Malware Analysis Report

2024-10-23 21:47

Sample ID 240312-qjl87shf6z
Target BF-TL-605877001.exe
SHA256 e837bf6c58ee97ebdb7c3d58a733f3d527bf0150f1eb551af6707f71d54a3457
Tags
agenttesla purelogstealer zgrat keylogger persistence rat spyware stealer trojan
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

e837bf6c58ee97ebdb7c3d58a733f3d527bf0150f1eb551af6707f71d54a3457

Threat Level: Known bad

The file BF-TL-605877001.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla purelogstealer zgrat keylogger persistence rat spyware stealer trojan

ZGRat

PureLog Stealer payload

Detect ZGRat V1

PureLog Stealer

AgentTesla

Downloads MZ/PE file

Checks computer location settings

Executes dropped EXE

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Reads WinSCP keys stored on the system

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-12 13:17

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-12 13:17

Reported

2024-03-12 13:20

Platform

win7-20240221-en

Max time kernel

150s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe

"C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 firstbaptiststjoe.org udp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 8.8.8.8:53 firstbaptiststjoe.org udp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 44.215.252.154:443 firstbaptiststjoe.org tcp

Files

memory/1808-0-0x00000000008B0000-0x000000000092C000-memory.dmp

memory/1808-1-0x0000000073FE0000-0x00000000746CE000-memory.dmp

memory/1808-2-0x0000000004AD0000-0x0000000004B10000-memory.dmp

memory/1808-3-0x0000000000380000-0x000000000038A000-memory.dmp

memory/1808-4-0x0000000073FE0000-0x00000000746CE000-memory.dmp

memory/1808-5-0x0000000004AD0000-0x0000000004B10000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-12 13:17

Reported

2024-03-12 13:20

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Detect ZGRat V1

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PureLog Stealer

stealer purelogstealer

PureLog Stealer payload

Description Indicator Process Target
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ZGRat

rat zgrat

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\fel.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fel.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\tmp91CB.tmp.exe N/A

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ozhvdskglxw = "C:\\Users\\Admin\\AppData\\Roaming\\Ozhvdskglxw.exe" C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4288 set thread context of 3032 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\fel.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tmp91CB.tmp.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4288 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\fel.exe
PID 4288 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\fel.exe
PID 4288 wrote to memory of 4480 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\fel.exe
PID 4288 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4288 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4288 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4288 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4288 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4288 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4288 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4288 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4288 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4288 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4288 wrote to memory of 3032 N/A C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe
PID 4480 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\fel.exe C:\Users\Admin\AppData\Local\Temp\tmp91CB.tmp.exe
PID 4480 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\fel.exe C:\Users\Admin\AppData\Local\Temp\tmp91CB.tmp.exe
PID 4480 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\fel.exe C:\Users\Admin\AppData\Local\Temp\tmp91CB.tmp.exe

Processes

C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe

"C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.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=4104 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:8

C:\Users\Admin\AppData\Local\Temp\fel.exe

"C:\Users\Admin\AppData\Local\Temp\fel.exe"

C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe

C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe

C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe

C:\Users\Admin\AppData\Local\Temp\BF-TL-605877001.exe

C:\Users\Admin\AppData\Local\Temp\tmp91CB.tmp.exe

"C:\Users\Admin\AppData\Local\Temp\tmp91CB.tmp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 firstbaptiststjoe.org udp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 154.252.215.44.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 172.178.17.96.in-addr.arpa udp
US 44.215.252.154:443 firstbaptiststjoe.org tcp
US 8.8.8.8:53 api.ipify.org udp
US 172.67.74.152:443 api.ipify.org tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 152.74.67.172.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 66.29.151.236:587 tcp
US 8.8.8.8:53 236.151.29.66.in-addr.arpa udp
US 44.215.252.154:443 firstbaptiststjoe.org tcp

Files

memory/4288-0-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/4288-1-0x0000000000240000-0x00000000002BC000-memory.dmp

memory/4288-2-0x0000000004D50000-0x0000000004D60000-memory.dmp

memory/4288-3-0x0000000002660000-0x000000000266A000-memory.dmp

memory/4288-4-0x0000000005620000-0x0000000005820000-memory.dmp

memory/4288-5-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-6-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-8-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-10-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-12-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-14-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-16-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-18-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-20-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-22-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-24-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-26-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-28-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-30-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-32-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-34-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-36-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-38-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-40-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-42-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-46-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-44-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-48-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-50-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-52-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-54-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-56-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-58-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-60-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-62-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-64-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-66-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-68-0x0000000005620000-0x000000000581B000-memory.dmp

memory/4288-904-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/4288-1384-0x0000000004D50000-0x0000000004D60000-memory.dmp

memory/4288-4783-0x0000000000380000-0x0000000000381000-memory.dmp

memory/4288-4784-0x0000000000C90000-0x0000000000CD8000-memory.dmp

memory/4288-4785-0x0000000000CF0000-0x0000000000D3C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\fel.exe

MD5 b47c31e89b4cacc864b6279983b4ffc3
SHA1 b082036aa2adb45f2db952d8dcd200fe766cf3cf
SHA256 34109344250f9884f7414b7d31de4f6627d4378e0723446fa836b18b60e8ed84
SHA512 d4febd99d7a9c554aa091ba2a03508bfefcd27ae33f04920865b3802cddcdb1960001acbcb5fab8cf61dc7a1427158b432ffa1c47d377e9417377635a15c994e

memory/4480-4797-0x0000000000FE0000-0x0000000000FF0000-memory.dmp

memory/4288-4799-0x0000000006660000-0x0000000006C04000-memory.dmp

memory/4480-4798-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/4480-4800-0x0000000003370000-0x0000000003380000-memory.dmp

memory/4480-4801-0x0000000003350000-0x0000000003356000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BF-TL-605877001.exe.log

MD5 c3941d9fa38f1717d5cecd7a2ca71667
SHA1 33b5362675383b58b4166ed9f9a61e5aa6768d2e
SHA256 f1ed6ff1cd3df219061e32df1c75d6f48de6484cf50e5ea7d86cd8bcfcb93256
SHA512 98f103ef97d32bf8c0566a6f6da5cf8d58d18f698c1b3e5bd0be0ea8462f5fe54c2e5e6b5188f2b7d8f70082ffd6745b1f7f6cab95af474e2b7eaed50a9d9c45

memory/3032-4806-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/4288-4808-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/3032-4807-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3032-4809-0x00000000056F0000-0x0000000005700000-memory.dmp

memory/3032-4810-0x0000000005610000-0x0000000005676000-memory.dmp

memory/3032-4811-0x0000000006D20000-0x0000000006D70000-memory.dmp

memory/3032-4812-0x0000000006E10000-0x0000000006EAC000-memory.dmp

memory/3032-4813-0x0000000006EB0000-0x0000000006F42000-memory.dmp

memory/3032-4814-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp91CB.tmp.exe

MD5 3a44104fb5d035d1cd725732e94a5e8d
SHA1 cb3f89df88e1468bca9d5ca01d22588791884ecb
SHA256 dcb623cc7f3f21e92e4878c82ce79582fdf6ba1e5e0c76f19097d1496e6c4b08
SHA512 eebe4acc924ef0284d7303ae581d29e67f1f2c23042b3a42e37b3bccedc28d10e3370a4221a95dd07c6d930d5bfae606de3a954f625f13a0eedc2eca8921acc1

memory/4640-4827-0x0000000000100000-0x000000000017C000-memory.dmp

memory/4480-4828-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/4640-4830-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/4640-4831-0x0000000004A90000-0x0000000004AA0000-memory.dmp

memory/4640-4829-0x0000000004930000-0x000000000493A000-memory.dmp

memory/3032-4832-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/3032-4833-0x00000000056F0000-0x0000000005700000-memory.dmp

memory/4640-4834-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/4640-4835-0x0000000004A90000-0x0000000004AA0000-memory.dmp

memory/4640-4836-0x00000000053A0000-0x0000000005626000-memory.dmp