formbook | 2938b38c785f109befe2eb2768082aea672c27e978e52998a4bca8526b1a669f

General

Target

d1.exe
Size

869KB
MD5

7cc23aa86ee79dc1e11a395e85096ec3
SHA1

92e2887bc10089607141e78bc6702166ffa8ee32
SHA256

2938b38c785f109befe2eb2768082aea672c27e978e52998a4bca8526b1a669f
SHA512

0c475e681d8e0561913a2b62a8326f0de06390f3ae680dc498cb8c502fa917b8c04113abb159a0c8ec1358c95dea25eaf2770dbef7a4270081c2a1e6e481f93b

Score

10^/10

formbook xloader loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.rizrvd.com/bw82/

Decoy

fundamentaliemef.com

gallerybrows.com

leadeligey.com

octoberx2.online

climaxnovels.com

gdsjgf.com

curateherstories.com

blacksailus.com

yjpps.com

gmobilet.com

fcoins.club

foreverlive2027.com

healthyfifties.com

wmarquezy.com

housebulb.com

thebabyfriendly.com

primajayaintiperkasa.com

learnplaychess.com

chrisbubser.digital

xn--avenr-wsa.com

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/860-8-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/860-9-0x000000000041CFF0-mapping.dmp	xloader
behavioral1/memory/1604-17-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1648 cmd.exe

pid	process
1648	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

d1.exed1.exeNETSTAT.EXE

description	pid	process	target process
PID 1080 set thread context of 860	1080	d1.exe	d1.exe
PID 860 set thread context of 1236	860	d1.exe	Explorer.EXE
PID 1604 set thread context of 1236	1604	NETSTAT.EXE	Explorer.EXE

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

1604 NETSTAT.EXE

pid	process
1604	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

d1.exeNETSTAT.EXE

pid	process
860	d1.exe
860	d1.exe
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE
1604	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

d1.exeNETSTAT.EXE

pid process

860 d1.exe
860 d1.exe
860 d1.exe
1604 NETSTAT.EXE
1604 NETSTAT.EXE

pid	process
1236	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

d1.exeNETSTAT.EXEExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	860	d1.exe
Token: SeDebugPrivilege	1604	NETSTAT.EXE
Token: SeShutdownPrivilege	1236	Explorer.EXE
Token: SeShutdownPrivilege	1236	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE
1236 Explorer.EXE
1236 Explorer.EXE
1236 Explorer.EXE
Suspicious use of SendNotifyMessage 6 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE
1236 Explorer.EXE
1236 Explorer.EXE
1236 Explorer.EXE
1236 Explorer.EXE
1236 Explorer.EXE

pid	process
1236	Explorer.EXE
1236	Explorer.EXE
1236	Explorer.EXE
1236	Explorer.EXE

pid	process
1236	Explorer.EXE
1236	Explorer.EXE
1236	Explorer.EXE
1236	Explorer.EXE
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

d1.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 1080 wrote to memory of 860	1080	d1.exe	d1.exe
PID 1080 wrote to memory of 860	1080	d1.exe	d1.exe
PID 1080 wrote to memory of 860	1080	d1.exe	d1.exe
PID 1080 wrote to memory of 860	1080	d1.exe	d1.exe
PID 1080 wrote to memory of 860	1080	d1.exe	d1.exe
PID 1080 wrote to memory of 860	1080	d1.exe	d1.exe
PID 1080 wrote to memory of 860	1080	d1.exe	d1.exe
PID 1236 wrote to memory of 1604	1236	Explorer.EXE	NETSTAT.EXE
PID 1236 wrote to memory of 1604	1236	Explorer.EXE	NETSTAT.EXE
PID 1236 wrote to memory of 1604	1236	Explorer.EXE	NETSTAT.EXE
PID 1236 wrote to memory of 1604	1236	Explorer.EXE	NETSTAT.EXE
PID 1604 wrote to memory of 1648	1604	NETSTAT.EXE	cmd.exe
PID 1604 wrote to memory of 1648	1604	NETSTAT.EXE	cmd.exe
PID 1604 wrote to memory of 1648	1604	NETSTAT.EXE	cmd.exe
PID 1604 wrote to memory of 1648	1604	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1236

C:\Users\Admin\AppData\Local\Temp\d1.exe
"C:\Users\Admin\AppData\Local\Temp\d1.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1080

C:\Users\Admin\AppData\Local\Temp\d1.exe
"C:\Users\Admin\AppData\Local\Temp\d1.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:860

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\d1.exe"
3⤵
- Deletes itself
PID:1648

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

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/860-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/860-11-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download
memory/860-12-0x00000000000F0000-0x0000000000100000-memory.dmp

Filesize
64KB

Download
memory/860-9-0x000000000041CFF0-mapping.dmp

Download
memory/1080-7-0x00000000051E0000-0x0000000005248000-memory.dmp

Filesize
416KB

Download
memory/1080-2-0x0000000074710000-0x0000000074DFE000-memory.dmp

Filesize
6.9MB

Download
memory/1080-6-0x0000000004740000-0x0000000004763000-memory.dmp

Filesize
140KB

Download
memory/1080-5-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/1080-3-0x00000000011D0000-0x00000000011D1000-memory.dmp

Filesize
4KB

Download
memory/1236-13-0x0000000004AA0000-0x0000000004BCA000-memory.dmp

Filesize
1.2MB

Download
memory/1236-20-0x0000000006440000-0x000000000657C000-memory.dmp

Filesize
1.2MB

Download
memory/1604-14-0x0000000000000000-mapping.dmp

Download
memory/1604-16-0x00000000001E0000-0x00000000001E9000-memory.dmp

Filesize
36KB

Download
memory/1604-17-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/1604-18-0x0000000002180000-0x0000000002483000-memory.dmp

Filesize
3.0MB

Download
memory/1604-19-0x0000000001FF0000-0x000000000207F000-memory.dmp

Filesize
572KB

Download
memory/1648-15-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads