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

Credentials

Protocol: smtp
Host:
v116306.kasserver.com
Port:
587
Username:
[email protected]
Password:
T7qkM5vwo3t47fFh

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. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4504-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4504-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1952-3-0x00000216C7A00000-0x00000216C7A96000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4504-4-0x0000000000400000-0x0000000000444000-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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4504-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4504-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4504-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

Processes:

c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe

description	pid	process	target process
PID 1952 set thread context of 4504	1952	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	regasm.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

regasm.exe

pid process

4504 regasm.exe
4504 regasm.exe
4504 regasm.exe
4504 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 4504 regasm.exe

pid	process
4504	regasm.exe
4504	regasm.exe
4504	regasm.exe
4504	regasm.exe

description	pid	process
Token: SeDebugPrivilege	4504	regasm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe

description	pid	process	target process
PID 1952 wrote to memory of 4504	1952	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	regasm.exe
PID 1952 wrote to memory of 4504	1952	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	regasm.exe
PID 1952 wrote to memory of 4504	1952	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	regasm.exe
PID 1952 wrote to memory of 4504	1952	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	regasm.exe
PID 1952 wrote to memory of 4504	1952	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	regasm.exe
PID 1952 wrote to memory of 4504	1952	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	regasm.exe
PID 1952 wrote to memory of 4504	1952	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	regasm.exe
PID 1952 wrote to memory of 4504	1952	c5e19b4aa3f82436910d009a5f36bdddf44314f6a68f6cd9314d6b958382d9fc.exe	regasm.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:1952

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4504

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:4580

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1952-6-0x00007FFEABB00000-0x00007FFEAC5C1000-memory.dmp

Filesize
10.8MB

Download
memory/1952-1-0x00007FFEABB00000-0x00007FFEAC5C1000-memory.dmp

Filesize
10.8MB

Download
memory/1952-2-0x00000216AE8E0000-0x00000216AE8F0000-memory.dmp

Filesize
64KB

Download
memory/1952-3-0x00000216C7A00000-0x00000216C7A96000-memory.dmp

Filesize
600KB

Download
memory/1952-0-0x00000216ACC10000-0x00000216ACC18000-memory.dmp

Filesize
32KB

Download
memory/1952-5-0x00007FFEABB00000-0x00007FFEAC5C1000-memory.dmp

Filesize
10.8MB

Download
memory/4504-8-0x00000000056A0000-0x0000000005C44000-memory.dmp

Filesize
5.6MB

Download
memory/4504-7-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/4504-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4504-9-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/4504-10-0x00000000050F0000-0x0000000005156000-memory.dmp

Filesize
408KB

Download
memory/4504-11-0x0000000005EA0000-0x0000000005EF0000-memory.dmp

Filesize
320KB

Download
memory/4504-12-0x0000000006220000-0x00000000062BC000-memory.dmp

Filesize
624KB

Download
memory/4504-13-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/4504-14-0x00000000066A0000-0x0000000006732000-memory.dmp

Filesize
584KB

Download
memory/4504-15-0x0000000006680000-0x000000000668A000-memory.dmp

Filesize
40KB

Download
memory/4504-16-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads