Malware Analysis Report

2024-10-19 08:43

Sample ID 240726-fj689s1bkh
Target a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe
SHA256 a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d
Tags
revengerat discovery stealer trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d

Threat Level: Known bad

The file a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe was found to be: Known bad.

Malicious Activity Summary

revengerat discovery stealer trojan upx

RevengeRAT

RevengeRat Executable

Checks computer location settings

UPX packed file

Loads dropped DLL

Executes dropped EXE

AutoIT Executable

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-26 04:55

Signatures

UPX packed file

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

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-26 04:55

Reported

2024-07-26 04:57

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe"

Signatures

RevengeRAT

trojan revengerat

RevengeRat Executable

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

UPX packed file

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

AutoIT Executable

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe

"C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe"

C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -72189998 -chipde -e37278fe332e42d1af33e4480ad52248 - -BLUB2 -mcpdgcgcwdnblwzx -2972

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 api.chip-secured-download.de udp
DE 116.203.169.158:80 api.chip-secured-download.de tcp
US 8.8.8.8:53 158.169.203.116.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 ocs2.chdi-server.de udp
DE 116.203.169.153:8080 ocs2.chdi-server.de tcp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 153.169.203.116.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 19.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2972-0-0x0000000000980000-0x0000000000BF6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

MD5 1b81fa48134378f2b8d54a41fcfcf0ca
SHA1 ff6fd97bcc603890c9bdffebe992a8b95d4f2686
SHA256 5e2931d27098e63b67126ec2e036d8e2f4e46814d8c777c0307e3eec3b947707
SHA512 b0a9ae05da6e73729cf61ba7e58015630bd69c508fbfaa8cd6d9d116b63def1c67e7298680aa8d6d99f20d77e91dd14d880466ba21a1062498fdf3687518c8cf

memory/1844-13-0x00007FFDDA8F3000-0x00007FFDDA8F5000-memory.dmp

memory/1844-14-0x00000000007B0000-0x0000000000812000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\DMR\mcpdgcgcwdnblwzx.dat

MD5 8c934b48a05955c6cc934925f4c01e7d
SHA1 b6300c8e23a440e85637a6e8f028ff25bee676d6
SHA256 51be55dd44a7d2c782ef432971878a64040aec99c5ec0b53ac92d72bb2645992
SHA512 199896d1482d91a24d896452b1a81b4c717a2781b0261aa7b32bd5fc38cdf84bf000d9487efa6bd799ae5b9b04019f5dd64bb174f5eec285d76aa9d8f3d1aa69

memory/1844-16-0x00007FFDDA8F0000-0x00007FFDDB3B1000-memory.dmp

memory/1844-17-0x00007FFDDA8F0000-0x00007FFDDB3B1000-memory.dmp

memory/1844-18-0x00007FFDDA8F0000-0x00007FFDDB3B1000-memory.dmp

memory/1844-19-0x00007FFDDA8F0000-0x00007FFDDB3B1000-memory.dmp

memory/2972-20-0x0000000000980000-0x0000000000BF6000-memory.dmp

memory/1844-22-0x000000001C130000-0x000000001C165000-memory.dmp

memory/1844-23-0x00007FFDDA8F0000-0x00007FFDDB3B1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-26 04:55

Reported

2024-07-26 04:57

Platform

win7-20240705-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe"

Signatures

RevengeRAT

trojan revengerat

RevengeRat Executable

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

UPX packed file

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

AutoIT Executable

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe

"C:\Users\Admin\AppData\Local\Temp\a202cfd031824705d38f624c23940126edf58c541d496a84eee7fbc13dde7d8d.exe"

C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

"C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -72189998 -chipde -e37278fe332e42d1af33e4480ad52248 - -BLUB2 -kdkrvlcfmcdcmyff -2676

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.chip-secured-download.de udp
DE 116.203.169.158:80 api.chip-secured-download.de tcp
US 8.8.8.8:53 ocs2.chdi-server.de udp
DE 116.203.169.153:8080 ocs2.chdi-server.de tcp

Files

memory/2676-0-0x0000000001210000-0x0000000001486000-memory.dmp

\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

MD5 1b81fa48134378f2b8d54a41fcfcf0ca
SHA1 ff6fd97bcc603890c9bdffebe992a8b95d4f2686
SHA256 5e2931d27098e63b67126ec2e036d8e2f4e46814d8c777c0307e3eec3b947707
SHA512 b0a9ae05da6e73729cf61ba7e58015630bd69c508fbfaa8cd6d9d116b63def1c67e7298680aa8d6d99f20d77e91dd14d880466ba21a1062498fdf3687518c8cf

memory/2700-16-0x000007FEF5D03000-0x000007FEF5D04000-memory.dmp

memory/2700-17-0x0000000001320000-0x0000000001382000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\DMR\kdkrvlcfmcdcmyff.dat

MD5 8c934b48a05955c6cc934925f4c01e7d
SHA1 b6300c8e23a440e85637a6e8f028ff25bee676d6
SHA256 51be55dd44a7d2c782ef432971878a64040aec99c5ec0b53ac92d72bb2645992
SHA512 199896d1482d91a24d896452b1a81b4c717a2781b0261aa7b32bd5fc38cdf84bf000d9487efa6bd799ae5b9b04019f5dd64bb174f5eec285d76aa9d8f3d1aa69

memory/2700-19-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

memory/2700-20-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

memory/2700-21-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

memory/2700-22-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

memory/2700-23-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

memory/2676-24-0x0000000001210000-0x0000000001486000-memory.dmp

memory/2700-25-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp