agenttesla | 1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8

General

Target

1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe
Size

1006KB
MD5

bc300e395da3138f9a4fa20d98e025c5
SHA1

c3aac127f30bcb62e735f71ad39d799840d4048e
SHA256

1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8
SHA512

04eeedd59fb791d33a2e7d193f5dc84f915ae2d0939bd7fc6345ff4bbfae68a53bcfb0ed8a360c4e8975bc9c940ae1d6f95676f58718e6ba9a06c55edeb4881c
SSDEEP

24576:SAHnh+eWsN3skA4RV1Hom2KXMmHabtSvahj4M5:Vh+ZkldoPK8YabtF7

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cash4cars.nz
Port:
587
Username:
[email protected]
Password:
logs2024!
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. 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2136-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2136-17-0x0000000000680000-0x00000000006C0000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2136-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2136-17-0x0000000000680000-0x00000000006C0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2136-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2136-17-0x0000000000680000-0x00000000006C0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Detects executables referencing Windows vault credential objects. Observed in infostealers 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2136-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2136-17-0x0000000000680000-0x00000000006C0000-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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2136-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2136-17-0x0000000000680000-0x00000000006C0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2136-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2136-17-0x0000000000680000-0x00000000006C0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2136-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2136-17-0x0000000000680000-0x00000000006C0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe"	RegSvcs.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe

description	pid	process	target process
PID 2696 set thread context of 2136	2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2136 RegSvcs.exe
2136 RegSvcs.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe

pid process

2696 1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2136 RegSvcs.exe

pid	process
2136	RegSvcs.exe
2136	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2136	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe

pid	process
2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe
2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe

pid	process
2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe
2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe

description	pid	process	target process
PID 2696 wrote to memory of 2136	2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe	RegSvcs.exe
PID 2696 wrote to memory of 2136	2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe	RegSvcs.exe
PID 2696 wrote to memory of 2136	2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe	RegSvcs.exe
PID 2696 wrote to memory of 2136	2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe	RegSvcs.exe
PID 2696 wrote to memory of 2136	2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe	RegSvcs.exe
PID 2696 wrote to memory of 2136	2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe	RegSvcs.exe
PID 2696 wrote to memory of 2136	2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe	RegSvcs.exe
PID 2696 wrote to memory of 2136	2696	1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe
"C:\Users\Admin\AppData\Local\Temp\1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2696

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\1f8d3a5cf372d4ce155b64e4632924adf8968e3ddf5ff7a6778b1ed898a77cb8.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2136-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2136-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2136-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2136-16-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-17-0x0000000000680000-0x00000000006C0000-memory.dmp

Filesize
256KB

Download
memory/2136-19-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-20-0x0000000000680000-0x00000000006C0000-memory.dmp

Filesize
256KB

Download
memory/2696-10-0x00000000001E0000-0x00000000001E4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads