formbook | 01622d3e6d14184769fc2b052e32588b7bbd86f5a61e511f395db4695d7018a9

General

Target

LVpromo.exe
Size

769KB
MD5

77e85ad8891096baba68e44b43f2f820
SHA1

11517a0e9f4c5f39170f8083436ff6156b5ecf7b
SHA256

01622d3e6d14184769fc2b052e32588b7bbd86f5a61e511f395db4695d7018a9
SHA512

7c6727fe6a9a2092e576d75cb4ad2cf22f9b2fcba394049430e236590a38d9a90590f52ea89ea96a82e8226e61a70b6e41ab89a7fc6fca9fed13ddcabf4c6a7a

Score

10^/10

formbook oh75 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oh75

Decoy

denizgidam.com

6cc06.com

charlottewaldburgzeil.com

medijanus.com

qingdaoyiersan.com

datcabilgisayar.xyz

111439d.com

xn--1ruo40k.com

wu6enxwcx5h3.xyz

vnscloud.net

brtka.xyz

showztime.com

promocoesdedezenbro.com

wokpy.com

chnowuk.online

rockshotscafe.com

pelrjy.com

nato-riness.com

feixiang-chem.com

thcoinexchange.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/1540-63-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1540-68-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1296-73-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1636 cmd.exe

pid	process
1636	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

LVpromo.exeLVpromo.execontrol.exe

description	pid	process	target process
PID 1664 set thread context of 1540	1664	LVpromo.exe	LVpromo.exe
PID 1540 set thread context of 1412	1540	LVpromo.exe	Explorer.EXE
PID 1540 set thread context of 1412	1540	LVpromo.exe	Explorer.EXE
PID 1296 set thread context of 1412	1296	control.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

1548 schtasks.exe

pid	process
1548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

powershell.exeLVpromo.execontrol.exe

pid	process
1320	powershell.exe
1540	LVpromo.exe
1540	LVpromo.exe
1540	LVpromo.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe
1296	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

LVpromo.execontrol.exe

pid process

1540 LVpromo.exe
1540 LVpromo.exe
1540 LVpromo.exe
1540 LVpromo.exe
1296 control.exe
1296 control.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeLVpromo.execontrol.exe

description pid process

Token: SeDebugPrivilege 1320 powershell.exe
Token: SeDebugPrivilege 1540 LVpromo.exe
Token: SeDebugPrivilege 1296 control.exe

pid	process
1540	LVpromo.exe
1540	LVpromo.exe
1540	LVpromo.exe
1540	LVpromo.exe
1296	control.exe
1296	control.exe

description	pid	process
Token: SeDebugPrivilege	1320	powershell.exe
Token: SeDebugPrivilege	1540	LVpromo.exe
Token: SeDebugPrivilege	1296	control.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

LVpromo.exeExplorer.EXEcontrol.exe

description	pid	process	target process
PID 1664 wrote to memory of 1320	1664	LVpromo.exe	powershell.exe
PID 1664 wrote to memory of 1320	1664	LVpromo.exe	powershell.exe
PID 1664 wrote to memory of 1320	1664	LVpromo.exe	powershell.exe
PID 1664 wrote to memory of 1320	1664	LVpromo.exe	powershell.exe
PID 1664 wrote to memory of 1548	1664	LVpromo.exe	schtasks.exe
PID 1664 wrote to memory of 1548	1664	LVpromo.exe	schtasks.exe
PID 1664 wrote to memory of 1548	1664	LVpromo.exe	schtasks.exe
PID 1664 wrote to memory of 1548	1664	LVpromo.exe	schtasks.exe
PID 1664 wrote to memory of 1540	1664	LVpromo.exe	LVpromo.exe
PID 1664 wrote to memory of 1540	1664	LVpromo.exe	LVpromo.exe
PID 1664 wrote to memory of 1540	1664	LVpromo.exe	LVpromo.exe
PID 1664 wrote to memory of 1540	1664	LVpromo.exe	LVpromo.exe
PID 1664 wrote to memory of 1540	1664	LVpromo.exe	LVpromo.exe
PID 1664 wrote to memory of 1540	1664	LVpromo.exe	LVpromo.exe
PID 1664 wrote to memory of 1540	1664	LVpromo.exe	LVpromo.exe
PID 1412 wrote to memory of 1296	1412	Explorer.EXE	control.exe
PID 1412 wrote to memory of 1296	1412	Explorer.EXE	control.exe
PID 1412 wrote to memory of 1296	1412	Explorer.EXE	control.exe
PID 1412 wrote to memory of 1296	1412	Explorer.EXE	control.exe
PID 1296 wrote to memory of 1636	1296	control.exe	cmd.exe
PID 1296 wrote to memory of 1636	1296	control.exe	cmd.exe
PID 1296 wrote to memory of 1636	1296	control.exe	cmd.exe
PID 1296 wrote to memory of 1636	1296	control.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1412

C:\Users\Admin\AppData\Local\Temp\LVpromo.exe
"C:\Users\Admin\AppData\Local\Temp\LVpromo.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DhcJUDDVFUzIJt.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1320

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DhcJUDDVFUzIJt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64BC.tmp"
3⤵
- Creates scheduled task(s)
PID:1548

C:\Users\Admin\AppData\Local\Temp\LVpromo.exe
"C:\Users\Admin\AppData\Local\Temp\LVpromo.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1540

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- 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\LVpromo.exe"
3⤵
- Deletes itself
PID:1636

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp64BC.tmp
MD5
962b3e21d05aacfdeed4f29f3cf9c771

SHA1
3aeeeeebb9938785a82dce8736de4837846d98d9

SHA256
3f6bfe0e1ed1539a914dc02984134f3751d843ff39c1a0659940c114c8c2abad

SHA512
42aaa4e78eef6a6d97f5669bca38c80e75374f0c5a6f7b456d479f67d9cf9b0f6c1aaec7fff15a8060e6a1cc95b0eb2b2d7931505013c76ce6745f88c7b8a430

Download Submit
memory/1296-72-0x00000000002F0000-0x000000000030F000-memory.dmp

Filesize
124KB

Download
memory/1296-74-0x00000000020C0000-0x00000000023C3000-memory.dmp

Filesize
3.0MB

Download
memory/1296-75-0x0000000000510000-0x00000000005A3000-memory.dmp

Filesize
588KB

Download
memory/1296-73-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1412-70-0x0000000006AA0000-0x0000000006BCD000-memory.dmp

Filesize
1.2MB

Download
memory/1412-76-0x0000000007BF0000-0x0000000007D3B000-memory.dmp

Filesize
1.3MB

Download
memory/1412-67-0x0000000006960000-0x0000000006A9C000-memory.dmp

Filesize
1.2MB

Download
memory/1540-65-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download
memory/1540-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1540-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1540-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1540-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1540-69-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/1540-66-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/1664-57-0x00000000005F0000-0x00000000005FC000-memory.dmp

Filesize
48KB

Download
memory/1664-55-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1664-58-0x0000000005470000-0x00000000054DA000-memory.dmp

Filesize
424KB

Download
memory/1664-54-0x0000000000CB0000-0x0000000000D76000-memory.dmp

Filesize
792KB

Download
memory/1664-56-0x0000000000C30000-0x0000000000C31000-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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