formbook | 7d7f61dcd91716fad45ca306c59abcae50f15efe605825c0b9f8e6610c6d2fca

General

Target

New order 07,06,2022.exe
Size

626KB
MD5

1287d9ae257300407cf7490872764eab
SHA1

b71bc21b67a5b1031ed873b02e54726394c90060
SHA256

f6db3a2b3160b40742b164c6bbe0496368f4fc52d1a16757a49d023f5189b428
SHA512

4ebd21f597a8c5025216aa44df4d44afeaadb16729cf049b95a329ebd0d47def09c5fbd9f518dd0560101ffe5c30405f6ecf13e9502841bfcf8c52332ee8d13e

Score

10^/10

formbook xloader loader persistence rat spyware stealer suricata trojan

Malware Config

Signatures

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

Xloader Payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/108-63-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/108-64-0x000000000041FFD0-mapping.dmp	xloader
behavioral1/memory/108-66-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/2004-72-0x0000000000090000-0x00000000000BC000-memory.dmp	xloader
behavioral1/memory/2004-77-0x0000000000090000-0x00000000000BC000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wuapp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\JHL0HZEHUBJ = "C:\\Program Files (x86)\\Xpbfpjl\\mfczv1llp.exe"	wuapp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wuapp.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

New order 07,06,2022.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation	New order 07,06,2022.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1956 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

wuapp.exe

pid process

2004 wuapp.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1956	cmd.exe

pid	process
2004	wuapp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

New order 07,06,2022.exeNew order 07,06,2022.exewuapp.exe

description	pid	process	target process
PID 1856 set thread context of 108	1856	New order 07,06,2022.exe	New order 07,06,2022.exe
PID 108 set thread context of 1248	108	New order 07,06,2022.exe	Explorer.EXE
PID 2004 set thread context of 1248	2004	wuapp.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wuapp.exe

description ioc process

File opened for modification C:\Program Files (x86)\Xpbfpjl\mfczv1llp.exe wuapp.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Xpbfpjl\mfczv1llp.exe	wuapp.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wuapp.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-790309383-526510583-3802439154-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wuapp.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

New order 07,06,2022.exewuapp.exe

pid	process
108	New order 07,06,2022.exe
108	New order 07,06,2022.exe
2004	wuapp.exe
2004	wuapp.exe
2004	wuapp.exe
2004	wuapp.exe
2004	wuapp.exe
2004	wuapp.exe
2004	wuapp.exe
2004	wuapp.exe
2004	wuapp.exe
2004	wuapp.exe
2004	wuapp.exe
2004	wuapp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

New order 07,06,2022.exewuapp.exe

pid process

108 New order 07,06,2022.exe
108 New order 07,06,2022.exe
108 New order 07,06,2022.exe
2004 wuapp.exe
2004 wuapp.exe
2004 wuapp.exe
2004 wuapp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New order 07,06,2022.exewuapp.exe

description pid process

Token: SeDebugPrivilege 108 New order 07,06,2022.exe
Token: SeDebugPrivilege 2004 wuapp.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	108	New order 07,06,2022.exe
Token: SeDebugPrivilege	2004	wuapp.exe

pid	process
1248	Explorer.EXE
1248	Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

