formbook | 8fe13da45a5732ae42c27687b9cf9105a3f2028857729bdfbe3ae31514a6b298

General

Target

winlog.exe
Size

931KB
MD5

b75247013200d602f98dc3801d2bde2f
SHA1

3327c5cd3ecd636b72c335166fe709b955a32285
SHA256

8fe13da45a5732ae42c27687b9cf9105a3f2028857729bdfbe3ae31514a6b298
SHA512

aa0b977c81b0e97433e61e21cc1e13cbc8821b5ff4d0b3e7554519051139dc661b4c9c0d8e99a6ff4148968d9f04653c85b411944f42fec29bdd4c70228229f9

Score

10^/10

formbook xloader loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.learnhour.net/eaud/

Decoy

modshiro.com

mademarketingoss.com

austinjourls.info

wayupteam.com

crossingfinger.com

interseptors.com

gigashit.com

livetigo.com

halamankuningindonesia.com

windhammills.com

aylinahmet.com

mbacexonan.website

shopboxbarcelona.com

youyeslive.com

coonlinesportsbooks.com

guorunme.com

putlocker2.site

pencueaidnetwork.com

likevector.com

vulcanudachi-proclub.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
behavioral2/memory/1528-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/1528-13-0x000000000041D030-mapping.dmp	xloader
behavioral2/memory/3404-22-0x0000000000AE0000-0x0000000000B08000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

winlog.exewinlog.exehelp.exe

description	pid	process	target process
PID 1048 set thread context of 1528	1048	winlog.exe	winlog.exe
PID 1528 set thread context of 3012	1528	winlog.exe	Explorer.EXE
PID 3404 set thread context of 3012	3404	help.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

winlog.exehelp.exe

pid	process
1528	winlog.exe
1528	winlog.exe
1528	winlog.exe
1528	winlog.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe
3404	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

winlog.exehelp.exe

pid process

1528 winlog.exe
1528 winlog.exe
1528 winlog.exe
3404 help.exe
3404 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

winlog.exehelp.exe

description pid process

Token: SeDebugPrivilege 1528 winlog.exe
Token: SeDebugPrivilege 3404 help.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3012 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1528	winlog.exe
Token: SeDebugPrivilege	3404	help.exe

pid	process
3012	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

winlog.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 1048 wrote to memory of 1528	1048	winlog.exe	winlog.exe
PID 1048 wrote to memory of 1528	1048	winlog.exe	winlog.exe
PID 1048 wrote to memory of 1528	1048	winlog.exe	winlog.exe
PID 1048 wrote to memory of 1528	1048	winlog.exe	winlog.exe
PID 1048 wrote to memory of 1528	1048	winlog.exe	winlog.exe
PID 1048 wrote to memory of 1528	1048	winlog.exe	winlog.exe
PID 3012 wrote to memory of 3404	3012	Explorer.EXE	help.exe
PID 3012 wrote to memory of 3404	3012	Explorer.EXE	help.exe
PID 3012 wrote to memory of 3404	3012	Explorer.EXE	help.exe
PID 3404 wrote to memory of 1344	3404	help.exe	cmd.exe
PID 3404 wrote to memory of 1344	3404	help.exe	cmd.exe
PID 3404 wrote to memory of 1344	3404	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3012

C:\Users\Admin\AppData\Local\Temp\winlog.exe
"C:\Users\Admin\AppData\Local\Temp\winlog.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048

C:\Users\Admin\AppData\Local\Temp\winlog.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1528

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3404

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\winlog.exe"
3⤵
PID:1344

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1048-2-0x0000000073A30000-0x000000007411E000-memory.dmp

Filesize
6.9MB

Download
memory/1048-3-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/1048-5-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download
memory/1048-6-0x0000000005160000-0x0000000005161000-memory.dmp

Filesize
4KB

Download
memory/1048-7-0x00000000050F0000-0x00000000050F1000-memory.dmp

Filesize
4KB

Download
memory/1048-8-0x00000000053A0000-0x00000000053A1000-memory.dmp

Filesize
4KB

Download
memory/1048-9-0x0000000005300000-0x000000000530E000-memory.dmp

Filesize
56KB

Download
memory/1048-10-0x0000000007450000-0x0000000007498000-memory.dmp

Filesize
288KB

Download
memory/1048-11-0x0000000007540000-0x0000000007541000-memory.dmp

Filesize
4KB

Download
memory/1344-20-0x0000000000000000-mapping.dmp

Download
memory/1528-13-0x000000000041D030-mapping.dmp

Download
memory/1528-15-0x0000000001530000-0x0000000001850000-memory.dmp

Filesize
3.1MB

Download
memory/1528-17-0x00000000010D0000-0x00000000010E0000-memory.dmp

Filesize
64KB

Download
memory/1528-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3012-18-0x00000000052B0000-0x00000000053FE000-memory.dmp

Filesize
1.3MB

Download
memory/3012-25-0x0000000002C70000-0x0000000002D66000-memory.dmp

Filesize
984KB

Download
memory/3404-19-0x0000000000000000-mapping.dmp

Download
memory/3404-22-0x0000000000AE0000-0x0000000000B08000-memory.dmp

Filesize
160KB

Download
memory/3404-21-0x0000000000BB0000-0x0000000000BB7000-memory.dmp

Filesize
28KB

Download
memory/3404-23-0x0000000003190000-0x00000000034B0000-memory.dmp

Filesize
3.1MB

Download
memory/3404-24-0x00000000034B0000-0x000000000353F000-memory.dmp

Filesize
572KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads