d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97

Reason

Machine shutdown

General

Target
d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Size 450KB
Sample260820-mbyeqaxycx
SHA256 d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97
MD5 1bed8b0af3d6e1a9a39b06cf12897496
SHA1 0ef4f5688d492fe98711ad243108e18099867a3b
SHA512 286017c2b53a16c032a3b618cab4571a54048471fc35cfe2aa6077d04ccbff0cc49c0c3d38364d20b433bfd02ee855329f4a8b111647a5d6a0253ed6954423cd
SSDEEP 12288:zNVSegthIqepdMviQzePlMTzrQMOHOXnjI0cEcWRW:pVP4iQzePuruuXj/cIW
TLSH
T116A423530229AF31C0570472070932E592AFA740AAF94C7AD157DEEF5DFB5D59B8F402
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery execution upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3284-0-0x0000000000400000-0x00000000004ED000-memory.dmp	upx
behavioral1/memory/2140-3-0x0000000000400000-0x00000000004ED000-memory.dmp	upx
behavioral1/memory/3284-10-0x0000000000400000-0x00000000004ED000-memory.dmp	upx

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2052	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	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
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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	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\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "35"	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
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\ColorizationColorBalance = "89"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeBackupPrivilege	3284	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: SeRestorePrivilege	3284	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: 33	3284	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: SeIncBasePriorityPrivilege	3284	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: 33	3284	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: SeIncBasePriorityPrivilege	3284	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: SeBackupPrivilege	2140	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: SeRestorePrivilege	2140	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: 33	2140	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: SeIncBasePriorityPrivilege	2140	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: 33	3284	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: SeIncBasePriorityPrivilege	3284	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
Token: SeShutdownPrivilege	3260	shutdown.exe
Token: SeRemoteShutdownPrivilege	3260	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2044	LogonUI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 2140	3284	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe	86
PID 3284 wrote to memory of 2052	3284	d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe	87
PID 2052 wrote to memory of 3260	2052	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
"C:\Users\Admin\AppData\Local\Temp\d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Users\Admin\AppData\Local\Temp\d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe
  PECMD**pecmd-cmd* PUTF "C:\Users\Admin\AppData\Local\Temp\~~6700963803245510334.tmp.BAT",,"C:\Users\Admin\AppData\Local\Temp\d2d09f342231d8d6cc1ff5b8b4ec2b16d87ebc1c378ae2a70f6efe0e2cebfc97.exe""#102|SCRIPT"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2140
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\~~6700963803245510334.tmp.BAT" "
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\system32\shutdown.exe
    shutdown /s /t 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3260

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39b9855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2044

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

~~6700963803245510334.tmp.BAT

Path C:\Users\Admin\AppData\Local\Temp\~~6700963803245510334.tmp.BAT
Size 73B
SHA256 a37ec4532bc818335a33ae97c206dc1b3b90f80d4eea41454b1e555b6440bd9d
MD5 02f135aa67bf2830eabf0e2e7a9ac320
SHA1 ec9d65cdbc893bebcc26f97e10c68b925a5da218
SHA512 422faea23f535af7975822a7a4a0a6cf51605852e224850d2a312817ee4a336fbb996f510662b4b670d18184b9edb1ec3263e4ad80cd361cb5bfc4c5f10a8bd1
TLSH
T101A0241305574F3C000410F347F3010C40D0040C1D4437D0C354C40C3170D0D554317C
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2140-3-0x0000000000400000-0x00000000004ED000-memory.dmp

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memory/3284-0-0x0000000000400000-0x00000000004ED000-memory.dmp

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memory/3284-10-0x0000000000400000-0x00000000004ED000-memory.dmp

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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