agenttesla | 3aeb2186089e92657ade4819a0b14ee7ef6f4e6ea314e224f2933e4940567b77

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15/05/2023, 07:02

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General

Target
dLFd6ny9J7wSCvq.exe
Size 693KB
Sample230515-htr87sfb63
SHA256 3aeb2186089e92657ade4819a0b14ee7ef6f4e6ea314e224f2933e4940567b77
MD5 dc33e30135d0e68d96b44816cf81d521
SHA1 bf53634c82625b47e5152407d69e7c187cd7553b
SHA512 c5149e6aec17e326f79904c80f1f8ccfcf36821512c8a668bb7b7314cef18dd0b8a34604550954278e06028d0523189e0806c0cf4e31ef96204d87642165e227
SSDEEP 12288:I1cwysSHC5oTonDppT1rndfwNQxjs1j1XvvqCbJqY5Sbj2S5abc:IrGT2RrC0InPR5Sn2cgc
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6099836385:AAEfA6VoBkRvWID2b0aSRYBqFwUQJ2ZBemE/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dLFd6ny9J7wSCvq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dLFd6ny9J7wSCvq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dLFd6ny9J7wSCvq.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vtRsC = "C:\\Users\\Admin\\AppData\\Roaming\\vtRsC\\vtRsC.exe"	dLFd6ny9J7wSCvq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 368 set thread context of 980	368	dLFd6ny9J7wSCvq.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
368	dLFd6ny9J7wSCvq.exe
368	dLFd6ny9J7wSCvq.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	368	dLFd6ny9J7wSCvq.exe
Token: SeDebugPrivilege	980	dLFd6ny9J7wSCvq.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
980	dLFd6ny9J7wSCvq.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 2116	368	dLFd6ny9J7wSCvq.exe	92
PID 368 wrote to memory of 2116	368	dLFd6ny9J7wSCvq.exe	92
PID 368 wrote to memory of 2116	368	dLFd6ny9J7wSCvq.exe	92
PID 368 wrote to memory of 980	368	dLFd6ny9J7wSCvq.exe	93
PID 368 wrote to memory of 980	368	dLFd6ny9J7wSCvq.exe	93
PID 368 wrote to memory of 980	368	dLFd6ny9J7wSCvq.exe	93
PID 368 wrote to memory of 980	368	dLFd6ny9J7wSCvq.exe	93
PID 368 wrote to memory of 980	368	dLFd6ny9J7wSCvq.exe	93
PID 368 wrote to memory of 980	368	dLFd6ny9J7wSCvq.exe	93
PID 368 wrote to memory of 980	368	dLFd6ny9J7wSCvq.exe	93
PID 368 wrote to memory of 980	368	dLFd6ny9J7wSCvq.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dLFd6ny9J7wSCvq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dLFd6ny9J7wSCvq.exe

C:\Users\Admin\AppData\Local\Temp\dLFd6ny9J7wSCvq.exe
"C:\Users\Admin\AppData\Local\Temp\dLFd6ny9J7wSCvq.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:368
- C:\Users\Admin\AppData\Local\Temp\dLFd6ny9J7wSCvq.exe
  "C:\Users\Admin\AppData\Local\Temp\dLFd6ny9J7wSCvq.exe"
  2⤵
  PID:2116
- C:\Users\Admin\AppData\Local\Temp\dLFd6ny9J7wSCvq.exe
  "C:\Users\Admin\AppData\Local\Temp\dLFd6ny9J7wSCvq.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

dLFd6ny9J7wSCvq.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dLFd6ny9J7wSCvq.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

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memory/368-139-0x0000000007140000-0x00000000071DC000-memory.dmp

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memory/368-135-0x0000000005040000-0x00000000050D2000-memory.dmp

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memory/368-136-0x00000000050F0000-0x00000000050FA000-memory.dmp

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memory/368-137-0x0000000005300000-0x0000000005310000-memory.dmp

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memory/368-138-0x0000000005300000-0x0000000005310000-memory.dmp

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memory/368-133-0x00000000005F0000-0x00000000006A2000-memory.dmp

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memory/368-134-0x00000000056E0000-0x0000000005C84000-memory.dmp

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memory/980-140-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/980-143-0x0000000004E80000-0x0000000004EE6000-memory.dmp

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memory/980-144-0x0000000004F80000-0x0000000004F90000-memory.dmp

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memory/980-146-0x0000000006210000-0x0000000006260000-memory.dmp

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memory/980-147-0x00000000065A0000-0x0000000006762000-memory.dmp

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memory/980-154-0x0000000004F80000-0x0000000004F90000-memory.dmp

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