751525316f4d0dfc3dd90b4f5941010471de7ae260a62dec11fdec7809a00e1e

Analysis

max time kernel
138s
max time network
83s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 08:11

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General

Target

1311cd91121172d0af75be0e9454f2cc.exe
Size

6.4MB
MD5

1311cd91121172d0af75be0e9454f2cc
SHA1

a75da7fb1471ec472828638a6929430e83dc143d
SHA256

751525316f4d0dfc3dd90b4f5941010471de7ae260a62dec11fdec7809a00e1e
SHA512

5836ab7f136edf946844beb8f3d456f2d678081678d5bb1d9950c826fc3a35cd6a0a0371cdd91ef7966930ed4555b0a88658357da36dc97404a234d27c9078b0
SSDEEP

196608:ywFAkK1ddlQq/BdlxX40dlQq/BdleRR1PfdlQq/BdlxX40dlQq/BdlO:lK1Sq//X4q/Ygq//X4q/w

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3552	1311cd91121172d0af75be0e9454f2cc.exe

Executes dropped EXE 1 IoCs

pid	Process
3552	1311cd91121172d0af75be0e9454f2cc.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1872-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral2/files/0x00080000000231d9-12.dat	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2284	schtasks.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1872	1311cd91121172d0af75be0e9454f2cc.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1872	1311cd91121172d0af75be0e9454f2cc.exe
3552	1311cd91121172d0af75be0e9454f2cc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 3552	1872	1311cd91121172d0af75be0e9454f2cc.exe	20
PID 1872 wrote to memory of 3552	1872	1311cd91121172d0af75be0e9454f2cc.exe	20
PID 1872 wrote to memory of 3552	1872	1311cd91121172d0af75be0e9454f2cc.exe	20
PID 3552 wrote to memory of 2284	3552	1311cd91121172d0af75be0e9454f2cc.exe	22
PID 3552 wrote to memory of 2284	3552	1311cd91121172d0af75be0e9454f2cc.exe	22
PID 3552 wrote to memory of 2284	3552	1311cd91121172d0af75be0e9454f2cc.exe	22
PID 3552 wrote to memory of 4392	3552	1311cd91121172d0af75be0e9454f2cc.exe	28
PID 3552 wrote to memory of 4392	3552	1311cd91121172d0af75be0e9454f2cc.exe	28
PID 3552 wrote to memory of 4392	3552	1311cd91121172d0af75be0e9454f2cc.exe	28
PID 4392 wrote to memory of 336	4392	cmd.exe	108
PID 4392 wrote to memory of 336	4392	cmd.exe	108
PID 4392 wrote to memory of 336	4392	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\1311cd91121172d0af75be0e9454f2cc.exe
"C:\Users\Admin\AppData\Local\Temp\1311cd91121172d0af75be0e9454f2cc.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Users\Admin\AppData\Local\Temp\1311cd91121172d0af75be0e9454f2cc.exe
  C:\Users\Admin\AppData\Local\Temp\1311cd91121172d0af75be0e9454f2cc.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:3552
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\1311cd91121172d0af75be0e9454f2cc.exe" /TN 1WOV8tOcae1c /F
    3⤵
    - Creates scheduled task(s)
    PID:2284
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\mchmb2.xml
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4392

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /Query /XML /TN 1WOV8tOcae1c
1⤵
PID:336

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1311cd91121172d0af75be0e9454f2cc.exe

Filesize
92KB

MD5
bbddb7f1af5ff6498ea58ac0bcb3b669

SHA1
82ec0921e4ccc4d1450366bc81b4b2cadc028bfd

SHA256
10397b357bbc240e3a9fe7c1a5db3bfe5bf29c91887c52d40c8cf2a7e7e745ca

SHA512
676ddd14a86c6cd948e617e9044c100a3f9746b71000ef0ae64f8719f116640fbed1567c2708f283efd76f39dd967b0f2ec47e48a880a654cc1e1940c7bcc32c

Download Submit
memory/1872-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/1872-2-0x0000000025010000-0x000000002508E000-memory.dmp

Filesize
504KB

Download
memory/1872-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1872-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/3552-18-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/3552-16-0x00000000016E0000-0x000000000175E000-memory.dmp

Filesize
504KB

Download
memory/3552-23-0x00000000004B0000-0x000000000051B000-memory.dmp

Filesize
428KB

Download
memory/3552-22-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3552-40-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads