Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2024 02:56
Static task
static1
Behavioral task
behavioral1
Sample
e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
Resource
win10v2004-20240226-en
General
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Target
e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
-
Size
705KB
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MD5
1c2e10456d4941fc03b4505745df986d
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SHA1
8e4a49017e5906846ed12440dae27f7c702bc64d
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SHA256
e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7
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SHA512
33480167a4cb3f0703e4f053b8ad83f9b2291a804e1cf6d14c27ac9272fce414a7a5793ff6ecd36c808a085fdb6e9b41b630322fa61de4fd2baff06847c7143b
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SSDEEP
12288:a/US0YOwqOp67LHOv8AzfetftWQkPV48wjNk+KmTGvUbIu0xCBUK4kogNCGSkR:qO7HLMzWf+CEmTGvK8CqK4kbNCGh
Malware Config
Extracted
Protocol: smtp- Host:
nl9.nlkoddos.com - Port:
587 - Username:
[email protected] - Password:
Myname321@
Extracted
agenttesla
Protocol: smtp- Host:
nl9.nlkoddos.com - Port:
587 - Username:
[email protected] - Password:
Myname321@ - 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 packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/400-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/400-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
Processes:
resource yara_rule behavioral2/memory/400-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables packed with SmartAssembly 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1556-7-0x0000000005DF0000-0x0000000005DFC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/400-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/400-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/400-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/400-10-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 46 api.ipify.org 47 api.ipify.org 49 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exedescription pid process target process PID 1556 set thread context of 400 1556 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exepid process 400 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe 400 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe 400 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exedescription pid process Token: SeDebugPrivilege 400 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exepid process 400 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exedescription pid process target process PID 1556 wrote to memory of 400 1556 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe PID 1556 wrote to memory of 400 1556 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe PID 1556 wrote to memory of 400 1556 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe PID 1556 wrote to memory of 400 1556 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe PID 1556 wrote to memory of 400 1556 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe PID 1556 wrote to memory of 400 1556 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe PID 1556 wrote to memory of 400 1556 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe PID 1556 wrote to memory of 400 1556 e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe"C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe"C:\Users\Admin\AppData\Local\Temp\e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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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=3932 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/400-10-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/400-19-0x00000000058A0000-0x00000000058B0000-memory.dmpFilesize
64KB
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memory/400-18-0x00000000070E0000-0x0000000007130000-memory.dmpFilesize
320KB
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memory/400-17-0x0000000075120000-0x00000000758D0000-memory.dmpFilesize
7.7MB
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memory/400-16-0x00000000057E0000-0x0000000005846000-memory.dmpFilesize
408KB
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memory/400-14-0x00000000058A0000-0x00000000058B0000-memory.dmpFilesize
64KB
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memory/400-12-0x0000000075120000-0x00000000758D0000-memory.dmpFilesize
7.7MB
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memory/1556-4-0x0000000005AE0000-0x0000000005AF0000-memory.dmpFilesize
64KB
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memory/1556-8-0x0000000007520000-0x00000000075A4000-memory.dmpFilesize
528KB
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memory/1556-9-0x0000000009BC0000-0x0000000009C5C000-memory.dmpFilesize
624KB
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memory/1556-7-0x0000000005DF0000-0x0000000005DFC000-memory.dmpFilesize
48KB
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memory/1556-11-0x0000000075120000-0x00000000758D0000-memory.dmpFilesize
7.7MB
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memory/1556-6-0x00000000071A0000-0x00000000071BA000-memory.dmpFilesize
104KB
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memory/1556-5-0x0000000005810000-0x000000000581A000-memory.dmpFilesize
40KB
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memory/1556-15-0x0000000075120000-0x00000000758D0000-memory.dmpFilesize
7.7MB
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memory/1556-0-0x0000000075120000-0x00000000758D0000-memory.dmpFilesize
7.7MB
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memory/1556-3-0x0000000005860000-0x00000000058F2000-memory.dmpFilesize
584KB
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memory/1556-2-0x0000000005E10000-0x00000000063B4000-memory.dmpFilesize
5.6MB
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memory/1556-1-0x0000000000D70000-0x0000000000E24000-memory.dmpFilesize
720KB