agenttesla | f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 01:51

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General

Target
f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe
Size 1.7MB
Sample240620-b92dgswglp
SHA256 f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852
MD5 90a7b0b1bc8a8f70351048fc914f1375
SHA1 ddbbca2f93ec0cdaea257228a904ea33cd8f6bcb
SHA512 a114ceb28a4cb2af060a810d94913fc651a067098af58884d0da4496fc9b588a39100de69ad72b6ed80683498f789039ae6c50d7ace4a85339143205d639ae73
SSDEEP 12288:O4pIrYlQ2aPCip8PFBhooDlpgSO4KGO1B5ogezurnc5WdFE2iy:7p4IY2lokvg3GO1cHsnV1
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.kxnlaos.com
Port
587
Username
[email protected]
Password
eDe~fz;Cy0{W

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.kxnlaos.com
Port
587
Username
[email protected]
Password
eDe~fz;Cy0{W
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/696-4-0x0000000000400000-0x0000000000440000-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/696-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral2/memory/3152-2-0x000001BDB64F0000-0x000001BDB6584000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

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

resource	yara_rule
behavioral2/memory/696-4-0x0000000000400000-0x0000000000440000-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/696-4-0x0000000000400000-0x0000000000440000-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/696-4-0x0000000000400000-0x0000000000440000-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/696-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3152 set thread context of 696	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
696	jsc.exe
696	jsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe
Token: SeDebugPrivilege	696	jsc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 696	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	92
PID 3152 wrote to memory of 696	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	92
PID 3152 wrote to memory of 696	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	92
PID 3152 wrote to memory of 696	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	92
PID 3152 wrote to memory of 696	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	92
PID 3152 wrote to memory of 696	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	92
PID 3152 wrote to memory of 696	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	92
PID 3152 wrote to memory of 696	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	92
PID 3152 wrote to memory of 32	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	93
PID 3152 wrote to memory of 32	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	93
PID 3152 wrote to memory of 32	3152	f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe	93

C:\Users\Admin\AppData\Local\Temp\f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe
"C:\Users\Admin\AppData\Local\Temp\f2caa2b831daf0bd709c35971d82b1f61be6f8fbf36eac0daf0cf5edd7345852.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:696
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
  2⤵
  PID:32

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=1344 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:1768

Network

MITRE ATT&CK Matrix

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Downloads

memory/696-8-0x0000000074FA0000-0x0000000075750000-memory.dmp

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memory/696-9-0x0000000005450000-0x00000000054B6000-memory.dmp

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memory/696-15-0x0000000006870000-0x000000000687A000-memory.dmp

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memory/696-14-0x00000000068C0000-0x0000000006952000-memory.dmp

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memory/696-4-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/696-5-0x0000000074FAE000-0x0000000074FAF000-memory.dmp

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memory/696-13-0x0000000006400000-0x000000000649C000-memory.dmp

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memory/696-12-0x0000000006310000-0x0000000006360000-memory.dmp

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memory/696-11-0x0000000074FA0000-0x0000000075750000-memory.dmp

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memory/696-7-0x0000000005A80000-0x0000000006024000-memory.dmp

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memory/696-10-0x0000000074FAE000-0x0000000074FAF000-memory.dmp

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memory/3152-0-0x00007FFA05EA3000-0x00007FFA05EA5000-memory.dmp

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memory/3152-6-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

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memory/3152-1-0x000001BD9BFD0000-0x000001BD9BFDA000-memory.dmp

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memory/3152-3-0x00007FFA05EA0000-0x00007FFA06961000-memory.dmp

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memory/3152-2-0x000001BDB64F0000-0x000001BDB6584000-memory.dmp

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