formbook | 31f4d8bb8797649e9de2f8adc7b7e679775784d33d686d7c76429c4fe97a7c07

General

Target

dira1.exe
Size

704KB
MD5

acafc669f75117421e1a93c8adaac072
SHA1

15903dcfe3f5a37f1e1cbca0b45ab60a4ba08591
SHA256

31f4d8bb8797649e9de2f8adc7b7e679775784d33d686d7c76429c4fe97a7c07
SHA512

7387beb3154f9fa5dbefe5906e06e547e509786ab7fd9fc43663489cd28271341458b46a1f9a9986d414b313669f0c2feefca4e2989fa6df3fe5ccd6af5a9866

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/1348-8-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1348-9-0x000000000041CFF0-mapping.dmp	xloader
behavioral1/memory/1140-18-0x00000000000C0000-0x00000000000E8000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

316 cmd.exe

pid	process
316	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

dira1.exedira1.exemsdt.exe

description	pid	process	target process
PID 1188 set thread context of 1348	1188	dira1.exe	dira1.exe
PID 1348 set thread context of 1256	1348	dira1.exe	Explorer.EXE
PID 1140 set thread context of 1256	1140	msdt.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

dira1.exemsdt.exe

pid	process
1348	dira1.exe
1348	dira1.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe
1140	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

dira1.exemsdt.exe

pid process

1348 dira1.exe
1348 dira1.exe
1348 dira1.exe
1140 msdt.exe
1140 msdt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

dira1.exemsdt.exe

description pid process

Token: SeDebugPrivilege 1348 dira1.exe
Token: SeDebugPrivilege 1140 msdt.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1348	dira1.exe
Token: SeDebugPrivilege	1140	msdt.exe

pid	process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

dira1.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 1188 wrote to memory of 1348	1188	dira1.exe	dira1.exe
PID 1188 wrote to memory of 1348	1188	dira1.exe	dira1.exe
PID 1188 wrote to memory of 1348	1188	dira1.exe	dira1.exe
PID 1188 wrote to memory of 1348	1188	dira1.exe	dira1.exe
PID 1188 wrote to memory of 1348	1188	dira1.exe	dira1.exe
PID 1188 wrote to memory of 1348	1188	dira1.exe	dira1.exe
PID 1188 wrote to memory of 1348	1188	dira1.exe	dira1.exe
PID 1256 wrote to memory of 1140	1256	Explorer.EXE	msdt.exe
PID 1256 wrote to memory of 1140	1256	Explorer.EXE	msdt.exe
PID 1256 wrote to memory of 1140	1256	Explorer.EXE	msdt.exe
PID 1256 wrote to memory of 1140	1256	Explorer.EXE	msdt.exe
PID 1140 wrote to memory of 316	1140	msdt.exe	cmd.exe
PID 1140 wrote to memory of 316	1140	msdt.exe	cmd.exe
PID 1140 wrote to memory of 316	1140	msdt.exe	cmd.exe
PID 1140 wrote to memory of 316	1140	msdt.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:1256

C:\Users\Admin\AppData\Local\Temp\dira1.exe
"C:\Users\Admin\AppData\Local\Temp\dira1.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1188

C:\Users\Admin\AppData\Local\Temp\dira1.exe
"C:\Users\Admin\AppData\Local\Temp\dira1.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1348

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1140

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\dira1.exe"
3⤵
- Deletes itself
PID:316

MITRE ATT&CK Matrix

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Downloads

memory/316-19-0x0000000000000000-mapping.dmp

Download
memory/1140-14-0x0000000000000000-mapping.dmp

Download
memory/1140-20-0x0000000000B40000-0x0000000000BCF000-memory.dmp

Filesize
572KB

Download
memory/1140-18-0x00000000000C0000-0x00000000000E8000-memory.dmp

Filesize
160KB

Download
memory/1140-17-0x00000000023D0000-0x00000000026D3000-memory.dmp

Filesize
3.0MB

Download
memory/1140-16-0x0000000000ED0000-0x0000000000FC4000-memory.dmp

Filesize
976KB

Download
memory/1140-15-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1188-7-0x0000000005060000-0x00000000050C1000-memory.dmp

Filesize
388KB

Download
memory/1188-2-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1188-6-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/1188-5-0x0000000000470000-0x0000000000493000-memory.dmp

Filesize
140KB

Download
memory/1188-3-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1256-13-0x00000000040C0000-0x00000000041A9000-memory.dmp

Filesize
932KB

Download
memory/1348-11-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

Filesize
3.0MB

Download
memory/1348-12-0x0000000000160000-0x0000000000170000-memory.dmp

Filesize
64KB

Download
memory/1348-9-0x000000000041CFF0-mapping.dmp

Download
memory/1348-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads