formbook | bf19534d31541387c22c69963c679114bac4315d83e1dd3dc7b775b7dd377658

General

Target

PO202107.xls
Size

23KB
MD5

c9123fe2a9ea247a974641a32940335b
SHA1

13c5be04c9afceb11892f27767d7bc45c33b4b9c
SHA256

bf19534d31541387c22c69963c679114bac4315d83e1dd3dc7b775b7dd377658
SHA512

a87babeac9c10faa19d638b7f02551eeab7f17b2f482bdf1a797d616b52995b5e326758a32d7a1418baab596ff1dfecf142dcd1ab8ca6cd8386c863f8984ba0c

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.tiktokblueprints.com/ea9e/

Decoy

yoga-fertilite.com

zcltlfsh.icu

aberdareroyalcottages.com

kawaiibobateahouse.com

311gang.com

coastalbreezecreations.com

globosimpresoss.com

ignitioniq.com

5gplaystation.com

marketopiniononline.com

martinstantondesigns.com

ksdhxtkpup4.net

findconscious.com

pure-tab.com

orderanthonysofskippack.com

findingthecurve.com

e-devletim.com

prosystemwebsite.com

travelbroom.com

sharpopinion.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/748-74-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/748-75-0x000000000041ED80-mapping.dmp	formbook
behavioral1/memory/668-86-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

Processes:

PO202107PO202107

pid process

1892 PO202107
748 PO202107
Loads dropped DLL 2 IoCs

Processes:

EXCEL.EXEPO202107

pid process

1948 EXCEL.EXE
1892 PO202107

pid	process
1892	PO202107
748	PO202107

pid	process
1948	EXCEL.EXE
1892	PO202107

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO202107PO202107msdt.exe

description	pid	process	target process
PID 1892 set thread context of 748	1892	PO202107	PO202107
PID 748 set thread context of 1208	748	PO202107	Explorer.EXE
PID 748 set thread context of 1208	748	PO202107	Explorer.EXE
PID 668 set thread context of 1208	668	msdt.exe	Explorer.EXE

Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1948 EXCEL.EXE

pid	process
1948	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

PO202107msdt.exe

pid	process
748	PO202107
748	PO202107
748	PO202107
668	msdt.exe
668	msdt.exe
668	msdt.exe
668	msdt.exe
668	msdt.exe
668	msdt.exe
668	msdt.exe
668	msdt.exe
668	msdt.exe
668	msdt.exe
668	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PO202107msdt.exe

pid process

748 PO202107
748 PO202107
748 PO202107
748 PO202107
668 msdt.exe
668 msdt.exe

pid	process
1208	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

PO202107msdt.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	748	PO202107
Token: SeDebugPrivilege	668	msdt.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1948 EXCEL.EXE
1948 EXCEL.EXE
1948 EXCEL.EXE

pid	process
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EXCEL.EXEPO202107PO202107msdt.exe

description	pid	process	target process
PID 1948 wrote to memory of 1892	1948	EXCEL.EXE	PO202107
PID 1948 wrote to memory of 1892	1948	EXCEL.EXE	PO202107
PID 1948 wrote to memory of 1892	1948	EXCEL.EXE	PO202107
PID 1948 wrote to memory of 1892	1948	EXCEL.EXE	PO202107
PID 1892 wrote to memory of 748	1892	PO202107	PO202107
PID 1892 wrote to memory of 748	1892	PO202107	PO202107
PID 1892 wrote to memory of 748	1892	PO202107	PO202107
PID 1892 wrote to memory of 748	1892	PO202107	PO202107
PID 1892 wrote to memory of 748	1892	PO202107	PO202107
PID 1892 wrote to memory of 748	1892	PO202107	PO202107
PID 1892 wrote to memory of 748	1892	PO202107	PO202107
PID 748 wrote to memory of 668	748	PO202107	msdt.exe
PID 748 wrote to memory of 668	748	PO202107	msdt.exe
PID 748 wrote to memory of 668	748	PO202107	msdt.exe
PID 748 wrote to memory of 668	748	PO202107	msdt.exe
PID 668 wrote to memory of 1820	668	msdt.exe	cmd.exe
PID 668 wrote to memory of 1820	668	msdt.exe	cmd.exe
PID 668 wrote to memory of 1820	668	msdt.exe	cmd.exe
PID 668 wrote to memory of 1820	668	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1208

