xloader | 50df1fc76a41a970a44ac40efdd0113c599a7091891dc13c25e78abe52a97158

General

Target

IMG_38575943.exe
Size

341KB
MD5

2a11ef715093c4429cd05dc3950c7f89
SHA1

3199e3c72fc349d9cce951c2c8830d88a8da4454
SHA256

50df1fc76a41a970a44ac40efdd0113c599a7091891dc13c25e78abe52a97158
SHA512

24f2d7a608d421258334144217e97dccdeb023d5e621774f213eda210a8937df0c7d12cfd02e8c96d5951011d6142a320ca3b40bedb8ac6ad5f95ccc6d3d2d0a
SSDEEP

6144:HqPwmYdAbc0C3LFDDOQmjUi0GL9jDAlPMKpPbd6j62AeI4KR0VoFtDFF7g:HqPwmYdAbc0CboQmjIGN6Pzd6j6/eWtU

Score

10^/10

xloader c6si loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c6si

Decoy

tristateinc.construction

americanscaregroundstexas.com

kanimisoshiru.com

wihling.com

fishcheekstosa.com

parentsfuid.com

greenstandmarket.com

fc8fla8kzq.com

gametwist-83.club

jobsncvs.com

directrealtysells.com

avida2015.com

conceptasite.net

arkaneattire.com

indev-mobility.info

2160centurypark412.com

valefloor.com

septembership.com

stackflix.com

jimc0sales.net

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/1476-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1476-15-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2116-22-0x0000000000590000-0x00000000005B9000-memory.dmp	xloader
behavioral2/memory/2116-24-0x0000000000590000-0x00000000005B9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4660 set thread context of 1476	4660	IMG_38575943.exe	102
PID 1476 set thread context of 3428	1476	IMG_38575943.exe	56
PID 2116 set thread context of 3428	2116	ipconfig.exe	56

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2116	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
1476	IMG_38575943.exe
1476	IMG_38575943.exe
1476	IMG_38575943.exe
1476	IMG_38575943.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe
2116	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1476	IMG_38575943.exe
1476	IMG_38575943.exe
1476	IMG_38575943.exe
2116	ipconfig.exe
2116	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1476	IMG_38575943.exe
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeDebugPrivilege	2116	ipconfig.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 1476	4660	IMG_38575943.exe	102
PID 4660 wrote to memory of 1476	4660	IMG_38575943.exe	102
PID 4660 wrote to memory of 1476	4660	IMG_38575943.exe	102
PID 4660 wrote to memory of 1476	4660	IMG_38575943.exe	102
PID 4660 wrote to memory of 1476	4660	IMG_38575943.exe	102
PID 4660 wrote to memory of 1476	4660	IMG_38575943.exe	102
PID 3428 wrote to memory of 2116	3428	Explorer.EXE	103
PID 3428 wrote to memory of 2116	3428	Explorer.EXE	103
PID 3428 wrote to memory of 2116	3428	Explorer.EXE	103
PID 2116 wrote to memory of 3908	2116	ipconfig.exe	104
PID 2116 wrote to memory of 3908	2116	ipconfig.exe	104
PID 2116 wrote to memory of 3908	2116	ipconfig.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe
  "C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4660
- - C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1476
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe"
    3⤵
    PID:3908

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:1436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1476-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-16-0x0000000001280000-0x0000000001291000-memory.dmp

Filesize
68KB

Download
memory/1476-13-0x00000000018A0000-0x0000000001BEA000-memory.dmp

Filesize
3.3MB

Download
memory/2116-23-0x0000000001060000-0x00000000013AA000-memory.dmp

Filesize
3.3MB

Download
memory/2116-26-0x0000000000D80000-0x0000000000E10000-memory.dmp

Filesize
576KB

Download
memory/2116-24-0x0000000000590000-0x00000000005B9000-memory.dmp

Filesize
164KB

Download
memory/2116-22-0x0000000000590000-0x00000000005B9000-memory.dmp

Filesize
164KB

Download
memory/2116-21-0x0000000000540000-0x000000000054B000-memory.dmp

Filesize
44KB

Download
memory/2116-20-0x0000000000540000-0x000000000054B000-memory.dmp

Filesize
44KB

Download
memory/3428-17-0x0000000008060000-0x00000000081FF000-memory.dmp

Filesize
1.6MB

Download
memory/3428-34-0x0000000002A60000-0x0000000002AF5000-memory.dmp

Filesize
596KB

Download
memory/3428-31-0x0000000002A60000-0x0000000002AF5000-memory.dmp

Filesize
596KB

Download
memory/3428-30-0x0000000002A60000-0x0000000002AF5000-memory.dmp

Filesize
596KB

Download
memory/3428-27-0x0000000008060000-0x00000000081FF000-memory.dmp

Filesize
1.6MB

Download
memory/4660-10-0x0000000006AC0000-0x0000000006B5C000-memory.dmp

Filesize
624KB

Download
memory/4660-1-0x0000000000500000-0x000000000055C000-memory.dmp

Filesize
368KB

Download
memory/4660-19-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4660-2-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/4660-3-0x0000000004F40000-0x0000000004FD2000-memory.dmp

Filesize
584KB

Download
memory/4660-4-0x00000000050C0000-0x00000000050D0000-memory.dmp

Filesize
64KB

Download
memory/4660-0-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/4660-11-0x0000000006C00000-0x0000000006C5E000-memory.dmp

Filesize
376KB

Download
memory/4660-5-0x0000000005000000-0x000000000500A000-memory.dmp

Filesize
40KB

Download
memory/4660-9-0x00000000050C0000-0x00000000050D0000-memory.dmp

Filesize
64KB

Download
memory/4660-8-0x0000000006610000-0x000000000665C000-memory.dmp

Filesize
304KB

Download
memory/4660-7-0x0000000005350000-0x000000000535C000-memory.dmp

Filesize
48KB

Download
memory/4660-6-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download

Analysis

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