agenttesla | 266bbc855f7bfabdb34ff1c9a53d567f1edc98640e160dcef7539d1e0b24796c

General

Target

BL-SHIPPING INVOICE.exe
Size

671KB
MD5

3c6f9e3babe0abf7f7cffdd5973478a4
SHA1

2116090a920f00e5c49efda9b5cf500a4f14ed6e
SHA256

b700c973b1bf8d288ca8cfff7d713485f9792d8901e6658bd419ecf7cee76168
SHA512

16aefedff829988315bae1ba9043ad666dc5b8847ee41596f7d09626835204a5963b47bbc5688f7a03de55da25ff4290299add2b7e76ee9715c3ac34b3c22d8f
SSDEEP

12288:iI0YOwqjCGFiycXxUmyKJu11k8faIsXjpfKF/1+QxX6IqprwSab:dO7ho7RbWBKXN03t+o

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg3plcpnl0020.prod.sin3.secureserver.net
Port:
587
Username:
[email protected]
Password:
gaging@2022
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. 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2832-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2832-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2628-33-0x0000000002800000-0x0000000002840000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2832-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2832-39-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2832-42-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2832-48-0x0000000004790000-0x00000000047D0000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2832-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2832-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2628-33-0x0000000002800000-0x0000000002840000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2832-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2832-39-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2832-42-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2832-48-0x0000000004790000-0x00000000047D0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1540-4-0x0000000000490000-0x000000000049C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing Windows vault credential objects. Observed in infostealers 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2832-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2832-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2628-33-0x0000000002800000-0x0000000002840000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2832-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2832-39-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2832-42-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2832-48-0x0000000004790000-0x00000000047D0000-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 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2832-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2832-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2628-33-0x0000000002800000-0x0000000002840000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2832-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2832-39-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2832-42-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2832-48-0x0000000004790000-0x00000000047D0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2832-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2832-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2628-33-0x0000000002800000-0x0000000002840000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2832-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2832-39-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2832-42-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2832-48-0x0000000004790000-0x00000000047D0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2832-26-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2832-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2628-33-0x0000000002800000-0x0000000002840000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2832-35-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2832-39-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2832-42-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2832-48-0x0000000004790000-0x00000000047D0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

BL-SHIPPING INVOICE.exe

description pid process target process

PID 1540 set thread context of 2832 1540 BL-SHIPPING INVOICE.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

2648 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

BL-SHIPPING INVOICE.exepowershell.exepowershell.exeRegSvcs.exe

pid process

1540 BL-SHIPPING INVOICE.exe
1540 BL-SHIPPING INVOICE.exe
2640 powershell.exe
2628 powershell.exe
2832 RegSvcs.exe
2832 RegSvcs.exe

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

description	pid	process	target process
PID 1540 set thread context of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe

pid	process
2648	schtasks.exe

pid	process
1540	BL-SHIPPING INVOICE.exe
1540	BL-SHIPPING INVOICE.exe
2640	powershell.exe
2628	powershell.exe
2832	RegSvcs.exe
2832	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

BL-SHIPPING INVOICE.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1540	BL-SHIPPING INVOICE.exe
Token: SeDebugPrivilege	2640	powershell.exe
Token: SeDebugPrivilege	2628	powershell.exe
Token: SeDebugPrivilege	2832	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

BL-SHIPPING INVOICE.exe

description	pid	process	target process
PID 1540 wrote to memory of 2640	1540	BL-SHIPPING INVOICE.exe	powershell.exe
PID 1540 wrote to memory of 2640	1540	BL-SHIPPING INVOICE.exe	powershell.exe
PID 1540 wrote to memory of 2640	1540	BL-SHIPPING INVOICE.exe	powershell.exe
PID 1540 wrote to memory of 2640	1540	BL-SHIPPING INVOICE.exe	powershell.exe
PID 1540 wrote to memory of 2628	1540	BL-SHIPPING INVOICE.exe	powershell.exe
PID 1540 wrote to memory of 2628	1540	BL-SHIPPING INVOICE.exe	powershell.exe
PID 1540 wrote to memory of 2628	1540	BL-SHIPPING INVOICE.exe	powershell.exe
PID 1540 wrote to memory of 2628	1540	BL-SHIPPING INVOICE.exe	powershell.exe
PID 1540 wrote to memory of 2648	1540	BL-SHIPPING INVOICE.exe	schtasks.exe
PID 1540 wrote to memory of 2648	1540	BL-SHIPPING INVOICE.exe	schtasks.exe
PID 1540 wrote to memory of 2648	1540	BL-SHIPPING INVOICE.exe	schtasks.exe
PID 1540 wrote to memory of 2648	1540	BL-SHIPPING INVOICE.exe	schtasks.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe
PID 1540 wrote to memory of 2832	1540	BL-SHIPPING INVOICE.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540

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\BL-SHIPPING INVOICE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2640

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GkawdObQE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GkawdObQE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9981.tmp"
2⤵
- Creates scheduled task(s)
PID:2648

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2832

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

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\tmp9981.tmp
Filesize
1KB

MD5
2bfdf54b8972c26b09fc356cd56b1182

SHA1
0c6220400ccb695ba1c6f58daba54866a9f9c623

SHA256
89e0020971fe8faddb4e2314f2ce72b7619ab355d4958db8b3c20770b9796df1

SHA512
5f049e5c7daaf3ffeba5fd2ddbece9916d32d5b2cd45be748db82f9f4cf2bdc746fa549eb9543aaee88c40cebb2ada1da5ef2039738d87aba9414269c62495cd

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FZ87RQ1J99N4NVFD94W8.temp
Filesize
7KB

MD5
8e8b529c703a1e3fa0e7fe9f6b526faf

SHA1
068fbb565e31671afdf1e2195d5e02a677d1ecef

SHA256
25991857b362653693944d88292526bbd0e3abe822113d02cc7c160c98f642bd

SHA512
0caecbd02492e4a4ff2034e85f76327bec55b1780dc48a1130b6b71a6113b97c98f3e5b3854e9c93ff6bfb3003dbffa7bbf734f10a2fbeae5a58b1fa33c12874

Download Submit
memory/1540-0-0x0000000000C80000-0x0000000000D2E000-memory.dmp

Filesize
696KB

Download
memory/1540-1-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/1540-2-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/1540-3-0x0000000000500000-0x000000000051A000-memory.dmp

Filesize
104KB

Download
memory/1540-4-0x0000000000490000-0x000000000049C000-memory.dmp

Filesize
48KB

Download
memory/1540-5-0x00000000052E0000-0x0000000005364000-memory.dmp

Filesize
528KB

Download
memory/1540-40-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2628-29-0x000000006FA90000-0x000000007003B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-20-0x0000000002800000-0x0000000002840000-memory.dmp

Filesize
256KB

Download
memory/2628-46-0x000000006FA90000-0x000000007003B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-18-0x000000006FA90000-0x000000007003B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-38-0x0000000002800000-0x0000000002840000-memory.dmp

Filesize
256KB

Download
memory/2628-33-0x0000000002800000-0x0000000002840000-memory.dmp

Filesize
256KB

Download
memory/2640-45-0x000000006FA90000-0x000000007003B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-23-0x000000006FA90000-0x000000007003B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-19-0x000000006FA90000-0x000000007003B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-31-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2640-37-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2832-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-39-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-42-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-43-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2832-44-0x0000000004790000-0x00000000047D0000-memory.dmp

Filesize
256KB

Download
memory/2832-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2832-47-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2832-48-0x0000000004790000-0x00000000047D0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads