agenttesla | 4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6

Analysis

max time kernel
110s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 14:20

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General

Target

Booking_0106.exe
Size

1.9MB
MD5

219bc0b3320f5f73d684f07800c0134d
SHA1

867abe30a0018c0c902f11a9edfb7c0262cdedf5
SHA256

4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6
SHA512

4bec94a472bdbd156f22bd4eddb44bb8b2c11910e4c12269fa73a7f71f4f290db4eb9014bf5e1ba322c97af7a195081821d35848b6ea93dce5e05a18cd6c88a4
SSDEEP

49152:2RvAXWfY323knu/nL1Pv4ZWrgN4l07QfR0feTtH8FmmCCCCCvaFK3:UfrU2pSsF8FmmCCCCCL3

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
162.254.34.31
Port:
587
Username:
[email protected]
Password:
ABwuRZS5Mjh5

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
162.254.34.31
Port:
587
Username:
[email protected]
Password:
ABwuRZS5Mjh5
Email To:
[email protected]

Signatures

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

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

description	pid	Process	procid_target
PID 4116 created 3360	4116	Booking_0106.exe	56
PID 1812 created 3360	1812	tmpA4CB.tmp.exe	56

Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	Booking_0106.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	doc-d.exe

Executes dropped EXE 3 IoCs

pid	Process
4560	doc-d.exe
1812	tmpA4CB.tmp.exe
1848	tmpA4CB.tmp.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ibrzb.exe"	Booking_0106.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ibrzb.exe"	tmpA4CB.tmp.exe

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
17	api.ipify.org
19	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4116 set thread context of 2652	4116	Booking_0106.exe	83
PID 1812 set thread context of 1848	1812	tmpA4CB.tmp.exe	86

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 5 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	Booking_0106.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpA4CB.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpA4CB.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Booking_0106.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	doc-d.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1848	tmpA4CB.tmp.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4116	Booking_0106.exe
2652	Booking_0106.exe
2652	Booking_0106.exe
1812	tmpA4CB.tmp.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4116	Booking_0106.exe
Token: SeDebugPrivilege	4116	Booking_0106.exe
Token: SeDebugPrivilege	4560	doc-d.exe
Token: SeDebugPrivilege	2652	Booking_0106.exe
Token: SeDebugPrivilege	1812	tmpA4CB.tmp.exe
Token: SeDebugPrivilege	1812	tmpA4CB.tmp.exe
Token: SeDebugPrivilege	1848	tmpA4CB.tmp.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 4560	4116	Booking_0106.exe	82
PID 4116 wrote to memory of 4560	4116	Booking_0106.exe	82
PID 4116 wrote to memory of 4560	4116	Booking_0106.exe	82
PID 4116 wrote to memory of 2652	4116	Booking_0106.exe	83
PID 4116 wrote to memory of 2652	4116	Booking_0106.exe	83
PID 4116 wrote to memory of 2652	4116	Booking_0106.exe	83
PID 4116 wrote to memory of 2652	4116	Booking_0106.exe	83
PID 4116 wrote to memory of 2652	4116	Booking_0106.exe	83
PID 4116 wrote to memory of 2652	4116	Booking_0106.exe	83
PID 4116 wrote to memory of 2652	4116	Booking_0106.exe	83
PID 4116 wrote to memory of 2652	4116	Booking_0106.exe	83
PID 4560 wrote to memory of 1812	4560	doc-d.exe	84
PID 4560 wrote to memory of 1812	4560	doc-d.exe	84
PID 4560 wrote to memory of 1812	4560	doc-d.exe	84
PID 1812 wrote to memory of 1848	1812	tmpA4CB.tmp.exe	86
PID 1812 wrote to memory of 1848	1812	tmpA4CB.tmp.exe	86
PID 1812 wrote to memory of 1848	1812	tmpA4CB.tmp.exe	86
PID 1812 wrote to memory of 1848	1812	tmpA4CB.tmp.exe	86
PID 1812 wrote to memory of 1848	1812	tmpA4CB.tmp.exe	86
PID 1812 wrote to memory of 1848	1812	tmpA4CB.tmp.exe	86
PID 1812 wrote to memory of 1848	1812	tmpA4CB.tmp.exe	86
PID 1812 wrote to memory of 1848	1812	tmpA4CB.tmp.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3360
- C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe
  "C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4116
- - C:\Users\Admin\AppData\Local\Temp\doc-d.exe
    "C:\Users\Admin\AppData\Local\Temp\doc-d.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4560
  - - C:\Users\Admin\AppData\Local\Temp\tmpA4CB.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpA4CB.tmp.exe"
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1812
- C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe
  "C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2652
- C:\Users\Admin\AppData\Local\Temp\tmpA4CB.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA4CB.tmp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  PID:1848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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\doc-d.exe

Filesize
15KB

MD5
c9ef77ca68f77b6c1267a7314203c94b

SHA1
3c43348fdbcbb25f6a145d32c604f76844994c3f

SHA256
fbcdfa1a6fb23286f43c1ac9cf45dc4be64f328cf1c719abe7fb503021bf9e3d

SHA512
4893a117704eda88e3a8fc5e0d68c2b70da2a0fd439baae46b717ae41862f910ca4416fe2d89b7113722862a96ed746b1710f33643bf927f63a325542382baf6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA4CB.tmp.exe

Filesize
2.5MB

MD5
b593f30608a4fd2f135ee5f3adf60ade

SHA1
b87eb2fbc01831b03ee4709ee013e75e186a4911

SHA256
ea67abb66d519ab171ed102d00875fb2d764eae1f8ac6febf047753d95485f70

SHA512
705d61df477e6ecb58f9c6c064a4bb8bc7e5e1d94c5a7173b15a405a89c707cc56c20475d03575d5fafb4f10d0eb02f2ad8c4a4754ddd1ef4693cc288eaae5fc

Download Submit
\??\c:\users\admin\appdata\roaming\ibrzb.exe

Filesize
2.5MB

MD5
b079b435de745d122eba353a04300ed4

SHA1
46755ac654334fe24966218f7d35bea33d215691

SHA256
cfbe1e83981e0b7cddb2154f33247192b5eb2ff6e4cf2b96df4ef25a20a7d4af

SHA512
08449d7c4d3aa82741600a289a47d47386ac47eaf140814fc382c6ce54a5ad3d81cda54e4dfb1ba44029edd5f4f92496e0e6f5de1f53e37bc27d72fb9ccbc358

Download Submit
memory/1812-1122-0x0000000000280000-0x00000000004FC000-memory.dmp

Filesize
2.5MB

Download
memory/1812-1124-0x0000000004E90000-0x0000000005012000-memory.dmp

Filesize
1.5MB

Download
memory/1812-2199-0x0000000005100000-0x00000000051FC000-memory.dmp

Filesize
1008KB

Download
memory/1848-3064-0x0000000005840000-0x00000000058D2000-memory.dmp

Filesize
584KB

Download
memory/1848-3061-0x00000000054A0000-0x00000000054F6000-memory.dmp

Filesize
344KB

Download
memory/1848-2208-0x00000000052D0000-0x0000000005396000-memory.dmp

Filesize
792KB

Download
memory/1848-2207-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1848-3065-0x0000000005780000-0x000000000578A000-memory.dmp

Filesize
40KB

Download
memory/2652-3062-0x0000000006540000-0x0000000006590000-memory.dmp

Filesize
320KB

Download
memory/2652-3063-0x0000000006630000-0x00000000066CC000-memory.dmp

Filesize
624KB

Download
memory/2652-3066-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2652-3067-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2652-1110-0x0000000005010000-0x0000000005076000-memory.dmp

Filesize
408KB

Download
memory/2652-1108-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2652-1107-0x0000000000540000-0x0000000000580000-memory.dmp

Filesize
256KB

Download
memory/2652-1105-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4116-34-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-42-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-24-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-22-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-20-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-18-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-16-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-64-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-54-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-52-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-10-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-8-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-30-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-6-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-4-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-14-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-3-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-1077-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4116-1078-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4116-1079-0x00000000056E0000-0x000000000574C000-memory.dmp

Filesize
432KB

Download
memory/4116-1080-0x0000000005670000-0x00000000056BC000-memory.dmp

Filesize
304KB

Download
memory/4116-1084-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4116-1085-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4116-1087-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4116-28-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-1-0x0000000000980000-0x0000000000B6C000-memory.dmp

Filesize
1.9MB

Download
memory/4116-2-0x0000000005560000-0x0000000005652000-memory.dmp

Filesize
968KB

Download
memory/4116-1100-0x00000000058B0000-0x0000000005904000-memory.dmp

Filesize
336KB

Download
memory/4116-1099-0x0000000006920000-0x0000000006EC4000-memory.dmp

Filesize
5.6MB

Download
memory/4116-12-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-32-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-1106-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4116-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/4116-36-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-38-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-40-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-66-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-26-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-44-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-46-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-48-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-50-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-56-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-58-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-60-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4116-62-0x0000000005560000-0x000000000564C000-memory.dmp

Filesize
944KB

Download
memory/4560-1123-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4560-1104-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4560-1101-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4560-1098-0x0000000000470000-0x000000000047A000-memory.dmp

Filesize
40KB

Download