agenttesla | 737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd

Analysis

max time kernel
138s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17-05-2024 01:34

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General

Target

737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
Size

852KB
MD5

f658555b9922ffdbadcf27a7cf6a6338
SHA1

b3f0ee363e1f8e2336d20d5eb127e0fb4a8fecad
SHA256

737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd
SHA512

340c779d871441d87360d461ce7d6290deabdc2efd11440d160e85d07bf37b64f845b6ae1c0ccc64b834c53acacc20dbae6dc0cc3e1c7ae1aaa242e42971847a
SSDEEP

24576:zmeb4lTN8+WgtV3+vlpu2ostSDuFMd/GlPb:zv4lq6lss23tSTd/GlP

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
ifeanyi@12

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
ifeanyi@12
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

resource	yara_rule
behavioral2/memory/4076-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

resource	yara_rule
behavioral2/memory/4076-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral2/memory/4076-46-0x0000000000400000-0x0000000000442000-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

resource	yara_rule
behavioral2/memory/4076-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

resource	yara_rule
behavioral2/memory/4076-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

resource	yara_rule
behavioral2/memory/4076-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4168	powershell.exe
1548	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe

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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
28	api.ipify.org
29	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1600 set thread context of 4076	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	101

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1068	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
4168	powershell.exe
4168	powershell.exe
1548	powershell.exe
1548	powershell.exe
1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
1548	powershell.exe
4168	powershell.exe
4076	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
4076	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
Token: SeDebugPrivilege	4168	powershell.exe
Token: SeDebugPrivilege	1548	powershell.exe
Token: SeDebugPrivilege	4076	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4076	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 4168	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	94
PID 1600 wrote to memory of 4168	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	94
PID 1600 wrote to memory of 4168	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	94
PID 1600 wrote to memory of 1548	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	96
PID 1600 wrote to memory of 1548	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	96
PID 1600 wrote to memory of 1548	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	96
PID 1600 wrote to memory of 1068	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	98
PID 1600 wrote to memory of 1068	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	98
PID 1600 wrote to memory of 1068	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	98
PID 1600 wrote to memory of 1300	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	100
PID 1600 wrote to memory of 1300	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	100
PID 1600 wrote to memory of 1300	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	100
PID 1600 wrote to memory of 4076	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	101
PID 1600 wrote to memory of 4076	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	101
PID 1600 wrote to memory of 4076	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	101
PID 1600 wrote to memory of 4076	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	101
PID 1600 wrote to memory of 4076	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	101
PID 1600 wrote to memory of 4076	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	101
PID 1600 wrote to memory of 4076	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	101
PID 1600 wrote to memory of 4076	1600	737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe	101

C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
"C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4168
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CbRuDkAHPqI.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1548
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CbRuDkAHPqI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA48D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1068
- C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
  "C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"
  2⤵
  PID:1300
- C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe
  "C:\Users\Admin\AppData\Local\Temp\737d6ccf608a12eee75a0451b10b982db7406a3930b07039103e64802b3e9bbd.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
8469f2b79edf59c933af063c6d9c5515

SHA1
7f091427481a58ac6af08e0ab8cab3db7e25386d

SHA256
a91d0a7db3ac47042c96577cc03848eabbc166c4a8cb3c26a0fad8544f052cfe

SHA512
c878b87d4855071312fabda7083d5462ddd0677fae63598a82e21a84f9ea9ce873507fee6ce71a399b53134f650f6727666101e9960b953463b4ba664795b617

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x4la3wzn.gqc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA48D.tmp

Filesize
1KB

MD5
97e095055c6fabe58dfb24ce352336fb

SHA1
b26b68ddd0d8846c15f7bf0ab090f9755a60a964

SHA256
b1e429165d43d2969926dcc07cc6515824c75407b82bfb01603093fd54de0d1f

SHA512
9e51d471e0321a95b0a0427abada6fc899633fb8c30b7a5a58d4484a05f25795663fac04b8dd07defcc85adf1817a5128d918e00d181241690993de442aa9231

Download Submit
memory/1548-48-0x0000000006220000-0x000000000623E000-memory.dmp

Filesize
120KB

Download
memory/1548-51-0x00000000067F0000-0x0000000006822000-memory.dmp

Filesize
200KB

Download
memory/1548-63-0x0000000007210000-0x00000000072B3000-memory.dmp

Filesize
652KB

Download
memory/1548-62-0x00000000071F0000-0x000000000720E000-memory.dmp

Filesize
120KB

Download
memory/1548-50-0x0000000006270000-0x00000000062BC000-memory.dmp

Filesize
304KB

Download
memory/1548-77-0x00000000077D0000-0x0000000007866000-memory.dmp

Filesize
600KB

Download
memory/1548-79-0x0000000007780000-0x000000000778E000-memory.dmp

Filesize
56KB

Download
memory/1548-45-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1548-78-0x0000000007750000-0x0000000007761000-memory.dmp

Filesize
68KB

Download
memory/1548-52-0x0000000075890000-0x00000000758DC000-memory.dmp

Filesize
304KB

Download
memory/1548-65-0x0000000007550000-0x000000000756A000-memory.dmp

Filesize
104KB

Download
memory/1548-85-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1548-64-0x0000000007B90000-0x000000000820A000-memory.dmp

Filesize
6.5MB

Download
memory/1548-23-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1548-80-0x0000000007790000-0x00000000077A4000-memory.dmp

Filesize
80KB

Download
memory/1548-66-0x00000000075C0000-0x00000000075CA000-memory.dmp

Filesize
40KB

Download
memory/1548-35-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1548-34-0x0000000005BE0000-0x0000000005F34000-memory.dmp

Filesize
3.3MB

Download
memory/1600-9-0x0000000006110000-0x0000000006192000-memory.dmp

Filesize
520KB

Download
memory/1600-7-0x0000000004D60000-0x0000000004D7E000-memory.dmp

Filesize
120KB

Download
memory/1600-1-0x00000000000A0000-0x000000000017C000-memory.dmp

Filesize
880KB

Download
memory/1600-2-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/1600-10-0x0000000008790000-0x000000000882C000-memory.dmp

Filesize
624KB

Download
memory/1600-49-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1600-8-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/1600-0-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

Filesize
4KB

Download
memory/1600-6-0x00000000050E0000-0x0000000005184000-memory.dmp

Filesize
656KB

Download
memory/1600-5-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1600-4-0x0000000004A30000-0x0000000004A3A000-memory.dmp

Filesize
40KB

Download
memory/1600-3-0x0000000004AC0000-0x0000000004B52000-memory.dmp

Filesize
584KB

Download
memory/4076-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4076-90-0x0000000006EA0000-0x0000000006EF0000-memory.dmp

Filesize
320KB

Download
memory/4168-16-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/4168-67-0x0000000075890000-0x00000000758DC000-memory.dmp

Filesize
304KB

Download
memory/4168-20-0x00000000053E0000-0x0000000005402000-memory.dmp

Filesize
136KB

Download
memory/4168-21-0x0000000005BB0000-0x0000000005C16000-memory.dmp

Filesize
408KB

Download
memory/4168-22-0x0000000005D20000-0x0000000005D86000-memory.dmp

Filesize
408KB

Download
memory/4168-81-0x0000000007A20000-0x0000000007A3A000-memory.dmp

Filesize
104KB

Download
memory/4168-82-0x0000000007A00000-0x0000000007A08000-memory.dmp

Filesize
32KB

Download
memory/4168-19-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/4168-18-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/4168-17-0x0000000005510000-0x0000000005B38000-memory.dmp

Filesize
6.2MB

Download
memory/4168-89-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/4168-15-0x0000000002A80000-0x0000000002AB6000-memory.dmp

Filesize
216KB

Download