agenttesla | ac5dba53fb0a278240d862d3f223f8f311368bd2490c4613a1f05e500c9f366a

Analysis

max time kernel
128s
max time network
142s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
14/09/2022, 10:46

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General

Target

363041700.bat.exe
Size

530KB
MD5

e548c81c2426d676b1a6f86929673395
SHA1

91d25a84035d22537186bf5a5d1479251acbc790
SHA256

ac5dba53fb0a278240d862d3f223f8f311368bd2490c4613a1f05e500c9f366a
SHA512

be863c61258a50f598b120f0aa010a15e41652a4961293d7219e40d66a8d3f5984720a7ee4cea98fc0a7ab06d2af62e8d2cffedeed2e74e1f4a5418abb5c6d66
SSDEEP

12288:VEppayVsdC3WAnJCnN87ZAYl5u6zy/mVawrS8bp8rJiA6:kVIC3W0NNuV/zf8N+G

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
%2B
Port:
21
Username:
application/x-www-form-urlencoded
Password:
image/jpg

http://81.161.229.151/thr3/inc/2c7869654deb31.php

Signatures

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

Executes dropped EXE 4 IoCs

pid	Process
1544	file02.exe
1364	file02.exe
1480	file02.exe
1816	file02.exe

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 9 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file02.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file02.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file02.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file02.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file02.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	363041700.bat.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	363041700.bat.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	363041700.bat.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file02.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\excel = "C:\\Users\\Admin\\AppData\\Roaming\\excel\\excel.exe"	file02.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\excel = "C:\\Users\\Admin\\AppData\\Roaming\\excel\\excel.exe"	363041700.bat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\excel = "C:\\Users\\Admin\\AppData\\Roaming\\excel\\excel.exe"	file02.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1752 set thread context of 268	1752	363041700.bat.exe	27
PID 1544 set thread context of 1364	1544	file02.exe	38
PID 1480 set thread context of 1816	1480	file02.exe	47

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1060	schtasks.exe
1700	schtasks.exe
1772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
268	363041700.bat.exe
268	363041700.bat.exe
1364	file02.exe
1364	file02.exe
1364	file02.exe
1816	file02.exe
1816	file02.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

pid	Process
1364	file02.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1752	363041700.bat.exe
Token: SeDebugPrivilege	268	363041700.bat.exe
Token: SeDebugPrivilege	1544	file02.exe
Token: SeDebugPrivilege	1364	file02.exe
Token: SeDebugPrivilege	1480	file02.exe
Token: SeDebugPrivilege	1816	file02.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
268	363041700.bat.exe
1364	file02.exe
1816	file02.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 268	1752	363041700.bat.exe	27
PID 1752 wrote to memory of 268	1752	363041700.bat.exe	27
PID 1752 wrote to memory of 268	1752	363041700.bat.exe	27
PID 1752 wrote to memory of 268	1752	363041700.bat.exe	27
PID 1752 wrote to memory of 268	1752	363041700.bat.exe	27
PID 1752 wrote to memory of 268	1752	363041700.bat.exe	27
PID 1752 wrote to memory of 268	1752	363041700.bat.exe	27
PID 1752 wrote to memory of 268	1752	363041700.bat.exe	27
PID 1752 wrote to memory of 268	1752	363041700.bat.exe	27
PID 1752 wrote to memory of 628	1752	363041700.bat.exe	28
PID 1752 wrote to memory of 628	1752	363041700.bat.exe	28
PID 1752 wrote to memory of 628	1752	363041700.bat.exe	28
PID 1752 wrote to memory of 628	1752	363041700.bat.exe	28
PID 1752 wrote to memory of 1744	1752	363041700.bat.exe	30
PID 1752 wrote to memory of 1744	1752	363041700.bat.exe	30
PID 1752 wrote to memory of 1744	1752	363041700.bat.exe	30
PID 1752 wrote to memory of 1744	1752	363041700.bat.exe	30
PID 1752 wrote to memory of 1232	1752	363041700.bat.exe	32
PID 1752 wrote to memory of 1232	1752	363041700.bat.exe	32
PID 1752 wrote to memory of 1232	1752	363041700.bat.exe	32
PID 1752 wrote to memory of 1232	1752	363041700.bat.exe	32
PID 1744 wrote to memory of 1060	1744	cmd.exe	34
PID 1744 wrote to memory of 1060	1744	cmd.exe	34
PID 1744 wrote to memory of 1060	1744	cmd.exe	34
PID 1744 wrote to memory of 1060	1744	cmd.exe	34
PID 1052 wrote to memory of 1544	1052	taskeng.exe	37
PID 1052 wrote to memory of 1544	1052	taskeng.exe	37
PID 1052 wrote to memory of 1544	1052	taskeng.exe	37
PID 1052 wrote to memory of 1544	1052	taskeng.exe	37
PID 1544 wrote to memory of 1364	1544	file02.exe	38
PID 1544 wrote to memory of 1364	1544	file02.exe	38
PID 1544 wrote to memory of 1364	1544	file02.exe	38
PID 1544 wrote to memory of 1364	1544	file02.exe	38
PID 1544 wrote to memory of 1364	1544	file02.exe	38
PID 1544 wrote to memory of 1364	1544	file02.exe	38
PID 1544 wrote to memory of 1364	1544	file02.exe	38
PID 1544 wrote to memory of 1364	1544	file02.exe	38
PID 1544 wrote to memory of 1364	1544	file02.exe	38
PID 1544 wrote to memory of 1880	1544	file02.exe	43
PID 1544 wrote to memory of 1880	1544	file02.exe	43
PID 1544 wrote to memory of 1880	1544	file02.exe	43
PID 1544 wrote to memory of 1880	1544	file02.exe	43
PID 1544 wrote to memory of 956	1544	file02.exe	39
PID 1544 wrote to memory of 956	1544	file02.exe	39
PID 1544 wrote to memory of 956	1544	file02.exe	39
PID 1544 wrote to memory of 956	1544	file02.exe	39
PID 1544 wrote to memory of 948	1544	file02.exe	41
PID 1544 wrote to memory of 948	1544	file02.exe	41
PID 1544 wrote to memory of 948	1544	file02.exe	41
PID 1544 wrote to memory of 948	1544	file02.exe	41
PID 956 wrote to memory of 1700	956	cmd.exe	45
PID 956 wrote to memory of 1700	956	cmd.exe	45
PID 956 wrote to memory of 1700	956	cmd.exe	45
PID 956 wrote to memory of 1700	956	cmd.exe	45
PID 1052 wrote to memory of 1480	1052	taskeng.exe	46
PID 1052 wrote to memory of 1480	1052	taskeng.exe	46
PID 1052 wrote to memory of 1480	1052	taskeng.exe	46
PID 1052 wrote to memory of 1480	1052	taskeng.exe	46
PID 1480 wrote to memory of 1816	1480	file02.exe	47
PID 1480 wrote to memory of 1816	1480	file02.exe	47
PID 1480 wrote to memory of 1816	1480	file02.exe	47
PID 1480 wrote to memory of 1816	1480	file02.exe	47
PID 1480 wrote to memory of 1816	1480	file02.exe	47
PID 1480 wrote to memory of 1816	1480	file02.exe	47

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file02.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file02.exe

C:\Users\Admin\AppData\Local\Temp\363041700.bat.exe
"C:\Users\Admin\AppData\Local\Temp\363041700.bat.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\363041700.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\363041700.bat.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:268
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\file02"
  2⤵
  PID:628
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\file02\file02.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\file02\file02.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:1060
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\363041700.bat.exe" "C:\Users\Admin\AppData\Roaming\file02\file02.exe"
  2⤵
  PID:1232

C:\Windows\system32\taskeng.exe
taskeng.exe {512FA13B-52ED-4ADD-AAFC-CEFEC164883B} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Users\Admin\AppData\Roaming\file02\file02.exe
  C:\Users\Admin\AppData\Roaming\file02\file02.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Users\Admin\AppData\Roaming\file02\file02.exe
    "C:\Users\Admin\AppData\Roaming\file02\file02.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: SetClipboardViewer
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1364
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\file02\file02.exe'" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:956
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\file02\file02.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:1700
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\file02\file02.exe" "C:\Users\Admin\AppData\Roaming\file02\file02.exe"
    3⤵
    PID:948
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\file02"
    3⤵
    PID:1880
- C:\Users\Admin\AppData\Roaming\file02\file02.exe
  C:\Users\Admin\AppData\Roaming\file02\file02.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1480
- - C:\Users\Admin\AppData\Roaming\file02\file02.exe
    "C:\Users\Admin\AppData\Roaming\file02\file02.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:1816
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\file02"
    3⤵
    PID:836
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\file02\file02.exe'" /f
    3⤵
    PID:764
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\file02\file02.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:1772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\excel\excel.exe

Filesize
530KB

MD5
e548c81c2426d676b1a6f86929673395

SHA1
91d25a84035d22537186bf5a5d1479251acbc790

SHA256
ac5dba53fb0a278240d862d3f223f8f311368bd2490c4613a1f05e500c9f366a

SHA512
be863c61258a50f598b120f0aa010a15e41652a4961293d7219e40d66a8d3f5984720a7ee4cea98fc0a7ab06d2af62e8d2cffedeed2e74e1f4a5418abb5c6d66

Download Submit
C:\Users\Admin\AppData\Roaming\file02\file02.exe

Filesize
530KB

MD5
e548c81c2426d676b1a6f86929673395

SHA1
91d25a84035d22537186bf5a5d1479251acbc790

SHA256
ac5dba53fb0a278240d862d3f223f8f311368bd2490c4613a1f05e500c9f366a

SHA512
be863c61258a50f598b120f0aa010a15e41652a4961293d7219e40d66a8d3f5984720a7ee4cea98fc0a7ab06d2af62e8d2cffedeed2e74e1f4a5418abb5c6d66

Download Submit
C:\Users\Admin\AppData\Roaming\file02\file02.exe

Filesize
530KB

MD5
e548c81c2426d676b1a6f86929673395

SHA1
91d25a84035d22537186bf5a5d1479251acbc790

SHA256
ac5dba53fb0a278240d862d3f223f8f311368bd2490c4613a1f05e500c9f366a

SHA512
be863c61258a50f598b120f0aa010a15e41652a4961293d7219e40d66a8d3f5984720a7ee4cea98fc0a7ab06d2af62e8d2cffedeed2e74e1f4a5418abb5c6d66

Download Submit
C:\Users\Admin\AppData\Roaming\file02\file02.exe

Filesize
530KB

MD5
e548c81c2426d676b1a6f86929673395

SHA1
91d25a84035d22537186bf5a5d1479251acbc790

SHA256
ac5dba53fb0a278240d862d3f223f8f311368bd2490c4613a1f05e500c9f366a

SHA512
be863c61258a50f598b120f0aa010a15e41652a4961293d7219e40d66a8d3f5984720a7ee4cea98fc0a7ab06d2af62e8d2cffedeed2e74e1f4a5418abb5c6d66

Download Submit
C:\Users\Admin\AppData\Roaming\file02\file02.exe

Filesize
530KB

MD5
e548c81c2426d676b1a6f86929673395

SHA1
91d25a84035d22537186bf5a5d1479251acbc790

SHA256
ac5dba53fb0a278240d862d3f223f8f311368bd2490c4613a1f05e500c9f366a

SHA512
be863c61258a50f598b120f0aa010a15e41652a4961293d7219e40d66a8d3f5984720a7ee4cea98fc0a7ab06d2af62e8d2cffedeed2e74e1f4a5418abb5c6d66

Download Submit
C:\Users\Admin\AppData\Roaming\file02\file02.exe

Filesize
530KB

MD5
e548c81c2426d676b1a6f86929673395

SHA1
91d25a84035d22537186bf5a5d1479251acbc790

SHA256
ac5dba53fb0a278240d862d3f223f8f311368bd2490c4613a1f05e500c9f366a

SHA512
be863c61258a50f598b120f0aa010a15e41652a4961293d7219e40d66a8d3f5984720a7ee4cea98fc0a7ab06d2af62e8d2cffedeed2e74e1f4a5418abb5c6d66

Download Submit
memory/268-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/268-59-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/268-64-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/268-63-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/268-68-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/268-56-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/268-71-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/268-57-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/268-60-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/1364-94-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1364-96-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1544-80-0x0000000000F10000-0x0000000000F9A000-memory.dmp

Filesize
552KB

Download
memory/1752-54-0x00000000003D0000-0x000000000045A000-memory.dmp

Filesize
552KB

Download
memory/1752-55-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

Download