agenttesla | 5a6473afa5eb4f04eb5fa442198a90c27fbc9da2582e51bc070870cfeb3ba669

General

Target

POOED20201366.exe
Size

422KB
MD5

fcbf7204db1e0beed9d269641d65f957
SHA1

885ee8f82104912ab6392cbe397c88bb01f1d263
SHA256

89832aeecfac3c9bd0c972fd727f0987054e2c501aaf40b61c4843e2923d2869
SHA512

a407023bfbdc666361b1e71a8462b02644dc1fb47af5af87d7465c173286ab40c089b199cfa10d6401f8b8cea0d27dd96ee33570dde12418d70d3a20ccbfd7a0

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.greenslr.com
Port:
587
Username:
[email protected]
Password:
)HdurgF2

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/1104-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1104-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1104-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1104-66-0x000000000044D15E-mapping.dmp	family_agenttesla
behavioral1/memory/1104-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1104-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

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:

POOED20201366.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	POOED20201366.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POOED20201366.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	POOED20201366.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

POOED20201366.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\uEtmoKl = "C:\\Users\\Admin\\AppData\\Roaming\\uEtmoKl\\uEtmoKl.exe"	POOED20201366.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

POOED20201366.exe

description pid process target process

PID 780 set thread context of 1104 780 POOED20201366.exe POOED20201366.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

1512 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

POOED20201366.exePOOED20201366.exe

pid process

780 POOED20201366.exe
780 POOED20201366.exe
780 POOED20201366.exe
780 POOED20201366.exe
1104 POOED20201366.exe
1104 POOED20201366.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

POOED20201366.exePOOED20201366.exe

description pid process

Token: SeDebugPrivilege 780 POOED20201366.exe
Token: SeDebugPrivilege 1104 POOED20201366.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

POOED20201366.exe

pid process

1104 POOED20201366.exe

description	pid	process	target process
PID 780 set thread context of 1104	780	POOED20201366.exe	POOED20201366.exe

pid	process
1512	schtasks.exe

pid	process
780	POOED20201366.exe
780	POOED20201366.exe
780	POOED20201366.exe
780	POOED20201366.exe
1104	POOED20201366.exe
1104	POOED20201366.exe

description	pid	process
Token: SeDebugPrivilege	780	POOED20201366.exe
Token: SeDebugPrivilege	1104	POOED20201366.exe

pid	process
1104	POOED20201366.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

POOED20201366.exePOOED20201366.exe

description	pid	process	target process
PID 780 wrote to memory of 1512	780	POOED20201366.exe	schtasks.exe
PID 780 wrote to memory of 1512	780	POOED20201366.exe	schtasks.exe
PID 780 wrote to memory of 1512	780	POOED20201366.exe	schtasks.exe
PID 780 wrote to memory of 1512	780	POOED20201366.exe	schtasks.exe
PID 780 wrote to memory of 1104	780	POOED20201366.exe	POOED20201366.exe
PID 780 wrote to memory of 1104	780	POOED20201366.exe	POOED20201366.exe
PID 780 wrote to memory of 1104	780	POOED20201366.exe	POOED20201366.exe
PID 780 wrote to memory of 1104	780	POOED20201366.exe	POOED20201366.exe
PID 780 wrote to memory of 1104	780	POOED20201366.exe	POOED20201366.exe
PID 780 wrote to memory of 1104	780	POOED20201366.exe	POOED20201366.exe
PID 780 wrote to memory of 1104	780	POOED20201366.exe	POOED20201366.exe
PID 780 wrote to memory of 1104	780	POOED20201366.exe	POOED20201366.exe
PID 780 wrote to memory of 1104	780	POOED20201366.exe	POOED20201366.exe
PID 1104 wrote to memory of 1732	1104	POOED20201366.exe	netsh.exe
PID 1104 wrote to memory of 1732	1104	POOED20201366.exe	netsh.exe
PID 1104 wrote to memory of 1732	1104	POOED20201366.exe	netsh.exe
PID 1104 wrote to memory of 1732	1104	POOED20201366.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

POOED20201366.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	POOED20201366.exe

outlook_win_path 1 IoCs

Processes:

POOED20201366.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	POOED20201366.exe

C:\Users\Admin\AppData\Local\Temp\POOED20201366.exe
"C:\Users\Admin\AppData\Local\Temp\POOED20201366.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:780

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vqtzTLHhWYa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA362.tmp"
2⤵
- Creates scheduled task(s)
PID:1512

C:\Users\Admin\AppData\Local\Temp\POOED20201366.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1104

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1732

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

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\Local\Temp\tmpA362.tmp
Filesize
1KB

MD5
0d6ee9a46e509c9fdee461e119be53d2

SHA1
bfefadcf62f69599ed02971ba7e0afd26718feaf

SHA256
df48b9218072c02b6413552eea828aa2ab559a152f07166f81768b4cd8df2b89

SHA512
f51efd3f80f2571975ebc7b5ec3c566da8557a140d02fd04db72e27cf37737a93e1e0d49e359712c69d112ddfd60aaad5bdc051f95c388de2271c97522949232

Download Submit
memory/780-55-0x00000000002F0000-0x00000000002FA000-memory.dmp

Filesize
40KB

Download
memory/780-56-0x0000000005560000-0x00000000055C0000-memory.dmp

Filesize
384KB

Download
memory/780-57-0x00000000009A0000-0x00000000009F2000-memory.dmp

Filesize
328KB

Download
memory/780-54-0x0000000001080000-0x00000000010F0000-memory.dmp

Filesize
448KB

Download
memory/1104-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1104-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1104-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1104-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1104-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1104-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1104-66-0x000000000044D15E-mapping.dmp

Download
memory/1104-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1104-71-0x0000000074E91000-0x0000000074E93000-memory.dmp

Filesize
8KB

Download
memory/1512-58-0x0000000000000000-mapping.dmp

Download
memory/1732-72-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads