agenttesla | b89fe3a178283fbd51ed71bd488e079a81dff40fc7124f57540e98540dce28a1

Analysis

max time kernel
151s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 19:54

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General

Target

Purchase-Order.scr.exe
Size

672KB
MD5

7fccb0197c8d6888ab6a5f9713fba9f6
SHA1

ae8ea47dbb7c8bc40df063ea2e05823e2458cced
SHA256

b89fe3a178283fbd51ed71bd488e079a81dff40fc7124f57540e98540dce28a1
SHA512

feccea6ac8dc93c7f3bc88f3e3b2d3a84b11738161c8e1a153c5a8a29e17e424a84b75daf1754dd3e9d0f7f32335b9e1a6aa811349660e4f6837247add0bb7d2
SSDEEP

12288:UVj3hLQvfdxOo7gpXtrFF725cxd9dvmVV38eIlCwWTIghwhKfwlucbh1ejqaRiv6:sMOfx4twKyxluc90JRk6

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6364043354:AAF_1bGx2vGEmysmy8L-UNpPd2QFFHQH3WU/

Signatures

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

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-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation	Purchase-Order.scr.exe

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
66	api.ipify.org
67	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4220 set thread context of 1444	4220	Purchase-Order.scr.exe	104

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
1192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4220	Purchase-Order.scr.exe
2960	powershell.exe
4220	Purchase-Order.scr.exe
4220	Purchase-Order.scr.exe
4220	Purchase-Order.scr.exe
4220	Purchase-Order.scr.exe
4220	Purchase-Order.scr.exe
4220	Purchase-Order.scr.exe
4220	Purchase-Order.scr.exe
1444	Purchase-Order.scr.exe
1444	Purchase-Order.scr.exe
2960	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4220	Purchase-Order.scr.exe
Token: SeDebugPrivilege	2960	powershell.exe
Token: SeDebugPrivilege	1444	Purchase-Order.scr.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 2960	4220	Purchase-Order.scr.exe	100
PID 4220 wrote to memory of 2960	4220	Purchase-Order.scr.exe	100
PID 4220 wrote to memory of 2960	4220	Purchase-Order.scr.exe	100
PID 4220 wrote to memory of 1192	4220	Purchase-Order.scr.exe	102
PID 4220 wrote to memory of 1192	4220	Purchase-Order.scr.exe	102
PID 4220 wrote to memory of 1192	4220	Purchase-Order.scr.exe	102
PID 4220 wrote to memory of 1444	4220	Purchase-Order.scr.exe	104
PID 4220 wrote to memory of 1444	4220	Purchase-Order.scr.exe	104
PID 4220 wrote to memory of 1444	4220	Purchase-Order.scr.exe	104
PID 4220 wrote to memory of 1444	4220	Purchase-Order.scr.exe	104
PID 4220 wrote to memory of 1444	4220	Purchase-Order.scr.exe	104
PID 4220 wrote to memory of 1444	4220	Purchase-Order.scr.exe	104
PID 4220 wrote to memory of 1444	4220	Purchase-Order.scr.exe	104
PID 4220 wrote to memory of 1444	4220	Purchase-Order.scr.exe	104

C:\Users\Admin\AppData\Local\Temp\Purchase-Order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase-Order.scr.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KxnjucokNh.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2960
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KxnjucokNh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp656C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1192
- C:\Users\Admin\AppData\Local\Temp\Purchase-Order.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase-Order.scr.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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\Temp\__PSScriptPolicyTest_dx50h0tu.yjx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp656C.tmp

Filesize
1KB

MD5
f52d376a07e27b3da9fcf75802aceedf

SHA1
9643a9ce81433b74d4611a5bd845f49ede2361f6

SHA256
c4f73df048b56064ecdfc3ed6ebd5e73d9bd3ae3a97cc8db91b27033f5e21e5c

SHA512
4d15998b117b89e64ff1585ba023b0d70f78ab9a14bd678069a467a6dedf4b082abb239711cf27071ad3068d5e65abfbd5d2edb04a27505e82b242a9b3ffd9ff

Download Submit
memory/1444-45-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1444-42-0x0000000004E50000-0x0000000004E60000-memory.dmp

Filesize
64KB

Download
memory/1444-40-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1444-38-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2960-46-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/2960-37-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/2960-70-0x0000000007B60000-0x0000000007B74000-memory.dmp

Filesize
80KB

Download
memory/2960-69-0x0000000006800000-0x000000000680E000-memory.dmp

Filesize
56KB

Download
memory/2960-67-0x00000000011D0000-0x00000000011E1000-memory.dmp

Filesize
68KB

Download
memory/2960-66-0x0000000007B80000-0x0000000007C16000-memory.dmp

Filesize
600KB

Download
memory/2960-16-0x0000000004F70000-0x0000000004FA6000-memory.dmp

Filesize
216KB

Download
memory/2960-17-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2960-18-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/2960-64-0x00000000067F0000-0x00000000067FA000-memory.dmp

Filesize
40KB

Download
memory/2960-21-0x0000000005650000-0x0000000005C78000-memory.dmp

Filesize
6.2MB

Download
memory/2960-20-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/2960-22-0x0000000005460000-0x0000000005482000-memory.dmp

Filesize
136KB

Download
memory/2960-24-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/2960-23-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/2960-63-0x0000000007910000-0x000000000792A000-memory.dmp

Filesize
104KB

Download
memory/2960-34-0x0000000005F40000-0x0000000006294000-memory.dmp

Filesize
3.3MB

Download
memory/2960-35-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2960-36-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/2960-62-0x0000000007F60000-0x00000000085DA000-memory.dmp

Filesize
6.5MB

Download
memory/2960-60-0x0000000005010000-0x0000000005020000-memory.dmp

Filesize
64KB

Download
memory/2960-59-0x00000000077D0000-0x0000000007873000-memory.dmp

Filesize
652KB

Download
memory/2960-58-0x0000000006B00000-0x0000000006B1E000-memory.dmp

Filesize
120KB

Download
memory/2960-48-0x0000000071330000-0x000000007137C000-memory.dmp

Filesize
304KB

Download
memory/2960-43-0x0000000006560000-0x000000000657E000-memory.dmp

Filesize
120KB

Download
memory/2960-44-0x0000000006630000-0x000000000667C000-memory.dmp

Filesize
304KB

Download
memory/2960-47-0x0000000006B40000-0x0000000006B72000-memory.dmp

Filesize
200KB

Download
memory/4220-7-0x00000000053A0000-0x00000000053B0000-memory.dmp

Filesize
64KB

Download
memory/4220-1-0x0000000000390000-0x000000000043E000-memory.dmp

Filesize
696KB

Download
memory/4220-2-0x00000000053D0000-0x0000000005974000-memory.dmp

Filesize
5.6MB

Download
memory/4220-3-0x0000000004E20000-0x0000000004EB2000-memory.dmp

Filesize
584KB

Download
memory/4220-41-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4220-4-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/4220-0-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4220-5-0x0000000004E00000-0x0000000004E0A000-memory.dmp

Filesize
40KB

Download
memory/4220-6-0x0000000005070000-0x000000000510C000-memory.dmp

Filesize
624KB

Download
memory/4220-11-0x0000000007250000-0x00000000072CE000-memory.dmp

Filesize
504KB

Download
memory/4220-10-0x00000000053B0000-0x00000000053BC000-memory.dmp

Filesize
48KB

Download
memory/4220-9-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/4220-8-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download