agenttesla | 42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c

General

Target

42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe
Size

2.5MB
MD5

c163f82f93854f7ecef89918f4c451aa
SHA1

6a83f7afea5b172ad5477268df85c3e97a9d66bb
SHA256

42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c
SHA512

05cb0d37984239d189a36d23a9d1d6f00a88ffef466953a562fdc6b6a946dd895c521a02ef0dadbb3e720cb7e7a7a702a49fda32e6bbdee5c973532e2be6a1bc
SSDEEP

24576:dqCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJhe7Lg31+mYGnKBFsJETXHOatwOF1:dP6hSrcCPT0J7Lg31+mYGnKDTTXj1F1

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
BTwcMq@2
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. 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1208-1-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1208-5-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1208-3-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1208-1-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1208-5-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1208-3-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1208-1-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1208-5-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1208-3-0x0000000000400000-0x0000000000440000-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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1208-1-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1208-5-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1208-3-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1208-1-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1208-5-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1208-3-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1208-1-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1208-5-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1208-3-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c = "\"C:\\Users\\Admin\\42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe\""	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe

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:

42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe

description	pid	process	target process
PID 1964 set thread context of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

installutil.exe

pid process

1208 installutil.exe
1208 installutil.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

installutil.exe

description pid process

Token: SeDebugPrivilege 1208 installutil.exe

pid	process
1208	installutil.exe
1208	installutil.exe

description	pid	process
Token: SeDebugPrivilege	1208	installutil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe

description	pid	process	target process
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe
PID 1964 wrote to memory of 1208	1964	42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe	installutil.exe

C:\Users\Admin\AppData\Local\Temp\42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe
"C:\Users\Admin\AppData\Local\Temp\42e8e92b3d896847b07274501b2e8f2e0644006899cadf4e27f7b01de764a56c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1964

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:1208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1208-1-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1208-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1208-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1208-6-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/1208-7-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/1208-8-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/1208-9-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads