Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2024 11:30
Static task
static1
Behavioral task
behavioral1
Sample
CV Mariana Alvarez.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
CV Mariana Alvarez.exe
Resource
win10v2004-20240226-en
General
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Target
CV Mariana Alvarez.exe
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Size
670KB
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MD5
a7b5278a3cb702e9a35e81e9499b02f6
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SHA1
27e6ea7acc6866cf0b33e74aa0b14c397c207a70
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SHA256
a04149b5e4fd34db0eb6dbbb815f47a09700cdb6b899e59b9a9771d5cd6f4ff7
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SHA512
da4efef37a8b66cd37073db159b8c31648501e58ba67c9a64d7c59d82828fb9649ed6d5317ca412a3c5e478f06982e319709128b314a1ab35a8a3cc5179a78b8
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SSDEEP
12288:li0YOwqgsH+MgpRYV9zNwA7NAY4zr/blj1GVyQ3s2wd0rTCbBUEBGl:YO7beMkOla3Rcl3yC2bBUE4
Malware Config
Extracted
Protocol: smtp- Host:
smtp.flying-fish-cn.com - Port:
587 - Username:
office@flying-fish-cn.com - Password:
hkk999@@@
Extracted
agenttesla
Protocol: smtp- Host:
smtp.flying-fish-cn.com - Port:
587 - Username:
office@flying-fish-cn.com - Password:
hkk999@@@ - Email To:
office@flying-fish-cn.com
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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 24 api.ipify.org 25 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
CV Mariana Alvarez.exedescription pid process target process PID 2548 set thread context of 1116 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
Processes:
CV Mariana Alvarez.exeCV Mariana Alvarez.exepid process 2548 CV Mariana Alvarez.exe 2548 CV Mariana Alvarez.exe 2548 CV Mariana Alvarez.exe 2548 CV Mariana Alvarez.exe 2548 CV Mariana Alvarez.exe 2548 CV Mariana Alvarez.exe 2548 CV Mariana Alvarez.exe 2548 CV Mariana Alvarez.exe 2548 CV Mariana Alvarez.exe 2548 CV Mariana Alvarez.exe 2548 CV Mariana Alvarez.exe 1116 CV Mariana Alvarez.exe 1116 CV Mariana Alvarez.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
CV Mariana Alvarez.exeCV Mariana Alvarez.exedescription pid process Token: SeDebugPrivilege 2548 CV Mariana Alvarez.exe Token: SeDebugPrivilege 1116 CV Mariana Alvarez.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
CV Mariana Alvarez.exedescription pid process target process PID 2548 wrote to memory of 2992 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe PID 2548 wrote to memory of 2992 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe PID 2548 wrote to memory of 2992 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe PID 2548 wrote to memory of 1116 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe PID 2548 wrote to memory of 1116 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe PID 2548 wrote to memory of 1116 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe PID 2548 wrote to memory of 1116 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe PID 2548 wrote to memory of 1116 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe PID 2548 wrote to memory of 1116 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe PID 2548 wrote to memory of 1116 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe PID 2548 wrote to memory of 1116 2548 CV Mariana Alvarez.exe CV Mariana Alvarez.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"C:\Users\Admin\AppData\Local\Temp\CV Mariana Alvarez.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CV Mariana Alvarez.exe.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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memory/1116-12-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/1116-21-0x00000000032E0000-0x00000000032F0000-memory.dmpFilesize
64KB
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memory/1116-20-0x0000000075350000-0x0000000075B00000-memory.dmpFilesize
7.7MB
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memory/1116-19-0x0000000006E50000-0x0000000006EA0000-memory.dmpFilesize
320KB
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memory/1116-18-0x00000000032E0000-0x00000000032F0000-memory.dmpFilesize
64KB
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memory/1116-16-0x0000000005A50000-0x0000000005AB6000-memory.dmpFilesize
408KB
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memory/1116-15-0x0000000075350000-0x0000000075B00000-memory.dmpFilesize
7.7MB
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memory/2548-5-0x0000000005130000-0x000000000513A000-memory.dmpFilesize
40KB
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memory/2548-9-0x0000000007A80000-0x0000000007B1C000-memory.dmpFilesize
624KB
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memory/2548-10-0x0000000075350000-0x0000000075B00000-memory.dmpFilesize
7.7MB
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memory/2548-11-0x0000000005040000-0x0000000005050000-memory.dmpFilesize
64KB
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memory/2548-8-0x0000000006700000-0x0000000006782000-memory.dmpFilesize
520KB
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memory/2548-7-0x00000000062F0000-0x00000000062FC000-memory.dmpFilesize
48KB
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memory/2548-17-0x0000000075350000-0x0000000075B00000-memory.dmpFilesize
7.7MB
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memory/2548-6-0x00000000066E0000-0x00000000066FA000-memory.dmpFilesize
104KB
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memory/2548-1-0x0000000075350000-0x0000000075B00000-memory.dmpFilesize
7.7MB
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memory/2548-4-0x0000000005040000-0x0000000005050000-memory.dmpFilesize
64KB
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memory/2548-3-0x0000000005090000-0x0000000005122000-memory.dmpFilesize
584KB
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memory/2548-2-0x0000000005730000-0x0000000005CD4000-memory.dmpFilesize
5.6MB
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memory/2548-0-0x0000000000630000-0x00000000006DE000-memory.dmpFilesize
696KB