agenttesla | fe9186c1d8ba97ae6f65152b962c365f55739d010e444e03364a26e4e6009bf2

General

Target

CI-OMG200602.exe
Size

375KB
MD5

485240e3236bb5fb9f4592684b9f912e
SHA1

cdff2f67dff804cdccbda85a667847009c9c52c6
SHA256

fe9186c1d8ba97ae6f65152b962c365f55739d010e444e03364a26e4e6009bf2
SHA512

5c68d7f9c78adb34bd5e3b7767dfe9c5dcad9c23e402d35ced6e13bfadc7791549ff00f855fa2b92d002aeafdc8ccb4c1d015f6f91b105a404b17c51411fee45
SSDEEP

6144:Q4t6LsOB/OKpXK7tP2yFVV12wf69+7vWK8LEPdukN/7bon4KwHkfgtss0CNIyOFZ:QkOB/OKYO+fUYvWbEP7hbon43Hkfgts/

Score

10^/10

agenttesla guloader collection downloader keylogger spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

Processes:

CI-OMG200602.execaspol.exe

description	ioc	process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	CI-OMG200602.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	caspol.exe

Loads dropped DLL 1 IoCs

Processes:

CI-OMG200602.exe

pid process

1808 CI-OMG200602.exe

pid	process
1808	CI-OMG200602.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

caspol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	caspol.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

6 api.ipify.org
7 api.ipify.org
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

caspol.exe

pid process

1780 caspol.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

CI-OMG200602.execaspol.exe

pid process

1808 CI-OMG200602.exe
1780 caspol.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

CI-OMG200602.exe

description pid process target process

PID 1808 set thread context of 1780 1808 CI-OMG200602.exe caspol.exe
Drops file in Program Files directory 1 IoCs

Processes:

CI-OMG200602.exe

description ioc process

File opened for modification C:\Program Files (x86)\Common Files\Zuzettes\Romanise.Gar CI-OMG200602.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

caspol.exe

pid process

1780 caspol.exe
1780 caspol.exe
1780 caspol.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

CI-OMG200602.exe

pid process

1808 CI-OMG200602.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

caspol.exe

description pid process

Token: SeDebugPrivilege 1780 caspol.exe

flow	ioc
6	api.ipify.org
7	api.ipify.org

pid	process
1780	caspol.exe

pid	process
1808	CI-OMG200602.exe
1780	caspol.exe

description	pid	process	target process
PID 1808 set thread context of 1780	1808	CI-OMG200602.exe	caspol.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Common Files\Zuzettes\Romanise.Gar	CI-OMG200602.exe

pid	process
1780	caspol.exe
1780	caspol.exe
1780	caspol.exe

pid	process
1808	CI-OMG200602.exe

description	pid	process
Token: SeDebugPrivilege	1780	caspol.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

CI-OMG200602.exe

description	pid	process	target process
PID 1808 wrote to memory of 1780	1808	CI-OMG200602.exe	caspol.exe
PID 1808 wrote to memory of 1780	1808	CI-OMG200602.exe	caspol.exe
PID 1808 wrote to memory of 1780	1808	CI-OMG200602.exe	caspol.exe
PID 1808 wrote to memory of 1780	1808	CI-OMG200602.exe	caspol.exe
PID 1808 wrote to memory of 1780	1808	CI-OMG200602.exe	caspol.exe

outlook_office_path 1 IoCs

Processes:

caspol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	caspol.exe

outlook_win_path 1 IoCs

Processes:

caspol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	caspol.exe

C:\Users\Admin\AppData\Local\Temp\CI-OMG200602.exe
"C:\Users\Admin\AppData\Local\Temp\CI-OMG200602.exe"
1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
"C:\Users\Admin\AppData\Local\Temp\CI-OMG200602.exe"
2⤵
- Checks QEMU agent file
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsiFDC1.tmp\System.dll
Filesize
11KB

MD5
17ed1c86bd67e78ade4712be48a7d2bd

SHA1
1cc9fe86d6d6030b4dae45ecddce5907991c01a0

SHA256
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

SHA512
0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

Download Submit
memory/1780-65-0x0000000077A00000-0x0000000077BA9000-memory.dmp

Filesize
1.7MB

Download
memory/1780-73-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1780-70-0x0000000000400000-0x0000000000615000-memory.dmp

Filesize
2.1MB

Download
memory/1780-71-0x0000000000401000-0x0000000000615000-memory.dmp

Filesize
2.1MB

Download
memory/1780-61-0x000000000092768E-mapping.dmp

Download
memory/1780-69-0x0000000000130000-0x0000000000230000-memory.dmp

Filesize
1024KB

Download
memory/1780-64-0x0000000000130000-0x0000000000230000-memory.dmp

Filesize
1024KB

Download
memory/1808-58-0x0000000077A00000-0x0000000077BA9000-memory.dmp

Filesize
1.7MB

Download
memory/1808-63-0x0000000077BE0000-0x0000000077D60000-memory.dmp

Filesize
1.5MB

Download
memory/1808-68-0x0000000077BE0000-0x0000000077D60000-memory.dmp

Filesize
1.5MB

Download
memory/1808-62-0x0000000077BE0000-0x0000000077D60000-memory.dmp

Filesize
1.5MB

Download
memory/1808-54-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1808-57-0x0000000003740000-0x0000000003841000-memory.dmp

Filesize
1.0MB

Download
memory/1808-56-0x0000000003740000-0x0000000003841000-memory.dmp

Filesize
1.0MB

Download
memory/1808-74-0x0000000003740000-0x0000000003841000-memory.dmp

Filesize
1.0MB

Download
memory/1808-75-0x0000000077BE0000-0x0000000077D60000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads