formbook | 4d80ab79360b092bb5d8fa41d14388dffe5ef42839b6dbbf741f0ce5c3424d1e

General

Target

Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe
Size

814KB
MD5

717297fec68e9172593a36a67549619f
SHA1

73e8625983cb413b91b608db347177584c680a22
SHA256

4d80ab79360b092bb5d8fa41d14388dffe5ef42839b6dbbf741f0ce5c3424d1e
SHA512

3f363a8b8971d843f7c158b3dc76de854895a76fe0e4a6dbb6b40b650d0cec760bea15179128e52fed044e2cee6964f2b70db5abf253e873feb327d6b99ba7df

Score

10^/10

formbook 3nop rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

C2

http://www.jakesplacebarbers.com/3nop/

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3908-119-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/3908-121-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral2/memory/3908-123-0x00000000031C0000-0x0000000003227000-memory.dmp	formbook
behavioral2/memory/3036-127-0x0000000000B90000-0x0000000000BBE000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exeraserver.exe

description	pid	process	target process
PID 3908 set thread context of 3048	3908	logagent.exe	Explorer.EXE
PID 3036 set thread context of 3048	3036	raserver.exe	Explorer.EXE

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

logagent.exeraserver.exe

pid	process
3908	logagent.exe
3908	logagent.exe
3908	logagent.exe
3908	logagent.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe
3036	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

logagent.exeraserver.exe

pid process

3908 logagent.exe
3908 logagent.exe
3908 logagent.exe
3036 raserver.exe
3036 raserver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

logagent.exeraserver.exe

description pid process

Token: SeDebugPrivilege 3908 logagent.exe
Token: SeDebugPrivilege 3036 raserver.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

3048 Explorer.EXE
3048 Explorer.EXE
3048 Explorer.EXE
3048 Explorer.EXE
3048 Explorer.EXE
3048 Explorer.EXE
3048 Explorer.EXE
3048 Explorer.EXE

pid	process
3048	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3908	logagent.exe
Token: SeDebugPrivilege	3036	raserver.exe

pid	process
3048	Explorer.EXE
3048	Explorer.EXE
3048	Explorer.EXE
3048	Explorer.EXE
3048	Explorer.EXE
3048	Explorer.EXE
3048	Explorer.EXE
3048	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 2248 wrote to memory of 3908	2248	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	logagent.exe
PID 2248 wrote to memory of 3908	2248	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	logagent.exe
PID 2248 wrote to memory of 3908	2248	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	logagent.exe
PID 2248 wrote to memory of 3908	2248	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	logagent.exe
PID 2248 wrote to memory of 3908	2248	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	logagent.exe
PID 2248 wrote to memory of 3908	2248	Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe	logagent.exe
PID 3048 wrote to memory of 3036	3048	Explorer.EXE	raserver.exe
PID 3048 wrote to memory of 3036	3048	Explorer.EXE	raserver.exe
PID 3048 wrote to memory of 3036	3048	Explorer.EXE	raserver.exe
PID 3036 wrote to memory of 2788	3036	raserver.exe	cmd.exe
PID 3036 wrote to memory of 2788	3036	raserver.exe	cmd.exe
PID 3036 wrote to memory of 2788	3036	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3048

C:\Users\Admin\AppData\Local\Temp\Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe
"C:\Users\Admin\AppData\Local\Temp\Bdcuhmcgbsvmxhmuasrulqqnfbjdnogomk.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\SysWOW64\logagent.exe
C:\Windows\System32\logagent.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3908

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:2788

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2248-115-0x00000000004E0000-0x000000000058E000-memory.dmp

Filesize
696KB

Download
memory/2788-128-0x0000000000000000-mapping.dmp

Download
memory/3036-125-0x0000000000000000-mapping.dmp

Download
memory/3036-130-0x0000000004B10000-0x0000000004BA3000-memory.dmp

Filesize
588KB

Download
memory/3036-129-0x0000000004DB0000-0x00000000050D0000-memory.dmp

Filesize
3.1MB

Download
memory/3036-127-0x0000000000B90000-0x0000000000BBE000-memory.dmp

Filesize
184KB

Download
memory/3036-126-0x0000000000CA0000-0x0000000000CBF000-memory.dmp

Filesize
124KB

Download
memory/3048-124-0x00000000091E0000-0x0000000009327000-memory.dmp

Filesize
1.3MB

Download
memory/3048-131-0x00000000090C0000-0x00000000091D5000-memory.dmp

Filesize
1.1MB

Download
memory/3908-123-0x00000000031C0000-0x0000000003227000-memory.dmp

Filesize
412KB

Download
memory/3908-122-0x0000000004D70000-0x0000000005090000-memory.dmp

Filesize
3.1MB

Download
memory/3908-120-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/3908-121-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/3908-119-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads