Analysis
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max time kernel
115s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13/02/2024, 02:48
Static task
static1
Behavioral task
behavioral1
Sample
2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe
Resource
win10v2004-20231215-en
General
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Target
2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe
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Size
745KB
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MD5
8a944460181bc7450e02a40c14eb8833
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SHA1
2c92ae1e51efea2fd46e9274a0a2e19c8f214d4a
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SHA256
2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879
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SHA512
f21a9045b18c7c2741aab440038db43e2a519513770d7ac02b4d179b4afb27f0d5ae5e2236d2c595646d118cecfe6d931fc99f24790ca25d48a2b1ed4605b435
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SSDEEP
12288:3SqEIqkzqHKMbj18vVWw1cdSFVX1hzpGNTzmFG5v6p7MVvXOa3GX6MZI8ddwf+Xi:38IJz87bh8vVV1ciVzzp6uF46+fOa3G2
Malware Config
Extracted
Protocol: smtp- Host:
smtp.afconnl.com - Port:
587 - Username:
[email protected] - Password:
ah!kfC@0
Extracted
agenttesla
Protocol: smtp- Host:
smtp.afconnl.com - Port:
587 - Username:
[email protected] - Password:
ah!kfC@0 - 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
resource yara_rule behavioral2/memory/4200-11-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
resource yara_rule behavioral2/memory/4200-11-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
resource yara_rule behavioral2/memory/4200-11-0x0000000000400000-0x0000000000440000-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
resource yara_rule behavioral2/memory/4200-11-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral2/memory/4200-11-0x0000000000400000-0x0000000000440000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral2/memory/4200-11-0x0000000000400000-0x0000000000440000-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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 19 api.ipify.org 20 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 8 set thread context of 4200 8 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 89 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4200 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 4200 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4200 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 8 wrote to memory of 4200 8 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 89 PID 8 wrote to memory of 4200 8 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 89 PID 8 wrote to memory of 4200 8 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 89 PID 8 wrote to memory of 4200 8 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 89 PID 8 wrote to memory of 4200 8 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 89 PID 8 wrote to memory of 4200 8 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 89 PID 8 wrote to memory of 4200 8 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 89 PID 8 wrote to memory of 4200 8 2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe"C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe"C:\Users\Admin\AppData\Local\Temp\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4200
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3