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\PO202107.xls
2⤵
- Loads dropped DLL
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948

C:\Users\Admin\AppData\Local\Temp\PO202107
C:\Users\Admin\AppData\Local\Temp/PO202107
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1892

C:\Users\Admin\AppData\Local\Temp\PO202107
"C:\Users\Admin\AppData\Local\Temp\PO202107"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
5⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:668

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO202107"
6⤵
PID:1820

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1172

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\PO202107
MD5
081f5f42ff8f75d52ca942383d097028

SHA1
8382c3a28ab790b7090f25cb5b7259638b57cb5c

SHA256
e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917

SHA512
9dff362902911c57bf1430c14765d866aa7d1803f9fc0ee0e7f37751c14dacc6c8cbcab3044e48bff77fd59090dde996559e303bbf51418d54205cfb75b50f2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\PO202107
MD5
081f5f42ff8f75d52ca942383d097028

SHA1
8382c3a28ab790b7090f25cb5b7259638b57cb5c

SHA256
e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917

SHA512
9dff362902911c57bf1430c14765d866aa7d1803f9fc0ee0e7f37751c14dacc6c8cbcab3044e48bff77fd59090dde996559e303bbf51418d54205cfb75b50f2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\PO202107
MD5
081f5f42ff8f75d52ca942383d097028

SHA1
8382c3a28ab790b7090f25cb5b7259638b57cb5c

SHA256
e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917

SHA512
9dff362902911c57bf1430c14765d866aa7d1803f9fc0ee0e7f37751c14dacc6c8cbcab3044e48bff77fd59090dde996559e303bbf51418d54205cfb75b50f2f

Download Submit
\Users\Admin\AppData\Local\Temp\PO202107
MD5
081f5f42ff8f75d52ca942383d097028

SHA1
8382c3a28ab790b7090f25cb5b7259638b57cb5c

SHA256
e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917

SHA512
9dff362902911c57bf1430c14765d866aa7d1803f9fc0ee0e7f37751c14dacc6c8cbcab3044e48bff77fd59090dde996559e303bbf51418d54205cfb75b50f2f

Download Submit
\Users\Admin\AppData\Local\Temp\PO202107
MD5
081f5f42ff8f75d52ca942383d097028

SHA1
8382c3a28ab790b7090f25cb5b7259638b57cb5c

SHA256
e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917

SHA512
9dff362902911c57bf1430c14765d866aa7d1803f9fc0ee0e7f37751c14dacc6c8cbcab3044e48bff77fd59090dde996559e303bbf51418d54205cfb75b50f2f

Download Submit
memory/668-89-0x0000000002060000-0x00000000020F3000-memory.dmp

Filesize
588KB

Download
memory/668-85-0x0000000000AC0000-0x0000000000BB4000-memory.dmp

Filesize
976KB

Download
memory/668-87-0x0000000002320000-0x0000000002623000-memory.dmp

Filesize
3.0MB

Download
memory/668-86-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/668-83-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

Download
memory/668-82-0x0000000000000000-mapping.dmp

Download
memory/748-75-0x000000000041ED80-mapping.dmp

Download
memory/748-77-0x0000000000A90000-0x0000000000D93000-memory.dmp

Filesize
3.0MB

Download
memory/748-74-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/748-80-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/748-78-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/1208-81-0x0000000006150000-0x0000000006251000-memory.dmp

Filesize
1.0MB

Download
memory/1208-79-0x00000000044A0000-0x000000000457F000-memory.dmp

Filesize
892KB

Download
memory/1208-90-0x0000000003B20000-0x0000000003BED000-memory.dmp

Filesize
820KB

Download
memory/1820-84-0x0000000000000000-mapping.dmp

Download
memory/1892-72-0x0000000000540000-0x0000000000570000-memory.dmp

Filesize
192KB

Download
memory/1892-70-0x00000000004A0000-0x00000000004B1000-memory.dmp

Filesize
68KB

Download
memory/1892-69-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/1892-71-0x0000000005150000-0x00000000051C5000-memory.dmp

Filesize
468KB

Download
memory/1892-67-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/1892-64-0x0000000000000000-mapping.dmp

Download
memory/1948-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1948-88-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1948-61-0x0000000070FB1000-0x0000000070FB3000-memory.dmp

Filesize
8KB

Download
memory/1948-60-0x000000002FB51000-0x000000002FB54000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads