agenttesla | bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d

General

Target

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
Size

655KB
MD5

f02a932f414838b6ff71b051e3f976ff
SHA1

5ffd3af5fac6b4049d02bb7d6d0c1a3b187edfc6
SHA256

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d
SHA512

268a6c8a64199df170bc64e7fd7939108847721fa2c9cfd55304bd4fecce1109161b09048f167e9841362a0090051dc2cad08cd3656df7ae79376523fead85e3
SSDEEP

12288:KgYzi8LkpEaEZhq2MJT4yKg41Kbh/V0b8HhlqJcK/C+XboT9Z6i0V7szA4:KR2jERhqNkyTAK9EMm/C+XboT9ZAx

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.adgumrukmusavirligi.com
Port:
587
Username:
[email protected]
Password:
GizCvk2019!.

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.adgumrukmusavirligi.com
Port:
587
Username:
[email protected]
Password:
GizCvk2019!.
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/3348-10-0x0000000000400000-0x0000000000442000-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/3348-10-0x0000000000400000-0x0000000000442000-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/3348-10-0x0000000000400000-0x0000000000442000-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/3348-10-0x0000000000400000-0x0000000000442000-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/3348-10-0x0000000000400000-0x0000000000442000-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/3348-10-0x0000000000400000-0x0000000000442000-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

2376 powershell.exe

pid	process
2376	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:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.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:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\skyT = "C:\\Users\\Admin\\AppData\\Roaming\\skyT\\skyT.exe"	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

description	pid	process	target process
PID 464 set thread context of 3348	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.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:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exebbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exepowershell.exe

pid	process
464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
3348	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
3348	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
2376	powershell.exe
2376	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exebbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
Token: SeDebugPrivilege	3348	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
Token: SeDebugPrivilege	2376	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

pid process

3348 bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

pid	process
3348	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

description	pid	process	target process
PID 464 wrote to memory of 2376	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	powershell.exe
PID 464 wrote to memory of 2376	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	powershell.exe
PID 464 wrote to memory of 2376	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	powershell.exe
PID 464 wrote to memory of 3348	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 464 wrote to memory of 3348	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 464 wrote to memory of 3348	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 464 wrote to memory of 3348	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 464 wrote to memory of 3348	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 464 wrote to memory of 3348	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 464 wrote to memory of 3348	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
PID 464 wrote to memory of 3348	464	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe	bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe

C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
"C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:464

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\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2376

C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe
"C:\Users\Admin\AppData\Local\Temp\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bbf3b7facc03ac358b1c43e2b1f5c35082958310a15d924415e5afd133d1ac0d.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m2h5gyvk.n2d.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/464-6-0x00000000055F0000-0x000000000560A000-memory.dmp

Filesize
104KB

Download
memory/464-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

Filesize
584KB

Download
memory/464-4-0x0000000005090000-0x000000000509A000-memory.dmp

Filesize
40KB

Download
memory/464-5-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/464-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/464-7-0x00000000061C0000-0x00000000061D0000-memory.dmp

Filesize
64KB

Download
memory/464-8-0x0000000006630000-0x00000000066B2000-memory.dmp

Filesize
520KB

Download
memory/464-9-0x0000000008C70000-0x0000000008D0C000-memory.dmp

Filesize
624KB

Download
memory/464-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/464-1-0x0000000000670000-0x000000000071A000-memory.dmp

Filesize
680KB

Download
memory/464-13-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-19-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-33-0x0000000005D90000-0x00000000060E4000-memory.dmp

Filesize
3.3MB

Download
memory/2376-17-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-59-0x00000000079C0000-0x00000000079C8000-memory.dmp

Filesize
32KB

Download
memory/2376-16-0x0000000005450000-0x0000000005A78000-memory.dmp

Filesize
6.2MB

Download
memory/2376-56-0x00000000078D0000-0x00000000078DE000-memory.dmp

Filesize
56KB

Download
memory/2376-20-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-58-0x00000000079E0000-0x00000000079FA000-memory.dmp

Filesize
104KB

Download
memory/2376-23-0x0000000005A80000-0x0000000005AE6000-memory.dmp

Filesize
408KB

Download
memory/2376-22-0x00000000053B0000-0x00000000053D2000-memory.dmp

Filesize
136KB

Download
memory/2376-62-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/2376-15-0x0000000002A60000-0x0000000002A96000-memory.dmp

Filesize
216KB

Download
memory/2376-34-0x0000000006340000-0x000000000635E000-memory.dmp

Filesize
120KB

Download
memory/2376-35-0x0000000006410000-0x000000000645C000-memory.dmp

Filesize
304KB

Download
memory/2376-37-0x0000000006910000-0x0000000006942000-memory.dmp

Filesize
200KB

Download
memory/2376-38-0x00000000708A0000-0x00000000708EC000-memory.dmp

Filesize
304KB

Download
memory/2376-48-0x0000000006980000-0x000000000699E000-memory.dmp

Filesize
120KB

Download
memory/2376-49-0x0000000007560000-0x0000000007603000-memory.dmp

Filesize
652KB

Download
memory/2376-57-0x00000000078E0000-0x00000000078F4000-memory.dmp

Filesize
80KB

Download
memory/2376-51-0x0000000007CE0000-0x000000000835A000-memory.dmp

Filesize
6.5MB

Download
memory/2376-52-0x00000000076A0000-0x00000000076BA000-memory.dmp

Filesize
104KB

Download
memory/2376-53-0x0000000007710000-0x000000000771A000-memory.dmp

Filesize
40KB

Download
memory/2376-54-0x0000000007920000-0x00000000079B6000-memory.dmp

Filesize
600KB

Download
memory/2376-55-0x00000000078A0000-0x00000000078B1000-memory.dmp

Filesize
68KB

Download
memory/3348-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3348-50-0x0000000006310000-0x0000000006360000-memory.dmp

Filesize
320KB

Download
memory/3348-21-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-18-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/3348-14-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3348-63-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads