agenttesla | bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0

General

Target

bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe
Size

611KB
MD5

82272ca181615bcb6140c9b87b80ae5b
SHA1

f6da66b6f5a95d672a163ceb22b82c874900731f
SHA256

bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0
SHA512

4ac69d63090199df3272c16dace357815428bd4c4670d55072c72dd992321b29bcbcc029c7ae7a8c515977bfcb5413a5e547ade1574fb7f29d955e51c17380b6
SSDEEP

12288:r3S0qbp/+dxy90ACtq+JYC9C4FaN9H/BOF88/gX5QQrDjmJqi9Fuht:rwF+PyyrtqY9C4sN9H/cF88/uNDyci9q

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
tqpas.com
Port:
587
Username:
[email protected]
Password:
Ot939393!
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. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2268-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2268-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2268-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2268-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2268-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2268-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2268-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2268-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1244-4-0x00000000005F0000-0x0000000000682000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2268-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2268-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2268-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2268-14-0x0000000000400000-0x0000000000440000-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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2268-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2268-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2268-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2268-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2268-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2268-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2268-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2268-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-9-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2268-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2268-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2268-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2268-14-0x0000000000400000-0x0000000000440000-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

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe

description	pid	process	target process
PID 1244 set thread context of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

installutil.exe

pid process

2268 installutil.exe
2268 installutil.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

installutil.exe

description pid process

Token: SeDebugPrivilege 2268 installutil.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

installutil.exe

pid process

2268 installutil.exe

pid	process
2268	installutil.exe
2268	installutil.exe

description	pid	process
Token: SeDebugPrivilege	2268	installutil.exe

pid	process
2268	installutil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe

description	pid	process	target process
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2268	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	installutil.exe
PID 1244 wrote to memory of 2916	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	WerFault.exe
PID 1244 wrote to memory of 2916	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	WerFault.exe
PID 1244 wrote to memory of 2916	1244	bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe
"C:\Users\Admin\AppData\Local\Temp\bbf5f331a06a6d9a091a3348796acae9565360c129715b658a5c41109b2842e0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1244

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2268

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1244 -s 632
2⤵
PID:2916

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1244-0-0x000007FEF5EE3000-0x000007FEF5EE4000-memory.dmp

Filesize
4KB

Download
memory/1244-1-0x0000000000C10000-0x0000000000C1E000-memory.dmp

Filesize
56KB

Download
memory/1244-2-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/1244-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1244-4-0x00000000005F0000-0x0000000000682000-memory.dmp

Filesize
584KB

Download
memory/1244-36-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/1244-35-0x000007FEF5EE3000-0x000007FEF5EE4000-memory.dmp

Filesize
4KB

Download
memory/2268-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2268-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2268-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2268-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2268-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2268-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2268-19-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/2268-20-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2268-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2268-37-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/2268-38-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads