agenttesla | 74518695776885d991a17706e4c2299b9e8cc8ea5b696705ee6c7f134a229532

General

Target

HC.CLOVER.exe
Size

668KB
MD5

6b65a861903570a025237153f6129aec
SHA1

5bcb467b92684cb93f7fa646a7f28c723078401b
SHA256

30ab1b464bd5881b5f8785ec2fa28fe1fd9a7d7430adf54445ef9bc1febafd46
SHA512

8b7860c36ba3aed9fb41342962a3cf949a2f9ae8de060ad2f7176aefde2f3b86a5dd2721962992148247cddc9545959334eef1493f28542f56cf7911084627e4

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ritac-eg.com
Port:
587
Username:
[email protected]
Password:
YM%dNtj2

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2552-138-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

HC.CLOVER.exe

description ioc process

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

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

HC.CLOVER.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	HC.CLOVER.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:

HC.CLOVER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HC.CLOVER.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HC.CLOVER.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HC.CLOVER.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

HC.CLOVER.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WCPCe = "C:\\Users\\Admin\\AppData\\Roaming\\WCPCe\\WCPCe.exe"	HC.CLOVER.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

HC.CLOVER.exe

description pid process target process

PID 2392 set thread context of 2552 2392 HC.CLOVER.exe HC.CLOVER.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

388 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1788 REG.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

HC.CLOVER.exeHC.CLOVER.exe

pid process

2392 HC.CLOVER.exe
2392 HC.CLOVER.exe
2392 HC.CLOVER.exe
2552 HC.CLOVER.exe
2552 HC.CLOVER.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

HC.CLOVER.exeHC.CLOVER.exe

description pid process

Token: SeDebugPrivilege 2392 HC.CLOVER.exe
Token: SeDebugPrivilege 2552 HC.CLOVER.exe

description	pid	process	target process
PID 2392 set thread context of 2552	2392	HC.CLOVER.exe	HC.CLOVER.exe

pid	process
388	schtasks.exe

pid	process
1788	REG.exe

pid	process
2392	HC.CLOVER.exe
2392	HC.CLOVER.exe
2392	HC.CLOVER.exe
2552	HC.CLOVER.exe
2552	HC.CLOVER.exe

description	pid	process
Token: SeDebugPrivilege	2392	HC.CLOVER.exe
Token: SeDebugPrivilege	2552	HC.CLOVER.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

HC.CLOVER.exeHC.CLOVER.exe

description	pid	process	target process
PID 2392 wrote to memory of 388	2392	HC.CLOVER.exe	schtasks.exe
PID 2392 wrote to memory of 388	2392	HC.CLOVER.exe	schtasks.exe
PID 2392 wrote to memory of 388	2392	HC.CLOVER.exe	schtasks.exe
PID 2392 wrote to memory of 2552	2392	HC.CLOVER.exe	HC.CLOVER.exe
PID 2392 wrote to memory of 2552	2392	HC.CLOVER.exe	HC.CLOVER.exe
PID 2392 wrote to memory of 2552	2392	HC.CLOVER.exe	HC.CLOVER.exe
PID 2392 wrote to memory of 2552	2392	HC.CLOVER.exe	HC.CLOVER.exe
PID 2392 wrote to memory of 2552	2392	HC.CLOVER.exe	HC.CLOVER.exe
PID 2392 wrote to memory of 2552	2392	HC.CLOVER.exe	HC.CLOVER.exe
PID 2392 wrote to memory of 2552	2392	HC.CLOVER.exe	HC.CLOVER.exe
PID 2392 wrote to memory of 2552	2392	HC.CLOVER.exe	HC.CLOVER.exe
PID 2552 wrote to memory of 1788	2552	HC.CLOVER.exe	REG.exe
PID 2552 wrote to memory of 1788	2552	HC.CLOVER.exe	REG.exe
PID 2552 wrote to memory of 1788	2552	HC.CLOVER.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

HC.CLOVER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HC.CLOVER.exe

outlook_win_path 1 IoCs

Processes:

HC.CLOVER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HC.CLOVER.exe

C:\Users\Admin\AppData\Local\Temp\HC.CLOVER.exe
"C:\Users\Admin\AppData\Local\Temp\HC.CLOVER.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Gzqjmjnyi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp43C0.tmp"
2⤵
- Creates scheduled task(s)
PID:388

C:\Users\Admin\AppData\Local\Temp\HC.CLOVER.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2552

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:1788

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

2

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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\HC.CLOVER.exe.log

Filesize
1KB

MD5
6dcfdb496c3cf0a736b09292618b380d

SHA1
59d3aecbd319c9b48d500b51a093ee48d02af334

SHA256
cb5dcf594045c8b7a5f87e8a12eabbd3e53e673654926027627ed79ef3e2a203

SHA512
9b7d22dc9e40d11693f7191f7b075a78974322af145010e66b19d989e678477dfe4741e88d02929d5b37236276f4605bc23a7adbedf43b66cd3c4e5e7b7e67ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp43C0.tmp

Filesize
1KB

MD5
611f229262155e719a056ebb11550186

SHA1
d44e5975a436115691d5c313b6609860ce6be289

SHA256
a2cf73e7821bb5a419844ecdc23c99e22409e9a6d70fcb7d093d99d916393de3

SHA512
25be41ec1679362f6791eee34ccfa89bb50ff8134739cbea84fd8aa8de6fe5bb787c8808c9207ac8ba538ee545b641ce0e26fde20aded8c9f2862f97e419978e

Download Submit
memory/388-135-0x0000000000000000-mapping.dmp

Download
memory/1788-142-0x0000000000000000-mapping.dmp

Download
memory/2392-132-0x0000000007060000-0x00000000070F2000-memory.dmp

Filesize
584KB

Download
memory/2392-133-0x0000000007210000-0x000000000721A000-memory.dmp

Filesize
40KB

Download
memory/2392-134-0x000000000E8A0000-0x000000000E93C000-memory.dmp

Filesize
624KB

Download
memory/2392-130-0x0000000000140000-0x00000000001EE000-memory.dmp

Filesize
696KB

Download
memory/2392-131-0x0000000007520000-0x0000000007AC4000-memory.dmp

Filesize
5.6MB

Download
memory/2552-137-0x0000000000000000-mapping.dmp

Download
memory/2552-138-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2552-140-0x0000000006240000-0x00000000062A6000-memory.dmp

Filesize
408KB

Download
memory/2552-141-0x0000000006B30000-0x0000000006B80000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads