agenttesla | b71d9e0fd1511a3f15bca0bba7751bd3d76cd48b8c9ac740eeced84ed9eb65ea

General

Target

Invoice.exe
Size

787KB
MD5

c2a0577aead47c20d54918758c471247
SHA1

ffc6087cc7e098e74bd5efb3f6971342d5c1f12b
SHA256

0918c0111b97f8a25e9717e9b74a96c85e9f3801e2922bb050e8024edf9adff0
SHA512

1024c14e1fe279887e80b2f4d4b4423ef943bf6355f762b3a24cd6964e2350e77a2e0c43c0478a37fe46a8253f5866e4793dfd7225066e716e6165d623b4c84a

Score

10^/10

agenttesla collection keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.subnet-group.com
Port:
587
Username:
[email protected]
Password:
cr0cksh1t

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.subnet-group.com
Port:
587
Username:
[email protected]
Password:
cr0cksh1t
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata
Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tnpak = "C:\\Users\\Admin\\AppData\\Roaming\\Tnpak\\Tnpak.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice.exe

description pid process target process

PID 904 set thread context of 948 904 Invoice.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
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1428 schtasks.exe
Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

Invoice.exeRegSvcs.exepowershell.exe

pid process

904 Invoice.exe
904 Invoice.exe
904 Invoice.exe
904 Invoice.exe
904 Invoice.exe
904 Invoice.exe
948 RegSvcs.exe
948 RegSvcs.exe
1996 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Invoice.exeRegSvcs.exepowershell.exe

description pid process

Token: SeDebugPrivilege 904 Invoice.exe
Token: SeDebugPrivilege 948 RegSvcs.exe
Token: SeDebugPrivilege 1996 powershell.exe

description	pid	process	target process
PID 904 set thread context of 948	904	Invoice.exe	RegSvcs.exe

pid	process
1428	schtasks.exe

pid	process
904	Invoice.exe
904	Invoice.exe
904	Invoice.exe
904	Invoice.exe
904	Invoice.exe
904	Invoice.exe
948	RegSvcs.exe
948	RegSvcs.exe
1996	powershell.exe

description	pid	process
Token: SeDebugPrivilege	904	Invoice.exe
Token: SeDebugPrivilege	948	RegSvcs.exe
Token: SeDebugPrivilege	1996	powershell.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

Invoice.exe

description	pid	process	target process
PID 904 wrote to memory of 1996	904	Invoice.exe	powershell.exe
PID 904 wrote to memory of 1996	904	Invoice.exe	powershell.exe
PID 904 wrote to memory of 1996	904	Invoice.exe	powershell.exe
PID 904 wrote to memory of 1996	904	Invoice.exe	powershell.exe
PID 904 wrote to memory of 1428	904	Invoice.exe	schtasks.exe
PID 904 wrote to memory of 1428	904	Invoice.exe	schtasks.exe
PID 904 wrote to memory of 1428	904	Invoice.exe	schtasks.exe
PID 904 wrote to memory of 1428	904	Invoice.exe	schtasks.exe
PID 904 wrote to memory of 584	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 584	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 584	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 584	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 584	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 584	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 584	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 1528	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 1528	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 1528	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 1528	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 1528	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 1528	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 1528	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe
PID 904 wrote to memory of 948	904	Invoice.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BJmpFHZrxap.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1996

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BJmpFHZrxap" /XML "C:\Users\Admin\AppData\Local\Temp\tmp272.tmp"
2⤵
- Creates scheduled task(s)
PID:1428

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:584

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:1528

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:948

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp272.tmp
Filesize
1KB

MD5
0648c7e59bd0927cd73d69ba091c02ba

SHA1
7c9d2a4519ca86a2a897cdbe3e3cd8153151139a

SHA256
19a715ce1c32d0795888c5d07790aaf13e5ed2fe535c197037175e9d9a40f424

SHA512
d25fe9c782598f1f51e334e27dc467f728c818c69ad267a32b31e0cb5b6a671340318c4a273d78118794343f3bd88b3c1ed2e27f215ebe5654adc54660a281a4

Download Submit
memory/904-62-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/904-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/904-56-0x0000000000310000-0x000000000031E000-memory.dmp

Filesize
56KB

Download
memory/904-57-0x0000000007970000-0x0000000007A08000-memory.dmp

Filesize
608KB

Download
memory/904-54-0x0000000000930000-0x00000000009FA000-memory.dmp

Filesize
808KB

Download
memory/904-63-0x00000000022A0000-0x00000000022DC000-memory.dmp

Filesize
240KB

Download
memory/948-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/948-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/948-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/948-67-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/948-70-0x0000000000435CEE-mapping.dmp

Download
memory/948-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/948-72-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/948-74-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1428-59-0x0000000000000000-mapping.dmp

Download
memory/1996-58-0x0000000000000000-mapping.dmp

Download
memory/1996-76-0x000000006C7A0000-0x000000006CD4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads