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

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.nauabe.com
Port:
21
Username:
[email protected]
Password:
pz6w]m!.Ee)6

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:

caspol.exeCI-OMG200602.exe

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

Loads dropped DLL 1 IoCs

Processes:

CI-OMG200602.exe

pid process

632 CI-OMG200602.exe

pid	process
632	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-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	caspol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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

28 api.ipify.org
29 api.ipify.org
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

caspol.exe

pid process

3448 caspol.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

CI-OMG200602.execaspol.exe

pid process

632 CI-OMG200602.exe
3448 caspol.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

CI-OMG200602.exe

description pid process target process

PID 632 set thread context of 3448 632 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

3448 caspol.exe
3448 caspol.exe
3448 caspol.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

CI-OMG200602.exe

pid process

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

Processes:

caspol.exe

description pid process

Token: SeDebugPrivilege 3448 caspol.exe

flow	ioc
28	api.ipify.org
29	api.ipify.org

pid	process
3448	caspol.exe

pid	process
632	CI-OMG200602.exe
3448	caspol.exe

description	pid	process	target process
PID 632 set thread context of 3448	632	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
3448	caspol.exe
3448	caspol.exe
3448	caspol.exe

pid	process
632	CI-OMG200602.exe

description	pid	process
Token: SeDebugPrivilege	3448	caspol.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

CI-OMG200602.exe

description	pid	process	target process
PID 632 wrote to memory of 3448	632	CI-OMG200602.exe	caspol.exe
PID 632 wrote to memory of 3448	632	CI-OMG200602.exe	caspol.exe
PID 632 wrote to memory of 3448	632	CI-OMG200602.exe	caspol.exe
PID 632 wrote to memory of 3448	632	CI-OMG200602.exe	caspol.exe

outlook_office_path 1 IoCs

Processes:

caspol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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-1-5-21-2971393436-602173351-1645505021-1000\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:632

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:3448

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsg6641.tmp\System.dll
Filesize
11KB

MD5
17ed1c86bd67e78ade4712be48a7d2bd

SHA1
1cc9fe86d6d6030b4dae45ecddce5907991c01a0

SHA256
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

SHA512
0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

Download Submit
memory/632-138-0x0000000077110000-0x00000000772B3000-memory.dmp

Filesize
1.6MB

Download
memory/632-133-0x00000000031A0000-0x000000000327B000-memory.dmp

Filesize
876KB

Download
memory/632-134-0x00000000031A0000-0x000000000327B000-memory.dmp

Filesize
876KB

Download
memory/632-135-0x00007FFD25FB0000-0x00007FFD261A5000-memory.dmp

Filesize
2.0MB

Download
memory/632-136-0x0000000077110000-0x00000000772B3000-memory.dmp

Filesize
1.6MB

Download
memory/3448-142-0x0000000077110000-0x00000000772B3000-memory.dmp

Filesize
1.6MB

Download
memory/3448-146-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3448-140-0x0000000001310000-0x0000000001410000-memory.dmp

Filesize
1024KB

Download
memory/3448-141-0x00007FFD25FB0000-0x00007FFD261A5000-memory.dmp

Filesize
2.0MB

Download
memory/3448-137-0x0000000000000000-mapping.dmp

Download
memory/3448-143-0x0000000000400000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/3448-144-0x0000000000401000-0x000000000062B000-memory.dmp

Filesize
2.2MB

Download
memory/3448-139-0x0000000001310000-0x0000000001410000-memory.dmp

Filesize
1024KB

Download
memory/3448-147-0x0000000034550000-0x0000000034AF4000-memory.dmp

Filesize
5.6MB

Download
memory/3448-148-0x0000000033FA0000-0x000000003403C000-memory.dmp

Filesize
624KB

Download
memory/3448-149-0x0000000034210000-0x0000000034276000-memory.dmp

Filesize
408KB

Download
memory/3448-150-0x0000000034FA0000-0x0000000035032000-memory.dmp

Filesize
584KB

Download
memory/3448-151-0x00000000351C0000-0x00000000351CA000-memory.dmp

Filesize
40KB

Download
memory/3448-152-0x0000000035380000-0x00000000353D0000-memory.dmp

Filesize
320KB

Download
memory/3448-153-0x00007FFD25FB0000-0x00007FFD261A5000-memory.dmp

Filesize
2.0MB

Download
memory/3448-154-0x0000000077110000-0x00000000772B3000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads