1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3

General

Target

1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe
Size

1.6MB
MD5

1a4d79fe50eb94248440018bec1bf719
SHA1

3232c37fd23cfb74138a2bed42c38e80431b23a8
SHA256

1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3
SHA512

2018310ee887ed096e77a751c5f472f51614cc37a7c2324c4adfdbef3c0c34bc3335d64d34d09caf70f47b8b5f9b9eb44abf8a191348aa684cae2621e33686d1
SSDEEP

49152:Yilb849Reaeu/yiSoTwT/cHb5fuevO8OnrFACfGvBO:Yilb84+ujSoTwTUt05fGvo

Score

10^/10

evasion persistence themida trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

reg.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Wine	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1964-54-0x0000000000400000-0x00000000006FF000-memory.dmp	themida
behavioral1/memory/1964-55-0x0000000000400000-0x00000000006FF000-memory.dmp	themida
behavioral1/memory/1964-56-0x0000000000400000-0x00000000006FF000-memory.dmp	themida
behavioral1/memory/1964-57-0x0000000000400000-0x00000000006FF000-memory.dmp	themida

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkjeakshkjjs = "C:\\WINDOWS\\dkjeakshkjjs.exe"	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

pid process

1964 1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

pid	process
1964	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

Drops file in Windows directory 2 IoCs

Processes:

1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

description	ioc	process
File created	C:\WINDOWS\dkjeakshkjjs.exe	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe
File opened for modification	C:\WINDOWS\dkjeakshkjjs.exe	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

1112 reg.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

pid process

1964 1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

pid	process
1112	reg.exe

pid	process
1964	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exeCMD.EXE

description	pid	process	target process
PID 1964 wrote to memory of 1652	1964	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe	CMD.EXE
PID 1964 wrote to memory of 1652	1964	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe	CMD.EXE
PID 1964 wrote to memory of 1652	1964	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe	CMD.EXE
PID 1964 wrote to memory of 1652	1964	1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe	CMD.EXE
PID 1652 wrote to memory of 1112	1652	CMD.EXE	reg.exe
PID 1652 wrote to memory of 1112	1652	CMD.EXE	reg.exe
PID 1652 wrote to memory of 1112	1652	CMD.EXE	reg.exe
PID 1652 wrote to memory of 1112	1652	CMD.EXE	reg.exe

C:\Users\Admin\AppData\Local\Temp\1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe
"C:\Users\Admin\AppData\Local\Temp\1977efd0e8fffb1079e0cf05eb8adb9f7801f874c276945a692e073f03ae0de3.exe"
1⤵
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\SysWOW64\CMD.EXE
CMD.EXE /c REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\reg.exe
REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
3⤵
- UAC bypass
- Modifies registry key
PID:1112

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Modify Registry

3

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1112-59-0x0000000000000000-mapping.dmp

Download
memory/1652-58-0x0000000000000000-mapping.dmp

Download
memory/1964-54-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/1964-55-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/1964-56-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/1964-57-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads