Analysis
- max time kernel
139s - max time network
168s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
07/06/2024, 01:53
General
- Target 61e4823faa69b7e5acc99c7622c92da66cfb195bf65678ee3bf3a8265e635616.exe
- Size 60KB
- Sample240607-ca3b6sff9v
- SHA256 61e4823faa69b7e5acc99c7622c92da66cfb195bf65678ee3bf3a8265e635616
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.gravotech.cl
-
Port
587
-
Username
-
Password
gravotech2020+
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.gravotech.cl
-
Port
587
-
Username
-
Password
gravotech2020+
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- PureLog Stealer
PureLog Stealer is an infostealer written in C#.
- PureLog Stealer payload 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\61e4823faa69b7e5acc99c7622c92da66cfb195bf65678ee3bf3a8265e635616.exe"C:\Users\Admin\AppData\Local\Temp\61e4823faa69b7e5acc99c7622c92da66cfb195bf65678ee3bf3a8265e635616.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\61e4823faa69b7e5acc99c7622c92da66cfb195bf65678ee3bf3a8265e635616.exe"C:\Users\Admin\AppData\Local\Temp\61e4823faa69b7e5acc99c7622c92da66cfb195bf65678ee3bf3a8265e635616.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4056 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
61e4823faa69b7e5acc99c7622c92da66cfb195bf65678ee3bf3a8265e635616.exe.log
memory/1028-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp
memory/1028-1-0x0000000000B20000-0x0000000000B34000-memory.dmp
memory/1028-2-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/1028-3-0x00000000054B0000-0x00000000054B6000-memory.dmp
memory/1028-4-0x0000000007900000-0x0000000007B30000-memory.dmp
memory/1028-5-0x00000000080E0000-0x0000000008684000-memory.dmp
memory/1028-6-0x0000000007BD0000-0x0000000007C62000-memory.dmp
memory/1028-10-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-24-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-42-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-68-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-62-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-60-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-58-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-56-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-70-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-66-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-64-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-52-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-50-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-48-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-46-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-44-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-40-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-38-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-36-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-34-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-32-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-31-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-26-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-54-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-28-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-22-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-20-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-18-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-16-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-14-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-12-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-8-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-7-0x0000000007900000-0x0000000007B2B000-memory.dmp
memory/1028-4893-0x0000000074E0E000-0x0000000074E0F000-memory.dmp
memory/1028-4894-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/1028-4896-0x0000000001380000-0x00000000013CC000-memory.dmp
memory/1028-4895-0x0000000001310000-0x000000000137C000-memory.dmp
memory/1028-4897-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/1028-4898-0x0000000001470000-0x00000000014C4000-memory.dmp
memory/1028-4902-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/4428-4904-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/4428-4903-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4428-4905-0x00000000054D0000-0x0000000005536000-memory.dmp
memory/4428-4906-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/4428-4907-0x0000000006A10000-0x0000000006A60000-memory.dmp
memory/4428-4908-0x0000000006B00000-0x0000000006B9C000-memory.dmp
memory/4428-4909-0x0000000006BC0000-0x0000000006BCA000-memory.dmp
memory/4428-4910-0x0000000074E00000-0x00000000755B0000-memory.dmp