xloader | 3357b4a89dc623781355fe7a673329975777b2a5ce8a2051c538dcb7d4969c8e

General

Target

cf3a28df3cd2682651ced75c40b06155.exe
Size

245KB
MD5

cf3a28df3cd2682651ced75c40b06155
SHA1

df85d8f256b8fd779d660f633eca94a7ea6c3cea
SHA256

3357b4a89dc623781355fe7a673329975777b2a5ce8a2051c538dcb7d4969c8e
SHA512

89c8d75516d889c8993abe926ddf5713e4fe207d459dafffa01d90df01e7f7fea63ffa0ca7428d15b0940f01c9290706c776b0b2461e160cebe2eb23a097b3b5
SSDEEP

6144:Na/djfLqZHNlXeQN/TezMUpyXVG71CRdzf:XfnNQpB8zf

Score

10^/10

xloader b6a4 loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

b6a4

Decoy

reviewsresolutions.com

binhminhgardenshophouse.com

nebulacom.com

kadhambaristudio.com

viltoom.club

supmomma.com

tjszxddc.com

darlingmemories.com

hyperultrapure.com

vibembrio.com

reallycoolmask.com

cumbukita.com

brian-newby.com

abstractaccessories.com

marykinky.com

minnesotareversemtgloans.com

prasetlement.com

xplpgi.com

xn--gdask-y7a.com

uababaseball.com

Signatures

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

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2540-3-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2540-8-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2636-12-0x0000000000070000-0x0000000000098000-memory.dmp	xloader
behavioral1/memory/2636-14-0x0000000000070000-0x0000000000098000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

cf3a28df3cd2682651ced75c40b06155.exesvchost.execscript.exe

description	pid	process	target process
PID 856 set thread context of 2540	856	cf3a28df3cd2682651ced75c40b06155.exe	svchost.exe
PID 2540 set thread context of 1224	2540	svchost.exe	Explorer.EXE
PID 2636 set thread context of 1224	2636	cscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

svchost.execscript.exe

pid	process
2540	svchost.exe
2540	svchost.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe
2636	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

cf3a28df3cd2682651ced75c40b06155.exesvchost.execscript.exe

pid process

856 cf3a28df3cd2682651ced75c40b06155.exe
2540 svchost.exe
2540 svchost.exe
2540 svchost.exe
2636 cscript.exe
2636 cscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.execscript.exe

description pid process

Token: SeDebugPrivilege 2540 svchost.exe
Token: SeDebugPrivilege 2636 cscript.exe

pid	process
856	cf3a28df3cd2682651ced75c40b06155.exe
2540	svchost.exe
2540	svchost.exe
2540	svchost.exe
2636	cscript.exe
2636	cscript.exe

description	pid	process
Token: SeDebugPrivilege	2540	svchost.exe
Token: SeDebugPrivilege	2636	cscript.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

cf3a28df3cd2682651ced75c40b06155.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 856 wrote to memory of 2540	856	cf3a28df3cd2682651ced75c40b06155.exe	svchost.exe
PID 856 wrote to memory of 2540	856	cf3a28df3cd2682651ced75c40b06155.exe	svchost.exe
PID 856 wrote to memory of 2540	856	cf3a28df3cd2682651ced75c40b06155.exe	svchost.exe
PID 856 wrote to memory of 2540	856	cf3a28df3cd2682651ced75c40b06155.exe	svchost.exe
PID 856 wrote to memory of 2540	856	cf3a28df3cd2682651ced75c40b06155.exe	svchost.exe
PID 1224 wrote to memory of 2636	1224	Explorer.EXE	cscript.exe
PID 1224 wrote to memory of 2636	1224	Explorer.EXE	cscript.exe
PID 1224 wrote to memory of 2636	1224	Explorer.EXE	cscript.exe
PID 1224 wrote to memory of 2636	1224	Explorer.EXE	cscript.exe
PID 2636 wrote to memory of 2604	2636	cscript.exe	cmd.exe
PID 2636 wrote to memory of 2604	2636	cscript.exe	cmd.exe
PID 2636 wrote to memory of 2604	2636	cscript.exe	cmd.exe
PID 2636 wrote to memory of 2604	2636	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1224

C:\Users\Admin\AppData\Local\Temp\cf3a28df3cd2682651ced75c40b06155.exe
"C:\Users\Admin\AppData\Local\Temp\cf3a28df3cd2682651ced75c40b06155.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\cf3a28df3cd2682651ced75c40b06155.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2540

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2636

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\svchost.exe"
3⤵
PID:2604

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/856-2-0x0000000000300000-0x0000000000302000-memory.dmp

Filesize
8KB

Download
memory/856-1-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/1224-19-0x0000000006BD0000-0x0000000006CAB000-memory.dmp

Filesize
876KB

Download
memory/1224-7-0x0000000003080000-0x0000000003180000-memory.dmp

Filesize
1024KB

Download
memory/1224-9-0x0000000006800000-0x00000000068CC000-memory.dmp

Filesize
816KB

Download
memory/1224-23-0x0000000006BD0000-0x0000000006CAB000-memory.dmp

Filesize
876KB

Download
memory/1224-20-0x0000000006BD0000-0x0000000006CAB000-memory.dmp

Filesize
876KB

Download
memory/2540-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2540-4-0x0000000000830000-0x0000000000B33000-memory.dmp

Filesize
3.0MB

Download
memory/2540-6-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2540-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2636-10-0x0000000000760000-0x0000000000782000-memory.dmp

Filesize
136KB

Download
memory/2636-14-0x0000000000070000-0x0000000000098000-memory.dmp

Filesize
160KB

Download
memory/2636-15-0x0000000000440000-0x00000000004CF000-memory.dmp

Filesize
572KB

Download
memory/2636-13-0x0000000002160000-0x0000000002463000-memory.dmp

Filesize
3.0MB

Download
memory/2636-12-0x0000000000070000-0x0000000000098000-memory.dmp

Filesize
160KB

Download
memory/2636-11-0x0000000000760000-0x0000000000782000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads