xloader | af2b21a69de30c1e874d99bf4f2780a28385eafcb57f48598714019e7504cfec

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
behavioral3/memory/2224-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2224-17-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/1992-23-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader
behavioral3/memory/1992-25-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
552	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1284 set thread context of 2224	1284	IMG_38575943.exe	30
PID 2224 set thread context of 1200	2224	IMG_38575943.exe	21
PID 1992 set thread context of 1200	1992	cmstp.exe	21

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2224	IMG_38575943.exe
2224	IMG_38575943.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe
1992	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2224	IMG_38575943.exe
2224	IMG_38575943.exe
2224	IMG_38575943.exe
1992	cmstp.exe
1992	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2224	IMG_38575943.exe
Token: SeDebugPrivilege	1992	cmstp.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 2224	1284	IMG_38575943.exe	30
PID 1284 wrote to memory of 2224	1284	IMG_38575943.exe	30
PID 1284 wrote to memory of 2224	1284	IMG_38575943.exe	30
PID 1284 wrote to memory of 2224	1284	IMG_38575943.exe	30
PID 1284 wrote to memory of 2224	1284	IMG_38575943.exe	30
PID 1284 wrote to memory of 2224	1284	IMG_38575943.exe	30
PID 1284 wrote to memory of 2224	1284	IMG_38575943.exe	30
PID 1200 wrote to memory of 1992	1200	Explorer.EXE	37
PID 1200 wrote to memory of 1992	1200	Explorer.EXE	37
PID 1200 wrote to memory of 1992	1200	Explorer.EXE	37
PID 1200 wrote to memory of 1992	1200	Explorer.EXE	37
PID 1200 wrote to memory of 1992	1200	Explorer.EXE	37
PID 1200 wrote to memory of 1992	1200	Explorer.EXE	37
PID 1200 wrote to memory of 1992	1200	Explorer.EXE	37
PID 1992 wrote to memory of 552	1992	cmstp.exe	38
PID 1992 wrote to memory of 552	1992	cmstp.exe	38
PID 1992 wrote to memory of 552	1992	cmstp.exe	38
PID 1992 wrote to memory of 552	1992	cmstp.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- 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:1284
- - 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:2224
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2496
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2544
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2844
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2892
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2736
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3040
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\IMG_38575943.exe"
    3⤵
    - Deletes itself
    PID:552

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1200-29-0x0000000006150000-0x0000000006263000-memory.dmp

Filesize
1.1MB

Download
memory/1200-20-0x0000000006150000-0x0000000006263000-memory.dmp

Filesize
1.1MB

Download
memory/1200-19-0x0000000002C70000-0x0000000002D70000-memory.dmp

Filesize
1024KB

Download
memory/1284-14-0x0000000073DE0000-0x00000000744CE000-memory.dmp

Filesize
6.9MB

Download
memory/1284-0-0x0000000000F90000-0x0000000000FEC000-memory.dmp

Filesize
368KB

Download
memory/1284-2-0x0000000000810000-0x0000000000850000-memory.dmp

Filesize
256KB

Download
memory/1284-3-0x0000000000870000-0x000000000087C000-memory.dmp

Filesize
48KB

Download
memory/1284-4-0x0000000073DE0000-0x00000000744CE000-memory.dmp

Filesize
6.9MB

Download
memory/1284-5-0x0000000000810000-0x0000000000850000-memory.dmp

Filesize
256KB

Download
memory/1284-6-0x00000000049D0000-0x0000000004A2E000-memory.dmp

Filesize
376KB

Download
memory/1284-1-0x0000000073DE0000-0x00000000744CE000-memory.dmp

Filesize
6.9MB

Download
memory/1992-22-0x0000000000DE0000-0x0000000000DF8000-memory.dmp

Filesize
96KB

Download
memory/1992-21-0x0000000000DE0000-0x0000000000DF8000-memory.dmp

Filesize
96KB

Download
memory/1992-23-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1992-24-0x0000000002200000-0x0000000002503000-memory.dmp

Filesize
3.0MB

Download
memory/1992-25-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1992-27-0x00000000002E0000-0x0000000000370000-memory.dmp

Filesize
576KB

Download
memory/2224-15-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download
memory/2224-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2224-18-0x0000000000180000-0x0000000000191000-memory.dmp

Filesize
68KB

Download
memory/2224-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2224-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2224-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2224-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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