New order 07,06,2022.exeExplorer.EXEwuapp.exe

description	pid	process	target process
PID 1856 wrote to memory of 108	1856	New order 07,06,2022.exe	New order 07,06,2022.exe
PID 1856 wrote to memory of 108	1856	New order 07,06,2022.exe	New order 07,06,2022.exe
PID 1856 wrote to memory of 108	1856	New order 07,06,2022.exe	New order 07,06,2022.exe
PID 1856 wrote to memory of 108	1856	New order 07,06,2022.exe	New order 07,06,2022.exe
PID 1856 wrote to memory of 108	1856	New order 07,06,2022.exe	New order 07,06,2022.exe
PID 1856 wrote to memory of 108	1856	New order 07,06,2022.exe	New order 07,06,2022.exe
PID 1856 wrote to memory of 108	1856	New order 07,06,2022.exe	New order 07,06,2022.exe
PID 1248 wrote to memory of 2004	1248	Explorer.EXE	wuapp.exe
PID 1248 wrote to memory of 2004	1248	Explorer.EXE	wuapp.exe
PID 1248 wrote to memory of 2004	1248	Explorer.EXE	wuapp.exe
PID 1248 wrote to memory of 2004	1248	Explorer.EXE	wuapp.exe
PID 1248 wrote to memory of 2004	1248	Explorer.EXE	wuapp.exe
PID 1248 wrote to memory of 2004	1248	Explorer.EXE	wuapp.exe
PID 1248 wrote to memory of 2004	1248	Explorer.EXE	wuapp.exe
PID 2004 wrote to memory of 1956	2004	wuapp.exe	cmd.exe
PID 2004 wrote to memory of 1956	2004	wuapp.exe	cmd.exe
PID 2004 wrote to memory of 1956	2004	wuapp.exe	cmd.exe
PID 2004 wrote to memory of 1956	2004	wuapp.exe	cmd.exe
PID 2004 wrote to memory of 1240	2004	wuapp.exe	Firefox.exe
PID 2004 wrote to memory of 1240	2004	wuapp.exe	Firefox.exe
PID 2004 wrote to memory of 1240	2004	wuapp.exe	Firefox.exe
PID 2004 wrote to memory of 1240	2004	wuapp.exe	Firefox.exe
PID 2004 wrote to memory of 1240	2004	wuapp.exe	Firefox.exe
PID 2004 wrote to memory of 1420	2004	wuapp.exe	cmd.exe
PID 2004 wrote to memory of 1420	2004	wuapp.exe	cmd.exe
PID 2004 wrote to memory of 1420	2004	wuapp.exe	cmd.exe
PID 2004 wrote to memory of 1420	2004	wuapp.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:1248

C:\Users\Admin\AppData\Local\Temp\New order 07,06,2022.exe
"C:\Users\Admin\AppData\Local\Temp\New order 07,06,2022.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1856

C:\Users\Admin\AppData\Local\Temp\New order 07,06,2022.exe
"C:\Users\Admin\AppData\Local\Temp\New order 07,06,2022.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:108

C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
2⤵
- Adds policy Run key to start application
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\New order 07,06,2022.exe"
3⤵
- Deletes itself
PID:1956

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1240

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:1420

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
650KB

MD5
5c73e64374d9ba37ac5569d1f7de5c9b

SHA1
592e26ffea429b30e0a648720b43739d2ff5e590

SHA256
5d0a5018218dbc363909a7eb915a763863cfbcad6d1a6231eb20633d098d57c7

SHA512
c0cfaf1bd497a799b3480a268bc4d2548d139f3f4b9f1ed41b09cd4c934d285b0ca36c1c3f45f8718feb50274bce1897939d0dfe612e26010c8bbaf004fe8905

Download Submit
memory/108-68-0x0000000000170000-0x0000000000181000-memory.dmp

Filesize
68KB

Download
memory/108-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/108-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/108-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/108-64-0x000000000041FFD0-mapping.dmp

Download
memory/108-66-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/108-67-0x0000000000BE0000-0x0000000000EE3000-memory.dmp

Filesize
3.0MB

Download
memory/1248-76-0x0000000006C70000-0x0000000006DD1000-memory.dmp

Filesize
1.4MB

Download
memory/1248-69-0x0000000005D30000-0x0000000005E48000-memory.dmp

Filesize
1.1MB

Download
memory/1248-79-0x0000000006C70000-0x0000000006DD1000-memory.dmp

Filesize
1.4MB

Download
memory/1420-81-0x0000000000000000-mapping.dmp

Download
memory/1856-56-0x00000000004B0000-0x00000000004D0000-memory.dmp

Filesize
128KB

Download
memory/1856-57-0x0000000000290000-0x000000000029E000-memory.dmp

Filesize
56KB

Download
memory/1856-55-0x0000000075CE1000-0x0000000075CE3000-memory.dmp

Filesize
8KB

Download
memory/1856-59-0x0000000000920000-0x0000000000952000-memory.dmp

Filesize
200KB

Download
memory/1856-58-0x0000000004F20000-0x0000000004F9A000-memory.dmp

Filesize
488KB

Download
memory/1856-54-0x00000000009A0000-0x0000000000A44000-memory.dmp

Filesize
656KB

Download
memory/1956-73-0x0000000000000000-mapping.dmp

Download
memory/2004-72-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/2004-71-0x0000000000B10000-0x0000000000B1B000-memory.dmp

Filesize
44KB

Download
memory/2004-70-0x0000000000000000-mapping.dmp

Download
memory/2004-74-0x00000000020B0000-0x00000000023B3000-memory.dmp

Filesize
3.0MB

Download
memory/2004-75-0x0000000000960000-0x00000000009F0000-memory.dmp

Filesize
576KB

Download
memory/2004-77-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads