agenttesla | 97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766

Analysis

max time kernel
125s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08/06/2024, 01:22

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General

Target
97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe
Size 602KB
Sample240608-brq5ssfa6z
SHA256 97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766
MD5 32402828ddcd6e660bb473340ac88ac1
SHA1 b3f67948672d117c9c01b72688856ea1ca073f64
SHA512 b4283b979c40741b01ed240e237f8638b6cfedbff2dbccbb3b0f06c6dd24cd3e87a1a288377b08173519fd005c8ef8144b32815c04c5e38f0980a3f7c80f3167
SSDEEP 12288:kOCBJQHQOU4sELOvvcFXAwgCBgDea2Dbyl17Pn29dBeXTzid:WBJQ84s0Ov4XDgC5Py/RKd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.trisquarespl.com
Port
587
Username
[email protected]
Password
LWPnuRu8
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/1048-4-0x0000000000400000-0x0000000000440000-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/1048-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral2/memory/2840-2-0x000002191BEC0000-0x000002191BF54000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/1048-4-0x0000000000400000-0x0000000000440000-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/1048-4-0x0000000000400000-0x0000000000440000-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/1048-4-0x0000000000400000-0x0000000000440000-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/1048-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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
13	api.ipify.org
14	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 1048	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1048	installutil.exe
1048	installutil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	installutil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 1048	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	89
PID 2840 wrote to memory of 1048	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	89
PID 2840 wrote to memory of 1048	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	89
PID 2840 wrote to memory of 1048	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	89
PID 2840 wrote to memory of 1048	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	89
PID 2840 wrote to memory of 1048	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	89
PID 2840 wrote to memory of 1048	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	89
PID 2840 wrote to memory of 1048	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	89
PID 2840 wrote to memory of 1180	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	90
PID 2840 wrote to memory of 1180	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	90
PID 2840 wrote to memory of 1180	2840	97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe	90

C:\Users\Admin\AppData\Local\Temp\97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe
"C:\Users\Admin\AppData\Local\Temp\97efd9bf4be94126bd366cab770f1db598ed0755ea362f6fa3e8c85fa4216766.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1048
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:1180

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 --field-trial-handle=4376,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4080 /prefetch:8
1⤵
PID:3432

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1048-10-0x00000000068A0000-0x00000000068F0000-memory.dmp

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memory/1048-14-0x00000000747A0000-0x0000000074F50000-memory.dmp

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memory/1048-13-0x00000000747AE000-0x00000000747AF000-memory.dmp

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memory/1048-12-0x0000000006910000-0x000000000691A000-memory.dmp

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memory/1048-4-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/1048-5-0x00000000747AE000-0x00000000747AF000-memory.dmp

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memory/1048-6-0x0000000005970000-0x0000000005F14000-memory.dmp

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memory/1048-7-0x00000000054C0000-0x0000000005526000-memory.dmp

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memory/1048-8-0x00000000747A0000-0x0000000074F50000-memory.dmp

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memory/1048-11-0x0000000006990000-0x0000000006A22000-memory.dmp

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memory/2840-3-0x00007FFCAD6B0000-0x00007FFCAE171000-memory.dmp

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memory/2840-9-0x00007FFCAD6B0000-0x00007FFCAE171000-memory.dmp

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memory/2840-0-0x00000219017D0000-0x00000219017DC000-memory.dmp

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memory/2840-2-0x000002191BEC0000-0x000002191BF54000-memory.dmp

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memory/2840-1-0x00007FFCAD6B3000-0x00007FFCAD6B5000-memory.dmp

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