Analysis
-
max time kernel
159s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13-03-2024 02:28
Behavioral task
behavioral1
Sample
f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe
Resource
win10v2004-20240226-en
General
-
Target
f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe
-
Size
481KB
-
MD5
45b1dc45eec64dd6ef42ff827d4405fd
-
SHA1
f34c8c2fe7c5bc610b4513cd853d97304960d429
-
SHA256
f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909
-
SHA512
abcfdf3b41c8ffb9327d7e2ac97b52666bf8e1afcca44344ec3ad492fe2b16069b8951aa20a112f655cc7a94b8b4bbad5a373893baa37010ad857ac0afc2ba99
-
SSDEEP
6144:JAtVdRkURiLBetRu2m10c/XOsnx/Bjr7xii6wgDm7NE/m2O0BBAdN3MVqRw6aPMB:JCVdRkEtY/+a/BLj6wkm7N/0Bi3MBW
Malware Config
Extracted
Protocol: smtp- Host:
server1.marfinllc.shop - Port:
587 - Username:
[email protected] - Password:
X!-1rrkP_qxp
Extracted
agenttesla
Protocol: smtp- Host:
server1.marfinllc.shop - Port:
587 - Username:
[email protected] - Password:
X!-1rrkP_qxp - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Detect ZGRat V1 34 IoCs
Processes:
resource yara_rule behavioral2/memory/1448-4-0x0000000005490000-0x000000000568A000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-5-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-6-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-8-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-10-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-12-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-14-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-16-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-18-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-20-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-22-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-24-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-26-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-28-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-30-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-32-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-34-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-36-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-38-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-40-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-42-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-44-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-46-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-48-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-50-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-52-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-54-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-56-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-58-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-60-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-62-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-64-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-66-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 behavioral2/memory/1448-68-0x0000000005490000-0x0000000005685000-memory.dmp family_zgrat_v1 -
PureLog Stealer
PureLog Stealer is an infostealer written in C#.
-
PureLog Stealer payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1448-0-0x00000000000A0000-0x000000000011C000-memory.dmp family_purelog_stealer -
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.
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ozhvdskglxw = "C:\\Users\\Admin\\AppData\\Roaming\\Ozhvdskglxw.exe" f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe -
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 89 api.ipify.org 90 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exedescription pid process target process PID 1448 set thread context of 1076 1448 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exepid process 1076 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe 1076 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exef42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exedescription pid process Token: SeDebugPrivilege 1448 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe Token: SeDebugPrivilege 1076 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exedescription pid process target process PID 1448 wrote to memory of 1076 1448 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe PID 1448 wrote to memory of 1076 1448 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe PID 1448 wrote to memory of 1076 1448 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe PID 1448 wrote to memory of 1076 1448 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe PID 1448 wrote to memory of 1076 1448 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe PID 1448 wrote to memory of 1076 1448 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe PID 1448 wrote to memory of 1076 1448 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe PID 1448 wrote to memory of 1076 1448 f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe"C:\Users\Admin\AppData\Local\Temp\f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Users\Admin\AppData\Local\Temp\f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exeC:\Users\Admin\AppData\Local\Temp\f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1076
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f42496aca487ec4753a8f887f26c0eb5862e6626b4e474614c611d4b28f45909.exe.log
Filesize1KB
MD5c3941d9fa38f1717d5cecd7a2ca71667
SHA133b5362675383b58b4166ed9f9a61e5aa6768d2e
SHA256f1ed6ff1cd3df219061e32df1c75d6f48de6484cf50e5ea7d86cd8bcfcb93256
SHA51298f103ef97d32bf8c0566a6f6da5cf8d58d18f698c1b3e5bd0be0ea8462f5fe54c2e5e6b5188f2b7d8f70082ffd6745b1f7f6cab95af474e2b7eaed50a9d9c45