xloader | 7a491e944745baf8c784f24a8c6434aa1ed068e26bfa17d06f902419d7207f14

General

Target

RFQ101#2021.exe
Size

509KB
MD5

71fea8895516246e023034fed8e7e66b
SHA1

dc3278cfcb258ff315e4e7a1267f52bdf562d450
SHA256

998d8ff737921cf6d3bbbc7294125f872e40f7580e3ea9c81188d794786d8749
SHA512

381d79fee03af6b156b995ae58fbdc8267f6c9de473d93a90297d15d299e75d75089324de814809d32be6db1e502a828d1184eaef19afeec4573312756d35e41
SSDEEP

12288:a9cruSK3CcG8cg9oJfkDIUTtPFtA/yNGUf6E:aWKSK3W8cg6Jf+IUpPDA6IZ

Score

10^/10

xloader c0vz discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c0vz

Decoy

barmorelosmx.com

wearablegraphene.com

lopsrental.lease

259771.com

wizer.digital

at7eleven.ink

szshuojing.com

coffsmobilebarber.com

swift-goods.com

hashstox.com

my-safqati.com

herba-soul.com

tethysbooks.com

learnwebrtc.com

tzwco.com

buzzingyhvlgr.online

aryocoding.com

yourdaruma.com

choice-recordtoreadtoday.info

trand-chicks.art

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2260-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2260-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2260-20-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2092 set thread context of 2260	2092	RFQ101#2021.exe	31
PID 2260 set thread context of 1152	2260	RFQ101#2021.exe	20
PID 2260 set thread context of 1152	2260	RFQ101#2021.exe	20

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ101#2021.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2260	RFQ101#2021.exe
2260	RFQ101#2021.exe
2260	RFQ101#2021.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2260	RFQ101#2021.exe
2260	RFQ101#2021.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2260	RFQ101#2021.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2260	2092	RFQ101#2021.exe	31
PID 2092 wrote to memory of 2260	2092	RFQ101#2021.exe	31
PID 2092 wrote to memory of 2260	2092	RFQ101#2021.exe	31
PID 2092 wrote to memory of 2260	2092	RFQ101#2021.exe	31
PID 2092 wrote to memory of 2260	2092	RFQ101#2021.exe	31
PID 2092 wrote to memory of 2260	2092	RFQ101#2021.exe	31
PID 2092 wrote to memory of 2260	2092	RFQ101#2021.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1152
- C:\Users\Admin\AppData\Local\Temp\RFQ101#2021.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ101#2021.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Users\Admin\AppData\Local\Temp\RFQ101#2021.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ101#2021.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1152-24-0x0000000006AB0000-0x0000000006B9B000-memory.dmp

Filesize
940KB

Download
memory/1152-23-0x0000000006AB0000-0x0000000006B9B000-memory.dmp

Filesize
940KB

Download
memory/1152-18-0x0000000005130000-0x0000000005247000-memory.dmp

Filesize
1.1MB

Download
memory/2092-13-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-1-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-2-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-3-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-4-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2092-0-0x0000000074B31000-0x0000000074B32000-memory.dmp

Filesize
4KB

Download
memory/2260-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2260-14-0x0000000000A60000-0x0000000000D63000-memory.dmp

Filesize
3.0MB

Download
memory/2260-17-0x0000000000180000-0x0000000000191000-memory.dmp

Filesize
68KB

Download
memory/2260-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2260-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2260-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2260-21-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/2260-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2260-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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