agenttesla | 173bf8f0a06a99b6ff4fd216a0be00b834aa4337828b91124da5d533e674fccf

General

Target

SbPbhXXaAe_ori40teleevery.js
Size

386KB
MD5

917298a0ef1125c31dfc7762135d9978
SHA1

b6902cd75e83cae4ff2a3ce12f0314d364d5f481
SHA256

173bf8f0a06a99b6ff4fd216a0be00b834aa4337828b91124da5d533e674fccf
SHA512

b1ad86cd50f605ecd3bd7e9d99835dd97f64f16efa97b416e08c1c61d311874807951b7e8a887d76a1de197643a68b863fab5644010756abf384941786d3b9e1

Score

10^/10

agenttesla vjw0rm collection keylogger persistence spyware stealer trojan worm

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5171883538:AAEyFWuNh68SJNNpkDCQbviRgrklZA3K4Qs/sendDocument

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

Blocklisted process makes network request 17 IoCs

Processes:

wscript.exe

flow	pid	process
5	1112	wscript.exe
14	1112	wscript.exe
23	1112	wscript.exe
25	1112	wscript.exe
33	1112	wscript.exe
34	1112	wscript.exe
38	1112	wscript.exe
41	1112	wscript.exe
43	1112	wscript.exe
44	1112	wscript.exe
49	1112	wscript.exe
50	1112	wscript.exe
51	1112	wscript.exe
52	1112	wscript.exe
53	1112	wscript.exe
54	1112	wscript.exe
55	1112	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

ori40teleevery.exe

pid process

3068 ori40teleevery.exe

pid	process
3068	ori40teleevery.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

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

ori40teleevery.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ori40teleevery.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ori40teleevery.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ori40teleevery.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\siiOXfeLhL.js\""	wscript.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 2 IoCs

Processes:

ori40teleevery.exe

pid process

3068 ori40teleevery.exe
3068 ori40teleevery.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ori40teleevery.exe

description pid process

Token: SeDebugPrivilege 3068 ori40teleevery.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ori40teleevery.exe

pid process

3068 ori40teleevery.exe

pid	process
3068	ori40teleevery.exe
3068	ori40teleevery.exe

description	pid	process
Token: SeDebugPrivilege	3068	ori40teleevery.exe

pid	process
3068	ori40teleevery.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 1804 wrote to memory of 1112	1804	wscript.exe	wscript.exe
PID 1804 wrote to memory of 1112	1804	wscript.exe	wscript.exe
PID 1804 wrote to memory of 3068	1804	wscript.exe	ori40teleevery.exe
PID 1804 wrote to memory of 3068	1804	wscript.exe	ori40teleevery.exe
PID 1804 wrote to memory of 3068	1804	wscript.exe	ori40teleevery.exe

outlook_office_path 1 IoCs

Processes:

ori40teleevery.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ori40teleevery.exe

outlook_win_path 1 IoCs

Processes:

ori40teleevery.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ori40teleevery.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\SbPbhXXaAe_ori40teleevery.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\siiOXfeLhL.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1112

C:\Users\Admin\AppData\Local\Temp\ori40teleevery.exe
"C:\Users\Admin\AppData\Local\Temp\ori40teleevery.exe"
2⤵
- 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:3068

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

Query Registry

1

T1012

System Information Discovery

2

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\Local\Temp\ori40teleevery.exe
Filesize
210KB

MD5
e0f80223a94ccf3f36aa16c48514f692

SHA1
73d3bffd145250ce91657c9d4f3f53ca97c716c0

SHA256
a56acb1d690ee4deccb5f33c846f767705d5b0a84b6ee0a77aea30c81aa9da67

SHA512
d5ab5e0cc0399ccc0be06eb8813e4a481d81cd4c222fc7f4553c6f3d1c4b0433a18244626600ab903842da4d6db40e2430c5dcc96ed381b7d4b7f28fd29d6ad5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ori40teleevery.exe
Filesize
210KB

MD5
e0f80223a94ccf3f36aa16c48514f692

SHA1
73d3bffd145250ce91657c9d4f3f53ca97c716c0

SHA256
a56acb1d690ee4deccb5f33c846f767705d5b0a84b6ee0a77aea30c81aa9da67

SHA512
d5ab5e0cc0399ccc0be06eb8813e4a481d81cd4c222fc7f4553c6f3d1c4b0433a18244626600ab903842da4d6db40e2430c5dcc96ed381b7d4b7f28fd29d6ad5

Download Submit
C:\Users\Admin\AppData\Roaming\siiOXfeLhL.js
Filesize
5KB

MD5
4231696592e958293b751bd32c1a6beb

SHA1
648d61687cdc1c4b5cadda1df2fe643c31eb6f8b

SHA256
3e95f65cac8ca73735d5af5ebe667926639810e99c9478d9c50c24426c51084b

SHA512
1612f1654ed5c8a96470f96589f44a920dbee69468fa0bcd3135ed53beb3e3bfd92d845ab8c3f21253bc82eeca28af6f621e9833cdf2960dd8009b6bb2cdcafa

Download Submit
memory/1112-130-0x0000000000000000-mapping.dmp

Download
memory/3068-132-0x0000000000000000-mapping.dmp

Download
memory/3068-135-0x00000000004C0000-0x00000000004FA000-memory.dmp

Filesize
232KB

Download
memory/3068-136-0x00000000054B0000-0x0000000005A54000-memory.dmp

Filesize
5.6MB

Download
memory/3068-137-0x0000000004F00000-0x0000000004F9C000-memory.dmp

Filesize
624KB

Download
memory/3068-138-0x0000000005BA0000-0x0000000005C06000-memory.dmp

Filesize
408KB

Download
memory/3068-139-0x0000000006220000-0x0000000006270000-memory.dmp

Filesize
320KB

Download
memory/3068-140-0x0000000006980000-0x0000000006A12000-memory.dmp

Filesize
584KB

Download
memory/3068-141-0x0000000006900000-0x000000000690A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads