formbook | ac4d23b56b2aac65756dafc7d6ff505ba986f40410370ca4c094f0530e399d79

General

Target

REVISED INVOICE DETAILS.exe
Size

1.2MB
MD5

f085c3358b59f0f7233e460816b9cffd
SHA1

1fa9928211033fd8afadc910e5acbd608d2686d1
SHA256

ac4d23b56b2aac65756dafc7d6ff505ba986f40410370ca4c094f0530e399d79
SHA512

88525849adc8ea59bf90a3e95d284b66514e24a955f059d1be29eab26e9d052d6dcd353668a3330055478b5c982ce508a8aa2aabe42dfc99979c9a4a70637d43

Score

10^/10

formbook rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.fabricwarehousebrla.com/mjf5/

Decoy

scxmarine.com

4week-keto-results.com

alllivesmattertojesus.info

stoxets.com

psm-gen.com

u2collect.com

steveandgail.com

dgemediagroup.com

ragsxghi.com

hirobasushinv.com

fcvlamingo.com

thebrownseaproject.com

achalaproductions.com

unstoppableinvesting.com

epay12303.com

polenmoda.com

pgpitagi.com

picksfacts.com

allhubph.com

negociandocomvocebr.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/808-122-0x00000000060C0000-0x00000000060CB000-memory.dmp	CustAttr

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1604-128-0x000000000041EDB0-mapping.dmp	formbook
behavioral2/memory/1604-127-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/2292-135-0x0000000000DC0000-0x0000000000DEE000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

REVISED INVOICE DETAILS.exeREVISED INVOICE DETAILS.execmd.exe

description	pid	process	target process
PID 808 set thread context of 1604	808	REVISED INVOICE DETAILS.exe	REVISED INVOICE DETAILS.exe
PID 1604 set thread context of 3052	1604	REVISED INVOICE DETAILS.exe	Explorer.EXE
PID 2292 set thread context of 3052	2292	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

2816 schtasks.exe

pid	process
2816	schtasks.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

Processes:

REVISED INVOICE DETAILS.exeREVISED INVOICE DETAILS.execmd.exe

pid	process
808	REVISED INVOICE DETAILS.exe
1604	REVISED INVOICE DETAILS.exe
1604	REVISED INVOICE DETAILS.exe
1604	REVISED INVOICE DETAILS.exe
1604	REVISED INVOICE DETAILS.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe
2292	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

REVISED INVOICE DETAILS.execmd.exe

pid process

1604 REVISED INVOICE DETAILS.exe
1604 REVISED INVOICE DETAILS.exe
1604 REVISED INVOICE DETAILS.exe
2292 cmd.exe
2292 cmd.exe

pid	process
3052	Explorer.EXE

pid	process
1604	REVISED INVOICE DETAILS.exe
1604	REVISED INVOICE DETAILS.exe
1604	REVISED INVOICE DETAILS.exe
2292	cmd.exe
2292	cmd.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

REVISED INVOICE DETAILS.exeREVISED INVOICE DETAILS.exeExplorer.EXEcmd.exe

description	pid	process
Token: SeDebugPrivilege	808	REVISED INVOICE DETAILS.exe
Token: SeDebugPrivilege	1604	REVISED INVOICE DETAILS.exe
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeShutdownPrivilege	3052	Explorer.EXE
Token: SeCreatePagefilePrivilege	3052	Explorer.EXE
Token: SeDebugPrivilege	2292	cmd.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3052 Explorer.EXE

pid	process
3052	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

REVISED INVOICE DETAILS.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 808 wrote to memory of 2816	808	REVISED INVOICE DETAILS.exe	schtasks.exe
PID 808 wrote to memory of 2816	808	REVISED INVOICE DETAILS.exe	schtasks.exe
PID 808 wrote to memory of 2816	808	REVISED INVOICE DETAILS.exe	schtasks.exe
PID 808 wrote to memory of 1604	808	REVISED INVOICE DETAILS.exe	REVISED INVOICE DETAILS.exe
PID 808 wrote to memory of 1604	808	REVISED INVOICE DETAILS.exe	REVISED INVOICE DETAILS.exe
PID 808 wrote to memory of 1604	808	REVISED INVOICE DETAILS.exe	REVISED INVOICE DETAILS.exe
PID 808 wrote to memory of 1604	808	REVISED INVOICE DETAILS.exe	REVISED INVOICE DETAILS.exe
PID 808 wrote to memory of 1604	808	REVISED INVOICE DETAILS.exe	REVISED INVOICE DETAILS.exe
PID 808 wrote to memory of 1604	808	REVISED INVOICE DETAILS.exe	REVISED INVOICE DETAILS.exe
PID 3052 wrote to memory of 2292	3052	Explorer.EXE	cmd.exe
PID 3052 wrote to memory of 2292	3052	Explorer.EXE	cmd.exe
PID 3052 wrote to memory of 2292	3052	Explorer.EXE	cmd.exe
PID 2292 wrote to memory of 2236	2292	cmd.exe	cmd.exe
PID 2292 wrote to memory of 2236	2292	cmd.exe	cmd.exe
PID 2292 wrote to memory of 2236	2292	cmd.exe	cmd.exe

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

C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE DETAILS.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE DETAILS.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dONWcNjO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7AAF.tmp"
3⤵
- Creates scheduled task(s)
PID:2816

C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE DETAILS.exe
"C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE DETAILS.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1604

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:2292

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE DETAILS.exe"
3⤵
PID:2236

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\tmp7AAF.tmp
MD5
c9eafe0306ddd65d515cfbb3c3c12931

SHA1
7c055303493b09503919bd3ca4bcc4c3564616be

SHA256
11f27df4e890c3862f80faedcc81a96312c0aaa191dcded04c9a733a2b401b69

SHA512
2a33733d145fd27619641d4118555e5482e6e9de722585304bbf89884a93ae4588ff1ad3ed7183d8016f5bbd29f5192afd160d25b96a3aa2fad8f507358d1574

Download Submit
memory/808-116-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/808-117-0x0000000005800000-0x0000000005801000-memory.dmp

Filesize
4KB

Download
memory/808-118-0x00000000053A0000-0x00000000053A1000-memory.dmp

Filesize
4KB

Download
memory/808-119-0x00000000052E0000-0x00000000052E1000-memory.dmp

Filesize
4KB

Download
memory/808-120-0x0000000005500000-0x0000000005501000-memory.dmp

Filesize
4KB

Download
memory/808-121-0x0000000005300000-0x00000000057FE000-memory.dmp

Filesize
5.0MB

Download
memory/808-122-0x00000000060C0000-0x00000000060CB000-memory.dmp

Filesize
44KB

Download
memory/808-123-0x0000000007A90000-0x0000000007B0A000-memory.dmp

Filesize
488KB

Download
memory/808-124-0x0000000007B10000-0x0000000007B45000-memory.dmp

Filesize
212KB

Download
memory/808-114-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/1604-128-0x000000000041EDB0-mapping.dmp

Download
memory/1604-127-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1604-129-0x0000000000FC0000-0x00000000012E0000-memory.dmp

Filesize
3.1MB

Download
memory/1604-130-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/2236-133-0x0000000000000000-mapping.dmp

Download
memory/2292-132-0x0000000000000000-mapping.dmp

Download
memory/2292-134-0x00000000010D0000-0x0000000001129000-memory.dmp

Filesize
356KB

Download
memory/2292-135-0x0000000000DC0000-0x0000000000DEE000-memory.dmp

Filesize
184KB

Download
memory/2292-136-0x0000000003680000-0x00000000039A0000-memory.dmp

Filesize
3.1MB

Download
memory/2292-137-0x00000000039A0000-0x0000000003A33000-memory.dmp

Filesize
588KB

Download
memory/2816-125-0x0000000000000000-mapping.dmp

Download
memory/3052-131-0x0000000004C80000-0x0000000004D86000-memory.dmp

Filesize
1.0MB

Download
memory/3052-138-0x0000000002690000-0x000000000274A000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads