agenttesla | c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc

General

Target

c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe
Size

602KB
MD5

8f1dad67ea5f8db133cec0b34d1b32f3
SHA1

4731e8f991ce738b500891231a3693f836844f31
SHA256

c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc
SHA512

e3a0842a58f7a5b9066dffe5e782a37e87d727f48f2f1cb0eb925235f8f55a750c67af468bfd66cab3431e333dc1c798c1a733db9ccc1c4d8c4e5f19d879366c
SSDEEP

12288:rXwGWl7Bl/utqslUIqkhc+TcF7Z+xth++ADASLca/V2V5I0GFnhQHbgS6judRuG9:T6L/uclBkuZ+xtx+R/VSyrFhob0jQRJp

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. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2948-6-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2948-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2948-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2948-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2948-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2948-21-0x0000000004AA0000-0x0000000004AE0000-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/2948-6-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2948-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2948-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2948-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2948-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2948-21-0x0000000004AA0000-0x0000000004AE0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2108-3-0x000000001A7B0000-0x000000001A846000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

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

Processes:

resource	yara_rule
behavioral1/memory/2948-6-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2948-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2948-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2948-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2948-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2948-21-0x0000000004AA0000-0x0000000004AE0000-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/2948-6-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2948-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2948-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2948-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2948-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2948-21-0x0000000004AA0000-0x0000000004AE0000-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/2948-6-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2948-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2948-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2948-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2948-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2948-21-0x0000000004AA0000-0x0000000004AE0000-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/2948-6-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2948-8-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2948-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2948-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2948-15-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2948-21-0x0000000004AA0000-0x0000000004AE0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Suspicious use of SetThreadContext 1 IoCs

Processes:

c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe

description	pid	process	target process
PID 2108 set thread context of 2948	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

AddInProcess32.exe

pid process

2948 AddInProcess32.exe
2948 AddInProcess32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AddInProcess32.exe

description pid process

Token: SeDebugPrivilege 2948 AddInProcess32.exe

pid	process
2948	AddInProcess32.exe
2948	AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	2948	AddInProcess32.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe

description	pid	process	target process
PID 2108 wrote to memory of 2948	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	AddInProcess32.exe
PID 2108 wrote to memory of 2948	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	AddInProcess32.exe
PID 2108 wrote to memory of 2948	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	AddInProcess32.exe
PID 2108 wrote to memory of 2948	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	AddInProcess32.exe
PID 2108 wrote to memory of 2948	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	AddInProcess32.exe
PID 2108 wrote to memory of 2948	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	AddInProcess32.exe
PID 2108 wrote to memory of 2948	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	AddInProcess32.exe
PID 2108 wrote to memory of 2948	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	AddInProcess32.exe
PID 2108 wrote to memory of 2948	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	AddInProcess32.exe
PID 2108 wrote to memory of 3024	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	WerFault.exe
PID 2108 wrote to memory of 3024	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	WerFault.exe
PID 2108 wrote to memory of 3024	2108	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe
"C:\Users\Admin\AppData\Local\Temp\c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2108

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2108 -s 720
2⤵
PID:3024

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2108-0-0x0000000000870000-0x0000000000878000-memory.dmp

Filesize
32KB

Download
memory/2108-1-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp

Filesize
9.9MB

Download
memory/2108-2-0x000000001B2F0000-0x000000001B370000-memory.dmp

Filesize
512KB

Download
memory/2108-3-0x000000001A7B0000-0x000000001A846000-memory.dmp

Filesize
600KB

Download
memory/2108-19-0x000000001B2F0000-0x000000001B370000-memory.dmp

Filesize
512KB

Download
memory/2108-18-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp

Filesize
9.9MB

Download
memory/2948-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2948-8-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2948-6-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2948-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2948-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2948-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2948-16-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-17-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

Filesize
256KB

Download
memory/2948-5-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2948-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2948-20-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2948-21-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads