agenttesla | 79951afadbd96fb9b16f3d4fe5564e83cca60628082262752d243f0c30d145e2

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 12:56

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General

Target

YMLUI275163148 - BL.exe
Size

1.1MB
MD5

efeb57a449ccc8158f1c4ae374b62959
SHA1

d097f10d18f72a86ad3406311163606d5668b520
SHA256

79951afadbd96fb9b16f3d4fe5564e83cca60628082262752d243f0c30d145e2
SHA512

060341f86969d0bf7461925f9d937b780b480ab784daadafa9788b4d75d57ac44bee990ed282b3bac66cbeb4663f4c09619138186553c3704d625f2f3634d7c9
SSDEEP

24576:U4lavt0LkLL9IMixoEgeaVrgVTlY03AroJUEGq9MmCS:jkwkn9IMHeaV8TmzroYaPCS

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
13	api.ipify.org
12	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2016 set thread context of 3672	2016	YMLUI275163148 - BL.exe	88

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 3 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	YMLUI275163148 - BL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YMLUI275163148 - BL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3672	RegSvcs.exe
3672	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4276	YMLUI275163148 - BL.exe
2016	YMLUI275163148 - BL.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3672	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4276	YMLUI275163148 - BL.exe
4276	YMLUI275163148 - BL.exe
2016	YMLUI275163148 - BL.exe
2016	YMLUI275163148 - BL.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4276	YMLUI275163148 - BL.exe
4276	YMLUI275163148 - BL.exe
2016	YMLUI275163148 - BL.exe
2016	YMLUI275163148 - BL.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4276 wrote to memory of 684	4276	YMLUI275163148 - BL.exe	86
PID 4276 wrote to memory of 684	4276	YMLUI275163148 - BL.exe	86
PID 4276 wrote to memory of 684	4276	YMLUI275163148 - BL.exe	86
PID 4276 wrote to memory of 2016	4276	YMLUI275163148 - BL.exe	87
PID 4276 wrote to memory of 2016	4276	YMLUI275163148 - BL.exe	87
PID 4276 wrote to memory of 2016	4276	YMLUI275163148 - BL.exe	87
PID 2016 wrote to memory of 3672	2016	YMLUI275163148 - BL.exe	88
PID 2016 wrote to memory of 3672	2016	YMLUI275163148 - BL.exe	88
PID 2016 wrote to memory of 3672	2016	YMLUI275163148 - BL.exe	88
PID 2016 wrote to memory of 3672	2016	YMLUI275163148 - BL.exe	88

C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe
"C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4276
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
  2⤵
  PID:684
- C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe
  "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

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\Temp\aut9C6F.tmp

Filesize
261KB

MD5
52cfd559adfd0a7c32115d7e15ee6550

SHA1
6364122c331f07990b062ac8d2e9c585f5ee6db0

SHA256
9c7dc2d46a52ab7899b7ce56b108f12b57cb466ec9f18449f559e0f4f83a14c7

SHA512
6424cb2995dcf3833c4859fb456fce79800225fedd9f3e22b9dcecce87b6e9c9f21b693d594de1b9f98e54a1a5e026a8d772c766b1486ddf02a1f010629cc9dd

Download Submit
memory/3672-16-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3672-18-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3672-17-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3672-19-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3672-20-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/3672-21-0x0000000002AA0000-0x0000000002AF4000-memory.dmp

Filesize
336KB

Download
memory/3672-22-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3672-23-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3672-24-0x0000000005710000-0x0000000005CB4000-memory.dmp

Filesize
5.6MB

Download
memory/3672-25-0x0000000004FD0000-0x0000000005022000-memory.dmp

Filesize
328KB

Download
memory/3672-27-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-57-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-85-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-84-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-81-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-79-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-77-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-75-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-71-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-69-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-67-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-65-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-63-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-61-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-59-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-55-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-53-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-51-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-49-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-47-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-46-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-43-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-41-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-39-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-37-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-35-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-33-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-31-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-29-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-73-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-26-0x0000000004FD0000-0x000000000501D000-memory.dmp

Filesize
308KB

Download
memory/3672-1058-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3672-1059-0x00000000050D0000-0x0000000005136000-memory.dmp

Filesize
408KB

Download
memory/3672-1060-0x0000000006660000-0x00000000066B0000-memory.dmp

Filesize
320KB

Download
memory/3672-1061-0x0000000006750000-0x00000000067E2000-memory.dmp

Filesize
584KB

Download
memory/3672-1062-0x00000000066D0000-0x00000000066DA000-memory.dmp

Filesize
40KB

Download
memory/3672-1063-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3672-1064-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/3672-1065-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3672-1066-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4276-7-0x0000000004140000-0x0000000004144000-memory.dmp

Filesize
16KB

Download