Analysis
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max time kernel
91s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231201-en -
resource tags
arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system -
submitted
08-12-2023 02:28
Static task
static1
Behavioral task
behavioral1
Sample
ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe
Resource
win10v2004-20231201-en
General
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Target
ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe
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Size
430KB
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MD5
ce4d9bc9c425d82622bb341ca1cdf172
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SHA1
f4f0be627f02567e8724763ae4288875a6716887
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SHA256
ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce
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SHA512
c65ae729167902aad9b6e069ddb79cd265e71cd3a7dd7c3e7a281bdd0647855f84a25e823202d5c9ccab47f17a6c286d1fbfdcca9aa069e83c81348f45fc6ba2
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SSDEEP
6144:16jvs0FpwPBetM3JUlG0vK7Ihj/Tn5aC259Y83wgDeEZ/LnZsKD2FoW3ZpicfaII:16jvs07CeCJ6xCKjjIT/YuwiADZp/t1
Malware Config
Extracted
Protocol: smtp- Host:
server1.sqsendy.shop - Port:
587 - Username:
[email protected] - Password:
O4{S#5MLFM!Z
Extracted
agenttesla
Protocol: smtp- Host:
server1.sqsendy.shop - Port:
587 - Username:
[email protected] - Password:
O4{S#5MLFM!Z - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2192493100-457715857-1189582111-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuuogwi = "C:\\Users\\Admin\\AppData\\Roaming\\yuuogwi.exe" ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 39 api.ipify.org 41 ip-api.com 35 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1448 set thread context of 5060 1448 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 91 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5060 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 5060 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1448 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe Token: SeDebugPrivilege 5060 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1448 wrote to memory of 5060 1448 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 91 PID 1448 wrote to memory of 5060 1448 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 91 PID 1448 wrote to memory of 5060 1448 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 91 PID 1448 wrote to memory of 5060 1448 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 91 PID 1448 wrote to memory of 5060 1448 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 91 PID 1448 wrote to memory of 5060 1448 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 91 PID 1448 wrote to memory of 5060 1448 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 91 PID 1448 wrote to memory of 5060 1448 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe"C:\Users\Admin\AppData\Local\Temp\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Users\Admin\AppData\Local\Temp\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exeC:\Users\Admin\AppData\Local\Temp\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5060
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe.log
Filesize927B
MD54a911455784f74e368a4c2c7876d76f4
SHA1a1700a0849ffb4f26671eb76da2489946b821c34
SHA256264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
SHA5124617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d