Malware Analysis Report

2025-03-15 01:45

Sample ID 230910-rmjg6ahf78
Target 83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41
SHA256 83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41
Tags
redline virad infostealer persistence
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 Overview

score
10/10

SHA256

83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41

Threat Level: Known bad

The file 83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41 was found to be: Known bad.

Malicious Activity Summary

redline virad infostealer persistence

RedLine

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-10 14:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-10 14:18

Reported

2023-09-10 14:21

Platform

win10v2004-20230831-en

Max time kernel

138s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41.exe"

Signatures

RedLine

infostealer redline

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4884 wrote to memory of 4272 N/A C:\Users\Admin\AppData\Local\Temp\83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe
PID 4884 wrote to memory of 4272 N/A C:\Users\Admin\AppData\Local\Temp\83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe
PID 4884 wrote to memory of 4272 N/A C:\Users\Admin\AppData\Local\Temp\83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe
PID 4272 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe
PID 4272 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe
PID 4272 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe
PID 1424 wrote to memory of 412 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe
PID 1424 wrote to memory of 412 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe
PID 1424 wrote to memory of 412 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe
PID 1424 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe
PID 1424 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe
PID 1424 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe

Processes

C:\Users\Admin\AppData\Local\Temp\83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41.exe

"C:\Users\Admin\AppData\Local\Temp\83b609fecf6c588e59fa26034b0488c6c4e80e591bf22a60efb905f5b94fad41.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 126.153.27.67.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
RU 5.42.92.211:80 5.42.92.211 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 211.92.42.5.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
FI 77.91.124.82:19071 tcp
US 8.8.8.8:53 10.179.89.13.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe

MD5 5521c57331da83588edd161eba7b6e1d
SHA1 7e4e5a63cb2508d8ad565f37a45cbbc6a1087d7d
SHA256 870486730212aeed0fc73582b427f4a6509c81ff6e3c32009064c6a6bb521679
SHA512 11d77e8f1d050c533f62005457dea2dd25ccd0a87349b595d8fdb165962f9845d944415700a1b18de2114d91567d4f2c222e0ff1cc247a707e8c7a224e05ef33

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4570683.exe

MD5 5521c57331da83588edd161eba7b6e1d
SHA1 7e4e5a63cb2508d8ad565f37a45cbbc6a1087d7d
SHA256 870486730212aeed0fc73582b427f4a6509c81ff6e3c32009064c6a6bb521679
SHA512 11d77e8f1d050c533f62005457dea2dd25ccd0a87349b595d8fdb165962f9845d944415700a1b18de2114d91567d4f2c222e0ff1cc247a707e8c7a224e05ef33

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe

MD5 442193484f56815ccc4eeb90f560e34f
SHA1 d23becbf851de8c659036e97974821e86749b96a
SHA256 218a65c19f5af779d5d1d66c3b41c9ad3e6282f9d904b1caf702e96227cddeb5
SHA512 6c06b907011e5c93e5d6a6f71a08d255dca25ded91aff0bb63aaf872244ec409a41dc6d7222c60545786d175a11b26bf9cd61b69302fd217b0e286b99f436c6a

C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y5142820.exe

MD5 442193484f56815ccc4eeb90f560e34f
SHA1 d23becbf851de8c659036e97974821e86749b96a
SHA256 218a65c19f5af779d5d1d66c3b41c9ad3e6282f9d904b1caf702e96227cddeb5
SHA512 6c06b907011e5c93e5d6a6f71a08d255dca25ded91aff0bb63aaf872244ec409a41dc6d7222c60545786d175a11b26bf9cd61b69302fd217b0e286b99f436c6a

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe

MD5 805672335f1b392ab7ab697d7b2ae90d
SHA1 5f60ce6614bc9066b14115e1cbed72545ab95d80
SHA256 f0c08b9269ceb94a9c569dcfc1778ca6be3ab9ff89f29ece239a2f33bef6e552
SHA512 fda5a6d0a041c099ec3b13d004446c3aff08d3930f14f270ca2588f3ebf735fc2045ed79dd6a23a28db2be0cbc5ae6e776b8664bd60c4585ac746c523008b8d6

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5364919.exe

MD5 805672335f1b392ab7ab697d7b2ae90d
SHA1 5f60ce6614bc9066b14115e1cbed72545ab95d80
SHA256 f0c08b9269ceb94a9c569dcfc1778ca6be3ab9ff89f29ece239a2f33bef6e552
SHA512 fda5a6d0a041c099ec3b13d004446c3aff08d3930f14f270ca2588f3ebf735fc2045ed79dd6a23a28db2be0cbc5ae6e776b8664bd60c4585ac746c523008b8d6

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe

MD5 b7f8850dc9000b7ebf82fc9dca9cbfb8
SHA1 34dd4ea44d9c0a42cbbb6c504b0fa8ecb6b2687e
SHA256 8d1a914cde94e96215838f49ec0debd837562fc50665c4a14356e8b5cf660a93
SHA512 dc25036e5d12924c17aecfd5d9c06b54fc21b4392b9a6396455f261d7bf48d4198cec2ef22c1a91c2d619a28e323f818a6b512471b6c4f5125f3a518a0a7d6e6

C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n2420203.exe

MD5 b7f8850dc9000b7ebf82fc9dca9cbfb8
SHA1 34dd4ea44d9c0a42cbbb6c504b0fa8ecb6b2687e
SHA256 8d1a914cde94e96215838f49ec0debd837562fc50665c4a14356e8b5cf660a93
SHA512 dc25036e5d12924c17aecfd5d9c06b54fc21b4392b9a6396455f261d7bf48d4198cec2ef22c1a91c2d619a28e323f818a6b512471b6c4f5125f3a518a0a7d6e6

memory/2220-24-0x0000000000350000-0x0000000000380000-memory.dmp

memory/2220-25-0x0000000073CD0000-0x0000000074480000-memory.dmp

memory/2220-26-0x000000000A790000-0x000000000ADA8000-memory.dmp

memory/2220-27-0x000000000A300000-0x000000000A40A000-memory.dmp

memory/2220-29-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

memory/2220-28-0x000000000A240000-0x000000000A252000-memory.dmp

memory/2220-30-0x000000000A2A0000-0x000000000A2DC000-memory.dmp

memory/2220-31-0x0000000073CD0000-0x0000000074480000-memory.dmp

memory/2220-32-0x0000000004CE0000-0x0000000004CF0000-memory.dmp