agenttesla | e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79

Analysis

max time kernel
121s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 01:16

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General

Target

e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe
Size

741KB
MD5

41bf67688c5d58f536ebb1e27d51b50e
SHA1

cc661142c6397d38e969b34fadd4f71d094d86b0
SHA256

e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79
SHA512

7fb60b14826f7c4f5a330441a06e9e1a4726f0e142f3bdb7fe0abccc59a76047d004ef7d1b21a90bc72540db546aa853433ce4838068352c597ebb2a7ebbd746
SSDEEP

12288:a2LbWa+kkFv6re6vkrIRlFgyVSTh15UilAkUAGSkaAlduLJ:gk+v6rec2KEyVW1ZUAIpCJ

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
Email To:
[email protected]

Signatures

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

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
3196	powershell.exe
540	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.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.

flow	ioc
17	api.ipify.org
18	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5072 set thread context of 3912	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	91

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe
540	powershell.exe
3196	powershell.exe
5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe
5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe
5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe
3912	RegSvcs.exe
3912	RegSvcs.exe
540	powershell.exe
3196	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe
Token: SeDebugPrivilege	540	powershell.exe
Token: SeDebugPrivilege	3196	powershell.exe
Token: SeDebugPrivilege	3912	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3912	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 3196	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	84
PID 5072 wrote to memory of 3196	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	84
PID 5072 wrote to memory of 3196	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	84
PID 5072 wrote to memory of 540	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	86
PID 5072 wrote to memory of 540	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	86
PID 5072 wrote to memory of 540	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	86
PID 5072 wrote to memory of 2564	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	88
PID 5072 wrote to memory of 2564	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	88
PID 5072 wrote to memory of 2564	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	88
PID 5072 wrote to memory of 2556	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	90
PID 5072 wrote to memory of 2556	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	90
PID 5072 wrote to memory of 2556	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	90
PID 5072 wrote to memory of 3912	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	91
PID 5072 wrote to memory of 3912	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	91
PID 5072 wrote to memory of 3912	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	91
PID 5072 wrote to memory of 3912	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	91
PID 5072 wrote to memory of 3912	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	91
PID 5072 wrote to memory of 3912	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	91
PID 5072 wrote to memory of 3912	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	91
PID 5072 wrote to memory of 3912	5072	e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe	91

C:\Users\Admin\AppData\Local\Temp\e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe
"C:\Users\Admin\AppData\Local\Temp\e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5072
- 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\e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3196
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UYYhCaxjnALlVV.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:540
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UYYhCaxjnALlVV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE956.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

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
aca3c518160dc4a0cd7fddfba3838758

SHA1
e44a9bbf1ab3e81a89f8189fce450eff7eb2276d

SHA256
09cc55912ae467bce4590bff8387f748c447598c05ec1a6280fdd10e94ded719

SHA512
621e3986431c3aaac1b14db14357316f6b5f0907c83a0048913d3c322ccafe80330332403191141c4f3db33958c0c6bf562fe6c3caa81366ac79f65e8c9b3bb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2j3pay3d.3kc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE956.tmp

Filesize
1KB

MD5
df2b499c1f044c07d9edd930e3b6f7c0

SHA1
0644e091a8b1860da45ba4cb97a03f5f2afbc70f

SHA256
ad2a43a8e33895f2c7503ce0cad2e5f215d68b26932cded79ec4519e2830fc32

SHA512
a551726a587ff35c57cfdb499d8c5d95fc864e1788c61ac745e68913473105084fb709d507498faf7dfa67d185975224f2a9276f71960d6c5c4d9fab494d4344

Download Submit
memory/540-81-0x0000000007560000-0x000000000757A000-memory.dmp

Filesize
104KB

Download
memory/540-25-0x0000000005910000-0x0000000005C64000-memory.dmp

Filesize
3.3MB

Download
memory/540-80-0x0000000007460000-0x0000000007474000-memory.dmp

Filesize
80KB

Download
memory/540-79-0x0000000007450000-0x000000000745E000-memory.dmp

Filesize
56KB

Download
memory/540-74-0x0000000007870000-0x0000000007EEA000-memory.dmp

Filesize
6.5MB

Download
memory/540-73-0x00000000070D0000-0x0000000007173000-memory.dmp

Filesize
652KB

Download
memory/540-53-0x0000000075950000-0x000000007599C000-memory.dmp

Filesize
304KB

Download
memory/540-50-0x0000000005F00000-0x0000000005F4C000-memory.dmp

Filesize
304KB

Download
memory/540-49-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

Filesize
120KB

Download
memory/540-82-0x0000000007540000-0x0000000007548000-memory.dmp

Filesize
32KB

Download
memory/540-18-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/540-89-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/540-22-0x00000000057A0000-0x0000000005806000-memory.dmp

Filesize
408KB

Download
memory/540-21-0x00000000056C0000-0x0000000005726000-memory.dmp

Filesize
408KB

Download
memory/540-40-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/540-20-0x0000000004F60000-0x0000000004F82000-memory.dmp

Filesize
136KB

Download
memory/540-19-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3196-45-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3196-75-0x0000000007130000-0x000000000714A000-memory.dmp

Filesize
104KB

Download
memory/3196-90-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3196-78-0x0000000007330000-0x0000000007341000-memory.dmp

Filesize
68KB

Download
memory/3196-16-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3196-77-0x00000000073B0000-0x0000000007446000-memory.dmp

Filesize
600KB

Download
memory/3196-17-0x0000000004FA0000-0x00000000055C8000-memory.dmp

Filesize
6.2MB

Download
memory/3196-15-0x0000000004850000-0x0000000004886000-memory.dmp

Filesize
216KB

Download
memory/3196-51-0x00000000063E0000-0x0000000006412000-memory.dmp

Filesize
200KB

Download
memory/3196-76-0x00000000071A0000-0x00000000071AA000-memory.dmp

Filesize
40KB

Download
memory/3196-52-0x0000000075950000-0x000000007599C000-memory.dmp

Filesize
304KB

Download
memory/3196-72-0x0000000006420000-0x000000000643E000-memory.dmp

Filesize
120KB

Download
memory/3196-24-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/3912-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3912-91-0x0000000006950000-0x00000000069A0000-memory.dmp

Filesize
320KB

Download
memory/5072-6-0x0000000004DF0000-0x0000000004E8C000-memory.dmp

Filesize
624KB

Download
memory/5072-48-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/5072-0-0x00000000750AE000-0x00000000750AF000-memory.dmp

Filesize
4KB

Download
memory/5072-7-0x0000000005720000-0x000000000573E000-memory.dmp

Filesize
120KB

Download
memory/5072-9-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/5072-5-0x00000000750A0000-0x0000000075850000-memory.dmp

Filesize
7.7MB

Download
memory/5072-4-0x0000000004B50000-0x0000000004B5A000-memory.dmp

Filesize
40KB

Download
memory/5072-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

Filesize
584KB

Download
memory/5072-2-0x0000000005030000-0x00000000055D4000-memory.dmp

Filesize
5.6MB

Download
memory/5072-1-0x00000000000B0000-0x000000000016E000-memory.dmp

Filesize
760KB

Download
memory/5072-10-0x0000000004560000-0x00000000045E6000-memory.dmp

Filesize
536KB

Download
memory/5072-8-0x00000000750AE000-0x00000000750AF000-memory.dmp

Filesize
4KB

Download