agenttesla | 94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 02:28

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General

Target

94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe
Size

656KB
MD5

67ba70657c56f2c7b9e41cd29dfe8420
SHA1

f95dc5a17d2316d638f413f68049bdc6e9869c6b
SHA256

94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7
SHA512

490a806cd3cef05f0d758b68d662cac9ab551d839cfef0a1a7c713b3e1b7017f9873cdd7118daa6a1052c40c9c2e9c81be5fff5e22dee8e7a042d47386423f68
SSDEEP

12288:psHzOUNUSB/o5LsI1uwajJ5yvv1l25jfB7/+bj74WbZzS4fk/cP4l0dfuPTT:QiUmSB/o5d1ubcvIWbnHZexUmf

Score

10^/10

agenttesla keylogger spyware stealer trojan upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.fosna.net
Port:
587
Username:
goldwisejewelsowerri@fosna.net
Password:
jF&ZPSBJ*@6T

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.fosna.net
Port:
587
Username:
goldwisejewelsowerri@fosna.net
Password:
jF&ZPSBJ*@6T
Email To:
resultboxgoldwize@fosna.net

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. 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2056-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2056-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2056-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2056-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2056-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2056-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables referencing Windows vault credential objects. Observed in infostealers 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2056-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2056-17-0x0000000000400000-0x0000000000442000-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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2056-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2056-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2056-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2056-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2056-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2056-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

UPX dump on OEP (original entry point) 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2348-0-0x0000000000EB0000-0x0000000001025000-memory.dmp	UPX
behavioral1/memory/2348-14-0x0000000000EB0000-0x0000000001025000-memory.dmp	UPX

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2348-0-0x0000000000EB0000-0x0000000001025000-memory.dmp	upx
behavioral1/memory/2348-14-0x0000000000EB0000-0x0000000001025000-memory.dmp	upx

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com

flow	ioc
4	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/2348-14-0x0000000000EB0000-0x0000000001025000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe

description	pid	process	target process
PID 2348 set thread context of 2056	2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2056 RegSvcs.exe
2056 RegSvcs.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe

pid process

2348 94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2056 RegSvcs.exe

pid	process
2056	RegSvcs.exe
2056	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2056	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe

pid	process
2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe
2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe

pid	process
2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe
2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe

description	pid	process	target process
PID 2348 wrote to memory of 2056	2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe	RegSvcs.exe
PID 2348 wrote to memory of 2056	2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe	RegSvcs.exe
PID 2348 wrote to memory of 2056	2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe	RegSvcs.exe
PID 2348 wrote to memory of 2056	2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe	RegSvcs.exe
PID 2348 wrote to memory of 2056	2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe	RegSvcs.exe
PID 2348 wrote to memory of 2056	2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe	RegSvcs.exe
PID 2348 wrote to memory of 2056	2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe	RegSvcs.exe
PID 2348 wrote to memory of 2056	2348	94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe
"C:\Users\Admin\AppData\Local\Temp\94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2348

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\94095bca33da33ad83f7b8d55b150cc79f646625002aeb595524c7defe2707c7.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2056

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2056-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2056-18-0x0000000074B50000-0x000000007523E000-memory.dmp

Filesize
6.9MB

Download
memory/2056-19-0x00000000049E0000-0x0000000004A20000-memory.dmp

Filesize
256KB

Download
memory/2056-20-0x0000000074B50000-0x000000007523E000-memory.dmp

Filesize
6.9MB

Download
memory/2056-21-0x00000000049E0000-0x0000000004A20000-memory.dmp

Filesize
256KB

Download
memory/2348-0-0x0000000000EB0000-0x0000000001025000-memory.dmp

Filesize
1.5MB

Download
memory/2348-11-0x0000000000160000-0x0000000000164000-memory.dmp

Filesize
16KB

Download
memory/2348-14-0x0000000000EB0000-0x0000000001025000-memory.dmp

Filesize
1.5MB

Download