agenttesla | b96eb3960b1743f8506ea7c22aa77c5565f19a83449e402e77f72ece5bc2f9ac

General

Target

SOA FEB to MAR 2024.exe
Size

836KB
MD5

28e8f4098b5d13326674b51aab58d055
SHA1

6635fa0024bfebfe5bd67e3c0cce5452e3c9b684
SHA256

d5bc04d04a04dc446c372f8f793f18c0cb8d45ba1ae5a817f4314a177fc8d7cc
SHA512

41669163544ed0e5164b1af023b3a2e7c16f32e5e5e6ee68b252dae172c3e574eda8e082ceab5709a63ba279063b904ba8f3fc519fd247ccb4253db3cf7ffb36
SSDEEP

12288:CZqnHvjNIrpf9rN/mc/CFvzstbLM2XS3uxsM6AgKH2e3ZFzJnbP93xE6DlI50Xze:C0PjKr5BNDHbzDx3VgYJjh2OlLze

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sibasultrasonics.com
Port:
587
Username:
[email protected]
Password:
wxQ@kr-2OL,{
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/2244-35-0x0000000000400000-0x0000000000442000-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/2244-35-0x0000000000400000-0x0000000000442000-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/2244-35-0x0000000000400000-0x0000000000442000-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/2244-35-0x0000000000400000-0x0000000000442000-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/2244-35-0x0000000000400000-0x0000000000442000-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/2244-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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:

SOA FEB to MAR 2024.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	SOA FEB to MAR 2024.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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:

SOA FEB to MAR 2024.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	SOA FEB to MAR 2024.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

6 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA FEB to MAR 2024.exe

description pid process target process

PID 4576 set thread context of 2244 4576 SOA FEB to MAR 2024.exe SOA FEB to MAR 2024.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2088 schtasks.exe

flow	ioc
6	api.ipify.org

description	pid	process	target process
PID 4576 set thread context of 2244	4576	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe

pid	process
2088	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

SOA FEB to MAR 2024.exepowershell.exepowershell.exeSOA FEB to MAR 2024.exe

pid	process
4576	SOA FEB to MAR 2024.exe
3200	powershell.exe
4576	SOA FEB to MAR 2024.exe
1820	powershell.exe
2244	SOA FEB to MAR 2024.exe
2244	SOA FEB to MAR 2024.exe
3200	powershell.exe
1820	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

SOA FEB to MAR 2024.exepowershell.exepowershell.exeSOA FEB to MAR 2024.exe

description	pid	process
Token: SeDebugPrivilege	4576	SOA FEB to MAR 2024.exe
Token: SeDebugPrivilege	3200	powershell.exe
Token: SeDebugPrivilege	1820	powershell.exe
Token: SeDebugPrivilege	2244	SOA FEB to MAR 2024.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SOA FEB to MAR 2024.exe

pid process

2244 SOA FEB to MAR 2024.exe

pid	process
2244	SOA FEB to MAR 2024.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

SOA FEB to MAR 2024.exe

description	pid	process	target process
PID 4576 wrote to memory of 3200	4576	SOA FEB to MAR 2024.exe	powershell.exe
PID 4576 wrote to memory of 3200	4576	SOA FEB to MAR 2024.exe	powershell.exe
PID 4576 wrote to memory of 3200	4576	SOA FEB to MAR 2024.exe	powershell.exe
PID 4576 wrote to memory of 1820	4576	SOA FEB to MAR 2024.exe	powershell.exe
PID 4576 wrote to memory of 1820	4576	SOA FEB to MAR 2024.exe	powershell.exe
PID 4576 wrote to memory of 1820	4576	SOA FEB to MAR 2024.exe	powershell.exe
PID 4576 wrote to memory of 2088	4576	SOA FEB to MAR 2024.exe	schtasks.exe
PID 4576 wrote to memory of 2088	4576	SOA FEB to MAR 2024.exe	schtasks.exe
PID 4576 wrote to memory of 2088	4576	SOA FEB to MAR 2024.exe	schtasks.exe
PID 4576 wrote to memory of 2244	4576	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 4576 wrote to memory of 2244	4576	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 4576 wrote to memory of 2244	4576	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 4576 wrote to memory of 2244	4576	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 4576 wrote to memory of 2244	4576	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 4576 wrote to memory of 2244	4576	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 4576 wrote to memory of 2244	4576	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe
PID 4576 wrote to memory of 2244	4576	SOA FEB to MAR 2024.exe	SOA FEB to MAR 2024.exe

C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe
"C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4576

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\SOA FEB to MAR 2024.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3200

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JICwPVw.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1820

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JICwPVw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6736.tmp"
2⤵
- Creates scheduled task(s)
PID:2088

C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe
"C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2244

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
bea60f7294c6c3b43094f5261eb76651

SHA1
dcda156ed4eee96b4815bb9019f7c07f9c788cdd

SHA256
8f6f7afb2ee7abfc7ab257905ec0ff23d12a2ab2e47e12fe123c347009eb979d

SHA512
c4ff8b5f584978938f522375b3149bb0fabddc10185a3a1a98fdb91f8d6b64f5303880c6a3c8191a73033ab3eca66169155702df99d56b286b8e1df23494b03b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_txzzha2d.xdc.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6736.tmp
Filesize
1KB

MD5
e256b3968681e5163bbe034f3a28ee31

SHA1
3d4ca76e5fc9c804a7589ccf8c609923c2b9c5bf

SHA256
6a5e1b6bd67b5d19f75bac98b2f200bf73446b2748ba25d72e1e85852f350e5e

SHA512
8a1deea23b4a22dbe52109e30ca3a4664ab6545831dfa0ce800522a6d4bef5025f36ff01f8e51b78b2bcd08521c8a8a7c15bbfe79fbfccef85d409a569726420

Download Submit
memory/1820-73-0x0000000007940000-0x0000000007FBA000-memory.dmp

Filesize
6.5MB

Download
memory/1820-24-0x0000000004B20000-0x0000000004B30000-memory.dmp

Filesize
64KB

Download
memory/1820-75-0x0000000007370000-0x000000000737A000-memory.dmp

Filesize
40KB

Download
memory/1820-88-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/1820-81-0x0000000007620000-0x0000000007628000-memory.dmp

Filesize
32KB

Download
memory/1820-74-0x0000000007300000-0x000000000731A000-memory.dmp

Filesize
104KB

Download
memory/1820-77-0x0000000007500000-0x0000000007511000-memory.dmp

Filesize
68KB

Download
memory/1820-76-0x0000000007580000-0x0000000007616000-memory.dmp

Filesize
600KB

Download
memory/1820-61-0x0000000071800000-0x000000007184C000-memory.dmp

Filesize
304KB

Download
memory/1820-25-0x0000000004B20000-0x0000000004B30000-memory.dmp

Filesize
64KB

Download
memory/1820-23-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/2244-90-0x00000000069F0000-0x0000000006A40000-memory.dmp

Filesize
320KB

Download
memory/2244-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3200-17-0x0000000002D60000-0x0000000002D70000-memory.dmp

Filesize
64KB

Download
memory/3200-15-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/3200-48-0x0000000006450000-0x000000000646E000-memory.dmp

Filesize
120KB

Download
memory/3200-20-0x0000000005650000-0x00000000056B6000-memory.dmp

Filesize
408KB

Download
memory/3200-79-0x00000000079D0000-0x00000000079E4000-memory.dmp

Filesize
80KB

Download
memory/3200-21-0x0000000005D20000-0x0000000005D86000-memory.dmp

Filesize
408KB

Download
memory/3200-80-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/3200-87-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/3200-78-0x00000000079C0000-0x00000000079CE000-memory.dmp

Filesize
56KB

Download
memory/3200-19-0x00000000055B0000-0x00000000055D2000-memory.dmp

Filesize
136KB

Download
memory/3200-49-0x0000000006510000-0x000000000655C000-memory.dmp

Filesize
304KB

Download
memory/3200-51-0x0000000071800000-0x000000007184C000-memory.dmp

Filesize
304KB

Download
memory/3200-70-0x0000000007620000-0x000000000763E000-memory.dmp

Filesize
120KB

Download
memory/3200-16-0x00000000056F0000-0x0000000005D18000-memory.dmp

Filesize
6.2MB

Download
memory/3200-50-0x00000000075E0000-0x0000000007612000-memory.dmp

Filesize
200KB

Download
memory/3200-72-0x0000000007650000-0x00000000076F3000-memory.dmp

Filesize
652KB

Download
memory/3200-18-0x0000000002D60000-0x0000000002D70000-memory.dmp

Filesize
64KB

Download
memory/3200-14-0x0000000002B20000-0x0000000002B56000-memory.dmp

Filesize
216KB

Download
memory/3200-36-0x0000000005E40000-0x0000000006194000-memory.dmp

Filesize
3.3MB

Download
memory/4576-4-0x0000000004F40000-0x0000000004F50000-memory.dmp

Filesize
64KB

Download
memory/4576-0-0x0000000000300000-0x00000000003D4000-memory.dmp

Filesize
848KB

Download
memory/4576-7-0x0000000005070000-0x0000000005084000-memory.dmp

Filesize
80KB

Download
memory/4576-3-0x0000000004DE0000-0x0000000004E72000-memory.dmp

Filesize
584KB

Download
memory/4576-5-0x0000000004D80000-0x0000000004D8A000-memory.dmp

Filesize
40KB

Download
memory/4576-9-0x000000000BD60000-0x000000000BDFC000-memory.dmp

Filesize
624KB

Download
memory/4576-2-0x0000000005450000-0x00000000059F4000-memory.dmp

Filesize
5.6MB

Download
memory/4576-1-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/4576-8-0x0000000008C40000-0x0000000008CC4000-memory.dmp

Filesize
528KB

Download
memory/4576-38-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/4576-6-0x0000000004F20000-0x0000000004F40000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads