formbook | f6a1cf040ecee307e3e5289f73b27664e33db21aaac5142e89b2a956934ae0c9

General

Target

PO210119.exe
Size

1.5MB
MD5

b074bc8cc313c6fcafe448ae189de963
SHA1

427ad90e6f9e40c447a66dedb344c788764cbf92
SHA256

f6a1cf040ecee307e3e5289f73b27664e33db21aaac5142e89b2a956934ae0c9
SHA512

86067908dc9e432cb6362e1925d0aa5e57cde258d5c4dfb724a8e1dde9a273b1062e2a37d1ee82ea10ed08f7f20619ed96f5df6cad81c90d0757fd7d055b371a

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.midnightblueinc.com/2kf/

Decoy

edmondscakes.com

doublewldr.online

tickets2usa.com

heyhxry.com

weightloss-gulfport.com

prosselius.com

newviewroofers.com

jacksonarearealestate.com

catparkas.xyz

pagos2020.com

sonwsefjrahi.online

franchisethings.com

nuocvietngaynay.com

sohelvai.com

mikeyroush.com

lamesaroofing.com

betbigo138.com

amazon-service-recovery.com

clockin.net

riostrader.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/1664-10-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1664-11-0x000000000041EB30-mapping.dmp	formbook
behavioral1/memory/816-22-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1056 cmd.exe

pid	process
1056	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO210119.exePO210119.execmstp.exe

description	pid	process	target process
PID 1596 set thread context of 1664	1596	PO210119.exe	PO210119.exe
PID 1664 set thread context of 1232	1664	PO210119.exe	Explorer.EXE
PID 1664 set thread context of 1232	1664	PO210119.exe	Explorer.EXE
PID 816 set thread context of 1232	816	cmstp.exe	Explorer.EXE

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

1456 schtasks.exe

pid	process
1456	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

PO210119.execmstp.exe

pid	process
1664	PO210119.exe
1664	PO210119.exe
1664	PO210119.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe
816	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PO210119.execmstp.exe

pid process

1664 PO210119.exe
1664 PO210119.exe
1664 PO210119.exe
1664 PO210119.exe
816 cmstp.exe
816 cmstp.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO210119.exePO210119.execmstp.exe

description pid process

Token: SeDebugPrivilege 1596 PO210119.exe
Token: SeDebugPrivilege 1664 PO210119.exe
Token: SeDebugPrivilege 816 cmstp.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1596	PO210119.exe
Token: SeDebugPrivilege	1664	PO210119.exe
Token: SeDebugPrivilege	816	cmstp.exe

pid	process
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

PO210119.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 1596 wrote to memory of 1456	1596	PO210119.exe	schtasks.exe
PID 1596 wrote to memory of 1456	1596	PO210119.exe	schtasks.exe
PID 1596 wrote to memory of 1456	1596	PO210119.exe	schtasks.exe
PID 1596 wrote to memory of 1456	1596	PO210119.exe	schtasks.exe
PID 1596 wrote to memory of 1664	1596	PO210119.exe	PO210119.exe
PID 1596 wrote to memory of 1664	1596	PO210119.exe	PO210119.exe
PID 1596 wrote to memory of 1664	1596	PO210119.exe	PO210119.exe
PID 1596 wrote to memory of 1664	1596	PO210119.exe	PO210119.exe
PID 1596 wrote to memory of 1664	1596	PO210119.exe	PO210119.exe
PID 1596 wrote to memory of 1664	1596	PO210119.exe	PO210119.exe
PID 1596 wrote to memory of 1664	1596	PO210119.exe	PO210119.exe
PID 1232 wrote to memory of 816	1232	Explorer.EXE	cmstp.exe
PID 1232 wrote to memory of 816	1232	Explorer.EXE	cmstp.exe
PID 1232 wrote to memory of 816	1232	Explorer.EXE	cmstp.exe
PID 1232 wrote to memory of 816	1232	Explorer.EXE	cmstp.exe
PID 1232 wrote to memory of 816	1232	Explorer.EXE	cmstp.exe
PID 1232 wrote to memory of 816	1232	Explorer.EXE	cmstp.exe
PID 1232 wrote to memory of 816	1232	Explorer.EXE	cmstp.exe
PID 816 wrote to memory of 1056	816	cmstp.exe	cmd.exe
PID 816 wrote to memory of 1056	816	cmstp.exe	cmd.exe
PID 816 wrote to memory of 1056	816	cmstp.exe	cmd.exe
PID 816 wrote to memory of 1056	816	cmstp.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\PO210119.exe
"C:\Users\Admin\AppData\Local\Temp\PO210119.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uczynErOwa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5763.tmp"
3⤵
- Creates scheduled task(s)
PID:1456

C:\Users\Admin\AppData\Local\Temp\PO210119.exe
"C:\Users\Admin\AppData\Local\Temp\PO210119.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1664

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:816

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO210119.exe"
3⤵
- Deletes itself
PID:1056

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5763.tmp
MD5
5da53e59b5484d4052675ae0820ad671

SHA1
55a5856bd6ae28605689c47df1b072bea0765978

SHA256
3464d2b49d40056567bca9adcb62bba54e20a693cf114aa6295638920fe4189b

SHA512
d30aaf333f5cbf5d4e327d030329ae406846d3e9bc4ea25758f1e5548571bb51dd2dcbbf0229705ab6965ad6673d65d209807ac6fe2d83774f75c13ebe884012

Download Submit
memory/816-24-0x0000000001E40000-0x0000000001ED3000-memory.dmp

Filesize
588KB

Download
memory/816-23-0x0000000001EE0000-0x00000000021E3000-memory.dmp

Filesize
3.0MB

Download
memory/816-22-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/816-21-0x0000000000310000-0x0000000000328000-memory.dmp

Filesize
96KB

Download
memory/816-19-0x0000000075781000-0x0000000075783000-memory.dmp

Filesize
8KB

Download
memory/816-18-0x0000000000000000-mapping.dmp

Download
memory/1056-20-0x0000000000000000-mapping.dmp

Download
memory/1232-15-0x0000000004190000-0x0000000004300000-memory.dmp

Filesize
1.4MB

Download
memory/1232-17-0x00000000071A0000-0x0000000007345000-memory.dmp

Filesize
1.6MB

Download
memory/1456-8-0x0000000000000000-mapping.dmp

Download
memory/1596-2-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1596-7-0x0000000007510000-0x0000000007576000-memory.dmp

Filesize
408KB

Download
memory/1596-6-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/1596-5-0x0000000000580000-0x00000000005A3000-memory.dmp

Filesize
140KB

Download
memory/1596-3-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1664-14-0x0000000000120000-0x0000000000134000-memory.dmp

Filesize
80KB

Download
memory/1664-16-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/1664-13-0x00000000009B0000-0x0000000000CB3000-memory.dmp

Filesize
3.0MB

Download
memory/1664-11-0x000000000041EB30-mapping.dmp

Download
memory/1664-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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