formbook | 756a40a8fc86bb54ff4ead8e9d9c173b3051f4d77a60530b471a7be752f8bad6

General

Target

HSBC_MT 103 COPY.pdf.exe
Size

859KB
MD5

98df186174c94d00f0eed173263428ed
SHA1

4c5f773f3ed70d64b6a43866ef805027db4ec2e7
SHA256

756a40a8fc86bb54ff4ead8e9d9c173b3051f4d77a60530b471a7be752f8bad6
SHA512

51344f4807e696c62dbd6b4692358d4ce6941a494a0e4afc1f1a6a0b63581512e516c7520aabcc470a4ffc6310338a818d2f40d18586dd86e19896b4fb5ec869
SSDEEP

24576:GT/0shbH1oT/0shbOYAeqJTVaO225hukD5WKoCuY:M5M5AeqJTw25eCu

Score

10^/10

formbook ba17 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ba17

Decoy

bearwant.com

sdsguanfang.com

steamcommunityvia.top

sugarplumtreasures.com

koronislakefishing.com

jmae.xyz

xhxnqemkiqe.xyz

playzcrew.com

zatwsbq.com

lankofix.com

sh-zhepeng.com

mibodamisxv.online

butterflyjewelry.store

finestrecitalto-spottoday.info

globomateria.com

royalmdarts.com

d4af10836709.com

shepwill.com

67aldrich.info

trustedmakers.club

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/992-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/992-68-0x000000000041F1E0-mapping.dmp	formbook
behavioral1/memory/992-70-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1052-79-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1052-83-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

768 cmd.exe

pid	process
768	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

HSBC_MT 103 COPY.pdf.exeHSBC_MT 103 COPY.pdf.exewlanext.exe

description	pid	process	target process
PID 1356 set thread context of 992	1356	HSBC_MT 103 COPY.pdf.exe	HSBC_MT 103 COPY.pdf.exe
PID 992 set thread context of 1232	992	HSBC_MT 103 COPY.pdf.exe	Explorer.EXE
PID 1052 set thread context of 1232	1052	wlanext.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

1592 schtasks.exe

pid	process
1592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

HSBC_MT 103 COPY.pdf.exeHSBC_MT 103 COPY.pdf.exepowershell.exewlanext.exe

pid	process
1356	HSBC_MT 103 COPY.pdf.exe
1356	HSBC_MT 103 COPY.pdf.exe
1356	HSBC_MT 103 COPY.pdf.exe
1356	HSBC_MT 103 COPY.pdf.exe
1356	HSBC_MT 103 COPY.pdf.exe
1356	HSBC_MT 103 COPY.pdf.exe
1356	HSBC_MT 103 COPY.pdf.exe
1356	HSBC_MT 103 COPY.pdf.exe
1356	HSBC_MT 103 COPY.pdf.exe
992	HSBC_MT 103 COPY.pdf.exe
992	HSBC_MT 103 COPY.pdf.exe
1704	powershell.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe
1052	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

HSBC_MT 103 COPY.pdf.exewlanext.exe

pid process

992 HSBC_MT 103 COPY.pdf.exe
992 HSBC_MT 103 COPY.pdf.exe
992 HSBC_MT 103 COPY.pdf.exe
1052 wlanext.exe
1052 wlanext.exe

pid	process
992	HSBC_MT 103 COPY.pdf.exe
992	HSBC_MT 103 COPY.pdf.exe
992	HSBC_MT 103 COPY.pdf.exe
1052	wlanext.exe
1052	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

HSBC_MT 103 COPY.pdf.exeHSBC_MT 103 COPY.pdf.exepowershell.exewlanext.exe

description	pid	process
Token: SeDebugPrivilege	1356	HSBC_MT 103 COPY.pdf.exe
Token: SeDebugPrivilege	992	HSBC_MT 103 COPY.pdf.exe
Token: SeDebugPrivilege	1704	powershell.exe
Token: SeDebugPrivilege	1052	wlanext.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

HSBC_MT 103 COPY.pdf.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 1356 wrote to memory of 1704	1356	HSBC_MT 103 COPY.pdf.exe	powershell.exe
PID 1356 wrote to memory of 1704	1356	HSBC_MT 103 COPY.pdf.exe	powershell.exe
PID 1356 wrote to memory of 1704	1356	HSBC_MT 103 COPY.pdf.exe	powershell.exe
PID 1356 wrote to memory of 1704	1356	HSBC_MT 103 COPY.pdf.exe	powershell.exe
PID 1356 wrote to memory of 1592	1356	HSBC_MT 103 COPY.pdf.exe	schtasks.exe
PID 1356 wrote to memory of 1592	1356	HSBC_MT 103 COPY.pdf.exe	schtasks.exe
PID 1356 wrote to memory of 1592	1356	HSBC_MT 103 COPY.pdf.exe	schtasks.exe
PID 1356 wrote to memory of 1592	1356	HSBC_MT 103 COPY.pdf.exe	schtasks.exe
PID 1356 wrote to memory of 992	1356	HSBC_MT 103 COPY.pdf.exe	HSBC_MT 103 COPY.pdf.exe
PID 1356 wrote to memory of 992	1356	HSBC_MT 103 COPY.pdf.exe	HSBC_MT 103 COPY.pdf.exe
PID 1356 wrote to memory of 992	1356	HSBC_MT 103 COPY.pdf.exe	HSBC_MT 103 COPY.pdf.exe
PID 1356 wrote to memory of 992	1356	HSBC_MT 103 COPY.pdf.exe	HSBC_MT 103 COPY.pdf.exe
PID 1356 wrote to memory of 992	1356	HSBC_MT 103 COPY.pdf.exe	HSBC_MT 103 COPY.pdf.exe
PID 1356 wrote to memory of 992	1356	HSBC_MT 103 COPY.pdf.exe	HSBC_MT 103 COPY.pdf.exe
PID 1356 wrote to memory of 992	1356	HSBC_MT 103 COPY.pdf.exe	HSBC_MT 103 COPY.pdf.exe
PID 1232 wrote to memory of 1052	1232	Explorer.EXE	wlanext.exe
PID 1232 wrote to memory of 1052	1232	Explorer.EXE	wlanext.exe
PID 1232 wrote to memory of 1052	1232	Explorer.EXE	wlanext.exe
PID 1232 wrote to memory of 1052	1232	Explorer.EXE	wlanext.exe
PID 1052 wrote to memory of 768	1052	wlanext.exe	cmd.exe
PID 1052 wrote to memory of 768	1052	wlanext.exe	cmd.exe
PID 1052 wrote to memory of 768	1052	wlanext.exe	cmd.exe
PID 1052 wrote to memory of 768	1052	wlanext.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:1232

C:\Users\Admin\AppData\Local\Temp\HSBC_MT 103 COPY.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\HSBC_MT 103 COPY.pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hSeyTCuDxScTPG.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1704

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hSeyTCuDxScTPG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE4C4.tmp"
3⤵
- Creates scheduled task(s)
PID:1592

C:\Users\Admin\AppData\Local\Temp\HSBC_MT 103 COPY.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\HSBC_MT 103 COPY.pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:992

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1384

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1048

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1332

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:636

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:428

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1052

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\HSBC_MT 103 COPY.pdf.exe"
3⤵
- Deletes itself
PID:768

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:868

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1796

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\tmpE4C4.tmp
Filesize
1KB

MD5
9542592a3475ad63d54dbd5c87df233c

SHA1
5dadc56b77e373d389add0a83b34abecb0962b0d

SHA256
c2da26379842d076f65979cea63b502dc96d060f54ad82d4b0564295c35fb3ab

SHA512
70d5c583854dcab52389903fdc9483bcc10a9cc1229699d6c2c59f544e29b5617f52db69b05dcaf3f62cc38036bf5401b3548841734b81202066c1f5dd5d44b6

Download Submit
memory/768-77-0x0000000000000000-mapping.dmp

Download
memory/992-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/992-73-0x0000000000140000-0x0000000000155000-memory.dmp

Filesize
84KB

Download
memory/992-72-0x0000000000D90000-0x0000000001093000-memory.dmp

Filesize
3.0MB

Download
memory/992-70-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/992-68-0x000000000041F1E0-mapping.dmp

Download
memory/992-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/992-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1052-78-0x0000000000B20000-0x0000000000B36000-memory.dmp

Filesize
88KB

Download
memory/1052-83-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1052-81-0x00000000003B0000-0x0000000000444000-memory.dmp

Filesize
592KB

Download
memory/1052-80-0x00000000020D0000-0x00000000023D3000-memory.dmp

Filesize
3.0MB

Download
memory/1052-79-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1052-76-0x0000000000000000-mapping.dmp

Download
memory/1232-84-0x0000000003EC0000-0x0000000003F74000-memory.dmp

Filesize
720KB

Download
memory/1232-82-0x0000000003EC0000-0x0000000003F74000-memory.dmp

Filesize
720KB

Download
memory/1232-74-0x0000000004790000-0x00000000048FD000-memory.dmp

Filesize
1.4MB

Download
memory/1356-58-0x0000000007DB0000-0x0000000007E34000-memory.dmp

Filesize
528KB

Download
memory/1356-56-0x0000000000290000-0x00000000002AA000-memory.dmp

Filesize
104KB

Download
memory/1356-55-0x0000000076711000-0x0000000076713000-memory.dmp

Filesize
8KB

Download
memory/1356-54-0x0000000000CB0000-0x0000000000D8E000-memory.dmp

Filesize
888KB

Download
memory/1356-57-0x0000000000590000-0x000000000059C000-memory.dmp

Filesize
48KB

Download
memory/1356-63-0x0000000002280000-0x00000000022B4000-memory.dmp

Filesize
208KB

Download
memory/1592-60-0x0000000000000000-mapping.dmp

Download
memory/1704-71-0x000000006F150000-0x000000006F6FB000-memory.dmp

Filesize
5.7MB

Download
memory/1704-75-0x000000006F150000-0x000000006F6FB000-memory.dmp

Filesize
5.7MB

Download
memory/1704-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads