agenttesla | 4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f

General

Target

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
Size

659KB
MD5

50aad66f83288e9b066b823dc01ccc73
SHA1

583b4bcdefa93b9b0bafc1d59b353f193bef4e41
SHA256

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f
SHA512

c9e0be231d0f5a0a943a185849d95dfd0138f8d8ecde2ed136d9a85967d1550e0fb0f5a861139b934a13e6c7ee267abe2c39aafcbef656912874078a15e91215
SSDEEP

12288:3lYifTMNfFFA2LkA3vfiFSqlYg2E//e6E1DsvXkW8I11f7R45F:WioFFbkZllJ1//E1DCkW8Iz

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.saralgumruk.com
Port:
587
Username:
[email protected]
Password:
Srl--789789_

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.saralgumruk.com
Port:
587
Username:
[email protected]
Password:
Srl--789789_
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2008-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2008-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2008-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2008-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2008-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2008-10-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1208 powershell.exe

pid	process
1208	powershell.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:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

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
T1552.001
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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe"	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

description	pid	process	target process
PID 1064 set thread context of 2008	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exepowershell.exe

pid	process
1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
2008	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
2008	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
1208	powershell.exe
1208	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
Token: SeDebugPrivilege	2008	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
Token: SeDebugPrivilege	1208	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

pid process

2008 4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

pid	process
2008	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

description	pid	process	target process
PID 1064 wrote to memory of 1208	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	powershell.exe
PID 1064 wrote to memory of 1208	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	powershell.exe
PID 1064 wrote to memory of 1208	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	powershell.exe
PID 1064 wrote to memory of 2008	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 1064 wrote to memory of 2008	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 1064 wrote to memory of 2008	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 1064 wrote to memory of 2008	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 1064 wrote to memory of 2008	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 1064 wrote to memory of 2008	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 1064 wrote to memory of 2008	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
PID 1064 wrote to memory of 2008	1064	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe	4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe

C:\Users\Admin\AppData\Local\Temp\4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
"C:\Users\Admin\AppData\Local\Temp\4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1208

C:\Users\Admin\AppData\Local\Temp\4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe
"C:\Users\Admin\AppData\Local\Temp\4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2008

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uwmnfmvg.kuk.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1064-12-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/1064-1-0x0000000000760000-0x000000000080A000-memory.dmp

Filesize
680KB

Download
memory/1064-2-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download
memory/1064-3-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/1064-4-0x0000000005200000-0x000000000520A000-memory.dmp

Filesize
40KB

Download
memory/1064-5-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download
memory/1064-6-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/1064-7-0x00000000057D0000-0x00000000057EA000-memory.dmp

Filesize
104KB

Download
memory/1064-8-0x00000000057F0000-0x0000000005800000-memory.dmp

Filesize
64KB

Download
memory/1064-9-0x0000000006920000-0x00000000069A2000-memory.dmp

Filesize
520KB

Download
memory/1064-0-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/1208-49-0x0000000006EA0000-0x0000000006EAA000-memory.dmp

Filesize
40KB

Download
memory/1208-35-0x0000000070530000-0x000000007057C000-memory.dmp

Filesize
304KB

Download
memory/1208-59-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/1208-16-0x0000000000DB0000-0x0000000000DE6000-memory.dmp

Filesize
216KB

Download
memory/1208-18-0x0000000004C90000-0x00000000052B8000-memory.dmp

Filesize
6.2MB

Download
memory/1208-17-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/1208-56-0x0000000007150000-0x0000000007158000-memory.dmp

Filesize
32KB

Download
memory/1208-19-0x0000000004C40000-0x0000000004C62000-memory.dmp

Filesize
136KB

Download
memory/1208-20-0x00000000053B0000-0x0000000005416000-memory.dmp

Filesize
408KB

Download
memory/1208-27-0x0000000005540000-0x0000000005894000-memory.dmp

Filesize
3.3MB

Download
memory/1208-31-0x0000000005B00000-0x0000000005B1E000-memory.dmp

Filesize
120KB

Download
memory/1208-32-0x0000000005B50000-0x0000000005B9C000-memory.dmp

Filesize
304KB

Download
memory/1208-34-0x00000000060D0000-0x0000000006102000-memory.dmp

Filesize
200KB

Download
memory/1208-55-0x0000000007170000-0x000000000718A000-memory.dmp

Filesize
104KB

Download
memory/1208-45-0x00000000060B0000-0x00000000060CE000-memory.dmp

Filesize
120KB

Download
memory/1208-46-0x0000000006B30000-0x0000000006BD3000-memory.dmp

Filesize
652KB

Download
memory/1208-47-0x0000000007480000-0x0000000007AFA000-memory.dmp

Filesize
6.5MB

Download
memory/1208-48-0x0000000006E30000-0x0000000006E4A000-memory.dmp

Filesize
104KB

Download
memory/1208-54-0x0000000007070000-0x0000000007084000-memory.dmp

Filesize
80KB

Download
memory/1208-50-0x00000000070B0000-0x0000000007146000-memory.dmp

Filesize
600KB

Download
memory/1208-53-0x0000000007060000-0x000000000706E000-memory.dmp

Filesize
56KB

Download
memory/1208-52-0x0000000007030000-0x0000000007041000-memory.dmp

Filesize
68KB

Download
memory/2008-51-0x00000000061C0000-0x0000000006210000-memory.dmp

Filesize
320KB

Download
memory/2008-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2008-14-0x0000000005330000-0x0000000005396000-memory.dmp

Filesize
408KB

Download
memory/2008-13-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/2008-15-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/2008-60-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads