70d313b32680b46843d8bb85d3c38f60a0907aee88cc5ac7f446e7809375e447

Analysis

max time kernel
12s
max time network
13s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 08:09

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Reason

Machine shutdown

General

Target
QI.exe
Size 5.9MB
Sample240507-j167daah23
SHA256 70d313b32680b46843d8bb85d3c38f60a0907aee88cc5ac7f446e7809375e447
MD5 352c1cd1b44a666a3535c9b1f2c578d0
SHA1 e335a89a43596ce4bc1e25a1a63a8ec5a480f9ab
SHA512 d82f18300789a4110d7f3f509e5171fea5ef86760125c877a5577f0747b29024bb4f7af7ebbbb066c5d39501c89f115ba83808183aa1609b324f1441bca85e94
SSDEEP 98304:JFJ895z6ubxEWOUkEE8vT5epqdse9dHCkvRvCgJWGu78JDaKX2O6RJXTg:J72N6u6WOh8vlfdzvRvrJ1uYBaGmXX
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

bootkit execution persistence upx

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1624	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation	QI.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation	QI.EXE

Executes dropped EXE 8 IoCs

pid	Process
1648	QI.EXE
4420	crazywarningicons.exe
2028	erroricons.exe
1912	pizdec.exe
3572	[email protected]
3712	start.exe
1172	sys3.exe
4864	1111.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0031000000023bb5-76.dat	upx
behavioral2/memory/3712-82-0x0000000000400000-0x000000000041D000-memory.dmp	upx
behavioral2/memory/3712-104-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\QI = "C:\\0079952\\QI.EXE"	QI.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	pizdec.exe
File opened for modification	\??\PHYSICALDRIVE0	sys3.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4244	schtasks.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "42"	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\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1624	powershell.exe
1624	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	powershell.exe
Token: SeShutdownPrivilege	1172	sys3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4436	LogonUI.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 1624	2192	QI.exe	87
PID 2192 wrote to memory of 1624	2192	QI.exe	87
PID 2192 wrote to memory of 4244	2192	QI.exe	89
PID 2192 wrote to memory of 4244	2192	QI.exe	89
PID 2192 wrote to memory of 1648	2192	QI.exe	91
PID 2192 wrote to memory of 1648	2192	QI.exe	91
PID 1648 wrote to memory of 4420	1648	QI.EXE	96
PID 1648 wrote to memory of 4420	1648	QI.EXE	96
PID 1648 wrote to memory of 4420	1648	QI.EXE	96
PID 1648 wrote to memory of 2028	1648	QI.EXE	97
PID 1648 wrote to memory of 2028	1648	QI.EXE	97
PID 1648 wrote to memory of 2028	1648	QI.EXE	97
PID 1648 wrote to memory of 1912	1648	QI.EXE	98
PID 1648 wrote to memory of 1912	1648	QI.EXE	98
PID 1648 wrote to memory of 1912	1648	QI.EXE	98
PID 1648 wrote to memory of 3572	1648	QI.EXE	99
PID 1648 wrote to memory of 3572	1648	QI.EXE	99
PID 1648 wrote to memory of 3712	1648	QI.EXE	100
PID 1648 wrote to memory of 3712	1648	QI.EXE	100
PID 1648 wrote to memory of 3712	1648	QI.EXE	100
PID 1912 wrote to memory of 1172	1912	pizdec.exe	101
PID 1912 wrote to memory of 1172	1912	pizdec.exe	101
PID 1912 wrote to memory of 1172	1912	pizdec.exe	101
PID 1648 wrote to memory of 4864	1648	QI.EXE	103
PID 1648 wrote to memory of 4864	1648	QI.EXE	103
PID 1648 wrote to memory of 4864	1648	QI.EXE	103

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\QI.exe
"C:\Users\Admin\AppData\Local\Temp\QI.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\0079952\QI.EXE'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1624
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /F /TN "QI" /SC ONLOGON /TR "C:\0079952\QI.EXE" /RL HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:4244
- C:\0079952\QI.EXE
  "C:\0079952\QI.EXE"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Users\Admin\AppData\Local\Temp\crazywarningicons.exe
    "C:\Users\Admin\AppData\Local\Temp\crazywarningicons.exe"
    3⤵
    - Executes dropped EXE
    PID:4420
- - C:\Users\Admin\AppData\Local\Temp\erroricons.exe
    "C:\Users\Admin\AppData\Local\Temp\erroricons.exe"
    3⤵
    - Executes dropped EXE
    PID:2028
- - C:\Users\Admin\AppData\Local\Temp\pizdec.exe
    "C:\Users\Admin\AppData\Local\Temp\pizdec.exe"
    3⤵
    - Executes dropped EXE
    - Writes to the Master Boot Record (MBR)
    - Suspicious use of WriteProcessMemory
    PID:1912
  - - C:\Users\Admin\AppData\Local\Temp\sys3.exe
      C:\Users\Admin\AppData\Local\Temp\\sys3.exe
      4⤵
      Executes dropped EXE
      Writes to the Master Boot Record (MBR)
      Suspicious use of AdjustPrivilegeToken
      PID:1172
- - C:\Users\Admin\AppData\Local\Temp\[email protected]
    "C:\Users\Admin\AppData\Local\Temp\[email protected]"
    3⤵
    - Executes dropped EXE
    PID:3572
- - C:\Users\Admin\AppData\Local\Temp\start.exe
    "C:\Users\Admin\AppData\Local\Temp\start.exe"
    3⤵
    - Executes dropped EXE
    PID:3712
- - C:\Users\Admin\AppData\Local\Temp\1111.exe
    "C:\Users\Admin\AppData\Local\Temp\1111.exe"
    3⤵
    - Executes dropped EXE
    PID:4864

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39b6055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

QI.EXE

Path C:\0079952\QI.EXE
Size 5.9MB
SHA256 cba6b4b8a352174cedc24d216250d3e389ff5c06aa0b063869084bd2a85784d1
MD5 6e5e7f2f5ddb3ae96e0b554af23f7d8a
SHA1 1db98b50cd29f1d9b56aad8e1440ba239829e65c
SHA512 ac48c21e99aa0e1279d868b98a10d36bc0d3d2150cf88e9e666dcca2d5ccc045a886546f7d0117af5ff34d156cad0ecbe74a97e767e5e6447ef1c4171c7bdab9
SSDEEP 98304:PNPZu3Tz6YjdMOyooi+ETrJCPw/UkljvoaDzTCifMa6zYZ9uE6SBjpBCoO:PfAv6YiOy3ETrRj9DzTBfl6srWgpR
MD5 SHA1 SHA512 SSDEEP

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QI.EXE.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\QI.EXE.log
Size 654B
SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
MD5 2ff39f6c7249774be85fd60a8f9a245e
SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
MD5 SHA1 SHA512

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1111.exe

Path C:\Users\Admin\AppData\Local\Temp\1111.exe
Size 4.6MB
SHA256 248e8e6fe3c0699f347e6651eaf79c2d820848549520850b45ab9b762dbb9776
MD5 d76f5511907522ebe06e829de7b5ed52
SHA1 090abee096762c74879cc64197201011d09a6928
SHA512 8e7dd01b7bad9a3a3e4af3df76a8f6b3c80a20b3d3f9bd0cef8d1f0a4a6bbb893a8ab0075d0d5329a689a82ee8af2db756c1055d5be5d5417c9e6f33747dcbae
SSDEEP 98304:FsrGPubfzsd6o48KSPwuoHPHwPH7Qa/PX+vlL/jCKz+6oVWnzY:pGrsF48loHoxPClL/j7zNoczY
MD5 SHA1 SHA512 SSDEEP

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[email protected]

Path C:\Users\Admin\AppData\Local\Temp\[email protected]
Size 68KB
SHA256 13adae722719839af8102f98730f3af1c5a56b58069bfce8995acd2123628401
MD5 bc1e7d033a999c4fd006109c24599f4d
SHA1 b927f0fc4a4232a023312198b33272e1a6d79cec
SHA512 f5d9b8c1fd9239894ec9c075542bff0bcef79871f31038e627ae257b8c1db9070f4d124448a78e60ccc8bc12f138102a54825e9d7647cd34832984c7c24a6276
SSDEEP 768:bhU+D/no2u+6JaAcNRFJ67Pn975JqiG6BwUqdVBF+G2JOnCC6G2JOtCCm:bhjDIrU0h5Jqi7qzb2ICCb26CCm
MD5 SHA1 SHA512 SSDEEP

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__PSScriptPolicyTest_fcifkygd.5qb.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fcifkygd.5qb.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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crazyinvers.exe

Path C:\Users\Admin\AppData\Local\Temp\crazyinvers.exe
Size 2.3MB
SHA256 47f0e9a90d45b193e81d3e60b7a43e5a4550a07a3dd1f7c98110fde12265d999
MD5 a44458813e819777013eb3e644d74362
SHA1 2dd0616ca78e22464cf0cf68ef7915358a16f9ee
SHA512 1a4723a36f55cf696f33a7927571bda403e81ced32fda85c7cf25c8458897fb187e46bf5f80c26542725a9a7e5aa0e961fd3f3b110ae8f54b3b96b3e5dfc8215
SSDEEP 49152:t3Qe5ZlQ0WORqQ6BbXNYD8fOVk9hVzestkkWi5sWTnE:tJ320WORRqNYD8fOVk9hVzestkk15sWw
MD5 SHA1 SHA512 SSDEEP

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crazywarningicons.exe

Path C:\Users\Admin\AppData\Local\Temp\crazywarningicons.exe
Size 1.2MB
SHA256 0ecbb8099ed1d9a1673165d3c4c9bbde88dd9678540a98b99434ff23b9e6d82c
MD5 e21bb4749a8b1b6fc26a7bcf57781836
SHA1 89cb0bd80d691ca650ad01551be3acefa2256ebd
SHA512 b0ccf421e415f94b6f0497dd041a8e7693d01d72cd577eca771d2049516f7a0c8c7221da642e5c38d5bc95a2335279d36f956314bda442b99a2d244bcc73b47b
SSDEEP 24576:UGqxBK84DB4heZriJJ59SsfVE1QZqS5czbsJUOXps:1qBK84DB4heZriT58sfVE1QwS5cnsJna
MD5 SHA1 SHA512 SSDEEP

