1b3c0b6ea908a2c06d2566073b377018b78fefc5f773b27e0e2447b276bf8cba

Analysis

max time kernel
13s
max time network
21s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2024, 22:45

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General

Target

ConsoleApp1.exe
Size

65.8MB
MD5

fd9978f1ee45dcf628b273c787687bf2
SHA1

b5f3699ccb6287bfd9038aded2397b7231464ab8
SHA256

1b3c0b6ea908a2c06d2566073b377018b78fefc5f773b27e0e2447b276bf8cba
SHA512

732c9660d7bccb108cfa1b50439997ffa08d44733a46b89498c387f9f9006e63d0197272a852e1dab6eda72ef9e0e4ee939508ab0ba218d7463f6838875a6bd9
SSDEEP

393216:WW+tK2sxPOzdmxDoh9f0VV41LVTKLb5urzdCVH2tZHfoaE7WAUSWPmcSpnLE7yRt:WnKN69f3TKLb5CP7Ncqmk/jnqN

Score

9^/10

evasion

Malware Config

Signatures

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	ConsoleApp1.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	ConsoleApp1.exe

Loads dropped DLL 18 IoCs

pid	Process
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe
4432	ConsoleApp1.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "124"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	856	shutdown.exe
Token: SeRemoteShutdownPrivilege	856	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1144	LogonUI.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 856	4432	ConsoleApp1.exe	95
PID 4432 wrote to memory of 856	4432	ConsoleApp1.exe	95

C:\Users\Admin\AppData\Local\Temp\ConsoleApp1.exe
"C:\Users\Admin\AppData\Local\Temp\ConsoleApp1.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Windows\SYSTEM32\shutdown.exe
  "shutdown" /s /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:856

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3942055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\ConsoleApp1.dll

Filesize
7KB

MD5
19daaaeb46aae9ea254f4860f731020e

SHA1
a2ff7af80c703f8ddefa816997cc64da0c9e5816

SHA256
163a7498cf2b7eec8a7f366e49a2dcfa8306b6f5e984d4781b22c3c26ad0c331

SHA512
096a6ed1a9c0cbf0666104393bb5234df49da7e1bc230ae671f7b83ecbc094e37dd08f772e132453ac654caec1ed6a546b2df9fe769844f39653542e96c13924

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C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\Microsoft.Win32.Primitives.dll

Filesize
21KB

MD5
27b3ee8d64b2b1290eaf90bfe7d0b009

SHA1
d30b53d53f0258666987f9a9fc15c862c6f36935

SHA256
5905b9e94aae08d2d8e63a5d907493d89f98153ec95b43e241db5e3a3c6f5bb9

SHA512
cc9910757bf24efead841d0632e95bf8a24577bc762391944dd6a82048984140a3f373ccdbaa3f9869e9f38c72213eeaaaad90dd318b3870a4b827e265292c92

Download Submit
C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\Microsoft.Win32.Registry.dll

Filesize
87KB

MD5
ef200f43384a248855d6825fb27c7413

SHA1
88cc8ee364886e1d683084c36002053faaf8ebb0

SHA256
e1481e57d6efaeb7f463b6e8d93cab48e35beba25ed53382ddef4b15143404e4

SHA512
f0810df4b94f44061614e06b1e4bbef83fcbc5e477a6df889859d95422974cde48b5c6990ec3ca3b006d27e88ce436e57c2a9b6256e7f162b5cd8971dc95aab0

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C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\System.ComponentModel.Primitives.dll

Filesize
52KB

MD5
ad43b19efb5bf397a7ff7f0c4bc23f3a

SHA1
557831bf876e662941658d45b7a63242229e62fa

SHA256
b95484e1e93daab32a9871faf33800ab3c583b1d830dcbd961a6cfb0cef408bb

SHA512
bcbad6dddcd29c9e7f435fe38472d2cf76a9d2c9af8990a31ce86f051039b6ec2e28c0064a165e62b18883a6091cd9d9361390d4fd63ec6960910139e40f7b52

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C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\System.Console.dll

Filesize
150KB

MD5
483b394bca8e88a2ddd73ef49c3d1b21

SHA1
e712a41d36589b499de449b14a55163217444ec4

SHA256
6bdba19e6ed1396e60ea8b2a1a6fa88859203e304e407b6a30c59649563b76e7

SHA512
b38a8f3eff74c863c2d93725fe4e61cd43b4b4b78658f9f0ff430b2a5acaf6051ca82cc38c5b12692a3352e50d69f3b6229e1069738c4c2f6932eb2a2f266a67

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C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\System.Diagnostics.Process.dll

Filesize
251KB

MD5
bf5183f8265c7ab13da680f758dcb596

SHA1
be25478b6c3357e3507d679269d1d4b97c1ef648

SHA256
5f4591a617547661aa486c5b31cf9673be4c95b930a5cf898bd23b07bc1bd8fe

SHA512
5507ab30bd53bd36a6cfe25037d4c3b6e5801a24cbc17973e927b1b9675fb5be2551d73cc3b249bec118928d2d51c560cf5ec8939bd08e178a457f68ea8d3ecf

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C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\System.IO.FileSystem.dll

Filesize
213KB

MD5
7de43fff6887ce2c7e1a3e857d9dae32

SHA1
1c08016b08f44ed510dc3c9b3415c0c437fd6fe6

SHA256
d9c448babdcf592e0fcacdffb395ec66ddc74469e9a7fcf281bdacf4f9be7382

SHA512
c87ebf4e57ca935f51721d72ad8f46b8468513a0ffbea5d001f72be7c94f4c99b0d793cc589517c348e9e20f62eb8303eedfe0ce6fcf2a4a8b5b10ebd4040d06

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C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\System.Private.CoreLib.dll

Filesize
9.1MB

MD5
3bef1d84ef1785381eff399adec681df

SHA1
6a933f1c9f8f5cecb0ffa9aa0d6b382854ed99ae

SHA256
43ccf83cf6dd08e2ba9159990a0b099493667c423de51b1db1191f05a748fe51

SHA512
9f436e7eb201927663b93e691d781b44d2d34011215a2b4dbf7584e5d788528f7601a7e9e4bbf422734ab9792984a44eed2bf5d9298940eb37420bfdef2066c2

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C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\System.Runtime.Extensions.dll

Filesize
202KB

MD5
672d0c20b632d42f14f3c4bd2d9d2739

SHA1
84aee0e0d27900728ef601f68bd5892937453d22

SHA256
2f5fd0ebed622e1ee3da1a0b96adc2e3e2a4bd91d231594acc8d6dbed441b604

SHA512
76e2c44d166412598994c48cfa8426d09ff782b8b6703fce81710576b2998be6bfaa8f675ca67e3ebf056618a839f929ac6d8016f580c331d11f9f96c3018bc1

Download Submit
C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\System.Runtime.dll

Filesize
52KB

MD5
6874d29dc20943dd13b3898cd54cdd88

SHA1
3eb8c35b2792f5433f45bb4f04e63fa16e7d9782

SHA256
20a1ecc100a50c567c170063b18e1fdb0f9d41ea5878981bd3c38f95544ca529

SHA512
c800164aef2b1bfbd01f16360184bd416536ee4e182f39317f89702465d11616ce320575e6e442552142957f027a3012126eed54c32ed39d585a357fa26f01b0

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C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\System.Text.Encoding.Extensions.dll

Filesize
14KB

MD5
128862b6211e4968b44c417be3b7373b

SHA1
acae1850a6082e2f8ab717377d63b0a771a8d970

SHA256
4b406bd4a1a4c7d4015d5c7f5cf9671dec32209e22f9b1872d85876ac72c77db

SHA512
c06a0fc69379139be339d64e6a3c474f910743b80691055e8d7b7340a89175a312ba78f282e03cb96568f031de84700d2896c06d8c2749211708b6807acec0f1

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C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\System.Threading.Thread.dll

Filesize
17KB

MD5
e28b58d37ecfc7eceaf280ed742343f5

SHA1
bb9a306bd8be1579f81edb80ad0114d28d2bd114

SHA256
de01a740531b6411d8b01a38a416b6388d755954a7d29d6b50ca71f0ae4c96bc

SHA512
83dbaf4e873e8174ae9716ca1b8300636761902da5c0232d3b4de31e51c95494e23a67859576804412c345b01813cdfa60ce034d9c8f89374c1e0c7ac4a55aa6

Download Submit
C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\System.Threading.dll

Filesize
75KB

MD5
c8d25e5421e63e07974aa119971b56f5

SHA1
66d4dddd001bb3e432c575cfee094cb6d4dba0bc

SHA256
48f28a34628f517ec1693a5ed02ec30c2cb354a8423c43327825ead731ccadc6

SHA512
bbcc3746c978cc68f14ea735652841068822d606ad63b87538953569a9d683d5df0aa1d6901f65234de82730baf14e652879ffa8ee9fe72328fab91780ebe428

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C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\clrjit.dll

Filesize
1.2MB

MD5
8e636859f42c166c13eb041311299b8a

SHA1
d5b0d5104c5cfe1b7b2c95d7680c2e84d4f0d70b

SHA256
d713a5bafa2ef2fa7c1594d9c22d03357f62f8cb359208bf9e3616639dc351f9

SHA512
a5fbee9f04f5ef53c6ab2c666cb1f9e620ceacb25fc2eeb8a079887e2f3f3a3bbee88c6036d39125138f93c599986697444707db90e5ac30515e59d54246e094

Download Submit
C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\coreclr.dll

Filesize
567KB

MD5
3b8a019ead86792e48c917bfaa0847cf

SHA1
a77d874e0fe4e3aa061145c67daa64f3b17bca69

SHA256
f66765ec290d8322454831df20730b83b41bc5949b58ebbd92092fdc19f57af3

SHA512
9bdf4cb786376e00576315bdb730e580b1b3a6537a0bef3a640db37b0ad87fb4db511bb4b6f65e10cec163ecca656cda29d35e93fbd05253b449497662753b11

Download Submit
C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\hostfxr.dll

Filesize
396KB

MD5
307b6f5832c5b80c8bc87d97b67e4775

SHA1
9ab2916ae987ebf0131bab10e449933f3fadcfc0

SHA256
7652aeb0ecb06119b0871f6b850193d3ffae73e22bf207c81b67b155afa85991

SHA512
cec6e1b2c278b287fc05767a7c596b8f1d180d24ca5be0d4ed484ca8e82487bcc804245e6c60e45852ba7964a3b288f42504c792a617f5200b461089d7a9219b

Download Submit
C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\hostpolicy.dll

Filesize
382KB

MD5
314f06e61af6221c9b4b0af77e1af522

SHA1
73b811d6488ab3dbb7edf9cf7d3daa0ce2343585

SHA256
ee653d530f0ba5bf0e7f691825dcbd2dc6995374820d7e4aef0604cc47c3b3ab

SHA512
b05785222438da0f1b0a30ed77d3977c8a96fda00cfe8475816cbcc9b05176253d8a150d713ca99f58145d36ecce7ab643cfc15def39e1169a122dcc2cbd863b

Download Submit
C:\Users\Admin\AppData\Local\Temp\.net\ConsoleApp1\U938HzO+KxCOkJ+9PbQa+uctEmFzu1s=\netstandard.dll

Filesize
112KB

MD5
47eda957551584d4338ee35f5fe6798f

SHA1
4b5220c3f6db4d29a2d98baa972ca3dc9d0a0762

SHA256
f3ea52f01fc8bdf8f9016f5f06d2903f30fc881fd00a025a7751b63e36d8c642

SHA512
cb50fb96c860793bc21c6a9c5017748dc91243e459347599550ed816e5b7c343d5d027294169c39e081e44e42c220b5ae03dba9333832ed93d914a1e58baea2b

Download Submit
memory/4432-236-0x00007FF958000000-0x00007FF95856F000-memory.dmp

Filesize
5.4MB

Download
memory/4432-265-0x00007FF958000000-0x00007FF95856F000-memory.dmp

Filesize
5.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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