agenttesla | b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a

General

Target

b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe
Size

660KB
MD5

818c1d4d7b71a802240c5b04010c0929
SHA1

21ab4b40707da5ccdadf53c37458cc5b5ea674a7
SHA256

b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a
SHA512

fb4e9f6eb2b8b4e1f5e9e3b332a3bc40297f69924c60c052632e68ba44e666c2ceea9b5dc2b6aeb0125ebb03b722e5b1668c8ad90618e0a2e96e2c892584892a
SSDEEP

12288:aH2iNlw09szFS6U2/fdkuj+JvDUPXn1+hVh7ziEy27/MxC1GKuMDwK5J8XVhB+g:01XKC2XdLj+JLSX1kEE/M4wK/wK5qVH9

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.oceanskylogistics.in
Port:
587
Username:
export@oceanskylogistics.in
Password:
Oce@n@1234
Email To:
jose.oliveirea655@gmail.com

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. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2196-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2196-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2196-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2196-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2196-40-0x0000000004AE0000-0x0000000004B20000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2196-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2196-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2196-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2196-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2196-40-0x0000000004AE0000-0x0000000004B20000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3004-4-0x0000000000610000-0x000000000061C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2196-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2196-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2196-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2196-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2196-40-0x0000000004AE0000-0x0000000004B20000-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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2196-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2196-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2196-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2196-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2196-40-0x0000000004AE0000-0x0000000004B20000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2196-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2196-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2196-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2196-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2196-40-0x0000000004AE0000-0x0000000004B20000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2196-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2196-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2196-33-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2196-38-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2196-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2196-40-0x0000000004AE0000-0x0000000004B20000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\JLfew = "C:\\Users\\Admin\\AppData\\Roaming\\JLfew\\JLfew.exe"	RegSvcs.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe

description	pid	process	target process
PID 3004 set thread context of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.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

2684 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exepowershell.exeRegSvcs.exe

pid process

2848 powershell.exe
2672 powershell.exe
2196 RegSvcs.exe
2196 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2848 powershell.exe
Token: SeDebugPrivilege 2672 powershell.exe
Token: SeDebugPrivilege 2196 RegSvcs.exe

pid	process
2684	schtasks.exe

pid	process
2848	powershell.exe
2672	powershell.exe
2196	RegSvcs.exe
2196	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2672	powershell.exe
Token: SeDebugPrivilege	2196	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe

description	pid	process	target process
PID 3004 wrote to memory of 2848	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3004 wrote to memory of 2848	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3004 wrote to memory of 2848	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3004 wrote to memory of 2848	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3004 wrote to memory of 2672	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3004 wrote to memory of 2672	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3004 wrote to memory of 2672	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3004 wrote to memory of 2672	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	powershell.exe
PID 3004 wrote to memory of 2684	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	schtasks.exe
PID 3004 wrote to memory of 2684	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	schtasks.exe
PID 3004 wrote to memory of 2684	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	schtasks.exe
PID 3004 wrote to memory of 2684	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	schtasks.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe
PID 3004 wrote to memory of 2196	3004	b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe
"C:\Users\Admin\AppData\Local\Temp\b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3004

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\b9b4d87c84f6baf4e71845c26c43e70b7c1c6d06a94e4a87df17a7e8dcf5530a.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2848

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uJJKThDIVHPLhE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2672

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uJJKThDIVHPLhE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp901F.tmp"
2⤵
- Creates scheduled task(s)
PID:2684

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2196

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

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp901F.tmp
Filesize
1KB

MD5
891569d5a23cacaa11548bc6d82ee94f

SHA1
a537478b63bd73835f5603e0f1af79d63ad53beb

SHA256
50767a9af4996cb7c052e2432ca603b6882cffa357b09bf5398e89c3e283449d

SHA512
de5512dcd7c72208b2fc6c4850aaec80b66b311ed1074ac611bf3b1b6e584c9dd75f37d694a7cd8996e163590290c4663bef3169b0740be633dc7b1c7967c913

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\DWYIP6N622XLBQT5B22M.temp
Filesize
7KB

MD5
fc24d9ea072ac85a4e887006df5688db

SHA1
30262a2000574cacf99b63f39ee3f932bf4908d1

SHA256
ff698b2f6900d00359a6a40594dfcf25b8d0e3678b4ab54f3282e5ee93e32caa

SHA512
4532750339ed830c8528ff5508439cf86367de2cf0a02ec0e3ece42fc828d72cbb446b1f651bf4e3acd8d45d6be80fb9bff5b53fb59c43b8baf108da07e83951

Download Submit
memory/2196-38-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2196-39-0x0000000072A90000-0x000000007317E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2196-58-0x0000000072A90000-0x000000007317E000-memory.dmp

Filesize
6.9MB

Download
memory/2196-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2196-40-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/2196-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2196-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2196-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2196-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2196-59-0x0000000004AE0000-0x0000000004B20000-memory.dmp

Filesize
256KB

Download
memory/2196-33-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2672-22-0x000000006DA40000-0x000000006DFEB000-memory.dmp

Filesize
5.7MB

Download
memory/2672-41-0x000000006DA40000-0x000000006DFEB000-memory.dmp

Filesize
5.7MB

Download
memory/2672-18-0x000000006DA40000-0x000000006DFEB000-memory.dmp

Filesize
5.7MB

Download
memory/2672-24-0x0000000002880000-0x00000000028C0000-memory.dmp

Filesize
256KB

Download
memory/2848-19-0x000000006DA40000-0x000000006DFEB000-memory.dmp

Filesize
5.7MB

Download
memory/2848-23-0x00000000028B0000-0x00000000028F0000-memory.dmp

Filesize
256KB

Download
memory/2848-21-0x000000006DA40000-0x000000006DFEB000-memory.dmp

Filesize
5.7MB

Download
memory/2848-20-0x00000000028B0000-0x00000000028F0000-memory.dmp

Filesize
256KB

Download
memory/2848-42-0x000000006DA40000-0x000000006DFEB000-memory.dmp

Filesize
5.7MB

Download
memory/3004-0-0x0000000000DF0000-0x0000000000E9A000-memory.dmp

Filesize
680KB

Download
memory/3004-37-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-3-0x0000000000290000-0x00000000002A2000-memory.dmp

Filesize
72KB

Download
memory/3004-1-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/3004-2-0x0000000004F10000-0x0000000004F50000-memory.dmp

Filesize
256KB

Download
memory/3004-5-0x0000000005300000-0x0000000005384000-memory.dmp

Filesize
528KB

Download
memory/3004-4-0x0000000000610000-0x000000000061C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads