agenttesla | 645423787bf6aa30b5d9433aaad2f6ea09948abf300eeaab02b4d826f215adea

General

Target

PURCHASE ORDER.js
Size

9KB
MD5

16c4ddc03574fceb943c030a5a212b5b
SHA1

9ea19de607ac1555b8bbde4eb7ebbe3923c5c48a
SHA256

645423787bf6aa30b5d9433aaad2f6ea09948abf300eeaab02b4d826f215adea
SHA512

0abb16552f60f126c960a23dd387c50a5b13dcb52b0bec7d4bd7f344a8784bed743ee8972daeabe5433686c0f34be38baaf5e3ece1eb6f8030c4e30ec2605916
SSDEEP

192:J4p/DY8bzwDuDeyev2AgP4iO+zeypRyNAEA8zn4SUdhxoP0lPCPTQSIuAt6aW4I:mrmDcsiO8ySsGdhjmTQSIuAt1k

Score

10^/10

agenttesla collection 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
Blocklisted process makes network request 2 IoCs

Processes:

wscript.exe

flow pid process

21 3488 wscript.exe
28 3488 wscript.exe
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

HVgGFCt.exe

pid process

4996 HVgGFCt.exe

flow	pid	process
21	3488	wscript.exe
28	3488	wscript.exe

pid	process
4996	HVgGFCt.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	wscript.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Regsvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Regsvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Regsvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Regsvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

HVgGFCt.exe

description pid process target process

PID 4996 set thread context of 904 4996 HVgGFCt.exe Regsvcs.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:

Regsvcs.exe

pid process

904 Regsvcs.exe
904 Regsvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Regsvcs.exe

description pid process

Token: SeDebugPrivilege 904 Regsvcs.exe

description	pid	process	target process
PID 4996 set thread context of 904	4996	HVgGFCt.exe	Regsvcs.exe

pid	process
904	Regsvcs.exe
904	Regsvcs.exe

description	pid	process
Token: SeDebugPrivilege	904	Regsvcs.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

wscript.exeHVgGFCt.exe

description	pid	process	target process
PID 3488 wrote to memory of 4996	3488	wscript.exe	HVgGFCt.exe
PID 3488 wrote to memory of 4996	3488	wscript.exe	HVgGFCt.exe
PID 4996 wrote to memory of 904	4996	HVgGFCt.exe	Regsvcs.exe
PID 4996 wrote to memory of 904	4996	HVgGFCt.exe	Regsvcs.exe
PID 4996 wrote to memory of 904	4996	HVgGFCt.exe	Regsvcs.exe
PID 4996 wrote to memory of 904	4996	HVgGFCt.exe	Regsvcs.exe
PID 4996 wrote to memory of 904	4996	HVgGFCt.exe	Regsvcs.exe
PID 4996 wrote to memory of 904	4996	HVgGFCt.exe	Regsvcs.exe
PID 4996 wrote to memory of 904	4996	HVgGFCt.exe	Regsvcs.exe
PID 4996 wrote to memory of 904	4996	HVgGFCt.exe	Regsvcs.exe

outlook_office_path 1 IoCs

Processes:

Regsvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Regsvcs.exe

outlook_win_path 1 IoCs

Processes:

Regsvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Regsvcs.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.js"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3488

C:\Users\Admin\AppData\Local\Temp\HVgGFCt.exe
"C:\Users\Admin\AppData\Local\Temp\HVgGFCt.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4996

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe"
3⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:904

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

C:\Users\Admin\AppData\Local\Temp\HVgGFCt.exe

Filesize
793KB

MD5
93b60c04445b04883b154e9cfd45bc5e

SHA1
954271bef99a382fa30eb009bc93992042457f84

SHA256
3baa78c22e5bd5e133c4c434344bb56389c5243fda9a6e97a716611f85871fa5

SHA512
0b9efab4746b14bd7bad0b80f7ed340e306d820cf8cfa0afa04e4b8b15626e0768bf30f51dbedec0390af809d6c66df6a318a003eac99d056bd4b630e6b5403f

Download Submit
C:\Users\Admin\AppData\Local\Temp\HVgGFCt.exe

Filesize
793KB

MD5
93b60c04445b04883b154e9cfd45bc5e

SHA1
954271bef99a382fa30eb009bc93992042457f84

SHA256
3baa78c22e5bd5e133c4c434344bb56389c5243fda9a6e97a716611f85871fa5

SHA512
0b9efab4746b14bd7bad0b80f7ed340e306d820cf8cfa0afa04e4b8b15626e0768bf30f51dbedec0390af809d6c66df6a318a003eac99d056bd4b630e6b5403f

Download Submit
memory/904-137-0x0000000000435BBE-mapping.dmp

Download
memory/904-136-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/904-139-0x0000000005570000-0x0000000005B14000-memory.dmp

Filesize
5.6MB

Download
memory/904-141-0x00000000050C0000-0x000000000515C000-memory.dmp

Filesize
624KB

Download
memory/904-142-0x0000000005E60000-0x0000000005EC6000-memory.dmp

Filesize
408KB

Download
memory/904-143-0x0000000006560000-0x00000000065B0000-memory.dmp

Filesize
320KB

Download
memory/4996-132-0x0000000000000000-mapping.dmp

Download
memory/4996-135-0x000001D15CF10000-0x000001D15CFDA000-memory.dmp

Filesize
808KB

Download
memory/4996-138-0x00007FFE07A50000-0x00007FFE08511000-memory.dmp

Filesize
10.8MB

Download
memory/4996-140-0x00007FFE07A50000-0x00007FFE08511000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads