agenttesla | 411ffa492ccbdd5b4a3431d85d107aa78333b836f2e3eb5b36ae33ab5454f8db

General

Target

biliecrypt.exe
Size

820KB
MD5

c83c118e38053dfee03489bc21014ca8
SHA1

b88174774ad323be8397d5816059e84c61d04bfe
SHA256

411ffa492ccbdd5b4a3431d85d107aa78333b836f2e3eb5b36ae33ab5454f8db
SHA512

dcfc37c64b8b28e36ecf3e24ba89f377d797619d59910234b30b5c38bfbd18ac11096f177ce994917d8384b5969f4448d331d8b36454ba2db54d5a7702d222f4
SSDEEP

12288:e+rzlQYypmBwGXjdX32ogZ+g/yHpZmBa2HzY+5Bvnq/Rv1R:HvlQYypmB3XZnMZ4Wkwtn+Rt

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ionos.es
Port:
587
Username:
[email protected]
Password:
HJBKsdaad578457@@176586
Email To:
[email protected]

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

InstallUtil.exe

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

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

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

biliecrypt.exe

description pid process target process

PID 1440 set thread context of 2176 1440 biliecrypt.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

biliecrypt.exeInstallUtil.exe

pid process

1440 biliecrypt.exe
1440 biliecrypt.exe
2176 InstallUtil.exe
2176 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

biliecrypt.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1440 biliecrypt.exe
Token: SeDebugPrivilege 2176 InstallUtil.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 1440 set thread context of 2176	1440	biliecrypt.exe	InstallUtil.exe

pid	process
1440	biliecrypt.exe
1440	biliecrypt.exe
2176	InstallUtil.exe
2176	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1440	biliecrypt.exe
Token: SeDebugPrivilege	2176	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

biliecrypt.exe

description	pid	process	target process
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe
PID 1440 wrote to memory of 2176	1440	biliecrypt.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\biliecrypt.exe
"C:\Users\Admin\AppData\Local\Temp\biliecrypt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2176

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1440-19-0x0000000000C60000-0x0000000000CA0000-memory.dmp

Filesize
256KB

Download
memory/1440-1-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/1440-2-0x0000000000C60000-0x0000000000CA0000-memory.dmp

Filesize
256KB

Download
memory/1440-3-0x0000000000500000-0x0000000000544000-memory.dmp

Filesize
272KB

Download
memory/1440-4-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/1440-5-0x0000000000C60000-0x0000000000CA0000-memory.dmp

Filesize
256KB

Download
memory/1440-6-0x0000000000C60000-0x0000000000CA0000-memory.dmp

Filesize
256KB

Download
memory/1440-7-0x0000000000A40000-0x0000000000A5A000-memory.dmp

Filesize
104KB

Download
memory/1440-8-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/1440-23-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/1440-0-0x0000000000F30000-0x0000000001004000-memory.dmp

Filesize
848KB

Download
memory/2176-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2176-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2176-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2176-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2176-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2176-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2176-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2176-24-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2176-25-0x0000000001EC0000-0x0000000001F00000-memory.dmp

Filesize
256KB

Download
memory/2176-28-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-29-0x0000000001EC0000-0x0000000001F00000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads