azorult | 514afae06d8b1b4fab775124e5ac53054353b7b7c6a2dbdc2909581cdc438828

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-01-2024 03:01

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General

Target

Cucurbit.exe
Size

609KB
MD5

ad60738dd00b749952f748586c775f7d
SHA1

cbcbf7233e4b8232351eec10770a4236c00a4077
SHA256

514afae06d8b1b4fab775124e5ac53054353b7b7c6a2dbdc2909581cdc438828
SHA512

4eb950122b84f4ca2dc2b0d86dfd78e8cd8be8503958a6ef814316fa848b792e6e612718e4ba896ddf9bd41354958c262fe91393dd3e46725a373750a28dea26
SSDEEP

12288:MkKnLVq69Hrc82yTPZodHtRWztKK7RG1Jz8Ap2x9c8Q04fz/sGoisDsCVVLUUvNR:AQy6ONsqLUCqCpP7TrJ

Score

10^/10

azorult guloader collection discovery downloader infostealer spyware stealer trojan

Malware Config

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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2336 cmd.exe

pid	process
2336	cmd.exe

Loads dropped DLL 17 IoCs

Processes:

Cucurbit.exeCucurbit.exe

pid	process
2272	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.exe
3048	Cucurbit.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
T1552.001
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
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Cucurbit.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Cucurbit.exe
Key opened	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	Cucurbit.exe
Key opened	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Cucurbit.exe

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

Data from Local System
T1005

Credentials In Files
T1552.001
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

Processes:

Cucurbit.exe

pid process

3048 Cucurbit.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

Cucurbit.exeCucurbit.exe

pid process

2272 Cucurbit.exe
3048 Cucurbit.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Cucurbit.exe

description pid process target process

PID 2272 set thread context of 3048 2272 Cucurbit.exe Cucurbit.exe
Drops file in Windows directory 1 IoCs

Processes:

Cucurbit.exe

description ioc process

File opened for modification C:\Windows\Fonts\stepdansers\milieubeskyttelseslovene.ini Cucurbit.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3048	Cucurbit.exe

description	pid	process	target process
PID 2272 set thread context of 3048	2272	Cucurbit.exe	Cucurbit.exe

description	ioc	process
File opened for modification	C:\Windows\Fonts\stepdansers\milieubeskyttelseslovene.ini	Cucurbit.exe

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

Processes:

Cucurbit.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1472 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Cucurbit.exe

pid process

3048 Cucurbit.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

Cucurbit.exe

pid process

2272 Cucurbit.exe

pid	process
1472	timeout.exe

pid	process
3048	Cucurbit.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Cucurbit.exeCucurbit.execmd.exe

description	pid	process	target process
PID 2272 wrote to memory of 3048	2272	Cucurbit.exe	Cucurbit.exe
PID 2272 wrote to memory of 3048	2272	Cucurbit.exe	Cucurbit.exe
PID 2272 wrote to memory of 3048	2272	Cucurbit.exe	Cucurbit.exe
PID 2272 wrote to memory of 3048	2272	Cucurbit.exe	Cucurbit.exe
PID 2272 wrote to memory of 3048	2272	Cucurbit.exe	Cucurbit.exe
PID 2272 wrote to memory of 3048	2272	Cucurbit.exe	Cucurbit.exe
PID 3048 wrote to memory of 2336	3048	Cucurbit.exe	cmd.exe
PID 3048 wrote to memory of 2336	3048	Cucurbit.exe	cmd.exe
PID 3048 wrote to memory of 2336	3048	Cucurbit.exe	cmd.exe
PID 3048 wrote to memory of 2336	3048	Cucurbit.exe	cmd.exe
PID 2336 wrote to memory of 1472	2336	cmd.exe	timeout.exe
PID 2336 wrote to memory of 1472	2336	cmd.exe	timeout.exe
PID 2336 wrote to memory of 1472	2336	cmd.exe	timeout.exe
PID 2336 wrote to memory of 1472	2336	cmd.exe	timeout.exe

outlook_office_path 1 IoCs

Processes:

Cucurbit.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	Cucurbit.exe

outlook_win_path 1 IoCs

Processes:

Cucurbit.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	Cucurbit.exe

C:\Users\Admin\AppData\Local\Temp\Cucurbit.exe
"C:\Users\Admin\AppData\Local\Temp\Cucurbit.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\Cucurbit.exe
  "C:\Users\Admin\AppData\Local\Temp\Cucurbit.exe"
  2⤵
  - 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:3048
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "Cucurbit.exe"
    3⤵
    - Deletes itself
    - Suspicious use of WriteProcessMemory
    PID:2336
  - - C:\Windows\SysWOW64\timeout.exe
      C:\Windows\system32\timeout.exe 3
      4⤵
      Delays execution with timeout.exe
      PID:1472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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

\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-convert-l1-1-0.dll

Filesize
21KB

MD5
72e28c902cd947f9a3425b19ac5a64bd

SHA1
9b97f7a43d43cb0f1b87fc75fef7d9eeea11e6f7

SHA256
3cc1377d495260c380e8d225e5ee889cbb2ed22e79862d4278cfa898e58e44d1

SHA512
58ab6fedce2f8ee0970894273886cb20b10d92979b21cda97ae0c41d0676cc0cd90691c58b223bce5f338e0718d1716e6ce59a106901fe9706f85c3acf7855ff

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-environment-l1-1-0.dll

Filesize
18KB

MD5
ac290dad7cb4ca2d93516580452eda1c

SHA1
fa949453557d0049d723f9615e4f390010520eda

SHA256
c0d75d1887c32a1b1006b3cffc29df84a0d73c435cdcb404b6964be176a61382

SHA512
b5e2b9f5a9dd8a482169c7fc05f018ad8fe6ae27cb6540e67679272698bfca24b2ca5a377fa61897f328b3deac10237cafbd73bc965bf9055765923aba9478f8

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-filesystem-l1-1-0.dll

Filesize
19KB

MD5
aec2268601470050e62cb8066dd41a59

SHA1
363ed259905442c4e3b89901bfd8a43b96bf25e4

SHA256
7633774effe7c0add6752ffe90104d633fc8262c87871d096c2fc07c20018ed2

SHA512
0c14d160bfa3ac52c35ff2f2813b85f8212c5f3afbcfe71a60ccc2b9e61e51736f0bf37ca1f9975b28968790ea62ed5924fae4654182f67114bd20d8466c4b8f

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-heap-l1-1-0.dll

Filesize
18KB

MD5
93d3da06bf894f4fa21007bee06b5e7d

SHA1
1e47230a7ebcfaf643087a1929a385e0d554ad15

SHA256
f5cf623ba14b017af4aec6c15eee446c647ab6d2a5dee9d6975adc69994a113d

SHA512
72bd6d46a464de74a8dac4c346c52d068116910587b1c7b97978df888925216958ce77be1ae049c3dccf5bf3fffb21bc41a0ac329622bc9bbc190df63abb25c6

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-locale-l1-1-0.dll

Filesize
18KB

MD5
a2f2258c32e3ba9abf9e9e38ef7da8c9

SHA1
116846ca871114b7c54148ab2d968f364da6142f

SHA256
565a2eec5449eeeed68b430f2e9b92507f979174f9c9a71d0c36d58b96051c33

SHA512
e98cbc8d958e604effa614a3964b3d66b6fc646bdca9aa679ea5e4eb92ec0497b91485a40742f3471f4ff10de83122331699edc56a50f06ae86f21fad70953fe

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-math-l1-1-0.dll

Filesize
28KB

MD5
8b0ba750e7b15300482ce6c961a932f0

SHA1
71a2f5d76d23e48cef8f258eaad63e586cfc0e19

SHA256
bece7bab83a5d0ec5c35f0841cbbf413e01ac878550fbdb34816ed55185dcfed

SHA512
fb646cdcdb462a347ed843312418f037f3212b2481f3897a16c22446824149ee96eb4a4b47a903ca27b1f4d7a352605d4930df73092c380e3d4d77ce4e972c5a

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-multibyte-l1-1-0.dll

Filesize
25KB

MD5
35fc66bd813d0f126883e695664e7b83

SHA1
2fd63c18cc5dc4defc7ea82f421050e668f68548

SHA256
66abf3a1147751c95689f5bc6a259e55281ec3d06d3332dd0ba464effa716735

SHA512
65f8397de5c48d3df8ad79baf46c1d3a0761f727e918ae63612ea37d96adf16cc76d70d454a599f37f9ba9b4e2e38ebc845df4c74fc1e1131720fd0dcb881431

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-runtime-l1-1-0.dll

Filesize
22KB

MD5
41a348f9bedc8681fb30fa78e45edb24

SHA1
66e76c0574a549f293323dd6f863a8a5b54f3f9b

SHA256
c9bbc07a033bab6a828ecc30648b501121586f6f53346b1cd0649d7b648ea60b

SHA512
8c2cb53ccf9719de87ee65ed2e1947e266ec7e8343246def6429c6df0dc514079f5171acd1aa637276256c607f1063144494b992d4635b01e09ddea6f5eef204

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-stdio-l1-1-0.dll

Filesize
23KB

MD5
fefb98394cb9ef4368da798deab00e21

SHA1
316d86926b558c9f3f6133739c1a8477b9e60740

SHA256
b1e702b840aebe2e9244cd41512d158a43e6e9516cd2015a84eb962fa3ff0df7

SHA512
57476fe9b546e4cafb1ef4fd1cbd757385ba2d445d1785987afb46298acbe4b05266a0c4325868bc4245c2f41e7e2553585bfb5c70910e687f57dac6a8e911e8

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-string-l1-1-0.dll

Filesize
22KB

MD5
404604cd100a1e60dfdaf6ecf5ba14c0

SHA1
58469835ab4b916927b3cabf54aee4f380ff6748

SHA256
73cc56f20268bfb329ccd891822e2e70dd70fe21fc7101deb3fa30c34a08450c

SHA512
da024ccb50d4a2a5355b7712ba896df850cee57aa4ada33aad0bae6960bcd1e5e3cee9488371ab6e19a2073508fbb3f0b257382713a31bc0947a4bf1f7a20be4

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-time-l1-1-0.dll

Filesize
20KB

MD5
849f2c3ebf1fcba33d16153692d5810f

SHA1
1f8eda52d31512ebfdd546be60990b95c8e28bfb

SHA256
69885fd581641b4a680846f93c2dd21e5dd8e3ba37409783bc5b3160a919cb5d

SHA512
44dc4200a653363c9a1cb2bdd3da5f371f7d1fb644d1ce2ff5fe57d939b35130ac8ae27a3f07b82b3428233f07f974628027b0e6b6f70f7b2a8d259be95222f5

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\api-ms-win-crt-utility-l1-1-0.dll

Filesize
18KB

MD5
b52a0ca52c9c207874639b62b6082242

SHA1
6fb845d6a82102ff74bd35f42a2844d8c450413b

SHA256
a1d1d6b0cb0a8421d7c0d1297c4c389c95514493cd0a386b49dc517ac1b9a2b0

SHA512
18834d89376d703bd461edf7738eb723ad8d54cb92acc9b6f10cbb55d63db22c2a0f2f3067fe2cc6feb775db397030606608ff791a46bf048016a1333028d0a4

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\mozglue.dll

Filesize
135KB

MD5
9e682f1eb98a9d41468fc3e50f907635

SHA1
85e0ceca36f657ddf6547aa0744f0855a27527ee

SHA256
830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

SHA512
230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\msvcp140.dll

Filesize
429KB

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\nss3.dll

Filesize
1.2MB

MD5
556ea09421a0f74d31c4c0a89a70dc23

SHA1
f739ba9b548ee64b13eb434a3130406d23f836e3

SHA256
f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

SHA512
2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

Download Submit
\Users\Admin\AppData\Local\Temp\5ED69724\vcruntime140.dll

Filesize
81KB

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
\Users\Admin\AppData\Local\Temp\nsi3821.tmp\System.dll

Filesize
11KB

MD5
17ed1c86bd67e78ade4712be48a7d2bd

SHA1
1cc9fe86d6d6030b4dae45ecddce5907991c01a0

SHA256
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

SHA512
0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

Download Submit
memory/2272-11-0x0000000077400000-0x00000000774D6000-memory.dmp

Filesize
856KB

Download
memory/2272-13-0x0000000003A70000-0x0000000005D9D000-memory.dmp

Filesize
35.2MB

Download
memory/2272-12-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/2272-10-0x0000000077210000-0x00000000773B9000-memory.dmp

Filesize
1.7MB

Download
memory/2272-9-0x0000000003A70000-0x0000000005D9D000-memory.dmp

Filesize
35.2MB

Download
memory/3048-15-0x0000000077210000-0x00000000773B9000-memory.dmp

Filesize
1.7MB

Download
memory/3048-14-0x0000000001550000-0x000000000387D000-memory.dmp

Filesize
35.2MB

Download
memory/3048-16-0x0000000077436000-0x0000000077437000-memory.dmp

Filesize
4KB

Download
memory/3048-17-0x00000000004E0000-0x0000000001542000-memory.dmp

Filesize
16.4MB

Download
memory/3048-18-0x00000000004E0000-0x0000000001542000-memory.dmp

Filesize
16.4MB

Download
memory/3048-150-0x00000000004E0000-0x0000000001542000-memory.dmp

Filesize
16.4MB

Download
memory/3048-151-0x0000000001550000-0x000000000387D000-memory.dmp

Filesize
35.2MB

Download
memory/3048-152-0x0000000077400000-0x00000000774D6000-memory.dmp

Filesize
856KB

Download