xloader | 7cd23817d642ca753b4f4083ed08953f8928d66013d3bb3c197259daf881c888

General

Target

Enquiry#List For Urgent Order070521.exe
Size

1.3MB
MD5

b65d348c6c626693fda8657edb8edd5a
SHA1

a080850656a7eb65b6a21a8d23d8a5df9cf5df78
SHA256

c6e9c8aafd1bcd3b7772547cb5fe8c52b57a7486b93172163478fb0974725ac9
SHA512

db85fb23836b5caeb9abf6a56f3ac336a1423394708e188f5e991c7119ff2a44c16451f476d882bc927fe4b8397fee28e83ee69f368441036189094321a437b9
SSDEEP

12288:OSbd6NsB+OaDaDaOIrDBQtKY3YZ/ZHRjrJjCNFhVN1UayaE:O+6NJOaDaDa7l7Y3YZ3jrQFtuayaE

Score

10^/10

xloader rnn4 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

rnn4

Decoy

saruroman.com

backendfurnitureconsulting.com

invitadito.com

aqemelearning.com

unitedphonerepair.com

xn--l6qt3dk7equidt4a.net

us-pride-day.com

refund.homes

gilanfarrconstruction.com

856380691.xyz

aerolabqhd.com

collective36.com

binhminhxanh.club

droogskateboards.com

thinkbest11.com

realisticallywritten.com

elderlyjustification.com

betteraff.net

freeworkpays.com

callistatease.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/956-13-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/956-18-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/4812-23-0x00000000007D0000-0x00000000007F8000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3764 set thread context of 956	3764	Enquiry#List For Urgent Order070521.exe	91
PID 956 set thread context of 3500	956	Enquiry#List For Urgent Order070521.exe	55
PID 4812 set thread context of 3500	4812	chkdsk.exe	55

System Location Discovery: System Language Discovery 1 TTPs 3 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	Enquiry#List For Urgent Order070521.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
956	Enquiry#List For Urgent Order070521.exe
956	Enquiry#List For Urgent Order070521.exe
956	Enquiry#List For Urgent Order070521.exe
956	Enquiry#List For Urgent Order070521.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe
4812	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
956	Enquiry#List For Urgent Order070521.exe
956	Enquiry#List For Urgent Order070521.exe
956	Enquiry#List For Urgent Order070521.exe
4812	chkdsk.exe
4812	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	956	Enquiry#List For Urgent Order070521.exe
Token: SeDebugPrivilege	4812	chkdsk.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 956	3764	Enquiry#List For Urgent Order070521.exe	91
PID 3764 wrote to memory of 956	3764	Enquiry#List For Urgent Order070521.exe	91
PID 3764 wrote to memory of 956	3764	Enquiry#List For Urgent Order070521.exe	91
PID 3764 wrote to memory of 956	3764	Enquiry#List For Urgent Order070521.exe	91
PID 3764 wrote to memory of 956	3764	Enquiry#List For Urgent Order070521.exe	91
PID 3764 wrote to memory of 956	3764	Enquiry#List For Urgent Order070521.exe	91
PID 3500 wrote to memory of 4812	3500	Explorer.EXE	92
PID 3500 wrote to memory of 4812	3500	Explorer.EXE	92
PID 3500 wrote to memory of 4812	3500	Explorer.EXE	92
PID 4812 wrote to memory of 1104	4812	chkdsk.exe	93
PID 4812 wrote to memory of 1104	4812	chkdsk.exe	93
PID 4812 wrote to memory of 1104	4812	chkdsk.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Users\Admin\AppData\Local\Temp\Enquiry#List For Urgent Order070521.exe
  "C:\Users\Admin\AppData\Local\Temp\Enquiry#List For Urgent Order070521.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3764
- - C:\Users\Admin\AppData\Local\Temp\Enquiry#List For Urgent Order070521.exe
    "C:\Users\Admin\AppData\Local\Temp\Enquiry#List For Urgent Order070521.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:956
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4812
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Enquiry#List For Urgent Order070521.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

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/956-13-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/956-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/956-19-0x0000000000F80000-0x0000000000F90000-memory.dmp

Filesize
64KB

Download
memory/956-16-0x0000000001280000-0x00000000015CA000-memory.dmp

Filesize
3.3MB

Download
memory/3500-31-0x00000000030F0000-0x00000000031A5000-memory.dmp

Filesize
724KB

Download
memory/3500-29-0x00000000030F0000-0x00000000031A5000-memory.dmp

Filesize
724KB

Download
memory/3500-28-0x00000000030F0000-0x00000000031A5000-memory.dmp

Filesize
724KB

Download
memory/3500-24-0x0000000008900000-0x0000000008A50000-memory.dmp

Filesize
1.3MB

Download
memory/3500-20-0x0000000008900000-0x0000000008A50000-memory.dmp

Filesize
1.3MB

Download
memory/3764-6-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/3764-7-0x0000000005270000-0x00000000052C6000-memory.dmp

Filesize
344KB

Download
memory/3764-11-0x0000000000FF0000-0x000000000106A000-memory.dmp

Filesize
488KB

Download
memory/3764-12-0x00000000010E0000-0x0000000001120000-memory.dmp

Filesize
256KB

Download
memory/3764-9-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/3764-15-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/3764-8-0x0000000004AE0000-0x0000000004AF4000-memory.dmp

Filesize
80KB

Download
memory/3764-5-0x0000000005130000-0x000000000513A000-memory.dmp

Filesize
40KB

Download
memory/3764-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/3764-10-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/3764-1-0x0000000000540000-0x0000000000694000-memory.dmp

Filesize
1.3MB

Download
memory/3764-2-0x0000000005060000-0x00000000050FC000-memory.dmp

Filesize
624KB

Download
memory/3764-3-0x00000000056E0000-0x0000000005C84000-memory.dmp

Filesize
5.6MB

Download
memory/3764-4-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/4812-23-0x00000000007D0000-0x00000000007F8000-memory.dmp

Filesize
160KB

Download
memory/4812-22-0x00000000006C0000-0x00000000006CA000-memory.dmp

Filesize
40KB

Download
memory/4812-21-0x00000000006C0000-0x00000000006CA000-memory.dmp

Filesize
40KB

Download

Analysis

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