Analysis
-
max time kernel
305s -
max time network
290s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
28-09-2023 14:23
Static task
static1
Behavioral task
behavioral1
Sample
install-tool.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
install-tool.exe
Resource
win10v2004-20230915-en
General
-
Target
install-tool.exe
-
Size
300.3MB
-
MD5
8457f42f2b8a1f46daea28e16a235b61
-
SHA1
0b52c51bf6dac23155ec45e7d83119ff313f318d
-
SHA256
8f536b3f85b999cf0a899de83523c8fea56647e6be6880fbbc7856e1cb802902
-
SHA512
f33d6dd31c6896c32cd386ca5fc5ed5d931aae76dcd04648ea6e941851ac6bcb63fdfcd42b975702c35471ef53cd8cf6ee7c285e09e96152516c4096e7498db3
-
SSDEEP
49152:TzZa6Jr7GhXX7KbAC0yz+444444444444444444444444444444444444444444z:Te
Malware Config
Signatures
-
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
install-tool.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation install-tool.exe -
Executes dropped EXE 2 IoCs
Processes:
ebook-dist-x64.exeebook-dist-x64.tmppid process 2772 ebook-dist-x64.exe 4348 ebook-dist-x64.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
install-tool.exepid process 5076 install-tool.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
install-tool.exedescription pid process Token: SeDebugPrivilege 5076 install-tool.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
install-tool.exeebook-dist-x64.exedescription pid process target process PID 5076 wrote to memory of 2772 5076 install-tool.exe ebook-dist-x64.exe PID 5076 wrote to memory of 2772 5076 install-tool.exe ebook-dist-x64.exe PID 5076 wrote to memory of 2772 5076 install-tool.exe ebook-dist-x64.exe PID 2772 wrote to memory of 4348 2772 ebook-dist-x64.exe ebook-dist-x64.tmp PID 2772 wrote to memory of 4348 2772 ebook-dist-x64.exe ebook-dist-x64.tmp PID 2772 wrote to memory of 4348 2772 ebook-dist-x64.exe ebook-dist-x64.tmp
Processes
-
C:\Users\Admin\AppData\Local\Temp\install-tool.exe"C:\Users\Admin\AppData\Local\Temp\install-tool.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5076 -
C:\Users\Admin\AppData\Local\Temp\ebook-dist-x64.exe"C:\Users\Admin\AppData\Local\Temp\ebook-dist-x64.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2772 -
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"3⤵
- Executes dropped EXE
PID:4348
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
31.1MB
MD5d981b636517520e988bdf81f029ff5b3
SHA11110ada7f4bc30860f74f2831a5e5efec29d5dfa
SHA256c776113e56723033824999fcbc2c9478fde4c47301ab2f1741844170a797c364
SHA5121a2164ef6aeaba79fd1492e528e5ea1770a2de6e69af7aed18ce9f9f0a42856cab4b1879bf16313fce632f00cfee645912dc56c46d848e77cc024952b3da8066
-
Filesize
31.1MB
MD5d981b636517520e988bdf81f029ff5b3
SHA11110ada7f4bc30860f74f2831a5e5efec29d5dfa
SHA256c776113e56723033824999fcbc2c9478fde4c47301ab2f1741844170a797c364
SHA5121a2164ef6aeaba79fd1492e528e5ea1770a2de6e69af7aed18ce9f9f0a42856cab4b1879bf16313fce632f00cfee645912dc56c46d848e77cc024952b3da8066
-
Filesize
31.1MB
MD5d981b636517520e988bdf81f029ff5b3
SHA11110ada7f4bc30860f74f2831a5e5efec29d5dfa
SHA256c776113e56723033824999fcbc2c9478fde4c47301ab2f1741844170a797c364
SHA5121a2164ef6aeaba79fd1492e528e5ea1770a2de6e69af7aed18ce9f9f0a42856cab4b1879bf16313fce632f00cfee645912dc56c46d848e77cc024952b3da8066
-
Filesize
1.2MB
MD5e31050ceefad4c7ec2918e4a0097cbe9
SHA1a62e163a9e1dcaec82a00401ac03e893facbd767
SHA25636d4a12f3fcd9468a87c44f9483af3d372f690942a9a39ec8347b31f659b768e
SHA51202daac35cb090a98021c58f80479f2e6f3083bf3c89f84e32329f9f96656b3194ddb17ac462aae5664d61590952ce060d63fb63dbaf15ffd4740e1ad4a2cde24