xloader | 4b3af4ebfe94ecb1730c15620080935f619b6592fad681921968f986c030c0c3

General

Target

tmp/femp.exe
Size

344KB
MD5

c62a556b445ff8cf1b9e0b038a13137e
SHA1

7fefc1609a4e66d234abb47a1536857317bdb31b
SHA256

4b3af4ebfe94ecb1730c15620080935f619b6592fad681921968f986c030c0c3
SHA512

c372806da30c98b047d46f8e70cce90f93829fe484ff5eb49354bd132a846ff126ea4c7024e5fae8de60c96117d940ea4fe2d6c783c67987354c7eee99c4638e

Score

10^/10

xloader ef6c loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ef6c

C2

http://www.fis.photos/ef6c/

Decoy

gicaredocs.com

govusergroup.com

conversationspit.com

brondairy.com

rjtherealest.com

xn--9m1bq8wgkag3rjvb.com

mylori.net

softandcute.store

ahljsm.com

shacksolid.com

weekendmusecollection.com

gaminghallarna.net

pgonline111.online

44mpt.xyz

ambrandt.com

eddytattoo.com

blendeqes.com

upinmyfeels.com

lacucinadesign.com

docomoau.xyz

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4392-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4392-125-0x000000000041D3D0-mapping.dmp	xloader
behavioral2/memory/4392-130-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4468-135-0x0000000000590000-0x00000000005B9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

femp.exefemp.execmd.exe

description	pid	process	target process
PID 3824 set thread context of 4392	3824	femp.exe	femp.exe
PID 4392 set thread context of 3032	4392	femp.exe	Explorer.EXE
PID 4392 set thread context of 3032	4392	femp.exe	Explorer.EXE
PID 4468 set thread context of 3032	4468	cmd.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

femp.execmd.exe

pid	process
4392	femp.exe
4392	femp.exe
4392	femp.exe
4392	femp.exe
4392	femp.exe
4392	femp.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe
4468	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3032 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

femp.execmd.exe

pid process

4392 femp.exe
4392 femp.exe
4392 femp.exe
4392 femp.exe
4468 cmd.exe
4468 cmd.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

femp.execmd.exe

description pid process

Token: SeDebugPrivilege 4392 femp.exe
Token: SeDebugPrivilege 4468 cmd.exe

pid	process
3032	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4392	femp.exe
Token: SeDebugPrivilege	4468	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

femp.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 3824 wrote to memory of 4392	3824	femp.exe	femp.exe
PID 3824 wrote to memory of 4392	3824	femp.exe	femp.exe
PID 3824 wrote to memory of 4392	3824	femp.exe	femp.exe
PID 3824 wrote to memory of 4392	3824	femp.exe	femp.exe
PID 3824 wrote to memory of 4392	3824	femp.exe	femp.exe
PID 3824 wrote to memory of 4392	3824	femp.exe	femp.exe
PID 3032 wrote to memory of 4468	3032	Explorer.EXE	cmd.exe
PID 3032 wrote to memory of 4468	3032	Explorer.EXE	cmd.exe
PID 3032 wrote to memory of 4468	3032	Explorer.EXE	cmd.exe
PID 4468 wrote to memory of 3260	4468	cmd.exe	cmd.exe
PID 4468 wrote to memory of 3260	4468	cmd.exe	cmd.exe
PID 4468 wrote to memory of 3260	4468	cmd.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3032

C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3824

C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4392

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:4364

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp\femp.exe"
3⤵
PID:3260

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3032-129-0x00000000067A0000-0x00000000068ED000-memory.dmp

Filesize
1.3MB

Download
memory/3032-139-0x00000000035A0000-0x0000000003633000-memory.dmp

Filesize
588KB

Download
memory/3032-132-0x0000000003350000-0x0000000003404000-memory.dmp

Filesize
720KB

Download
memory/3260-137-0x0000000000000000-mapping.dmp

Download
memory/3824-117-0x0000000005340000-0x0000000005341000-memory.dmp

Filesize
4KB

Download
memory/3824-118-0x0000000004D40000-0x0000000004D41000-memory.dmp

Filesize
4KB

Download
memory/3824-119-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

Filesize
4KB

Download
memory/3824-120-0x0000000004E40000-0x000000000533E000-memory.dmp

Filesize
5.0MB

Download
memory/3824-121-0x0000000004E10000-0x0000000004E15000-memory.dmp

Filesize
20KB

Download
memory/3824-122-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

Filesize
4KB

Download
memory/3824-123-0x0000000005A90000-0x0000000005ADB000-memory.dmp

Filesize
300KB

Download
memory/3824-115-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/4392-128-0x0000000001180000-0x0000000001191000-memory.dmp

Filesize
68KB

Download
memory/4392-130-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4392-127-0x0000000001730000-0x0000000001A50000-memory.dmp

Filesize
3.1MB

Download
memory/4392-131-0x00000000011B0000-0x00000000012FA000-memory.dmp

Filesize
1.3MB

Download
memory/4392-125-0x000000000041D3D0-mapping.dmp

Download
memory/4392-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4468-133-0x0000000000000000-mapping.dmp

Download
memory/4468-134-0x0000000000BC0000-0x0000000000C19000-memory.dmp

Filesize
356KB

Download
memory/4468-135-0x0000000000590000-0x00000000005B9000-memory.dmp

Filesize
164KB

Download
memory/4468-136-0x0000000003190000-0x00000000034B0000-memory.dmp

Filesize
3.1MB

Download
memory/4468-138-0x0000000002FE0000-0x0000000003070000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads