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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1780-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1780-68-0x000000000041F1A0-mapping.dmp	formbook
behavioral1/memory/1780-70-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/296-78-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/296-82-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1496 cmd.exe

pid	process
1496	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

NEW_PO.exeNEW_PO.execmd.exe

description	pid	process	target process
PID 1208 set thread context of 1780	1208	NEW_PO.exe	NEW_PO.exe
PID 1780 set thread context of 1380	1780	NEW_PO.exe	Explorer.EXE
PID 296 set thread context of 1380	296	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

1068 schtasks.exe

pid	process
1068	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

powershell.exeNEW_PO.execmd.exe

pid	process
1108	powershell.exe
1780	NEW_PO.exe
1780	NEW_PO.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe
296	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

NEW_PO.execmd.exe

pid process

1780 NEW_PO.exe
1780 NEW_PO.exe
1780 NEW_PO.exe
296 cmd.exe
296 cmd.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeNEW_PO.execmd.exe

description pid process

Token: SeDebugPrivilege 1108 powershell.exe
Token: SeDebugPrivilege 1780 NEW_PO.exe
Token: SeDebugPrivilege 296 cmd.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE

pid	process
1780	NEW_PO.exe
1780	NEW_PO.exe
1780	NEW_PO.exe
296	cmd.exe
296	cmd.exe

description	pid	process
Token: SeDebugPrivilege	1108	powershell.exe
Token: SeDebugPrivilege	1780	NEW_PO.exe
Token: SeDebugPrivilege	296	cmd.exe

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

NEW_PO.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 1208 wrote to memory of 1108	1208	NEW_PO.exe	powershell.exe
PID 1208 wrote to memory of 1108	1208	NEW_PO.exe	powershell.exe
PID 1208 wrote to memory of 1108	1208	NEW_PO.exe	powershell.exe
PID 1208 wrote to memory of 1108	1208	NEW_PO.exe	powershell.exe
PID 1208 wrote to memory of 1068	1208	NEW_PO.exe	schtasks.exe
PID 1208 wrote to memory of 1068	1208	NEW_PO.exe	schtasks.exe
PID 1208 wrote to memory of 1068	1208	NEW_PO.exe	schtasks.exe
PID 1208 wrote to memory of 1068	1208	NEW_PO.exe	schtasks.exe
PID 1208 wrote to memory of 1780	1208	NEW_PO.exe	NEW_PO.exe
PID 1208 wrote to memory of 1780	1208	NEW_PO.exe	NEW_PO.exe
PID 1208 wrote to memory of 1780	1208	NEW_PO.exe	NEW_PO.exe
PID 1208 wrote to memory of 1780	1208	NEW_PO.exe	NEW_PO.exe
PID 1208 wrote to memory of 1780	1208	NEW_PO.exe	NEW_PO.exe
PID 1208 wrote to memory of 1780	1208	NEW_PO.exe	NEW_PO.exe
PID 1208 wrote to memory of 1780	1208	NEW_PO.exe	NEW_PO.exe
PID 1380 wrote to memory of 296	1380	Explorer.EXE	cmd.exe
PID 1380 wrote to memory of 296	1380	Explorer.EXE	cmd.exe
PID 1380 wrote to memory of 296	1380	Explorer.EXE	cmd.exe
PID 1380 wrote to memory of 296	1380	Explorer.EXE	cmd.exe
PID 296 wrote to memory of 1496	296	cmd.exe	cmd.exe
PID 296 wrote to memory of 1496	296	cmd.exe	cmd.exe
PID 296 wrote to memory of 1496	296	cmd.exe	cmd.exe
PID 296 wrote to memory of 1496	296	cmd.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:1380

C:\Users\Admin\AppData\Local\Temp\NEW_PO.exe
"C:\Users\Admin\AppData\Local\Temp\NEW_PO.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1208

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:1108

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KnZkGwb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB51D.tmp"
3⤵
- Creates scheduled task(s)
PID:1068

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:1780

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:296

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\NEW_PO.exe"
3⤵
- Deletes itself
PID:1496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB51D.tmp
Filesize
1KB

MD5
20414da9f20a334795e35e21710dc90e

SHA1
43741352c052b75b0baf7b3980330929c6cc4873

SHA256
863757de14e0081cff6601605eaa2b95f4c7195bbe7a435b4a9fcf3769f0186a

SHA512
89a1adfb1a2c224d3c02e1fa1192ba65f5359e76b1ce4ffc7d691244551cb678fa102c533e0d34698ca1af64d9b01631de8ab740bc515a95004fdc06cde64d2a

Download Submit
memory/296-82-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/296-80-0x0000000001E30000-0x0000000001EC4000-memory.dmp

Filesize
592KB

Download
memory/296-79-0x0000000001EF0000-0x00000000021F3000-memory.dmp

Filesize
3.0MB

Download
memory/296-78-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/296-77-0x000000004AB70000-0x000000004ABBC000-memory.dmp

Filesize
304KB

Download
memory/296-75-0x0000000000000000-mapping.dmp

Download
memory/1068-60-0x0000000000000000-mapping.dmp

Download
memory/1108-59-0x0000000000000000-mapping.dmp

Download
memory/1108-71-0x000000006EAA0000-0x000000006F04B000-memory.dmp

Filesize
5.7MB

Download
memory/1208-55-0x00000000758D1000-0x00000000758D3000-memory.dmp

Filesize
8KB

Download
memory/1208-63-0x0000000004240000-0x0000000004276000-memory.dmp

Filesize
216KB

Download
memory/1208-56-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/1208-57-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/1208-58-0x0000000005EC0000-0x0000000005F44000-memory.dmp

Filesize
528KB

Download
memory/1208-54-0x0000000000930000-0x00000000009E4000-memory.dmp

Filesize
720KB

Download
memory/1380-83-0x0000000006040000-0x0000000006125000-memory.dmp

Filesize
916KB

Download
memory/1380-81-0x0000000006040000-0x0000000006125000-memory.dmp

Filesize
916KB

Download
memory/1380-74-0x0000000006B20000-0x0000000006C55000-memory.dmp

Filesize
1.2MB

Download
memory/1496-76-0x0000000000000000-mapping.dmp

Download
memory/1780-68-0x000000000041F1A0-mapping.dmp

Download
memory/1780-73-0x0000000000270000-0x0000000000285000-memory.dmp

Filesize
84KB

Download
memory/1780-72-0x00000000009F0000-0x0000000000CF3000-memory.dmp

Filesize
3.0MB

Download
memory/1780-70-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1780-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1780-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1780-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads