Analysis
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max time kernel
121s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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-1-5-21-3627615824-4061627003-3019543961-1000\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 4 api.ipify.org 5 api.ipify.org 6 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1976 set thread context of 2880 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2880 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 2880 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe Token: SeDebugPrivilege 2880 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1976 wrote to memory of 2880 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 28 PID 1976 wrote to memory of 2880 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 28 PID 1976 wrote to memory of 2880 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 28 PID 1976 wrote to memory of 2880 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 28 PID 1976 wrote to memory of 2880 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 28 PID 1976 wrote to memory of 2880 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 28 PID 1976 wrote to memory of 2880 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 28 PID 1976 wrote to memory of 2880 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 28 PID 1976 wrote to memory of 2880 1976 ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe 28
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:1976 -
C:\Users\Admin\AppData\Local\Temp\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exeC:\Users\Admin\AppData\Local\Temp\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06