e740b975892814f7e3de95064e387a8849a1bf229428dadc012d326da2a7fb57

Analysis

max time kernel
317s
max time network
319s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 09:28

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Reason

Machine shutdown

General

Target
QI.exe
Size 5.9MB
Sample240507-lfkhzsda96
SHA256 e740b975892814f7e3de95064e387a8849a1bf229428dadc012d326da2a7fb57
MD5 789b1ac7b64ef592aaae4f4dfb0db7cc
SHA1 ab0a8b36004947a4e99975f3f48a47378b9d1b34
SHA512 edb28ec8840ede950ed68c10311bc15020d38cd6b346bf4ee716118f79b2cb9ea64d6e8b1e8d98650b8039666a6818c5bba13865b41d53a89b174a8b3bd480f8
SSDEEP 98304:Fsax1rwy8aT8jyE8oLm1wAIwsHST9nfJFijmNk48piH2F4w0FSRiGARGnarLYg29:+raT8uEhUsHST9nbi6NFH2FI8iN8naH+
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

bootkit evasion persistence

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Checks computer location settings 2 TTPs 4 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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	1111.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	QI.exe

Executes dropped EXE 8 IoCs

pid	Process
2012	crazyinvers.exe
5008	crazywarningicons.exe
3252	erroricons.exe
2108	[email protected]
4000	1111.exe
4352	project.exe
3000	pizdec.exe
2484	sys3.exe

Loads dropped DLL 1 IoCs

pid	Process
4352	project.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

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\rescache\_merged\2229298842\2573727926.pri	LogonUI.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
588	timeout.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
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\ColorizationColor = "3288365271"	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\ColorizationAfterglowBalance = "10"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	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
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\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "159"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	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\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2484	sys3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4772	LogonUI.exe
4772	LogonUI.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 3484	3300	QI.exe	83
PID 3300 wrote to memory of 3484	3300	QI.exe	83
PID 3300 wrote to memory of 3484	3300	QI.exe	83
PID 3484 wrote to memory of 2012	3484	cmd.exe	88
PID 3484 wrote to memory of 2012	3484	cmd.exe	88
PID 3484 wrote to memory of 2012	3484	cmd.exe	88
PID 3484 wrote to memory of 5008	3484	cmd.exe	89
PID 3484 wrote to memory of 5008	3484	cmd.exe	89
PID 3484 wrote to memory of 5008	3484	cmd.exe	89
PID 3484 wrote to memory of 3252	3484	cmd.exe	90
PID 3484 wrote to memory of 3252	3484	cmd.exe	90
PID 3484 wrote to memory of 3252	3484	cmd.exe	90
PID 3484 wrote to memory of 2108	3484	cmd.exe	91
PID 3484 wrote to memory of 2108	3484	cmd.exe	91
PID 3484 wrote to memory of 4000	3484	cmd.exe	93
PID 3484 wrote to memory of 4000	3484	cmd.exe	93
PID 3484 wrote to memory of 4000	3484	cmd.exe	93
PID 3484 wrote to memory of 2696	3484	cmd.exe	94
PID 3484 wrote to memory of 2696	3484	cmd.exe	94
PID 3484 wrote to memory of 2696	3484	cmd.exe	94
PID 4000 wrote to memory of 4352	4000	1111.exe	95
PID 4000 wrote to memory of 4352	4000	1111.exe	95
PID 4000 wrote to memory of 4352	4000	1111.exe	95
PID 2696 wrote to memory of 4376	2696	WScript.exe	96
PID 2696 wrote to memory of 4376	2696	WScript.exe	96
PID 2696 wrote to memory of 4376	2696	WScript.exe	96
PID 4376 wrote to memory of 588	4376	cmd.exe	98
PID 4376 wrote to memory of 588	4376	cmd.exe	98
PID 4376 wrote to memory of 588	4376	cmd.exe	98
PID 4376 wrote to memory of 3000	4376	cmd.exe	121
PID 4376 wrote to memory of 3000	4376	cmd.exe	121
PID 4376 wrote to memory of 3000	4376	cmd.exe	121
PID 3000 wrote to memory of 2484	3000	pizdec.exe	122
PID 3000 wrote to memory of 2484	3000	pizdec.exe	122
PID 3000 wrote to memory of 2484	3000	pizdec.exe	122

C:\Users\Admin\AppData\Local\Temp\QI.exe
"C:\Users\Admin\AppData\Local\Temp\QI.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\start2.bat" "
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3484
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\crazyinvers.exe
    crazyinvers.exe
    3⤵
    - Executes dropped EXE
    PID:2012
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\crazywarningicons.exe
    crazywarningicons.exe
    3⤵
    - Executes dropped EXE
    PID:5008
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\erroricons.exe
    erroricons.exe
    3⤵
    - Executes dropped EXE
    PID:3252
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\[email protected]
    [email protected]
    3⤵
    - Executes dropped EXE
    PID:2108
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\1111.exe
    1111.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4000
  - - C:\Users\Admin\AppData\Local\Temp\RarSFX1\project.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX1\project.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:4352
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.vbs"
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:2696
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4376
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 300
        5⤵
        Delays execution with timeout.exe
        
        PID:588
    - - C:\Users\Admin\AppData\Local\Temp\RarSFX0\pizdec.exe
        
        pizdec.exe
        5⤵
        Executes dropped EXE
        Writes to the Master Boot Record (MBR)
        Suspicious use of WriteProcessMemory
        
        PID:3000
      - C:\Users\Admin\AppData\Local\Temp\sys3.exe
        
        C:\Users\Admin\AppData\Local\Temp\\sys3.exe
        6⤵
        Executes dropped EXE
        Writes to the Master Boot Record (MBR)
        Suspicious use of AdjustPrivilegeToken
        
        PID:2484

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa38c3855 /state1:0x41c64e6d
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

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

1111.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\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\RarSFX0\[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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crazyinvers.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\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\RarSFX0\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\RarSFX0\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\RarSFX0\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.bat

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.bat
Size 815B
SHA256 b20daedd6b3f51a84f7ac88e90aeac6a7f334cb8f5bdae138e10911ca47dc222
MD5 f1ab5f5c9b58c3079d3184d263a15104
SHA1 870dfbd1219497389eaf590a16cf9011975113c7
SHA512 f99410afd2298e751c6f37f5db3ada32e675bab87c6f14599bc39d0bad89d399283fa0f820bee41dedd260454d6b3749e7460b940ff66519ec8e1aee27efc15d
MD5 SHA1 SHA512

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start.vbs

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\start.vbs
Size 117B
SHA256 88a4ed5c8caad58c8eda0d4ed6e36c98ce5b7545529da0cf41ffea4015b71206
MD5 8099c67a9631789db03e90d7b7bf0980
SHA1 4fbf9f44825a1184b24a0d957b20a850f3b07c42
SHA512 c2ce0931eed4925e9b808250aa1335e234470571f4e2c95ffc16af972656fb0c3c8b383327d38ec7d1a5d6290e5c6800715b14c0cb93f8ec2092f8e9c3a26043
MD5 SHA1 SHA512

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start2.bat

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\start2.bat
Size 163B
SHA256 9b621f3f99c45ffe166a2389f3285110c4c2a189dd1ce95145778bc97c6464c1
MD5 71bdd5f2a82ddb4537898c420327c080
SHA1 a6a67d3b0b8eb6a23f1da06e264c57ead3f3c579
SHA512 76f522afdf779e36bf385f4ebf3ff0567f9675d1e3fa7b5648380e0e48dbdc0ffe2005642831e58910c242715aeec85a1b0c7ab43470d145a64913d7fe3711e2
MD5 SHA1 SHA512

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php5ts.dll

Path C:\Users\Admin\AppData\Local\Temp\RarSFX1\php5ts.dll
Size 6.5MB
SHA256 9b2c8b8c4cec301c4303f58ca4e8b261d516f10feb24573b092dfccc263baea4
MD5 c9aff68f6673fae7580527e8c76805b6
SHA1 bb62cc1db82cfe07a8c08a36446569dfc9c76d10
SHA512 c7836f46e535046562046fdd8d3264cd712a78c0f41eab152c88ea91b17d34f000e2387ded7e9e7b3410332354aabf8ca7d37729eb68e46ab5ce58936e63ac56
SSDEEP 98304:NIj1qYT5UnbVloeFVRFHFq0N8WaumOQp0BAUZLtYX:KEPLPFHFZNKumOQp0VRE
MD5 SHA1 SHA512 SSDEEP

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project.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX1\project.exe
Size 3.4MB
SHA256 9b9f847720789d72858a6f25447ca0da4a1918cc2c1bc1e2f15ab462bb9c61e5
MD5 fdad1b564558765657cb835752b47e7c
SHA1 3c94e9acc969b66aab45eb8a60a77b27691950b2
SHA512 d04e560bd589b8c2b5f49753fa5d32d55c6978b53320639b65f4ee285154d0a216ff0765260407407e6cc6adc9b1d775c96b6a2dcdd7da1cea8a5fd175afd76e
SSDEEP 98304:9POCQQdrQSsHgFEM7xNam9ae+kG+AJJZGe:9PDxQSVn7Lamx+kvA7ZGe
MD5 SHA1 SHA512 SSDEEP

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systm.txt

Path C:\Users\Admin\AppData\Local\Temp\systm.txt
Size 52B
SHA256 82af09d3c68b25a393879906b7197f4dbe30c3dbe1b9b2817eefddea6d96cb03
MD5 d94e00dfb41542029aaf53f329f33c7d
SHA1 010eac3cd5e1d2312930091c6c804f4c5ad58dde
SHA512 dec4743ce68538395b4915e8fd3f932a02ee08d82ac899b278ea91c44e747076353a81a48de04ff4e4513d2b7e3764c564240319e4975dd00920f78189582639
MD5 SHA1 SHA512

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memory/2012-64-0x0000000000400000-0x0000000000582000-memory.dmp

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memory/2108-72-0x0000000001420000-0x0000000001430000-memory.dmp

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memory/2108-56-0x000000001C4C0000-0x000000001C55C000-memory.dmp

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memory/2108-44-0x000000001B8F0000-0x000000001B996000-memory.dmp

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memory/2108-53-0x000000001BEF0000-0x000000001C3BE000-memory.dmp

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memory/2108-61-0x000000001B9B0000-0x000000001B9B8000-memory.dmp

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memory/2108-38-0x0000000001420000-0x0000000001430000-memory.dmp

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memory/2108-63-0x000000001C620000-0x000000001C66C000-memory.dmp

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memory/2484-194-0x000000002AA00000-0x000000002AA05000-memory.dmp

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memory/3000-191-0x000000002AA00000-0x000000002AA05000-memory.dmp

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memory/3252-66-0x0000000000400000-0x0000000000454000-memory.dmp

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memory/4352-67-0x0000000000400000-0x0000000000653000-memory.dmp

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memory/5008-65-0x0000000000400000-0x0000000000541000-memory.dmp

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads