agenttesla | 669f16a731ff8d217b742844a6529a1844263b362de40b5c22aa49e6091c5b67

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 06:20

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General

Target

Arrival Notice.exe
Size

1.1MB
MD5

fcbeee4d98c0149d7a4d77544584a4b1
SHA1

252c90496e1d30c85af718df02053f2bf876b5fa
SHA256

2f871dc858b7320d26415f760957201d60691eee8d3939eb2e443a2ee8bad3ef
SHA512

cd6560c55d24c04ef6ee73fd033ef1e8c61246344a5d8542fc92c7fb9d39852774dd3eac2169f64dd86c866224d94f1d14eae95d3c97252f96b55588ff8a1235
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCD257KUpiESY42J7XfBx3bSlqbz7TY:7JZoQrbTFZY1iaCSPjI25vBtGKz7TY

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.chemsareus.com
Port:
587
Username:
[email protected]
Password:
062bdqio
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3000 set thread context of 2256	3000	Arrival Notice.exe	30

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 2 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	Arrival Notice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2256	RegSvcs.exe
2256	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3000	Arrival Notice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2256	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3000	Arrival Notice.exe
3000	Arrival Notice.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3000	Arrival Notice.exe
3000	Arrival Notice.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2256	3000	Arrival Notice.exe	30
PID 3000 wrote to memory of 2256	3000	Arrival Notice.exe	30
PID 3000 wrote to memory of 2256	3000	Arrival Notice.exe	30
PID 3000 wrote to memory of 2256	3000	Arrival Notice.exe	30
PID 3000 wrote to memory of 2256	3000	Arrival Notice.exe	30
PID 3000 wrote to memory of 2256	3000	Arrival Notice.exe	30
PID 3000 wrote to memory of 2256	3000	Arrival Notice.exe	30
PID 3000 wrote to memory of 2256	3000	Arrival Notice.exe	30

C:\Users\Admin\AppData\Local\Temp\Arrival Notice.exe
"C:\Users\Admin\AppData\Local\Temp\Arrival Notice.exe"
1⤵
- 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:3000
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Arrival Notice.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2256-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2256-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2256-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2256-8-0x0000000073C7E000-0x0000000073C7F000-memory.dmp

Filesize
4KB

Download
memory/2256-9-0x0000000073C70000-0x000000007435E000-memory.dmp

Filesize
6.9MB

Download
memory/2256-10-0x0000000073C7E000-0x0000000073C7F000-memory.dmp

Filesize
4KB

Download
memory/2256-11-0x0000000073C70000-0x000000007435E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-2-0x00000000035C0000-0x00000000039C0000-memory.dmp

Filesize
4.0MB

Download