azorult | eeeb1bc5faafbb0921895d6b2bba4d0dce0ef5288e4b22e3eb6ec329b3ef7c6a

Analysis

max time kernel
137s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02/05/2023, 19:02

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General

Target
Document.exe
Size 327KB
Sample230502-xprt7scb68
SHA256 eeeb1bc5faafbb0921895d6b2bba4d0dce0ef5288e4b22e3eb6ec329b3ef7c6a
MD5 abaf5ea47776f6b5c0e1e2b1f15e323e
SHA1 46bb1d92fe0ba61008c5a6a660c3df5e0fd95dca
SHA512 8a62cdacf3fec7ef10925818d01464913f2bbac6a3216a5d56d289c2891f65e4d19e4e04f37f85ecc959a0628c6dcb2b218a2c9e926061b68b7e1a1a8eb530e3
SSDEEP 6144:R4SUjhth5eidq9iTzzy2/TsZFIYDh0EZmLm56zsoI+vL9sEInDpy:q/eiEMXzyCTsXIuasmLG6g+S/9y
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

azorult guloader collection discovery downloader infostealer spyware stealer trojan

Malware Config

Extracted

Family

azorult

http://kng4.shop/kng4/index.php

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	Document.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	Document.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	Document.exe

Loads dropped DLL 5 IoCs

pid	Process
4000	Document.exe
3372	Document.exe
3372	Document.exe
3372	Document.exe
3372	Document.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 local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Document.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Document.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Document.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3372	Document.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4000	Document.exe
3372	Document.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4000 set thread context of 3372	4000	Document.exe	94

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Document.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Document.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3412	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3372	Document.exe
3372	Document.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4000	Document.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 3372	4000	Document.exe	94
PID 4000 wrote to memory of 3372	4000	Document.exe	94
PID 4000 wrote to memory of 3372	4000	Document.exe	94
PID 4000 wrote to memory of 3372	4000	Document.exe	94
PID 3372 wrote to memory of 4680	3372	Document.exe	95
PID 3372 wrote to memory of 4680	3372	Document.exe	95
PID 3372 wrote to memory of 4680	3372	Document.exe	95
PID 4680 wrote to memory of 3412	4680	cmd.exe	97
PID 4680 wrote to memory of 3412	4680	cmd.exe	97
PID 4680 wrote to memory of 3412	4680	cmd.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Document.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Document.exe

C:\Users\Admin\AppData\Local\Temp\Document.exe
"C:\Users\Admin\AppData\Local\Temp\Document.exe"
1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Users\Admin\AppData\Local\Temp\Document.exe
  "C:\Users\Admin\AppData\Local\Temp\Document.exe"
  2⤵
  - Checks QEMU agent file
  - Checks computer location settings
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:3372
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "Document.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4680
  - - C:\Windows\SysWOW64\timeout.exe
      C:\Windows\system32\timeout.exe 3
      4⤵
      Delays execution with timeout.exe
      PID:3412

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

mozglue.dll

Path C:\Users\Admin\AppData\Local\Temp\B2503312\mozglue.dll
Size 135KB
SHA256 830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
MD5 9e682f1eb98a9d41468fc3e50f907635
SHA1 85e0ceca36f657ddf6547aa0744f0855a27527ee
SHA512 230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
SSDEEP 3072:8Oqe98Ea4usvd5jm6V0InXx/CHzGYC6NccMmxK3atIYHD2JJJsPyimY4kQkE:Vqe98Evua5Sm0ux/5YC6NccMmtXHD2JR
MD5 SHA1 SHA512 SSDEEP

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msvcp140.dll

Path C:\Users\Admin\AppData\Local\Temp\B2503312\msvcp140.dll
Size 429KB
SHA256 334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
MD5 109f0f02fd37c84bfc7508d4227d7ed5
SHA1 ef7420141bb15ac334d3964082361a460bfdb975
SHA512 46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
SSDEEP 12288:Mlp4PwrPTlZ+/wKzY+dM+gjZ+UGhUgiW6QR7t5s03Ooc8dHkC2es9oV:Mlp4PePozGMA03Ooc8dHkC2ecI
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\Users\Admin\AppData\Local\Temp\B2503312\nss3.dll
Size 1.2MB
SHA256 f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
MD5 556ea09421a0f74d31c4c0a89a70dc23
SHA1 f739ba9b548ee64b13eb434a3130406d23f836e3
SHA512 2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
SSDEEP 24576:XDI7I4/FeoJQuQ3IhXtHfjyqgJ0BnPQAib7/12bg2JSna5xfg0867U4MSpu731hn:uQ3YX5jyqgynPkbd24VwMSpu7Fhn
MD5 SHA1 SHA512 SSDEEP

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vcruntime140.dll

Path C:\Users\Admin\AppData\Local\Temp\B2503312\vcruntime140.dll
Size 81KB
SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
MD5 7587bf9cb4147022cd5681b015183046
SHA1 f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA512 0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
SSDEEP 1536:AQXQNgAuCDeHFtg3uYQkDqiVsv39niI35kU2yecbVKHHwhbfugbZyk:AQXQNVDeHFtO5d/A39ie6yecbVKHHwJF
MD5 SHA1 SHA512 SSDEEP

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System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsaBC41.tmp\System.dll
Size 11KB
SHA256 75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
MD5 a436db0c473a087eb61ff5c53c34ba27
SHA1 65ea67e424e75f5065132b539c8b2eda88aa0506
SHA512 908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d
SSDEEP 192:aVL7iZJX76BisO7+UZEw+Rl59pV8ghsVJ39dx8T:d7NsOpZsfLMJ39e
MD5 SHA1 SHA512 SSDEEP

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memory/3372-151-0x0000000000400000-0x0000000001654000-memory.dmp

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memory/3372-150-0x0000000001660000-0x0000000002BDE000-memory.dmp

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memory/3372-152-0x0000000032CC0000-0x0000000032CE7000-memory.dmp

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memory/3372-149-0x0000000000400000-0x0000000001654000-memory.dmp

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memory/3372-147-0x0000000001660000-0x0000000002BDE000-memory.dmp

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memory/3372-146-0x0000000000400000-0x0000000001654000-memory.dmp

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memory/3372-212-0x0000000001660000-0x0000000002BDE000-memory.dmp

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memory/3372-261-0x0000000001660000-0x0000000002BDE000-memory.dmp

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memory/3372-262-0x0000000000400000-0x0000000001654000-memory.dmp

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memory/4000-148-0x0000000004170000-0x00000000056EE000-memory.dmp

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memory/4000-145-0x0000000004170000-0x00000000056EE000-memory.dmp

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