Malware Analysis Report

2024-10-19 02:41

Sample ID 240311-rtnqfsda5x
Target 308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe
SHA256 308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236
Tags
povertystealer persistence stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236

Threat Level: Known bad

The file 308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe was found to be: Known bad.

Malicious Activity Summary

povertystealer persistence stealer

Detect Poverty Stealer Payload

Poverty Stealer

Executes dropped EXE

Enumerates connected drives

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Uses Task Scheduler COM API

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

GoLang User-Agent

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-11 14:29

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-11 14:29

Reported

2024-03-11 14:31

Platform

win7-20240221-en

Max time kernel

119s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe

"C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-11 14:29

Reported

2024-03-11 14:32

Platform

win10v2004-20240226-en

Max time kernel

153s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe"

Signatures

Detect Poverty Stealer Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Poverty Stealer

stealer povertystealer

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWoW64\calc.exe N/A
N/A N/A C:\Windows\SysWoW64\calc.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\App = "C:\\Windows\\SysWoW64\\calc.exe" C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\q: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\r: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\u: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\g: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\p: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\k: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\n: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\v: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\a: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\b: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\y: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\j: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\l: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\w: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\x: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\D: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\i: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\o: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\t: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\m: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\s: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\z: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\h: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe N/A

GoLang User-Agent

Description Indicator Process Target
HTTP User-Agent header Go-http-client/1.1 N/A N/A
HTTP User-Agent header Go-http-client/1.1 N/A N/A
HTTP User-Agent header Go-http-client/1.1 N/A N/A
HTTP User-Agent header Go-http-client/1.1 N/A N/A
HTTP User-Agent header Go-http-client/1.1 N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 868 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe C:\Windows\SysWoW64\calc.exe
PID 868 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe C:\Windows\SysWoW64\calc.exe
PID 868 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe C:\Windows\SysWoW64\calc.exe
PID 868 wrote to memory of 4872 N/A C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe C:\Windows\SysWoW64\calc.exe
PID 868 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe C:\Windows\SysWoW64\calc.exe
PID 868 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe C:\Windows\SysWoW64\calc.exe
PID 868 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe C:\Windows\SysWoW64\calc.exe
PID 868 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe C:\Windows\SysWoW64\calc.exe
PID 3124 wrote to memory of 1796 N/A C:\Windows\SysWoW64\calc.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3124 wrote to memory of 1796 N/A C:\Windows\SysWoW64\calc.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3124 wrote to memory of 1796 N/A C:\Windows\SysWoW64\calc.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe

"C:\Users\Admin\AppData\Local\Temp\308667b323852ff5bbc525f35b17882a49d175ab21f29c2cd1630b6986f4a236.exe"

C:\Windows\SysWoW64\calc.exe

C:\Windows\SysWoW64\calc.exe

C:\Windows\SysWoW64\calc.exe

C:\Windows\SysWoW64\calc.exe

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

powershell -WindowStyle hidden -Command "if (-Not (Test-Path \"HKCU:\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\App\")) { Set-ItemProperty -Path \"HKCU:\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\" -Name \"App\" -Value \"C:\Windows\SysWoW64\calc.exe\" }"

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=3692 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
GB 216.58.201.106:443 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 hostregister.info udp
US 172.67.162.8:443 hostregister.info tcp
US 8.8.8.8:53 8.162.67.172.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 172.67.162.8:443 hostregister.info tcp
US 172.67.162.8:443 hostregister.info tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 172.67.162.8:443 hostregister.info tcp
US 172.67.162.8:443 hostregister.info tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 172.67.162.8:443 hostregister.info tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
RU 195.2.70.38:30001 195.2.70.38 tcp
RU 91.142.74.28:30001 91.142.74.28 tcp
US 8.8.8.8:53 38.70.2.195.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 28.74.142.91.in-addr.arpa udp
US 172.67.162.8:443 hostregister.info tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
RU 195.2.70.38:30001 195.2.70.38 tcp
RU 91.142.74.28:30001 91.142.74.28 tcp
RU 195.2.70.38:30001 195.2.70.38 tcp
RU 94.103.90.9:28910 tcp
US 8.8.8.8:53 9.90.103.94.in-addr.arpa udp
US 172.67.162.8:443 hostregister.info tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

memory/868-0-0x000001F954370000-0x000001F954373000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\THC2C4B.tmp

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/3124-5-0x00000000008D0000-0x00000000010EC000-memory.dmp

memory/4872-7-0x00000000009D0000-0x00000000009DA000-memory.dmp

memory/3124-8-0x00000000008D0000-0x00000000010EC000-memory.dmp

memory/4872-9-0x00000000009D0000-0x00000000009DA000-memory.dmp

memory/1796-10-0x0000000073E30000-0x00000000745E0000-memory.dmp

memory/1796-12-0x0000000005180000-0x0000000005190000-memory.dmp

memory/1796-13-0x0000000001490000-0x00000000014C6000-memory.dmp

memory/1796-14-0x0000000005180000-0x0000000005190000-memory.dmp

memory/1796-15-0x00000000057C0000-0x0000000005DE8000-memory.dmp

memory/1796-18-0x0000000005520000-0x0000000005542000-memory.dmp

memory/1796-19-0x0000000005740000-0x00000000057A6000-memory.dmp

memory/1796-20-0x0000000005EF0000-0x0000000005F56000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xvavxqju.llb.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1796-27-0x0000000005FA0000-0x00000000062F4000-memory.dmp

memory/1796-32-0x0000000073E30000-0x00000000745E0000-memory.dmp

memory/1796-34-0x00000000065A0000-0x00000000065BE000-memory.dmp

memory/1796-35-0x0000000006970000-0x00000000069BC000-memory.dmp

memory/1796-37-0x0000000005180000-0x0000000005190000-memory.dmp

memory/1796-38-0x0000000005180000-0x0000000005190000-memory.dmp

memory/1796-40-0x0000000006AD0000-0x0000000006B66000-memory.dmp

memory/1796-41-0x0000000006920000-0x000000000693A000-memory.dmp

memory/1796-42-0x0000000006A30000-0x0000000006A52000-memory.dmp

memory/1796-43-0x0000000007B60000-0x0000000008104000-memory.dmp

memory/1796-47-0x0000000073E30000-0x00000000745E0000-memory.dmp

memory/3124-49-0x00000000008D0000-0x00000000010EC000-memory.dmp

memory/3124-55-0x00000000008D0000-0x00000000010EC000-memory.dmp

memory/3124-57-0x00000000008D0000-0x00000000010EC000-memory.dmp

memory/3124-62-0x00000000008D0000-0x00000000010EC000-memory.dmp