agenttesla | 8a4401b2bfd1bf7cd88327ad700415d6d785d64a403967052ff8f90752f35339

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
05/09/2023, 10:51

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General

Target
8a4401b2bfd1bf7cd88327ad700415d6d785d64a403967052ff8f90752f35339.exe
Size 969KB
Sample230905-mxtcwseh21
SHA256 8a4401b2bfd1bf7cd88327ad700415d6d785d64a403967052ff8f90752f35339
MD5 c9529a25d594961e607b4dcae422cb3a
SHA1 c098cb76892d3a15e411df6f7609898bb3eded3c
SHA512 5bd8e5f78418b156a5ae0deb6606c3ed76a3bea555cf51ff94ebea978f9422704a59dc0149d3f9a508290236a31dad6e83131d512e56b5854030cb46af2f1a5a
SSDEEP 24576:NTbBv5rUanD9l9oJVxmemCppraBGa6mXcqIAXiAQFSDJ:HBja7xmem6prvLAXiAVV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.asgamaltex.com
Port
587
Username
[email protected]
Password
WalidSabry013
Email to
[email protected]

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
1996	lwbgvhqn.pdf

Loads dropped DLL 1 IoCs

pid	Process
2756	cmd.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 592	1996	lwbgvhqn.pdf	38

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2660	ipconfig.exe
2024	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1996	lwbgvhqn.pdf
1996	lwbgvhqn.pdf
1996	lwbgvhqn.pdf
1996	lwbgvhqn.pdf
1996	lwbgvhqn.pdf
1996	lwbgvhqn.pdf
592	RegSvcs.exe
592	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	592	RegSvcs.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 856	2040	8a4401b2bfd1bf7cd88327ad700415d6d785d64a403967052ff8f90752f35339.exe	28
PID 2040 wrote to memory of 856	2040	8a4401b2bfd1bf7cd88327ad700415d6d785d64a403967052ff8f90752f35339.exe	28
PID 2040 wrote to memory of 856	2040	8a4401b2bfd1bf7cd88327ad700415d6d785d64a403967052ff8f90752f35339.exe	28
PID 2040 wrote to memory of 856	2040	8a4401b2bfd1bf7cd88327ad700415d6d785d64a403967052ff8f90752f35339.exe	28
PID 856 wrote to memory of 1964	856	wscript.exe	29
PID 856 wrote to memory of 1964	856	wscript.exe	29
PID 856 wrote to memory of 1964	856	wscript.exe	29
PID 856 wrote to memory of 1964	856	wscript.exe	29
PID 856 wrote to memory of 2756	856	wscript.exe	31
PID 856 wrote to memory of 2756	856	wscript.exe	31
PID 856 wrote to memory of 2756	856	wscript.exe	31
PID 856 wrote to memory of 2756	856	wscript.exe	31
PID 2756 wrote to memory of 1996	2756	cmd.exe	34
PID 2756 wrote to memory of 1996	2756	cmd.exe	34
PID 2756 wrote to memory of 1996	2756	cmd.exe	34
PID 2756 wrote to memory of 1996	2756	cmd.exe	34
PID 1964 wrote to memory of 2024	1964	cmd.exe	33
PID 1964 wrote to memory of 2024	1964	cmd.exe	33
PID 1964 wrote to memory of 2024	1964	cmd.exe	33
PID 1964 wrote to memory of 2024	1964	cmd.exe	33
PID 856 wrote to memory of 2452	856	wscript.exe	35
PID 856 wrote to memory of 2452	856	wscript.exe	35
PID 856 wrote to memory of 2452	856	wscript.exe	35
PID 856 wrote to memory of 2452	856	wscript.exe	35
PID 2452 wrote to memory of 2660	2452	cmd.exe	37
PID 2452 wrote to memory of 2660	2452	cmd.exe	37
PID 2452 wrote to memory of 2660	2452	cmd.exe	37
PID 2452 wrote to memory of 2660	2452	cmd.exe	37
PID 1996 wrote to memory of 592	1996	lwbgvhqn.pdf	38
PID 1996 wrote to memory of 592	1996	lwbgvhqn.pdf	38
PID 1996 wrote to memory of 592	1996	lwbgvhqn.pdf	38
PID 1996 wrote to memory of 592	1996	lwbgvhqn.pdf	38
PID 1996 wrote to memory of 592	1996	lwbgvhqn.pdf	38
PID 1996 wrote to memory of 592	1996	lwbgvhqn.pdf	38
PID 1996 wrote to memory of 592	1996	lwbgvhqn.pdf	38
PID 1996 wrote to memory of 592	1996	lwbgvhqn.pdf	38
PID 1996 wrote to memory of 592	1996	lwbgvhqn.pdf	38

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\8a4401b2bfd1bf7cd88327ad700415d6d785d64a403967052ff8f90752f35339.exe
"C:\Users\Admin\AppData\Local\Temp\8a4401b2bfd1bf7cd88327ad700415d6d785d64a403967052ff8f90752f35339.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\System32\wscript.exe" xlf-s.vbe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:856
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c ipconfig /release
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1964
  - - C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /release
      4⤵
      Gathers network information
      PID:2024
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c lwbgvhqn.pdf hgokkdedt.bin
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2756
  - - C:\Users\Admin\AppData\Local\Temp\RarSFX0\lwbgvhqn.pdf
      lwbgvhqn.pdf hgokkdedt.bin
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1996
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        Accesses Microsoft Outlook profiles
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        outlook_office_path
        outlook_win_path
        
        PID:592
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c ipconfig /renew
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /renew
      4⤵
      Gathers network information
      PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

epoqxbql.hdr

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\epoqxbql.hdr
Size 392KB
SHA256 f2de480c17cb92be6726b7005a48f9c9f4cba8ea9d2cbbd9402604ae1937765e
MD5 b4d81376927fe2fda4464290840b4e7f
SHA1 67bb53ed57c39b703c2241fb0f964395738cb731
SHA512 9a7140a5bba89b615187d0d9bd01e1944ff89796f0857a05afb23fb62f2eb897d0f6026518f18b2d9fa92afd2a17fdd360e251faad9b9c305497ea2c821ab674
SSDEEP 6144:6icI97GNKbKEjcPEE8BLSM26MqRHmZXTJGHOMlQ0vVUPN3aIbDFuo4C1j0hENsqo:h7tbqF7aEtHRvU
MD5 SHA1 SHA512 SSDEEP

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hgokkdedt.bin

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\hgokkdedt.bin
Size 99.2MB
SHA256 f3cfccb7d20bc82a590e128b8d54090fdeb1a55781147db7fde0be581fd8ac6a
MD5 fbe485f190693f15d4ef79258edcdafb
SHA1 45577ca31ebee19e721eacf3b76d9550908b8f12
SHA512 daf3fc9469153074fe25ebbbc852750bab2d214db04d847561614138219cd1860eedadcd3eed19269460a7e489209b7b42b2dc34c64a7d37f5696bf5429b265a
SSDEEP 98304:IutZDPuhUmx3hIiWtnk7gcQaGd+nouiaD5rWqWJahj8ESMXYOULIUJVinkZdvdxS:C
MD5 SHA1 SHA512 SSDEEP

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lwbgvhqn.pdf

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\lwbgvhqn.pdf
Size 925KB
SHA256 98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b
MD5 0adb9b817f1df7807576c2d7068dd931
SHA1 4a1b94a9a5113106f40cd8ea724703734d15f118
SHA512 883aa88f2dba4214bb534fbdaf69712127357a3d0f5666667525db3c1fa351598f067068dfc9e7c7a45fed4248d7dca729ba4f75764341e47048429f9ca8846a
SSDEEP 24576:fYgAon+KfqNbXD2XJ2PH1ddATgs/u2kaCB+l:f37+KSbq5e1diEnHaCK
MD5 SHA1 SHA512 SSDEEP

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lwbgvhqn.pdf

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\lwbgvhqn.pdf
Size 925KB
SHA256 98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b
MD5 0adb9b817f1df7807576c2d7068dd931
SHA1 4a1b94a9a5113106f40cd8ea724703734d15f118
SHA512 883aa88f2dba4214bb534fbdaf69712127357a3d0f5666667525db3c1fa351598f067068dfc9e7c7a45fed4248d7dca729ba4f75764341e47048429f9ca8846a
SSDEEP 24576:fYgAon+KfqNbXD2XJ2PH1ddATgs/u2kaCB+l:f37+KSbq5e1diEnHaCK
MD5 SHA1 SHA512 SSDEEP

Submit Download

nhaxcepqj.xl

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\nhaxcepqj.xl
Size 35KB
SHA256 dda32f7fc2644c5775821a799ccf41fffcc696a51d71e1dfaf5cba3325c2807a
MD5 286dba1c02698883811c7125ab5dcb49
SHA1 82cc4a2a055ac620112abfa7a3fb44f21685a146
SHA512 bdcbb528d8e78c8f7dcf5aed90fc8dbfb09414d6ab6d9fc8e7a4043daf704c79df7d4d26fb41f698c49acde2f850419c10bbc84ad288682d831774e2e4ecfcd8
SSDEEP 768:glBnXmW6jyFZIbZtq2CJo6HcEp4ZCNAvCagsBLKWT+gYmeCW:gl9XmW6eFZ2Y2ep4RvCagsBSJR7
MD5 SHA1 SHA512 SSDEEP

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xlf-s.vbe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\xlf-s.vbe
Size 45KB
SHA256 2997ef0bd9b1c42045477446f9b6dbef899f3065fc92f599e01e4a88818e1c08
MD5 796b6499c4cf3e22a905f72e564ed504
SHA1 4435b41b88adaa970c7907540952654f1dc0a527
SHA512 03ea2e186462de9ee4e4f4a277a037f9df6346c9c230c5bd553e5ad3c88fda9f87fd64ea1b58991c5893cf6e9377bf20de414243188b7d36f491916f3424648c
SSDEEP 768:xk8nQ246ikfk8nQ246ikgk8nQ246ikok8nQ246ikWk8nQ246ikHck8nQ246ikokd:y8nfXO8nfXB8nfXJ8nfXH8nfXFP8nfXD
MD5 SHA1 SHA512 SSDEEP

Submit Download

lwbgvhqn.pdf

Path \Users\Admin\AppData\Local\Temp\RarSFX0\lwbgvhqn.pdf
Size 925KB
SHA256 98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b
MD5 0adb9b817f1df7807576c2d7068dd931
SHA1 4a1b94a9a5113106f40cd8ea724703734d15f118
SHA512 883aa88f2dba4214bb534fbdaf69712127357a3d0f5666667525db3c1fa351598f067068dfc9e7c7a45fed4248d7dca729ba4f75764341e47048429f9ca8846a
SSDEEP 24576:fYgAon+KfqNbXD2XJ2PH1ddATgs/u2kaCB+l:f37+KSbq5e1diEnHaCK
MD5 SHA1 SHA512 SSDEEP

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memory/592-147-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/592-145-0x0000000000210000-0x00000000006BA000-memory.dmp

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memory/592-148-0x0000000000210000-0x00000000006BA000-memory.dmp

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memory/592-150-0x0000000000210000-0x00000000006BA000-memory.dmp

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memory/592-152-0x0000000000210000-0x00000000006BA000-memory.dmp

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memory/592-153-0x0000000000210000-0x0000000000252000-memory.dmp

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memory/592-154-0x0000000073650000-0x0000000073D3E000-memory.dmp

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memory/592-155-0x0000000004D90000-0x0000000004DD0000-memory.dmp

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memory/592-156-0x0000000073650000-0x0000000073D3E000-memory.dmp

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memory/592-157-0x0000000004D90000-0x0000000004DD0000-memory.dmp

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