agenttesla | 74a834ad404d9fc6fbbd0e1afc46df019cd7d4f8d5e60353d08172765e06177f

General

Target

Machinery Specification And Models.js
Size

934KB
MD5

f0c5b13e7ce8bb82395f166cb95f1b70
SHA1

c5e269f5d14782699aec933cdc2c76c920e09816
SHA256

74a834ad404d9fc6fbbd0e1afc46df019cd7d4f8d5e60353d08172765e06177f
SHA512

5c0810178ae840a48f8c74e487061f7215c37d50a077b4cbf9724a17750057c9e921e553170f245d904cd416c7efcca1d4a02998d6ee484365580d6524b5c2c3

Score

10^/10

agenttesla vjw0rm collection keylogger persistence spyware stealer suricata trojan worm

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.leaf.arvixe.com
Port:
587
Username:
[email protected]
Password:
000000

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.leaf.arvixe.com
Port:
587
Username:
[email protected]
Password:
000000

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata

Blocklisted process makes network request 19 IoCs

Processes:

wscript.exewscript.exewscript.exe

flow	pid	process
5	1084	wscript.exe
8	1968	wscript.exe
14	1084	wscript.exe
16	1084	wscript.exe
18	1084	wscript.exe
21	1084	wscript.exe
22	1084	wscript.exe
26	1084	wscript.exe
27	1084	wscript.exe
28	1084	wscript.exe
34	616	wscript.exe
35	1084	wscript.exe
36	616	wscript.exe
38	1084	wscript.exe
39	616	wscript.exe
44	1084	wscript.exe
47	616	wscript.exe
48	1084	wscript.exe
50	616	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

ORIPAYLOADER.exe

pid process

1240 ORIPAYLOADER.exe

pid	process
1240	ORIPAYLOADER.exe

Drops startup file 5 IoCs

Processes:

wscript.exewscript.exewscript.exewscript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Machinery Specification And Models.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cKBGNvUvAk.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Machinery Specification And Models.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cKBGNvUvAk.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cKBGNvUvAk.js	wscript.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

ORIPAYLOADER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORIPAYLOADER.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORIPAYLOADER.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORIPAYLOADER.exe

Adds Run key to start application 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exewscript.exewscript.exewscript.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Machinery Specification And Models = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Machinery Specification And Models.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Machinery Specification And Models = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Machinery Specification And Models.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Machinery Specification And Models = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Machinery Specification And Models.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\cKBGNvUvAk.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Machinery Specification And Models = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Machinery Specification And Models.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\cKBGNvUvAk.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.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.

Processes:

flow ioc

6 ip-api.com
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 2 IoCs

Processes:

ORIPAYLOADER.exe

pid process

1240 ORIPAYLOADER.exe
1240 ORIPAYLOADER.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ORIPAYLOADER.exe

description pid process

Token: SeDebugPrivilege 1240 ORIPAYLOADER.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ORIPAYLOADER.exe

pid process

1240 ORIPAYLOADER.exe

flow	ioc
6	ip-api.com

pid	process
1240	ORIPAYLOADER.exe
1240	ORIPAYLOADER.exe

description	pid	process
Token: SeDebugPrivilege	1240	ORIPAYLOADER.exe

pid	process
1240	ORIPAYLOADER.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

wscript.exewscript.exe

description	pid	process	target process
PID 1100 wrote to memory of 1084	1100	wscript.exe	wscript.exe
PID 1100 wrote to memory of 1084	1100	wscript.exe	wscript.exe
PID 1100 wrote to memory of 1084	1100	wscript.exe	wscript.exe
PID 1100 wrote to memory of 1968	1100	wscript.exe	wscript.exe
PID 1100 wrote to memory of 1968	1100	wscript.exe	wscript.exe
PID 1100 wrote to memory of 1968	1100	wscript.exe	wscript.exe
PID 1968 wrote to memory of 616	1968	wscript.exe	wscript.exe
PID 1968 wrote to memory of 616	1968	wscript.exe	wscript.exe
PID 1968 wrote to memory of 616	1968	wscript.exe	wscript.exe
PID 1968 wrote to memory of 1240	1968	wscript.exe	ORIPAYLOADER.exe
PID 1968 wrote to memory of 1240	1968	wscript.exe	ORIPAYLOADER.exe
PID 1968 wrote to memory of 1240	1968	wscript.exe	ORIPAYLOADER.exe
PID 1968 wrote to memory of 1240	1968	wscript.exe	ORIPAYLOADER.exe

outlook_office_path 1 IoCs

Processes:

ORIPAYLOADER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORIPAYLOADER.exe

outlook_win_path 1 IoCs

Processes:

ORIPAYLOADER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ORIPAYLOADER.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Machinery Specification And Models.js"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\cKBGNvUvAk.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1084

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Machinery Specification And Models.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\cKBGNvUvAk.js"
3⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:616

C:\Users\Admin\AppData\Roaming\ORIPAYLOADER.exe
"C:\Users\Admin\AppData\Roaming\ORIPAYLOADER.exe"
3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1240

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Machinery Specification And Models.js
Filesize
934KB

MD5
f0c5b13e7ce8bb82395f166cb95f1b70

SHA1
c5e269f5d14782699aec933cdc2c76c920e09816

SHA256
74a834ad404d9fc6fbbd0e1afc46df019cd7d4f8d5e60353d08172765e06177f

SHA512
5c0810178ae840a48f8c74e487061f7215c37d50a077b4cbf9724a17750057c9e921e553170f245d904cd416c7efcca1d4a02998d6ee484365580d6524b5c2c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Machinery Specification And Models.js
Filesize
934KB

MD5
f0c5b13e7ce8bb82395f166cb95f1b70

SHA1
c5e269f5d14782699aec933cdc2c76c920e09816

SHA256
74a834ad404d9fc6fbbd0e1afc46df019cd7d4f8d5e60353d08172765e06177f

SHA512
5c0810178ae840a48f8c74e487061f7215c37d50a077b4cbf9724a17750057c9e921e553170f245d904cd416c7efcca1d4a02998d6ee484365580d6524b5c2c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cKBGNvUvAk.js
Filesize
117KB

MD5
5ec7e975e42079dacb58ad5e712df35f

SHA1
6c963b465c7ddc9081add19f0c99eac3e969f819

SHA256
4be6ef286e027bd596340d08cc8640d213cff7fbf93638a2ccee267fa42512b8

SHA512
ca38464e394d43a8320baa24163cf3921a66ce3a87a8f4da7d20718ab6248319cb6d08de61509b81061d353da23033412fa9b121c14c2c32df5aa2859a7e13a8

Download Submit
C:\Users\Admin\AppData\Roaming\ORIPAYLOADER.exe
Filesize
209KB

MD5
c6d715ba404ae78085eb7caba3ad8118

SHA1
720e3ef336871278f87f6eb596147edc4f1e3c4b

SHA256
0f33ab5276f7ea785bb119795431a7be45e2ada3428ea1718d799cb654c2bdb2

SHA512
61612720aa252713ecdc86e665eaee223f747e602626bf140dceb34ae7e7c18d75cf123de881b36b56c190014513a40375bc8e5267d1c120cc6e8eb8039364e7

Download Submit
C:\Users\Admin\AppData\Roaming\ORIPAYLOADER.exe
Filesize
209KB

MD5
c6d715ba404ae78085eb7caba3ad8118

SHA1
720e3ef336871278f87f6eb596147edc4f1e3c4b

SHA256
0f33ab5276f7ea785bb119795431a7be45e2ada3428ea1718d799cb654c2bdb2

SHA512
61612720aa252713ecdc86e665eaee223f747e602626bf140dceb34ae7e7c18d75cf123de881b36b56c190014513a40375bc8e5267d1c120cc6e8eb8039364e7

Download Submit
C:\Users\Admin\AppData\Roaming\cKBGNvUvAk.js
Filesize
117KB

MD5
5ec7e975e42079dacb58ad5e712df35f

SHA1
6c963b465c7ddc9081add19f0c99eac3e969f819

SHA256
4be6ef286e027bd596340d08cc8640d213cff7fbf93638a2ccee267fa42512b8

SHA512
ca38464e394d43a8320baa24163cf3921a66ce3a87a8f4da7d20718ab6248319cb6d08de61509b81061d353da23033412fa9b121c14c2c32df5aa2859a7e13a8

Download Submit
C:\Users\Admin\AppData\Roaming\cKBGNvUvAk.js
Filesize
117KB

MD5
5ec7e975e42079dacb58ad5e712df35f

SHA1
6c963b465c7ddc9081add19f0c99eac3e969f819

SHA256
4be6ef286e027bd596340d08cc8640d213cff7fbf93638a2ccee267fa42512b8

SHA512
ca38464e394d43a8320baa24163cf3921a66ce3a87a8f4da7d20718ab6248319cb6d08de61509b81061d353da23033412fa9b121c14c2c32df5aa2859a7e13a8

Download Submit
memory/616-61-0x0000000000000000-mapping.dmp

Download
memory/1084-55-0x0000000000000000-mapping.dmp

Download
memory/1100-54-0x000007FEFB5D1000-0x000007FEFB5D3000-memory.dmp

Filesize
8KB

Download
memory/1240-64-0x0000000000000000-mapping.dmp

Download
memory/1240-68-0x0000000001200000-0x000000000123A000-memory.dmp

Filesize
232KB

Download
memory/1240-69-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1968-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads