xloader | 17a62f361b0637da62a31177c2e82ab808dccc925bec9f977ecdfd6cd5b5728d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 20:12

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General

Target

BCS_ECS9522019111121380024_1206_952.exe
Size

1.2MB
MD5

54e12bb22e93723f1207f9b0c68ce740
SHA1

c4c2bd10d4e5a21997e1b5a2eec5beccd63759ea
SHA256

47e832373110163a11b922941cb9a2377c7e44ed290a528073152b0fb1ffef93
SHA512

d1741eecc9bb3177ce4b115ded4379af5d4898a9088882f130f3a52ecfca5cdefd488316e8076f42c56d5e0c12119b38de28236429b67daaf9262b64af1a5bf3
SSDEEP

12288:tP6lfqSXnoJQSfo9PwSNGAQI7/OGBbuqPFxeElvzLVMAcfNQBLSi:Rvaj9oSN77/OGMyHlbxxcfNxi

Score

10^/10

xloader a7dr discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

a7dr

Decoy

thevirginiahighlanders.com

crazybenzi.com

nottruthful.com

happi.info

amjadlighting.com

mlebentv.com

pogrebnolipa.com

907wine.com

programheart.com

jenniferlarmstrong.com

alexjcarpenter.com

rokyslegendou.com

confidenceismine.com

thegeek420.com

hover-lover.com

conversationallawinstitute.com

ssonya.com

woopyyl.com

ebotasymas.com

nysobvakoiijqjs.com

Signatures

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

Xloader payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/1120-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 1120	2276	BCS_ECS9522019111121380024_1206_952.exe	32

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	BCS_ECS9522019111121380024_1206_952.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1120	BCS_ECS9522019111121380024_1206_952.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 1120	2276	BCS_ECS9522019111121380024_1206_952.exe	32
PID 2276 wrote to memory of 1120	2276	BCS_ECS9522019111121380024_1206_952.exe	32
PID 2276 wrote to memory of 1120	2276	BCS_ECS9522019111121380024_1206_952.exe	32
PID 2276 wrote to memory of 1120	2276	BCS_ECS9522019111121380024_1206_952.exe	32
PID 2276 wrote to memory of 1120	2276	BCS_ECS9522019111121380024_1206_952.exe	32
PID 2276 wrote to memory of 1120	2276	BCS_ECS9522019111121380024_1206_952.exe	32
PID 2276 wrote to memory of 1120	2276	BCS_ECS9522019111121380024_1206_952.exe	32

C:\Users\Admin\AppData\Local\Temp\BCS_ECS9522019111121380024_1206_952.exe
"C:\Users\Admin\AppData\Local\Temp\BCS_ECS9522019111121380024_1206_952.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\BCS_ECS9522019111121380024_1206_952.exe
  "C:\Users\Admin\AppData\Local\Temp\BCS_ECS9522019111121380024_1206_952.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1120-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1120-14-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/1120-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1120-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1120-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2276-3-0x00000000003C0000-0x00000000003D4000-memory.dmp

Filesize
80KB

Download
memory/2276-6-0x0000000005270000-0x00000000052F0000-memory.dmp

Filesize
512KB

Download
memory/2276-7-0x0000000004830000-0x0000000004866000-memory.dmp

Filesize
216KB

Download
memory/2276-5-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2276-4-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2276-0-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2276-2-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2276-13-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2276-1-0x0000000000D60000-0x0000000000E96000-memory.dmp

Filesize
1.2MB

Download