_PO.exe
2804	NEW_PO.exe
2804	NEW_PO.exe
2804	NEW_PO.exe
4852	powershell.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe
3424	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

NEW_PO.execmd.exe

pid process

2804 NEW_PO.exe
2804 NEW_PO.exe
2804 NEW_PO.exe
3424 cmd.exe
3424 cmd.exe

pid	process
3052	Explorer.EXE

pid	process
2804	NEW_PO.exe
2804	NEW_PO.exe
2804	NEW_PO.exe
3424	cmd.exe
3424	cmd.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exeNEW_PO.execmd.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4852	powershell.exe
Token: SeDebugPrivilege	2804	NEW_PO.exe
Token: SeDebugPrivilege	3424	cmd.exe
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

NEW_PO.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 4424 wrote to memory of 4852	4424	NEW_PO.exe	powershell.exe
PID 4424 wrote to memory of 4852	4424	NEW_PO.exe	powershell.exe
PID 4424 wrote to memory of 4852	4424	NEW_PO.exe	powershell.exe
PID 4424 wrote to memory of 2188	4424	NEW_PO.exe	schtasks.exe
PID 4424 wrote to memory of 2188	4424	NEW_PO.exe	schtasks.exe
PID 4424 wrote to memory of 2188	4424	NEW_PO.exe	schtasks.exe
PID 4424 wrote to memory of 2804	4424	NEW_PO.exe	NEW_PO.exe
PID 4424 wrote to memory of 2804	4424	NEW_PO.exe	NEW_PO.exe
PID 4424 wrote to memory of 2804	4424	NEW_PO.exe	NEW_PO.exe
PID 4424 wrote to memory of 2804	4424	NEW_PO.exe	NEW_PO.exe
PID 4424 wrote to memory of 2804	4424	NEW_PO.exe	NEW_PO.exe
PID 4424 wrote to memory of 2804	4424	NEW_PO.exe	NEW_PO.exe
PID 3052 wrote to memory of 3424	3052	Explorer.EXE	cmd.exe
PID 3052 wrote to memory of 3424	3052	Explorer.EXE	cmd.exe
PID 3052 wrote to memory of 3424	3052	Explorer.EXE	cmd.exe
PID 3424 wrote to memory of 5004	3424	cmd.exe	cmd.exe
PID 3424 wrote to memory of 5004	3424	cmd.exe	cmd.exe
PID 3424 wrote to memory of 5004	3424	cmd.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052

C:\Users\Admin\AppData\Local\Temp\NEW_PO.exe
"C:\Users\Admin\AppData\Local\Temp\NEW_PO.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4424

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KnZkGwb.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4852

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KnZkGwb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FBD.tmp"
3⤵
- Creates scheduled task(s)
PID:2188

C:\Users\Admin\AppData\Local\Temp\NEW_PO.exe
"C:\Users\Admin\AppData\Local\Temp\NEW_PO.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2804

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\NEW_PO.exe"
3⤵
PID:5004

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\tmp1FBD.tmp
Filesize
1KB

MD5
44dbcdae1fb80b1eb112cccc03743bf0

SHA1
2ea407336adcaf9e2c65a482536b85dee57009d2

SHA256
1408c6651d28b2fb3ad85abd86ba013799c264fd82dc76689f035c72c4157f75

SHA512
76be76e632cc0e101418f83130a98983de1e5f66e3cbfd7dcb384396a40e0fdeda071a809fcd4e593379b6ed88333c1d4dfa8437d9ae0991a1ad9d8e3c438342

Download Submit
memory/2188-137-0x0000000000000000-mapping.dmp

Download
memory/2804-157-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2804-148-0x0000000000F00000-0x0000000000F15000-memory.dmp

Filesize
84KB

Download
memory/2804-147-0x00000000010B0000-0x00000000013FA000-memory.dmp

Filesize
3.3MB

Download
memory/2804-142-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2804-140-0x0000000000000000-mapping.dmp

Download
memory/3052-149-0x0000000002B60000-0x0000000002CD3000-memory.dmp

Filesize
1.4MB

Download
memory/3052-169-0x0000000007EE0000-0x0000000007FD5000-memory.dmp

Filesize
980KB

Download
memory/3052-167-0x0000000007EE0000-0x0000000007FD5000-memory.dmp

Filesize
980KB

Download
memory/3424-161-0x0000000001290000-0x00000000015DA000-memory.dmp

Filesize
3.3MB

Download
memory/3424-168-0x0000000000950000-0x000000000097F000-memory.dmp

Filesize
188KB

Download
memory/3424-156-0x0000000000000000-mapping.dmp

Download
memory/3424-159-0x0000000000250000-0x00000000002AA000-memory.dmp

Filesize
360KB

Download
memory/3424-166-0x0000000001100000-0x0000000001194000-memory.dmp

Filesize
592KB

Download
memory/3424-162-0x0000000000950000-0x000000000097F000-memory.dmp

Filesize
188KB

Download
memory/4424-135-0x000000000B3B0000-0x000000000B416000-memory.dmp

Filesize
408KB

Download
memory/4424-132-0x00000000052B0000-0x0000000005342000-memory.dmp

Filesize
584KB

Download
memory/4424-130-0x0000000000860000-0x0000000000914000-memory.dmp

Filesize
720KB

Download
memory/4424-133-0x0000000005450000-0x000000000545A000-memory.dmp

Filesize
40KB

Download
memory/4424-134-0x000000000B280000-0x000000000B31C000-memory.dmp

Filesize
624KB

Download
memory/4424-131-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/4852-153-0x00000000079A0000-0x000000000801A000-memory.dmp

Filesize
6.5MB

Download
memory/4852-146-0x0000000006050000-0x000000000606E000-memory.dmp

Filesize
120KB

Download
memory/4852-155-0x00000000073D0000-0x00000000073DA000-memory.dmp

Filesize
40KB

Download
memory/4852-138-0x0000000002750000-0x0000000002786000-memory.dmp

Filesize
216KB

Download
memory/4852-152-0x00000000065A0000-0x00000000065BE000-memory.dmp

Filesize
120KB

Download
memory/4852-158-0x00000000075E0000-0x0000000007676000-memory.dmp

Filesize
600KB

Download
memory/4852-151-0x0000000070930000-0x000000007097C000-memory.dmp

Filesize
304KB

Download
memory/4852-136-0x0000000000000000-mapping.dmp

Download
memory/4852-150-0x0000000007030000-0x0000000007062000-memory.dmp

Filesize
200KB

Download
memory/4852-154-0x0000000007350000-0x000000000736A000-memory.dmp

Filesize
104KB

Download
memory/4852-163-0x0000000007590000-0x000000000759E000-memory.dmp

Filesize
56KB

Download
memory/4852-164-0x00000000076A0000-0x00000000076BA000-memory.dmp

Filesize
104KB

Download
memory/4852-165-0x0000000007680000-0x0000000007688000-memory.dmp

Filesize
32KB

Download
memory/4852-144-0x0000000005950000-0x00000000059B6000-memory.dmp

Filesize
408KB

Download
memory/4852-143-0x0000000004F70000-0x0000000004F92000-memory.dmp

Filesize
136KB

Download
memory/4852-141-0x00000000052B0000-0x00000000058D8000-memory.dmp

Filesize
6.2MB

Download
memory/5004-160-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads