agenttesla | 42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74

General

Target

42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe
Size

35KB
MD5

46eacc0b30ac3ef2dcf615f803f04076
SHA1

7bf43da062575868f2eb77ca8e3a632ae6ad51b7
SHA256

42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74
SHA512

e610ddc4191499d31f2f0b48afe2bdfc44b6b979f9a915323ade25fb79cb00555c1e89e6e3b0abebd96904a9170ff845b3377c0a305cfaccd0ab49f73b0e0fc6
SSDEEP

384:XZirz04kYcm5oRVPUn30CDG1iZMJSalHXeqZhsWIgDWsjxZUtO4f54A:Mi+5uVPUn30gGEZQH5SAXJ4f54A

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan upx

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1732	system.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1848-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0008000000016d9f-9.dat	upx
behavioral1/memory/1848-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1732-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MyApp = "C:\\WINDOWS\\system.exe"	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system.exe	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe

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 2 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	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1848	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe
1732	system.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 1732	1848	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe	30
PID 1848 wrote to memory of 1732	1848	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe	30
PID 1848 wrote to memory of 1732	1848	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe	30
PID 1848 wrote to memory of 1732	1848	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe	30
PID 1848 wrote to memory of 1732	1848	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe	30
PID 1848 wrote to memory of 1732	1848	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe	30
PID 1848 wrote to memory of 1732	1848	42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe	30

C:\Users\Admin\AppData\Local\Temp\42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe
"C:\Users\Admin\AppData\Local\Temp\42abd533dfabb05a5bcda2475fd51b401612df4b2627eb8fc6b883deb5650a74.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1848
- C:\WINDOWS\system.exe
  "C:\WINDOWS\system.exe" 0
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\system.exe

Filesize
35KB

MD5
61984baa75162b570f7f6ac30f199df8

SHA1
b81afac0cd91863c240222d6846eb44832b0059b

SHA256
3042e97c30bc8a7b5a54c3418e89e6fc150c746843031bd59080eac7485f809f

SHA512
20c1f6717c03b4bf61491793733c037963571031faca50e1d263754a130d4c3a35a658d209f3c045f4fd33266572be13aca4ea9a90eaa006e5bffc325cbe3461

Download Submit
memory/1732-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1848-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1848-1-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/1848-6-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/1848-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads