agenttesla | d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38

General

Target

d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe
Size

688KB
MD5

c46f67d07641f91b79606a72b6e09270
SHA1

bbbbec60fe589eb39e31a369eea5d0911167ea2b
SHA256

d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38
SHA512

517f8bfe7101444fa2ff9b9d6a625dde8193aa6d6bf9326288c5f35f697549527d7d9d5f6f7e2161871b223db0a7124c0323c347d41cefe99bad99d0915438b1
SSDEEP

12288:jEAmDvY15gM3Co16QVl0QVXH3CG/ySQvBk0hRfr92bP0fb2RZoIeahAtY7iGUz2:jvb3F4oXCzlvBk0hh4boCXsahPiG

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:
uhzJADD6
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. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2680-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2680-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2624-26-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2624-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2624-23-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2680-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2680-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2624-26-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2624-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2624-23-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3024-4-0x00000000021A0000-0x0000000002234000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2680-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2680-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2624-26-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2624-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2624-23-0x0000000000400000-0x0000000000440000-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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2680-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2680-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2624-26-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2624-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2624-23-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2680-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2680-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2624-26-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2624-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2624-23-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2680-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2680-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2624-26-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2624-24-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2624-23-0x0000000000400000-0x0000000000440000-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.

Processes:

flow ioc

2 api.ipify.org
3 api.ipify.org

flow	ioc
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe

description	pid	process	target process
PID 3024 set thread context of 2624	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

jsc.exe

pid process

2624 jsc.exe
2624 jsc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

jsc.exe

description pid process

Token: SeDebugPrivilege 2624 jsc.exe

pid	process
2624	jsc.exe
2624	jsc.exe

description	pid	process
Token: SeDebugPrivilege	2624	jsc.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe

description	pid	process	target process
PID 3024 wrote to memory of 2356	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	regasm.exe
PID 3024 wrote to memory of 2356	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	regasm.exe
PID 3024 wrote to memory of 2356	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	regasm.exe
PID 3024 wrote to memory of 2356	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	regasm.exe
PID 3024 wrote to memory of 2356	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	regasm.exe
PID 3024 wrote to memory of 2356	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	regasm.exe
PID 3024 wrote to memory of 2356	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	regasm.exe
PID 3024 wrote to memory of 2680	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	msbuild.exe
PID 3024 wrote to memory of 2680	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	msbuild.exe
PID 3024 wrote to memory of 2680	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	msbuild.exe
PID 3024 wrote to memory of 2680	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	msbuild.exe
PID 3024 wrote to memory of 2680	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	msbuild.exe
PID 3024 wrote to memory of 2680	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	msbuild.exe
PID 3024 wrote to memory of 2680	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	msbuild.exe
PID 3024 wrote to memory of 2680	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	msbuild.exe
PID 3024 wrote to memory of 2624	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2624	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2624	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2624	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2624	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2624	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2624	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2624	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2624	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2860	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2860	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2860	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe
PID 3024 wrote to memory of 2860	3024	d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe	jsc.exe

C:\Users\Admin\AppData\Local\Temp\d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe
"C:\Users\Admin\AppData\Local\Temp\d773db3acad368a5e51b2ea6f4cd5feb904c3255d3ef79cfcd07935a46400e38.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3024

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
2⤵
PID:2356

C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
2⤵
PID:2680

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:2624

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
2⤵
PID:2860

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2624-26-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2624-31-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-30-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/2624-29-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-28-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/2624-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2624-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2624-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2680-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2680-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2680-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3024-0-0x000007FEF5A63000-0x000007FEF5A64000-memory.dmp

Filesize
4KB

Download
memory/3024-27-0x000007FEF5A60000-0x000007FEF644C000-memory.dmp

Filesize
9.9MB

Download
memory/3024-4-0x00000000021A0000-0x0000000002234000-memory.dmp

Filesize
592KB

Download
memory/3024-3-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3024-2-0x000007FEF5A60000-0x000007FEF644C000-memory.dmp

Filesize
9.9MB

Download
memory/3024-1-0x0000000000A20000-0x0000000000A40000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads