agenttesla | a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b

Analysis

max time kernel
140s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 01:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe
Size

5.3MB
MD5

2c691d79bb133642dea7bc247c534b0e
SHA1

9bf7060f190d7292c24299a804d91a333ba50b77
SHA256

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b
SHA512

dfd34d6a42c31bd367b7079b66fc5b8faf4e8bfc9c9428d65a21237c3071cce446dbecadb50de10a0e5ee4abd0e2a0523fdb879ea9f527604e526f394a5cecd5
SSDEEP

49152:Q0VwdfLTo8j/FtoY1qIKOMhyeSjIgF5evYON7zlCoX9sZHB5hiPs2yUsFg7+YKhj:3AD6yezdNNY5hB2yUZ+z7TyummR4e

Score

10^/10

agenttesla evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6312623109:AAGtX98kZFAPlUeO2CGNX3OW_wCX5mSaacA/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/572-18-0x0000000000400000-0x0000000000444000-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/572-18-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

Processes:

resource	yara_rule
behavioral2/memory/572-18-0x0000000000400000-0x0000000000444000-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/572-18-0x0000000000400000-0x0000000000444000-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/572-18-0x0000000000400000-0x0000000000444000-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/572-18-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2916 powershell.exe

pid	process
2916	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

jsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TulzXve = "C:\\Users\\Admin\\AppData\\Roaming\\TulzXve\\TulzXve.exe"	jsc.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.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

35 api.ipify.org
34 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

description pid process target process

PID 4752 set thread context of 572 4752 a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe jsc.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exepowershell.exejsc.exe

pid process

4752 a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe
2916 powershell.exe
2916 powershell.exe
572 jsc.exe
572 jsc.exe
572 jsc.exe

flow	ioc
35	api.ipify.org
34	api.ipify.org

description	pid	process	target process
PID 4752 set thread context of 572	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe

pid	process
4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe
2916	powershell.exe
2916	powershell.exe
572	jsc.exe
572	jsc.exe
572	jsc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exepowershell.exejsc.exe

description	pid	process
Token: SeDebugPrivilege	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe
Token: SeDebugPrivilege	2916	powershell.exe
Token: SeDebugPrivilege	572	jsc.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

description	pid	process	target process
PID 4752 wrote to memory of 2916	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	powershell.exe
PID 4752 wrote to memory of 2916	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	powershell.exe
PID 4752 wrote to memory of 572	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 4752 wrote to memory of 572	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 4752 wrote to memory of 572	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 4752 wrote to memory of 572	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 4752 wrote to memory of 572	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 4752 wrote to memory of 572	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 4752 wrote to memory of 572	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 4752 wrote to memory of 572	4752	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

C:\Users\Admin\AppData\Local\Temp\a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe
"C:\Users\Admin\AppData\Local\Temp\a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4752

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe" -Force
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2916

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:572

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=3808 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:3764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3yhlj3ng.nkr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/572-22-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/572-21-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/572-27-0x00000000069D0000-0x0000000006A6C000-memory.dmp

Filesize
624KB

Download
memory/572-26-0x00000000068E0000-0x0000000006930000-memory.dmp

Filesize
320KB

Download
memory/572-19-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/572-24-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/572-23-0x0000000005110000-0x0000000005176000-memory.dmp

Filesize
408KB

Download
memory/572-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/572-20-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/2916-13-0x00007FFD774B0000-0x00007FFD77F71000-memory.dmp

Filesize
10.8MB

Download
memory/2916-17-0x00007FFD774B0000-0x00007FFD77F71000-memory.dmp

Filesize
10.8MB

Download
memory/2916-0-0x00007FFD774B3000-0x00007FFD774B5000-memory.dmp

Filesize
8KB

Download
memory/2916-10-0x0000022564950000-0x0000022564972000-memory.dmp

Filesize
136KB

Download
memory/2916-14-0x00007FFD774B0000-0x00007FFD77F71000-memory.dmp

Filesize
10.8MB

Download
memory/2916-12-0x00007FFD774B0000-0x00007FFD77F71000-memory.dmp

Filesize
10.8MB

Download
memory/2916-11-0x00007FFD774B0000-0x00007FFD77F71000-memory.dmp

Filesize
10.8MB

Download