Overview
overview
10Static
static
10Stealer.zip
windows10-2004-x64
1Mono.Cecil.Mdb.dll
windows10-2004-x64
1Mono.Cecil.Mdb.pdb
windows10-2004-x64
3Mono.Cecil.Pdb.dll
windows10-2004-x64
5Mono.Cecil.Pdb.pdb
windows10-2004-x64
3Mono.Cecil.Rocks.dll
windows10-2004-x64
1Mono.Cecil.Rocks.pdb
windows10-2004-x64
3Mono.Cecil.dll
windows10-2004-x64
5Mono.Cecil.pdb
windows10-2004-x64
3Umbral Builder.exe
windows10-2004-x64
1Umbral Bui...config
windows10-2004-x64
3Umbral Builder.pdb
windows10-2004-x64
3Umbral.exe
windows10-2004-x64
10Vestris.Re...ib.dll
windows10-2004-x64
1jose-jwt.dll
windows10-2004-x64
5Analysis
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max time kernel
487s -
max time network
492s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
28-06-2023 09:47
Behavioral task
behavioral1
Sample
Stealer.zip
Resource
win10v2004-20230621-en
Behavioral task
behavioral2
Sample
Mono.Cecil.Mdb.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral3
Sample
Mono.Cecil.Mdb.pdb
Resource
win10v2004-20230621-en
Behavioral task
behavioral4
Sample
Mono.Cecil.Pdb.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral5
Sample
Mono.Cecil.Pdb.pdb
Resource
win10v2004-20230621-en
Behavioral task
behavioral6
Sample
Mono.Cecil.Rocks.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral7
Sample
Mono.Cecil.Rocks.pdb
Resource
win10v2004-20230621-en
Behavioral task
behavioral8
Sample
Mono.Cecil.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral9
Sample
Mono.Cecil.pdb
Resource
win10v2004-20230621-en
Behavioral task
behavioral10
Sample
Umbral Builder.exe
Resource
win10v2004-20230621-en
Behavioral task
behavioral11
Sample
Umbral Builder.exe.config
Resource
win10v2004-20230621-en
Behavioral task
behavioral12
Sample
Umbral Builder.pdb
Resource
win10v2004-20230621-en
Behavioral task
behavioral13
Sample
Umbral.exe
Resource
win10v2004-20230621-en
Behavioral task
behavioral14
Sample
Vestris.ResourceLib.dll
Resource
win10v2004-20230621-en
Behavioral task
behavioral15
Sample
jose-jwt.dll
Resource
win10v2004-20230621-en
General
-
Target
Mono.Cecil.Rocks.pdb
-
Size
8KB
-
MD5
4c98b54bf658db95dfb4d1ae6bed2565
-
SHA1
c5a0035a75f52addeb730102fd67d3c63fe1c815
-
SHA256
5fcf9491b8d73f1f90a83ee7bda9097043903ba18822f1f22eacf92338b0d619
-
SHA512
72cf714bc20660f2ab18fbcd74b84e9aa7d85fe77482ebd3b135c5c6db0dc7ab2523c418ca3ff44f301eec66742cea3c11e6c9575bf9cec90906d60a156291b0
-
SSDEEP
192:bAHD2V/OLaMD04CRS68yhpMqxauyKixCEyKKJA5es:bOC02bHR7ZpMqxnyZx90A0s
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1880 OpenWith.exe
Processes
Network
-
Remote address:8.8.8.8:53Request240.221.184.93.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request54.120.234.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request45.8.109.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request47.125.24.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request216.74.101.95.in-addr.arpaIN PTRResponse216.74.101.95.in-addr.arpaIN PTRa95-101-74-216deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request26.35.223.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request27.178.89.13.in-addr.arpaIN PTRResponse
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73 B 144 B 1 1
DNS Request
240.221.184.93.in-addr.arpa
-
73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
-
72 B 158 B 1 1
DNS Request
54.120.234.20.in-addr.arpa
-
70 B 144 B 1 1
DNS Request
45.8.109.52.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
47.125.24.20.in-addr.arpa
-
72 B 137 B 1 1
DNS Request
216.74.101.95.in-addr.arpa
-
71 B 157 B 1 1
DNS Request
26.35.223.20.in-addr.arpa
-
71 B 145 B 1 1
DNS Request
27.178.89.13.in-addr.arpa