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erroricons.exe

Path C:\Users\Admin\AppData\Local\Temp\erroricons.exe
Size 316KB
SHA256 994efdb644ca1acb029dfd8d8eeba440e1cb74d93841b17f21165b9900730b15
MD5 7f31508d95be3fe50e4e9aa646e86a12
SHA1 c61b439d6e17d630728f48c09b36af2647940748
SHA512 2e2b01e84a3476b47a9c703b71ce31887e4a4fa9340780f0cbbd20601be621bf00b9619df8bec0e81b2825550150c477c5071d921104a4c6265ef2d5a9e77eda
SSDEEP 6144:tX1KK324vOlFvSd05W1+5aq2EWykUCuOSTm+q1ZTq3iifGS4:JcVVrSa0MoxEZ+Qy3TGiQW
MD5 SHA1 SHA512 SSDEEP

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pizdec.exe

Path C:\Users\Admin\AppData\Local\Temp\pizdec.exe
Size 10KB
SHA256 97b09d2780df299384aa0f5d8184b9d5dc5df9d59715320b9afa7bdc93baa95c
MD5 f35633ae6d4ed40fce9b5b62dd575d79
SHA1 df952be90c5447bac8db8a3bb2c31d6820a9e2a0
SHA512 4b3ec5a372ab6883cf5b7f52010c99a2b7cf787b37b0062cbb542ae3557d8410e6ec2bff07e6d2266cea35885647ca9c5d26acce93fbace884e8fca632869952
SSDEEP 96:ylerqC4RquUqCLm8ilTckBcf0hKMqizxgkQlnw:prqvqucLm8ircchKMqinQlnw
MD5 SHA1 SHA512 SSDEEP

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start.exe

Path C:\Users\Admin\AppData\Local\Temp\start.exe
Size 47KB
SHA256 df3ee675829d7eeb051583b399909a0ac9d0b3e868c6850ecaa5d11a9e563c20
MD5 7a6212aaed7b0851de879a270928417d
SHA1 9c896a347ae1e568e045b1061938f0a56728d1c5
SHA512 6c21ea1cff7dfab081275808a4d3a3e2b081c2bc6a3d58b3b3ddbd714ee5e7091f8edaeb267bc8a887c77ac6de68cdc72dfd5bf1ae16cbe687af450d290adaa9
SSDEEP 768:JRksl4gjbnZa8oeZMUYO4SmiZkXfQ/NGYwT5WPMsJ11Okz5sdauKqFAFoN9Opkn5:JRkq4IrZntb4tGkX4N8C7RTupHNYynoK
MD5 SHA1 SHA512 SSDEEP

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systm.txt

Path C:\Users\Admin\AppData\Local\Temp\systm.txt
Size 44B
SHA256 230539442f6c634c45e17b17baeb9a20e32460f13f430abc484c334025926de5
MD5 1dd43ba56e91654ef01caf1352776b8d
SHA1 507c048cf3cff79355e93d6d84e2cd57d00e1687
SHA512 14939d00a494c13dd895cd3a3428e793ca0fe710ad97b97b5867a3ad8aa46119bf07415a492fa6e2b067aae6b74c5dd0ea00c0b0b5b302a1d1b893ae0ba20886
MD5 SHA1 SHA512

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memory/1624-15-0x00007FFE2A0A0000-0x00007FFE2AB61000-memory.dmp

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memory/1624-18-0x00007FFE2A0A0000-0x00007FFE2AB61000-memory.dmp

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memory/1624-2-0x000001E7258D0000-0x000001E7258F2000-memory.dmp

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memory/1624-14-0x00007FFE2A0A0000-0x00007FFE2AB61000-memory.dmp

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memory/1624-13-0x00007FFE2A0A0000-0x00007FFE2AB61000-memory.dmp

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memory/1624-12-0x00007FFE2A0A0000-0x00007FFE2AB61000-memory.dmp

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memory/1648-35-0x0000000000ED0000-0x00000000014B8000-memory.dmp

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memory/1912-90-0x000000002AA00000-0x000000002AA05000-memory.dmp

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memory/1912-62-0x000000002AA00000-0x000000002AA05000-memory.dmp

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memory/2028-101-0x0000000000400000-0x0000000000454000-memory.dmp

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memory/2192-1-0x0000000000B90000-0x0000000001178000-memory.dmp

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memory/2192-0-0x00007FFE2A0A3000-0x00007FFE2A0A5000-memory.dmp

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memory/2192-34-0x00007FFE2A0A0000-0x00007FFE2AB61000-memory.dmp

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memory/2192-21-0x00007FFE2A0A0000-0x00007FFE2AB61000-memory.dmp

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memory/3712-82-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/3712-104-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/4420-102-0x0000000000400000-0x0000000000541000-memory.dmp

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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