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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/944-64-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/944-65-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/944-66-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/944-67-0x000000000046179E-mapping.dmp	family_agenttesla
behavioral1/memory/944-69-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/944-71-0x0000000000400000-0x0000000000466000-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
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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

HC.CLOVER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HC.CLOVER.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HC.CLOVER.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\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-1-5-21-2277218442-1199762539-2004043321-1000\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 292 set thread context of 944 292 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

1320 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1768 REG.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

HC.CLOVER.exeHC.CLOVER.exe

pid process

292 HC.CLOVER.exe
292 HC.CLOVER.exe
944 HC.CLOVER.exe
944 HC.CLOVER.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

HC.CLOVER.exeHC.CLOVER.exe

description pid process

Token: SeDebugPrivilege 292 HC.CLOVER.exe
Token: SeDebugPrivilege 944 HC.CLOVER.exe

description	pid	process	target process
PID 292 set thread context of 944	292	HC.CLOVER.exe	HC.CLOVER.exe

pid	process
1320	schtasks.exe

pid	process
1768	REG.exe

pid	process
292	HC.CLOVER.exe
292	HC.CLOVER.exe
944	HC.CLOVER.exe
944	HC.CLOVER.exe

description	pid	process
Token: SeDebugPrivilege	292	HC.CLOVER.exe
Token: SeDebugPrivilege	944	HC.CLOVER.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

HC.CLOVER.exeHC.CLOVER.exe

description	pid	process	target process
PID 292 wrote to memory of 1320	292	HC.CLOVER.exe	schtasks.exe
PID 292 wrote to memory of 1320	292	HC.CLOVER.exe	schtasks.exe
PID 292 wrote to memory of 1320	292	HC.CLOVER.exe	schtasks.exe
PID 292 wrote to memory of 1320	292	HC.CLOVER.exe	schtasks.exe
PID 292 wrote to memory of 944	292	HC.CLOVER.exe	HC.CLOVER.exe
PID 292 wrote to memory of 944	292	HC.CLOVER.exe	HC.CLOVER.exe
PID 292 wrote to memory of 944	292	HC.CLOVER.exe	HC.CLOVER.exe
PID 292 wrote to memory of 944	292	HC.CLOVER.exe	HC.CLOVER.exe
PID 292 wrote to memory of 944	292	HC.CLOVER.exe	HC.CLOVER.exe
PID 292 wrote to memory of 944	292	HC.CLOVER.exe	HC.CLOVER.exe
PID 292 wrote to memory of 944	292	HC.CLOVER.exe	HC.CLOVER.exe
PID 292 wrote to memory of 944	292	HC.CLOVER.exe	HC.CLOVER.exe
PID 292 wrote to memory of 944	292	HC.CLOVER.exe	HC.CLOVER.exe
PID 944 wrote to memory of 1768	944	HC.CLOVER.exe	REG.exe
PID 944 wrote to memory of 1768	944	HC.CLOVER.exe	REG.exe
PID 944 wrote to memory of 1768	944	HC.CLOVER.exe	REG.exe
PID 944 wrote to memory of 1768	944	HC.CLOVER.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

HC.CLOVER.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:292

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Gzqjmjnyi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD22.tmp"
2⤵
- Creates scheduled task(s)
PID:1320

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:944

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:1768

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

System Information Discovery

1

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\Temp\tmpAD22.tmp

Filesize
1KB

MD5
26c854b76e934dd182de0058df33466d

SHA1
0e00c5b88478d00f828ec97bd5a89d6d7231d480

SHA256
221cf595c719af9f75122ea408f27cc7d619ce3206cfb1ddc5338ad10f2e664b

SHA512
d18fdd399fe2818ef75397a38e4b9ccb26b5e12051ebe5f6ec5be27d22df0516b4417f0ff906662bd7ed2e44fc21b0c982a4deaa1116a8683ff3f49f4c63a772

Download Submit
memory/292-55-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/292-56-0x0000000000280000-0x000000000028C000-memory.dmp

Filesize
48KB

Download
memory/292-57-0x000000000A180000-0x000000000A204000-memory.dmp

Filesize
528KB

Download
memory/292-58-0x000000000A240000-0x000000000A2BE000-memory.dmp

Filesize
504KB

Download
memory/292-54-0x00000000008B0000-0x000000000095E000-memory.dmp

Filesize
696KB

Download
memory/944-62-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/944-61-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/944-64-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/944-65-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/944-66-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/944-67-0x000000000046179E-mapping.dmp

Download
memory/944-69-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/944-71-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1320-59-0x0000000000000000-mapping.dmp

Download
memory/1768-73-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads