formbook | b4751ea85e4bdc57c69f0dfd09e9622e31eb23bac589d7ee409eceaca56ea280

General

Target

SO.xlsm.com.exe
Size

1000KB
MD5

1897e7a63a0424946e9274d83b405de2
SHA1

e15588e0c4ab4e12206e370b0b122b2b42ecf837
SHA256

b4751ea85e4bdc57c69f0dfd09e9622e31eb23bac589d7ee409eceaca56ea280
SHA512

66f07acbc89ff62dbdbed06efaaa7721f6bd46d9b94a86ba9f2bca3f5552977b8bd9ad375764036a8f6eaa6f74029dabd30e6602ab6f11a719eebec97338560e

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.hollandhousedesigns.design/vns/

Decoy

sparkspressworld.com

everydayresidency.com

thebosscollectionn.com

milkweedmagic.com

worklesshours.com

romeosfurnituremadera.com

unclepetesproduce.com

athleticamackay.com

9nhl.com

powellassetmanagement.com

jxlamp.com

onpointpetproducts.com

buymysoft.com

nazertrader.com

goprj.com

keeptalkservice.com

aolei1688.com

donstackl.com

almasorchids.com

pj5bwn.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 7 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1388-71-0x000000000041EBB0-mapping.dmp	formbook
behavioral1/memory/1388-70-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1796-72-0x0000000000400000-0x0000000000AA259C-memory.dmp	formbook
behavioral1/memory/1796-73-0x000000000041EBB0-mapping.dmp	formbook
behavioral1/memory/1796-75-0x0000000000400000-0x0000000000AA3000-memory.dmp	formbook
behavioral1/memory/320-84-0x00000000000C0000-0x00000000000EE000-memory.dmp	formbook
behavioral1/memory/1616-93-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

Processes:

ummvhsex.pif

pid process

2000 ummvhsex.pif
Loads dropped DLL 4 IoCs

Processes:

SO.xlsm.com.exe

pid process

784 SO.xlsm.com.exe
784 SO.xlsm.com.exe
784 SO.xlsm.com.exe
784 SO.xlsm.com.exe

pid	process
2000	ummvhsex.pif

pid	process
784	SO.xlsm.com.exe
784	SO.xlsm.com.exe
784	SO.xlsm.com.exe
784	SO.xlsm.com.exe

Suspicious use of SetThreadContext 6 IoCs

Processes:

ummvhsex.pifRegSvcs.exeRegSvcs.exewininit.exe

description	pid	process	target process
PID 2000 set thread context of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 set thread context of 1796	2000	ummvhsex.pif	RegSvcs.exe
PID 1388 set thread context of 1268	1388	RegSvcs.exe	Explorer.EXE
PID 1796 set thread context of 1268	1796	RegSvcs.exe	Explorer.EXE
PID 1796 set thread context of 1268	1796	RegSvcs.exe	Explorer.EXE
PID 320 set thread context of 1268	320	wininit.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
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

1616 NETSTAT.EXE

pid	process
1616	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

RegSvcs.exeRegSvcs.exewininit.exeNETSTAT.EXE

pid	process
1388	RegSvcs.exe
1388	RegSvcs.exe
1796	RegSvcs.exe
1796	RegSvcs.exe
320	wininit.exe
320	wininit.exe
1796	RegSvcs.exe
1616	NETSTAT.EXE
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe
320	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
Suspicious behavior: MapViewOfSection 9 IoCs

Processes:

RegSvcs.exeRegSvcs.exewininit.exe

pid process

1388 RegSvcs.exe
1796 RegSvcs.exe
1388 RegSvcs.exe
1388 RegSvcs.exe
320 wininit.exe
1796 RegSvcs.exe
320 wininit.exe
1796 RegSvcs.exe
1796 RegSvcs.exe

pid	process
1268	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

RegSvcs.exeRegSvcs.exewininit.exeNETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	1388	RegSvcs.exe
Token: SeDebugPrivilege	1796	RegSvcs.exe
Token: SeDebugPrivilege	320	wininit.exe
Token: SeDebugPrivilege	1616	NETSTAT.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
1268 Explorer.EXE
1268 Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

SO.xlsm.com.exeummvhsex.pifExplorer.EXEwininit.exeRegSvcs.exe

description	pid	process	target process
PID 784 wrote to memory of 2000	784	SO.xlsm.com.exe	ummvhsex.pif
PID 784 wrote to memory of 2000	784	SO.xlsm.com.exe	ummvhsex.pif
PID 784 wrote to memory of 2000	784	SO.xlsm.com.exe	ummvhsex.pif
PID 784 wrote to memory of 2000	784	SO.xlsm.com.exe	ummvhsex.pif
PID 2000 wrote to memory of 1796	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1796	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1796	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1796	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1796	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1796	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1796	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1388	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1796	2000	ummvhsex.pif	RegSvcs.exe
PID 2000 wrote to memory of 1796	2000	ummvhsex.pif	RegSvcs.exe
PID 1268 wrote to memory of 320	1268	Explorer.EXE	wininit.exe
PID 1268 wrote to memory of 320	1268	Explorer.EXE	wininit.exe
PID 1268 wrote to memory of 320	1268	Explorer.EXE	wininit.exe
PID 1268 wrote to memory of 320	1268	Explorer.EXE	wininit.exe
PID 320 wrote to memory of 1732	320	wininit.exe	cmd.exe
PID 320 wrote to memory of 1732	320	wininit.exe	cmd.exe
PID 320 wrote to memory of 1732	320	wininit.exe	cmd.exe
PID 320 wrote to memory of 1732	320	wininit.exe	cmd.exe
PID 1796 wrote to memory of 1616	1796	RegSvcs.exe	NETSTAT.EXE
PID 1796 wrote to memory of 1616	1796	RegSvcs.exe	NETSTAT.EXE
PID 1796 wrote to memory of 1616	1796	RegSvcs.exe	NETSTAT.EXE
PID 1796 wrote to memory of 1616	1796	RegSvcs.exe	NETSTAT.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Local\Temp\SO.xlsm.com.exe
"C:\Users\Admin\AppData\Local\Temp\SO.xlsm.com.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:784

C:\Users\Admin\57992106\ummvhsex.pif
"C:\Users\Admin\57992106\ummvhsex.pif" smlhxxnpxo.scp
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
5⤵
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1616

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1388

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:320

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\57992106\cnrxxvsq.xml
MD5
8ba6d1bcca58443c729743475e797e1b

SHA1
a270f64248909dc7fef1637d29297f3b3512cbeb

SHA256
c1771a56fdd00339066ffad9a8d0ed247dcaaafa0076f30e5477ce769c802048

SHA512
4f5506ea2c0a0349edbdfaa3a19fa7f300fdc6cde15f53e1c17d1cb6e998294e07809336382004d5e3f805cbef49c2df8aa2d74bea7c68aafee60310e009f40a

Download Submit
C:\Users\Admin\57992106\smlhxxnpxo.scp
MD5
66c7ff0768ddb64f4504146a56ed004b

SHA1
88507bd159e02bddfb5153cff306a49407c8d650

SHA256
bf8823d58e7a374fec3f69a38ec91e93c0598e0bf27c9aa4c2a21aaca05a77e9

SHA512
9d4bb287ca55d2cc486bb5c51a438443828f5891497b196a2da0f9ca349742680c3a6022b742c137adb9fbc8892b46afa97407593b1d2f492a27e6525b9387fb

Download Submit
C:\Users\Admin\57992106\ummvhsex.pif
MD5
6b57334b6cde8f40e11ad21b9e878adf

SHA1
4a6e4ad50297b3d941a392fac503a6731fab6eac

SHA256
0ce3edfd31e07ed4e16495a92e107ca5b60e2e6ae938de2a57a565d2d7d256db

SHA512
8d0fb7a156d07b416b4d102eabb0ba06cac3696ca3205f0d69a21077c6011adf192cc30530c3716ad0fba92cfeb50d9dbf96f6a65c4955fde093a37d167e05ff

Download Submit
\Users\Admin\57992106\ummvhsex.pif
MD5
6b57334b6cde8f40e11ad21b9e878adf

SHA1
4a6e4ad50297b3d941a392fac503a6731fab6eac

SHA256
0ce3edfd31e07ed4e16495a92e107ca5b60e2e6ae938de2a57a565d2d7d256db

SHA512
8d0fb7a156d07b416b4d102eabb0ba06cac3696ca3205f0d69a21077c6011adf192cc30530c3716ad0fba92cfeb50d9dbf96f6a65c4955fde093a37d167e05ff

Download Submit
\Users\Admin\57992106\ummvhsex.pif
MD5
6b57334b6cde8f40e11ad21b9e878adf

SHA1
4a6e4ad50297b3d941a392fac503a6731fab6eac

SHA256
0ce3edfd31e07ed4e16495a92e107ca5b60e2e6ae938de2a57a565d2d7d256db

SHA512
8d0fb7a156d07b416b4d102eabb0ba06cac3696ca3205f0d69a21077c6011adf192cc30530c3716ad0fba92cfeb50d9dbf96f6a65c4955fde093a37d167e05ff

Download Submit
\Users\Admin\57992106\ummvhsex.pif
MD5
6b57334b6cde8f40e11ad21b9e878adf

SHA1
4a6e4ad50297b3d941a392fac503a6731fab6eac

SHA256
0ce3edfd31e07ed4e16495a92e107ca5b60e2e6ae938de2a57a565d2d7d256db

SHA512
8d0fb7a156d07b416b4d102eabb0ba06cac3696ca3205f0d69a21077c6011adf192cc30530c3716ad0fba92cfeb50d9dbf96f6a65c4955fde093a37d167e05ff

Download Submit
\Users\Admin\57992106\ummvhsex.pif
MD5
6b57334b6cde8f40e11ad21b9e878adf

SHA1
4a6e4ad50297b3d941a392fac503a6731fab6eac

SHA256
0ce3edfd31e07ed4e16495a92e107ca5b60e2e6ae938de2a57a565d2d7d256db

SHA512
8d0fb7a156d07b416b4d102eabb0ba06cac3696ca3205f0d69a21077c6011adf192cc30530c3716ad0fba92cfeb50d9dbf96f6a65c4955fde093a37d167e05ff

Download Submit
memory/320-86-0x0000000001E90000-0x0000000002193000-memory.dmp

Filesize
3.0MB

Download
memory/320-82-0x0000000000000000-mapping.dmp

Download
memory/320-89-0x0000000001DA0000-0x0000000001E33000-memory.dmp

Filesize
588KB

Download
memory/320-84-0x00000000000C0000-0x00000000000EE000-memory.dmp

Filesize
184KB

Download
memory/320-83-0x00000000008E0000-0x00000000008FA000-memory.dmp

Filesize
104KB

Download
memory/784-60-0x0000000075AA1000-0x0000000075AA3000-memory.dmp

Filesize
8KB

Download
memory/1268-88-0x0000000006350000-0x0000000006459000-memory.dmp

Filesize
1.0MB

Download
memory/1268-77-0x0000000006C20000-0x0000000006D6D000-memory.dmp

Filesize
1.3MB

Download
memory/1268-80-0x00000000060D0000-0x0000000006274000-memory.dmp

Filesize
1.6MB

Download
memory/1268-91-0x0000000006900000-0x0000000006A06000-memory.dmp

Filesize
1.0MB

Download
memory/1388-71-0x000000000041EBB0-mapping.dmp

Download
memory/1388-78-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/1388-79-0x00000000001A0000-0x00000000001B4000-memory.dmp

Filesize
80KB

Download
memory/1388-70-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1616-94-0x0000000002250000-0x0000000002553000-memory.dmp

Filesize
3.0MB

Download
memory/1616-93-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1616-92-0x00000000000B0000-0x00000000000B9000-memory.dmp

Filesize
36KB

Download
memory/1616-90-0x0000000000000000-mapping.dmp

Download
memory/1732-85-0x0000000000000000-mapping.dmp

Download
memory/1796-87-0x0000000001070000-0x0000000001084000-memory.dmp

Filesize
80KB

Download
memory/1796-72-0x0000000000400000-0x0000000000AA259C-memory.dmp

Filesize
6.6MB

Download
memory/1796-75-0x0000000000400000-0x0000000000AA3000-memory.dmp

Filesize
6.6MB

Download
memory/1796-73-0x000000000041EBB0-mapping.dmp

Download
memory/1796-76-0x0000000000160000-0x0000000000174000-memory.dmp

Filesize
80KB

Download
memory/1796-81-0x00000000010A0000-0x00000000013A3000-memory.dmp

Filesize
3.0MB

Download
memory/2000-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads