Analysis
-
max time kernel
135s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
-
submitted
06-02-2023 17:45
General
-
Target
FedEx shipping document.exe
-
Size
846KB
-
MD5
7a6af1b4855bfaba6d38d4aa6d4e91d7
-
SHA1
85e56d167ef2dc37ab32518fb76053cdbc71f761
-
SHA256
a711464d37093f263124045746c939781092dd64f1cc61da7dadd4cc57798ffe
-
SHA512
060c0eb59b89de8e3dcaf9411168469ec3bc021bd67b8193201e0c7ea76b4479998310ee495b5dd2d1ee717d2878de2fe6f293873747ce42ca8efb09bf436ed2
-
SSDEEP
24576:mA3kkt1uWNhYmlscAPKgt17sZ0PWlQErxN5IC54TWMV:ZTt1hYq6P9b7u0+l3tgi
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5015424630:AAHYFU1sKtYqSORHBErFCWNjJz1TpXKj30w/sendDocument
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla payload 1 IoCs
-
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
-
Suspicious use of SetThreadContext 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
-
Suspicious use of WriteProcessMemory 8 IoCs
-
outlook_office_path 1 IoCs
-
outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\FedEx shipping document.exe"C:\Users\Admin\AppData\Local\Temp\FedEx shipping document.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\FedEx shipping document.exe"C:\Users\Admin\AppData\Local\Temp\FedEx shipping document.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FedEx shipping document.exe.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
-
memory/2984-137-0x0000000000000000-mapping.dmp
-
memory/2984-138-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/2984-140-0x00000000062A0000-0x0000000006306000-memory.dmpFilesize
408KB
-
memory/2984-141-0x00000000067E0000-0x0000000006830000-memory.dmpFilesize
320KB
-
memory/4824-132-0x0000000000890000-0x0000000000968000-memory.dmpFilesize
864KB
-
memory/4824-133-0x0000000005980000-0x0000000005F24000-memory.dmpFilesize
5.6MB
-
memory/4824-134-0x00000000052E0000-0x0000000005372000-memory.dmpFilesize
584KB
-
memory/4824-135-0x0000000005390000-0x000000000539A000-memory.dmpFilesize
40KB
-
memory/4824-136-0x0000000008FF0000-0x000000000908C000-memory.dmpFilesize
624KB