Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
12-12-2023 07:27
Static task
static1
Behavioral task
behavioral1
Sample
Enquiry23-789.exe
Resource
win7-20231020-en
General
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Target
Enquiry23-789.exe
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Size
646KB
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MD5
fd4f5db156867b51baf72ce10cb1a486
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SHA1
d1c1ce8f0bf2bb7445610333ded67c4759209289
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SHA256
1ff764ec5a79ed2072a558af6de49b863e9e5683e63b3c070e86c9d1b7814f4d
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SHA512
f013a7c900d5f11fe041d88423c07efcbf31fcdc400da00db8be661ddedd5f7913083c3faf5ee6d49ab97741389a21e82c2050870677afc3383b7d5436bc92cb
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SSDEEP
12288:aH3IU8S6eUdsifKXhLvlg8J3PE1Nfjhm6MqOdWK3TLiMl:aXItSAdsiohRgWYHmaOMK33Bl
Malware Config
Extracted
Protocol: smtp- Host:
mail.jpedindia.com - Port:
587 - Username:
[email protected] - Password:
tny268@as
Extracted
agenttesla
Protocol: smtp- Host:
mail.jpedindia.com - Port:
587 - Username:
[email protected] - Password:
tny268@as - 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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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/4448-6-0x0000000005320000-0x0000000005338000-memory.dmp family_zgrat_v1 -
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.
flow ioc 48 api.ipify.org 49 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4448 set thread context of 3244 4448 Enquiry23-789.exe 101 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3244 Enquiry23-789.exe 3244 Enquiry23-789.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3244 Enquiry23-789.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4448 wrote to memory of 3244 4448 Enquiry23-789.exe 101 PID 4448 wrote to memory of 3244 4448 Enquiry23-789.exe 101 PID 4448 wrote to memory of 3244 4448 Enquiry23-789.exe 101 PID 4448 wrote to memory of 3244 4448 Enquiry23-789.exe 101 PID 4448 wrote to memory of 3244 4448 Enquiry23-789.exe 101 PID 4448 wrote to memory of 3244 4448 Enquiry23-789.exe 101 PID 4448 wrote to memory of 3244 4448 Enquiry23-789.exe 101 PID 4448 wrote to memory of 3244 4448 Enquiry23-789.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\Enquiry23-789.exe"C:\Users\Admin\AppData\Local\Temp\Enquiry23-789.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4448 -
C:\Users\Admin\AppData\Local\Temp\Enquiry23-789.exe"C:\Users\Admin\AppData\Local\Temp\Enquiry23-789.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3244
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3