2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382

Reason

Machine shutdown

General

Target

2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe
Size

148KB
MD5

83fcadb0dc8af139f010971553a6cdef
SHA1

2ef6a28a7a70e838c02b47b464a7b3163531fd54
SHA256

2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382
SHA512

040237968f4569015dec00283c7888a8b2418edf6122af05e2c30e2101d2c9794093101245b3f88323d01a8f2e00c34b2f42e001aa3c2c537d6a2ce95af5b1b5
SSDEEP

1536:OmjhDD3sPoudLwH/hUmxhyL1D+IDzcRGqycL35idbjusnnnFnp0rLwuYr3EiIRmW:5N0LwH/hUmnWV+IncRtLJitawucIR7

Score

8^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4792	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.~01

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4896-133-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/4896-141-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/4896-142-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
4896	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe
4792	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.~01

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SYSLIB32.DLL	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe
File created	C:\Windows\SysWOW64\WINHHTRP.CQD	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	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\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\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\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\ColorizationColorBalance = "89"	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\DWM\EnableWindowColorization = "169"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4792	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.~01

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4896	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe
4896	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe
4792	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.~01
1784	LogonUI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 4792	4896	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe	81
PID 4896 wrote to memory of 4792	4896	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe	81
PID 4896 wrote to memory of 4792	4896	2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe	81

C:\Users\Admin\AppData\Local\Temp\2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe
"C:\Users\Admin\AppData\Local\Temp\2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Users\Admin\AppData\Local\Temp\2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.~01
  C:\Users\Admin\AppData\Local\Temp\2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.~01
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4792

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39f2055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.~01

Filesize
116KB

MD5
04e4489c737a2ae90b0b351ed633e7a3

SHA1
528385ee31410cb0225fe0bb916f230467e5cd0c

SHA256
c2bfc2e45a5e4d5d66b0eb3c57bd1b8ebec6363774fcfa8f3d853bc27b5e0f61

SHA512
79adb22a2447033656bd0fc532a321db24b54dc70d83bf73f6ea8b583cfac5f26ed7a0d70d27562d02b1d8adb3cf628cc918c36abff31ecbaf070b9feeb98b86

Download Submit
C:\Users\Admin\AppData\Local\Temp\2fb278066eb027263f68230024e35a6c2c5d6aaa15971bbdc860a3c97cb76382.~01

Filesize
116KB

MD5
04e4489c737a2ae90b0b351ed633e7a3

SHA1
528385ee31410cb0225fe0bb916f230467e5cd0c

SHA256
c2bfc2e45a5e4d5d66b0eb3c57bd1b8ebec6363774fcfa8f3d853bc27b5e0f61

SHA512
79adb22a2447033656bd0fc532a321db24b54dc70d83bf73f6ea8b583cfac5f26ed7a0d70d27562d02b1d8adb3cf628cc918c36abff31ecbaf070b9feeb98b86

Download Submit
C:\Windows\SysWOW64\SYSLIB32.DLL

Filesize
4KB

MD5
f14bd85eeba2b828a655fe62931035e5

SHA1
c6f962ab17705248f1c54675f3f02ee162d5a2b9

SHA256
78350b4add47b0ffa7ad91912fd3937afe19671b08df79463abcbedb12e470db

SHA512
9a825d7976e42259f7396e9bc174ae76a12e3464b7ea452270105a5510f97388c757c70d973fc94eefb715862e3b6c99edbd86b6ca936cd6670c7f3b7ea6fde2

Download Submit
C:\Windows\SysWOW64\SYSLIB32.DLL

Filesize
4KB

MD5
f14bd85eeba2b828a655fe62931035e5

SHA1
c6f962ab17705248f1c54675f3f02ee162d5a2b9

SHA256
78350b4add47b0ffa7ad91912fd3937afe19671b08df79463abcbedb12e470db

SHA512
9a825d7976e42259f7396e9bc174ae76a12e3464b7ea452270105a5510f97388c757c70d973fc94eefb715862e3b6c99edbd86b6ca936cd6670c7f3b7ea6fde2

Download Submit
C:\Windows\SysWOW64\SYSLIB32.DLL

Filesize
4KB

MD5
f14bd85eeba2b828a655fe62931035e5

SHA1
c6f962ab17705248f1c54675f3f02ee162d5a2b9

SHA256
78350b4add47b0ffa7ad91912fd3937afe19671b08df79463abcbedb12e470db

SHA512
9a825d7976e42259f7396e9bc174ae76a12e3464b7ea452270105a5510f97388c757c70d973fc94eefb715862e3b6c99edbd86b6ca936cd6670c7f3b7ea6fde2

Download Submit
memory/4792-132-0x0000000000000000-mapping.dmp

Download
memory/4792-140-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/4896-133-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4896-137-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/4896-141-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4896-142-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

Errors