formbook | 4f450fcf02d7006fd4fbea8c2cad999397672d44864f1e8c504633ce53c3d53d

Analysis

max time kernel
149s
max time network
135s
platform
windows7_x64
resource
win7v20201028
submitted
08-04-2021 07:41

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General

Target

Payment Slip.exe
Size

505KB
MD5

2ca388f576c09252531a51474cdf74ae
SHA1

2d8f4f340bf642fc0f2565a20ed079cc669e18b3
SHA256

4f450fcf02d7006fd4fbea8c2cad999397672d44864f1e8c504633ce53c3d53d
SHA512

373f3f9690c9061922ea95ec24c86c87a586125949e1368268b018185be44db6cc273cec9e42821f857b733d9bbe6462e5b8ba37149f577597dcaa33f1f0e791

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

http://www.the-techs.info/chue/

Decoy

wowmovies.today

magentos6.com

bi-nav.com

atlantahawks.sucks

wluabjy.icu

kevableinsights.com

lavidaenaustralia.com

stonermadeapparel.net

sondein.com

cirquedusoleilartist.com

kanjitem.com

tomofalltrades.site

mecanico.guru

tech2020s.com

amesoneco.com

theawfulliar.com

californiaadugurus.com

rentalservicesolutions.com

fsxbhd.club

casino-seo.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/1048-29-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1048-30-0x000000000041ED80-mapping.dmp	formbook
behavioral1/memory/840-40-0x00000000000C0000-0x00000000000EE000-memory.dmp	formbook

Nirsoft 13 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft

Executes dropped EXE 4 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exe

pid process

1532 AdvancedRun.exe
1792 AdvancedRun.exe
1800 AdvancedRun.exe
1700 AdvancedRun.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

368 cmd.exe

pid	process
368	cmd.exe

Loads dropped DLL 8 IoCs

Processes:

Payment Slip.exeAdvancedRun.exeAdvancedRun.exe

pid	process
1968	Payment Slip.exe
1968	Payment Slip.exe
1532	AdvancedRun.exe
1532	AdvancedRun.exe
1968	Payment Slip.exe
1968	Payment Slip.exe
1800	AdvancedRun.exe
1800	AdvancedRun.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Payment Slip.exePayment Slip.exesvchost.exe

description	pid	process	target process
PID 1968 set thread context of 1048	1968	Payment Slip.exe	Payment Slip.exe
PID 1048 set thread context of 1388	1048	Payment Slip.exe	Explorer.EXE
PID 1048 set thread context of 1388	1048	Payment Slip.exe	Explorer.EXE
PID 840 set thread context of 1388	840	svchost.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

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exePayment Slip.exePayment Slip.exesvchost.exe

pid	process
1532	AdvancedRun.exe
1532	AdvancedRun.exe
1792	AdvancedRun.exe
1792	AdvancedRun.exe
1800	AdvancedRun.exe
1800	AdvancedRun.exe
1700	AdvancedRun.exe
1700	AdvancedRun.exe
1968	Payment Slip.exe
1968	Payment Slip.exe
1048	Payment Slip.exe
1048	Payment Slip.exe
1048	Payment Slip.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Payment Slip.exesvchost.exe

pid process

1048 Payment Slip.exe
1048 Payment Slip.exe
1048 Payment Slip.exe
1048 Payment Slip.exe
840 svchost.exe
840 svchost.exe

pid	process
1048	Payment Slip.exe
1048	Payment Slip.exe
1048	Payment Slip.exe
1048	Payment Slip.exe
840	svchost.exe
840	svchost.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exePayment Slip.exePayment Slip.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1532	AdvancedRun.exe
Token: SeImpersonatePrivilege	1532	AdvancedRun.exe
Token: SeDebugPrivilege	1792	AdvancedRun.exe
Token: SeImpersonatePrivilege	1792	AdvancedRun.exe
Token: SeDebugPrivilege	1800	AdvancedRun.exe
Token: SeImpersonatePrivilege	1800	AdvancedRun.exe
Token: SeDebugPrivilege	1700	AdvancedRun.exe
Token: SeImpersonatePrivilege	1700	AdvancedRun.exe
Token: SeDebugPrivilege	1968	Payment Slip.exe
Token: SeDebugPrivilege	1048	Payment Slip.exe
Token: SeDebugPrivilege	840	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1388 Explorer.EXE
1388 Explorer.EXE
1388 Explorer.EXE
1388 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1388 Explorer.EXE
1388 Explorer.EXE
1388 Explorer.EXE
1388 Explorer.EXE

pid	process
1388	Explorer.EXE
1388	Explorer.EXE
1388	Explorer.EXE
1388	Explorer.EXE

pid	process
1388	Explorer.EXE
1388	Explorer.EXE
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

