agenttesla | eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f

General

Target

eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe
Size

771KB
MD5

6de815a10400800fc5cab138318fe07a
SHA1

c14b5f38c05397d9171033fe40db5e71ab5825ac
SHA256

eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f
SHA512

b2dc2321b18c4b639824f9d43a9e74adf8dfceba101d1554fb87b200748deb5a1c8934477e75ad70cf4018dd31af779033fdb8a15ce934bb57aa4b2030b0ede6
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLERO6KZRF6zWgdsWfw3YG4tsasr9MEgXlkQhjlXNyV:tthEVaPqLthMwDcf5VkQdlXNfO

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\avenses.vbs	avenses.exe

Executes dropped EXE 1 IoCs

pid	Process
1136	avenses.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.

flow	ioc
14	ip-api.com

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/800-9-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/1136-16-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1136 set thread context of 4068	1136	avenses.exe	84

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/800-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/files/0x0007000000023c67-6.dat	upx
behavioral2/memory/800-9-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/1136-16-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avenses.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4068	RegSvcs.exe
4068	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1136	avenses.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4068	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
800	eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe
800	eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe
1136	avenses.exe
1136	avenses.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
800	eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe
800	eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe
1136	avenses.exe
1136	avenses.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 1136	800	eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe	83
PID 800 wrote to memory of 1136	800	eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe	83
PID 800 wrote to memory of 1136	800	eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe	83
PID 1136 wrote to memory of 4068	1136	avenses.exe	84
PID 1136 wrote to memory of 4068	1136	avenses.exe	84
PID 1136 wrote to memory of 4068	1136	avenses.exe	84
PID 1136 wrote to memory of 4068	1136	avenses.exe	84

C:\Users\Admin\AppData\Local\Temp\eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe
"C:\Users\Admin\AppData\Local\Temp\eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:800
- C:\Users\Admin\AppData\Local\Cocles\avenses.exe
  "C:\Users\Admin\AppData\Local\Temp\eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1136
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Cocles\avenses.exe

Filesize
771KB

MD5
6de815a10400800fc5cab138318fe07a

SHA1
c14b5f38c05397d9171033fe40db5e71ab5825ac

SHA256
eac7ca59f3b380ab48d1c46400c910b783d98aa99e536f7dcf8115a7d240807f

SHA512
b2dc2321b18c4b639824f9d43a9e74adf8dfceba101d1554fb87b200748deb5a1c8934477e75ad70cf4018dd31af779033fdb8a15ce934bb57aa4b2030b0ede6

Download Submit
C:\Users\Admin\AppData\Local\Temp\gammy

Filesize
239KB

MD5
79e23bd397207bfbbe16162e03322b51

SHA1
6470fdd21f205155dea76d7a72f3fedbd3f1321c

SHA256
9d7ed8fb30e41c4d4512f0b96083e4f6cdbafb47d3e4f780f680e32423c89dec

SHA512
7ce024e815231056434d1687b2ffd964021c60e8c43a3eef4dfa20accf3d2e87af8a2346119ab0a92e54fe6574b86e0ed7fb7192b5f755868f32956cbf97138b

Download Submit
memory/800-3-0x00000000040E0000-0x00000000042E0000-memory.dmp

Filesize
2.0MB

Download
memory/800-9-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/800-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1136-16-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1136-13-0x00000000039E0000-0x0000000003BE0000-memory.dmp

Filesize
2.0MB

Download
memory/4068-17-0x000000007368E000-0x000000007368F000-memory.dmp

Filesize
4KB

Download
memory/4068-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4068-18-0x00000000056E0000-0x0000000005C84000-memory.dmp

Filesize
5.6MB

Download
memory/4068-19-0x0000000005230000-0x0000000005296000-memory.dmp

Filesize
408KB

Download
memory/4068-20-0x0000000073680000-0x0000000073E30000-memory.dmp

Filesize
7.7MB

Download
memory/4068-21-0x0000000006510000-0x0000000006560000-memory.dmp

Filesize
320KB

Download
memory/4068-22-0x0000000006600000-0x0000000006692000-memory.dmp

Filesize
584KB

Download
memory/4068-23-0x0000000006590000-0x000000000659A000-memory.dmp

Filesize
40KB

Download
memory/4068-24-0x000000007368E000-0x000000007368F000-memory.dmp

Filesize
4KB

Download
memory/4068-25-0x0000000073680000-0x0000000073E30000-memory.dmp

Filesize
7.7MB

Download

Analysis

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