agenttesla | b8dbf3db5d56d847b13c3e517dd9e9e396038948ea1189e7f57c419f493c368c

Analysis

max time kernel
127s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2025 12:38

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General

Target

Remittance slip 060223.exe
Size

858KB
MD5

f572724244ebcdf8911c11e5b4a6ff29
SHA1

91ab9b959e3535e05e06d381646de113880947eb
SHA256

b8dbf3db5d56d847b13c3e517dd9e9e396038948ea1189e7f57c419f493c368c
SHA512

74fc1406fb2d5df6d07fcd02808b32afbd1d951406b5b39a5865c37d07b5262723f99173587961dfcb21835073a057d251a6f45a9f4c93f6b1d1bdcd16d248b3
SSDEEP

12288:0zSggsinDj1dM1o2kSYQHJbaCR+tTshb0kRSdA56SFceC+MCkQ3lo1XS+KhzbuT:0zsuiSYQ2shgk8dQ6wqC9qqI

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
4944	powershell.exe
2724	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	Remittance slip 060223.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-1-5-21-4089630652-1596403869-279772308-1000\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
21	api.ipify.org
22	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4712 set thread context of 4532	4712	Remittance slip 060223.exe	95

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	Remittance slip 060223.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
1948	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4712	Remittance slip 060223.exe
4944	powershell.exe
4944	powershell.exe
4712	Remittance slip 060223.exe
2724	powershell.exe
4712	Remittance slip 060223.exe
2724	powershell.exe
4712	Remittance slip 060223.exe
4712	Remittance slip 060223.exe
4712	Remittance slip 060223.exe
4532	RegSvcs.exe
4532	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4712	Remittance slip 060223.exe
Token: SeDebugPrivilege	4944	powershell.exe
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeDebugPrivilege	4532	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4532	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4944	4712	Remittance slip 060223.exe	87
PID 4712 wrote to memory of 4944	4712	Remittance slip 060223.exe	87
PID 4712 wrote to memory of 4944	4712	Remittance slip 060223.exe	87
PID 4712 wrote to memory of 2724	4712	Remittance slip 060223.exe	91
PID 4712 wrote to memory of 2724	4712	Remittance slip 060223.exe	91
PID 4712 wrote to memory of 2724	4712	Remittance slip 060223.exe	91
PID 4712 wrote to memory of 1948	4712	Remittance slip 060223.exe	93
PID 4712 wrote to memory of 1948	4712	Remittance slip 060223.exe	93
PID 4712 wrote to memory of 1948	4712	Remittance slip 060223.exe	93
PID 4712 wrote to memory of 4532	4712	Remittance slip 060223.exe	95
PID 4712 wrote to memory of 4532	4712	Remittance slip 060223.exe	95
PID 4712 wrote to memory of 4532	4712	Remittance slip 060223.exe	95
PID 4712 wrote to memory of 4532	4712	Remittance slip 060223.exe	95
PID 4712 wrote to memory of 4532	4712	Remittance slip 060223.exe	95
PID 4712 wrote to memory of 4532	4712	Remittance slip 060223.exe	95
PID 4712 wrote to memory of 4532	4712	Remittance slip 060223.exe	95
PID 4712 wrote to memory of 4532	4712	Remittance slip 060223.exe	95

C:\Users\Admin\AppData\Local\Temp\Remittance slip 060223.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance slip 060223.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:4712
- 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\Remittance slip 060223.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4944
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pZgcCZTJDPiQe.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pZgcCZTJDPiQe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF220.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1948
- 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:4532

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

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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
4cf0dbaeb5c9d6a4ea96935be5efcec0

SHA1
21fb19bf3aa9fbdf5dc6e0d9c03869900f58f647

SHA256
a08bcdc0bf670f9ec1d1f81180a528a52d8784a7ee45289ce5e874931a6089e0

SHA512
72167feba4d667f7cc0a6f0fa3ae9f15fe640d30b727b9afa7fd55843d9a401f2820acc87fa901c5d45d6da8c028af9bf203eff6284ed10f7b8069339b5ea0fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h3mz4erm.ass.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF220.tmp

Filesize
1KB

MD5
28c6acdcb00c2daa675a31cf87230cc9

SHA1
56b3feba2d1f392c0a5996164f4af033a96f4167

SHA256
57e63c976e8e8aa35418304723d8714c067c6694f85db3751cb0f7e69a47dff5

SHA512
f983c7e92eff4aba6dba8d73b06c64f42a1007496c02b8f5afb1cee76c92d7d319c78a4f5b4763b63f111494d95d9f4302e73630dfb751c31d535f65899859fe

Download Submit
memory/2724-74-0x000000006F0B0000-0x000000006F0FC000-memory.dmp

Filesize
304KB

Download
memory/4532-91-0x0000000006B10000-0x0000000006B60000-memory.dmp

Filesize
320KB

Download
memory/4532-87-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4712-5-0x0000000004F90000-0x0000000004F9A000-memory.dmp

Filesize
40KB

Download
memory/4712-8-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/4712-9-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4712-10-0x0000000002820000-0x00000000028A6000-memory.dmp

Filesize
536KB

Download
memory/4712-7-0x00000000066B0000-0x00000000066CE000-memory.dmp

Filesize
120KB

Download
memory/4712-89-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4712-6-0x0000000005280000-0x000000000531C000-memory.dmp

Filesize
624KB

Download
memory/4712-0-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/4712-4-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4712-3-0x0000000004FD0000-0x0000000005062000-memory.dmp

Filesize
584KB

Download
memory/4712-2-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/4712-62-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4712-1-0x00000000004F0000-0x00000000005CC000-memory.dmp

Filesize
880KB

Download
memory/4944-32-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4944-50-0x0000000007380000-0x0000000007416000-memory.dmp

Filesize
600KB

Download
memory/4944-30-0x0000000005E10000-0x0000000005E5C000-memory.dmp

Filesize
304KB

Download
memory/4944-33-0x000000006F0B0000-0x000000006F0FC000-memory.dmp

Filesize
304KB

Download
memory/4944-28-0x0000000005770000-0x0000000005AC4000-memory.dmp

Filesize
3.3MB

Download
memory/4944-31-0x00000000063A0000-0x00000000063D2000-memory.dmp

Filesize
200KB

Download
memory/4944-43-0x0000000006DA0000-0x0000000006DBE000-memory.dmp

Filesize
120KB

Download
memory/4944-45-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4944-44-0x0000000006FC0000-0x0000000007063000-memory.dmp

Filesize
652KB

Download
memory/4944-46-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4944-47-0x0000000007740000-0x0000000007DBA000-memory.dmp

Filesize
6.5MB

Download
memory/4944-48-0x0000000007100000-0x000000000711A000-memory.dmp

Filesize
104KB

Download
memory/4944-49-0x0000000007170000-0x000000000717A000-memory.dmp

Filesize
40KB

Download
memory/4944-29-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

Filesize
120KB

Download
memory/4944-51-0x0000000007300000-0x0000000007311000-memory.dmp

Filesize
68KB

Download
memory/4944-52-0x0000000007330000-0x000000000733E000-memory.dmp

Filesize
56KB

Download
memory/4944-53-0x0000000007340000-0x0000000007354000-memory.dmp

Filesize
80KB

Download
memory/4944-54-0x0000000007440000-0x000000000745A000-memory.dmp

Filesize
104KB

Download
memory/4944-55-0x0000000007420000-0x0000000007428000-memory.dmp

Filesize
32KB

Download
memory/4944-58-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4944-18-0x0000000005670000-0x00000000056D6000-memory.dmp

Filesize
408KB

Download
memory/4944-17-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/4944-16-0x0000000004E20000-0x0000000004E42000-memory.dmp

Filesize
136KB

Download
memory/4944-15-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4944-14-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4944-12-0x0000000074860000-0x0000000075010000-memory.dmp

Filesize
7.7MB

Download
memory/4944-13-0x0000000004ED0000-0x00000000054F8000-memory.dmp

Filesize
6.2MB

Download
memory/4944-11-0x0000000004830000-0x0000000004866000-memory.dmp

Filesize
216KB

Download