Payment Slip.exeAdvancedRun.exeAdvancedRun.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 1968 wrote to memory of 1532	1968	Payment Slip.exe	AdvancedRun.exe
PID 1968 wrote to memory of 1532	1968	Payment Slip.exe	AdvancedRun.exe
PID 1968 wrote to memory of 1532	1968	Payment Slip.exe	AdvancedRun.exe
PID 1968 wrote to memory of 1532	1968	Payment Slip.exe	AdvancedRun.exe
PID 1532 wrote to memory of 1792	1532	AdvancedRun.exe	AdvancedRun.exe
PID 1532 wrote to memory of 1792	1532	AdvancedRun.exe	AdvancedRun.exe
PID 1532 wrote to memory of 1792	1532	AdvancedRun.exe	AdvancedRun.exe
PID 1532 wrote to memory of 1792	1532	AdvancedRun.exe	AdvancedRun.exe
PID 1968 wrote to memory of 1800	1968	Payment Slip.exe	AdvancedRun.exe
PID 1968 wrote to memory of 1800	1968	Payment Slip.exe	AdvancedRun.exe
PID 1968 wrote to memory of 1800	1968	Payment Slip.exe	AdvancedRun.exe
PID 1968 wrote to memory of 1800	1968	Payment Slip.exe	AdvancedRun.exe
PID 1800 wrote to memory of 1700	1800	AdvancedRun.exe	AdvancedRun.exe
PID 1800 wrote to memory of 1700	1800	AdvancedRun.exe	AdvancedRun.exe
PID 1800 wrote to memory of 1700	1800	AdvancedRun.exe	AdvancedRun.exe
PID 1800 wrote to memory of 1700	1800	AdvancedRun.exe	AdvancedRun.exe
PID 1968 wrote to memory of 1048	1968	Payment Slip.exe	Payment Slip.exe
PID 1968 wrote to memory of 1048	1968	Payment Slip.exe	Payment Slip.exe
PID 1968 wrote to memory of 1048	1968	Payment Slip.exe	Payment Slip.exe
PID 1968 wrote to memory of 1048	1968	Payment Slip.exe	Payment Slip.exe
PID 1968 wrote to memory of 1048	1968	Payment Slip.exe	Payment Slip.exe
PID 1968 wrote to memory of 1048	1968	Payment Slip.exe	Payment Slip.exe
PID 1968 wrote to memory of 1048	1968	Payment Slip.exe	Payment Slip.exe
PID 1388 wrote to memory of 840	1388	Explorer.EXE	svchost.exe
PID 1388 wrote to memory of 840	1388	Explorer.EXE	svchost.exe
PID 1388 wrote to memory of 840	1388	Explorer.EXE	svchost.exe
PID 1388 wrote to memory of 840	1388	Explorer.EXE	svchost.exe
PID 840 wrote to memory of 368	840	svchost.exe	cmd.exe
PID 840 wrote to memory of 368	840	svchost.exe	cmd.exe
PID 840 wrote to memory of 368	840	svchost.exe	cmd.exe
PID 840 wrote to memory of 368	840	svchost.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:1388

C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\sc.exe" /WindowState 0 /CommandLine "stop WinDefend" /StartDirectory "" /RunAs 8 /Run
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 1532
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1792

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /WindowState 0 /CommandLine "rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse" /StartDirectory "" /RunAs 8 /Run
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1800

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 1800
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1700

C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1048

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"
3⤵
- Deletes itself
PID:368

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
memory/368-38-0x0000000000000000-mapping.dmp

Download
memory/840-39-0x0000000000B40000-0x0000000000B48000-memory.dmp

Filesize
32KB

Download
memory/840-37-0x0000000000000000-mapping.dmp

Download
memory/840-40-0x00000000000C0000-0x00000000000EE000-memory.dmp

Filesize
184KB

Download
memory/840-41-0x0000000000780000-0x0000000000A83000-memory.dmp

Filesize
3.0MB

Download
memory/840-42-0x00000000005D0000-0x0000000000663000-memory.dmp

Filesize
588KB

Download
memory/1048-30-0x000000000041ED80-mapping.dmp

Download
memory/1048-35-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/1048-33-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1048-32-0x0000000000A60000-0x0000000000D63000-memory.dmp

Filesize
3.0MB

Download
memory/1048-29-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1388-34-0x0000000006D40000-0x0000000006E95000-memory.dmp

Filesize
1.3MB

Download
memory/1388-43-0x00000000065A0000-0x000000000665C000-memory.dmp

Filesize
752KB

Download
memory/1388-36-0x00000000040D0000-0x00000000041C4000-memory.dmp

Filesize
976KB

Download
memory/1532-12-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/1532-10-0x0000000000000000-mapping.dmp

Download
memory/1700-26-0x0000000000000000-mapping.dmp

Download
memory/1792-16-0x0000000000000000-mapping.dmp

Download
memory/1800-21-0x0000000000000000-mapping.dmp

Download
memory/1968-2-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/1968-7-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1968-6-0x0000000001F50000-0x0000000001FA3000-memory.dmp

Filesize
332KB

Download
memory/1968-5-0x0000000000300000-0x0000000000302000-memory.dmp

Filesize
8KB

Download
memory/1968-3-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download