Malware Analysis Report

2024-10-16 02:55

Sample ID 230928-rqhp2adc95
Target install-tool.exe.zip
SHA256 c2cae791772a0de0c4477bec746fb2e1d88961b294d7f2847cfc6563c2202c8f
Tags
score
8/10

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
8/10

SHA256

c2cae791772a0de0c4477bec746fb2e1d88961b294d7f2847cfc6563c2202c8f

Threat Level: Likely malicious

The file install-tool.exe.zip was found to be: Likely malicious.

Malicious Activity Summary


Downloads MZ/PE file

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-28 14:24

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-28 14:23

Reported

2023-09-28 14:30

Platform

win7-20230831-en

Max time kernel

121s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\install-tool.exe"

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3028 wrote to memory of 1152 N/A C:\Users\Admin\AppData\Local\Temp\install-tool.exe C:\Windows\system32\WerFault.exe
PID 3028 wrote to memory of 1152 N/A C:\Users\Admin\AppData\Local\Temp\install-tool.exe C:\Windows\system32\WerFault.exe
PID 3028 wrote to memory of 1152 N/A C:\Users\Admin\AppData\Local\Temp\install-tool.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\install-tool.exe

"C:\Users\Admin\AppData\Local\Temp\install-tool.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3028 -s 516

Network

N/A

Files

memory/3028-0-0x000007FEF5A60000-0x000007FEF644C000-memory.dmp

memory/3028-1-0x000000013FEC0000-0x0000000140EC0000-memory.dmp

memory/3028-2-0x000007FEF5A60000-0x000007FEF644C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-28 14:23

Reported

2023-09-28 14:30

Platform

win10v2004-20230915-en

Max time kernel

305s

Max time network

290s

Command Line

"C:\Users\Admin\AppData\Local\Temp\install-tool.exe"

Signatures

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\install-tool.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ebook-dist-x64.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-F9043.tmp\ebook-dist-x64.tmp N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\install-tool.exe

"C:\Users\Admin\AppData\Local\Temp\install-tool.exe"

C:\Users\Admin\AppData\Local\Temp\ebook-dist-x64.exe

"C:\Users\Admin\AppData\Local\Temp\ebook-dist-x64.exe"

C:\Users\Admin\AppData\Local\Temp\is-F9043.tmp\ebook-dist-x64.tmp

"C:\Users\Admin\AppData\Local\Temp\is-F9043.tmp\ebook-dist-x64.tmp" /SL5="$90228,31984858,231424,C:\Users\Admin\AppData\Local\Temp\ebook-dist-x64.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
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 8.8.8.8:53 155.245.36.23.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 download.icecreamapps.com udp
US 108.59.9.105:443 download.icecreamapps.com tcp
US 8.8.8.8:53 105.9.59.108.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 254.20.238.8.in-addr.arpa udp
DK 146.70.92.153:80 146.70.92.153 tcp
US 8.8.8.8:53 153.92.70.146.in-addr.arpa udp
US 8.8.8.8:53 23.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 9.57.101.20.in-addr.arpa udp
DK 146.70.92.153:80 146.70.92.153 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/5076-0-0x00007FFA333E0000-0x00007FFA33EA1000-memory.dmp

memory/5076-1-0x0000000000E40000-0x0000000001E40000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bew2kdak.eah.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/5076-11-0x000000002F590000-0x000000002F5A0000-memory.dmp

memory/5076-12-0x000000002F500000-0x000000002F522000-memory.dmp

memory/5076-13-0x00007FFA333E0000-0x00007FFA33EA1000-memory.dmp

memory/5076-14-0x000000002F590000-0x000000002F5A0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ebook-dist-x64.exe

MD5 d981b636517520e988bdf81f029ff5b3
SHA1 1110ada7f4bc30860f74f2831a5e5efec29d5dfa
SHA256 c776113e56723033824999fcbc2c9478fde4c47301ab2f1741844170a797c364
SHA512 1a2164ef6aeaba79fd1492e528e5ea1770a2de6e69af7aed18ce9f9f0a42856cab4b1879bf16313fce632f00cfee645912dc56c46d848e77cc024952b3da8066

C:\Users\Admin\AppData\Local\Temp\ebook-dist-x64.exe

MD5 d981b636517520e988bdf81f029ff5b3
SHA1 1110ada7f4bc30860f74f2831a5e5efec29d5dfa
SHA256 c776113e56723033824999fcbc2c9478fde4c47301ab2f1741844170a797c364
SHA512 1a2164ef6aeaba79fd1492e528e5ea1770a2de6e69af7aed18ce9f9f0a42856cab4b1879bf16313fce632f00cfee645912dc56c46d848e77cc024952b3da8066

memory/5076-25-0x0000000032130000-0x00000000321D6000-memory.dmp

memory/2772-27-0x0000000000400000-0x0000000000442000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ebook-dist-x64.exe

MD5 d981b636517520e988bdf81f029ff5b3
SHA1 1110ada7f4bc30860f74f2831a5e5efec29d5dfa
SHA256 c776113e56723033824999fcbc2c9478fde4c47301ab2f1741844170a797c364
SHA512 1a2164ef6aeaba79fd1492e528e5ea1770a2de6e69af7aed18ce9f9f0a42856cab4b1879bf16313fce632f00cfee645912dc56c46d848e77cc024952b3da8066

C:\Users\Admin\AppData\Local\Temp\is-F9043.tmp\ebook-dist-x64.tmp

MD5 e31050ceefad4c7ec2918e4a0097cbe9
SHA1 a62e163a9e1dcaec82a00401ac03e893facbd767
SHA256 36d4a12f3fcd9468a87c44f9483af3d372f690942a9a39ec8347b31f659b768e
SHA512 02daac35cb090a98021c58f80479f2e6f3083bf3c89f84e32329f9f96656b3194ddb17ac462aae5664d61590952ce060d63fb63dbaf15ffd4740e1ad4a2cde24

memory/4348-33-0x00000000022E0000-0x00000000022E1000-memory.dmp

memory/2772-35-0x0000000000400000-0x0000000000442000-memory.dmp

memory/4348-36-0x0000000000400000-0x0000000000548000-memory.dmp

memory/4348-37-0x00000000022E0000-0x00000000022E1000-memory.dmp