agenttesla | 1dc0ee2b4f50cddb87628adb8af1dd18c153fabe5ee6aa898f22d8e184c2f443

General

Target

DHL-#AWB130501923096.exe
Size

291KB
MD5

0f41f481cb49d2e209570b3c0cd35a0a
SHA1

5a07b067c82e50d61504f051531e1a0c4e1f144e
SHA256

e726b85425a9c7ac3b74d7bb4b7d86079e66f22d27a4ecda2b002b2b7e1db7d7
SHA512

2983a7993cee20929aa24a26b62bd7ebb901b589586ce373d4ce09dfc159c9049cdece87f56679ac229fbe7fd5211207b7648b76ed8ebe8bd9c05318aacb7268

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.flsrnidth.com
Port:
587
Username:
[email protected]
Password:
x{Op,7(4O+yl

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1112-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1112-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1112-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1112-66-0x0000000000446D5E-mapping.dmp	family_agenttesla
behavioral1/memory/1112-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1112-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL-#AWB130501923096.exe

description pid process target process

PID 1120 set thread context of 1112 1120 DHL-#AWB130501923096.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

1456 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

DHL-#AWB130501923096.exeRegSvcs.exe

pid process

1120 DHL-#AWB130501923096.exe
1112 RegSvcs.exe
1112 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL-#AWB130501923096.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1120 DHL-#AWB130501923096.exe
Token: SeDebugPrivilege 1112 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

1112 RegSvcs.exe

description	pid	process	target process
PID 1120 set thread context of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe

pid	process
1456	schtasks.exe

pid	process
1120	DHL-#AWB130501923096.exe
1112	RegSvcs.exe
1112	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1120	DHL-#AWB130501923096.exe
Token: SeDebugPrivilege	1112	RegSvcs.exe

pid	process
1112	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

DHL-#AWB130501923096.exe

description	pid	process	target process
PID 1120 wrote to memory of 1456	1120	DHL-#AWB130501923096.exe	schtasks.exe
PID 1120 wrote to memory of 1456	1120	DHL-#AWB130501923096.exe	schtasks.exe
PID 1120 wrote to memory of 1456	1120	DHL-#AWB130501923096.exe	schtasks.exe
PID 1120 wrote to memory of 1456	1120	DHL-#AWB130501923096.exe	schtasks.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe
PID 1120 wrote to memory of 1112	1120	DHL-#AWB130501923096.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DHL-#AWB130501923096.exe
"C:\Users\Admin\AppData\Local\Temp\DHL-#AWB130501923096.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\izYbpX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD116.tmp"
2⤵
- Creates scheduled task(s)
PID:1456

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD116.tmp

Filesize
1KB

MD5
4d95c812c7ef7dd1de85adfdf0b37050

SHA1
b059d47abd49dc7771ac0540ec9f0d0f8d4bf231

SHA256
92810dd520988aeff8ab701a11830b03dbd18c71dcb3f96a9b9f4c0eb37c62ce

SHA512
377cab5efd990323d5abb4b0b3d1be6b8b48feafb95d4d7dd21ef3c353cd6fd31226704583e209898ba322d709680c9cd7c1f7c483a5ff21a0674a6d5c3a0af9

Download Submit
memory/1112-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1112-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1112-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1112-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1112-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1112-66-0x0000000000446D5E-mapping.dmp

Download
memory/1112-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1112-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1120-56-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1120-57-0x0000000002020000-0x0000000002074000-memory.dmp

Filesize
336KB

Download
memory/1120-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1120-54-0x0000000000230000-0x0000000000280000-memory.dmp

Filesize
320KB

Download
memory/1456-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads