agenttesla | 143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2

General

Target

143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
Size

668KB
MD5

a4e1da4de6991f0e7e6de4ab3497563c
SHA1

55fa99225cb02841d4b8bd4d207831f8631fe855
SHA256

143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2
SHA512

6c7dbda6d53963f5f20a150cc56f537d86a397f63e214c98ce78f110481cecdd2c36219a9ea9af17376d5ab0e1f6b86dfc4fdadcfa10529960de01660344d59c
SSDEEP

12288:Gf2Ov+kR/c07tYZLyOJ1nlffll8QNOBf7sjqDz6/wM5pu+BfjhKfAie:wFRU0BYZOEvlHkojSz63tKbe

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
v116306.kasserver.com
Port:
587
Username:
[email protected]
Password:
T7qkM5vwo3t47fFh
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/1148-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1148-10-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1148-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1148-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1148-17-0x0000000000400000-0x0000000000444000-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/1148-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1148-10-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1148-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1148-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1148-17-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/620-3-0x0000000000D00000-0x0000000000D98000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

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

Processes:

resource	yara_rule
behavioral1/memory/1148-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1148-10-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1148-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1148-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1148-17-0x0000000000400000-0x0000000000444000-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/1148-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1148-10-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1148-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1148-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1148-17-0x0000000000400000-0x0000000000444000-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/1148-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1148-10-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1148-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1148-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1148-17-0x0000000000400000-0x0000000000444000-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/1148-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1148-10-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1148-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1148-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1148-17-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Suspicious use of SetThreadContext 1 IoCs

Processes:

143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe

description	pid	process	target process
PID 620 set thread context of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exeinstallutil.exe

pid	process
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
1148	installutil.exe
1148	installutil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exeinstallutil.exe

description	pid	process
Token: SeDebugPrivilege	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
Token: SeDebugPrivilege	1148	installutil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe

description	pid	process	target process
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 1148	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	installutil.exe
PID 620 wrote to memory of 2688	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	WerFault.exe
PID 620 wrote to memory of 2688	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	WerFault.exe
PID 620 wrote to memory of 2688	620	143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe
"C:\Users\Admin\AppData\Local\Temp\143255a5ba28e866c50698c6ba81c7aa37cc517dd3499754136be7cea093afb2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:620

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
PID:1148

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 620 -s 740
2⤵
PID:2688

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/620-0-0x0000000000DB0000-0x0000000000DC8000-memory.dmp

Filesize
96KB

Download
memory/620-1-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp

Filesize
9.9MB

Download
memory/620-2-0x000000001B370000-0x000000001B3F0000-memory.dmp

Filesize
512KB

Download
memory/620-3-0x0000000000D00000-0x0000000000D98000-memory.dmp

Filesize
608KB

Download
memory/620-21-0x000000001B370000-0x000000001B3F0000-memory.dmp

Filesize
512KB

Download
memory/620-20-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp

Filesize
9.9MB

Download
memory/1148-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1148-10-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1148-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1148-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1148-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1148-17-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1148-18-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/1148-19-0x00000000008E0000-0x0000000000920000-memory.dmp

Filesize
256KB

Download
memory/1148-6-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1148-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1148-22-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/1148-23-0x00000000008E0000-0x0000000000920000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads