16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89

Analysis

max time kernel
150s
max time network
149s
platform
windows10_x64
resource
win10v20201028
submitted
28/02/2021, 07:18

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89.exe
Size 1.5MB
Sample210228-bj92j6lb2n
SHA256 16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89
MD5 35bd0df9a23172b32b95c52483c6e7b1
SHA1 55facca9aab24ecef5fda454abcb13a4d96e04be
SHA512 39da000094c865d4f88ab222f51c15fb1fbdfa7fe16db6f2d543e48bc6938afa2a206a3e9ee9dc8907b21c8fdd0dbc6dade3a814522c3475e91414e67847bb93
MD5 SHA1 SHA512

Score

10^/10

evasion persistence trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "c:\\directory\\CyberGate\\install\\server.exe"	5112.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	5112.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "c:\\directory\\CyberGate\\install\\server.exe"	5112.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	5112.exe

Executes dropped EXE 5 IoCs

pid	Process
2236	5112.exe
3520	5112.exe
1476	server.exe
3668	server.exe
3104	server.exe

Modifies Installed Components in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000100000001ab91-3.dat	upx
behavioral2/files/0x000100000001ab91-4.dat	upx
behavioral2/files/0x000100000001ab91-8.dat	upx
behavioral2/files/0x000100000001ab95-24.dat	upx
behavioral2/files/0x000100000001ab95-23.dat	upx
behavioral2/memory/3520-62-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/files/0x000100000001ab95-65.dat	upx
behavioral2/files/0x000100000001ab95-67.dat	upx

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3520 set thread context of 1476	3520	5112.exe	84

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	WerFault.exe

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

System Information Discovery
T1082

Program crash 5 IoCs

pid	pid_target	Process	procid_target
3340	2236	WerFault.exe	78
1504	1476	WerFault.exe	84
3700	3520	WerFault.exe	81
900	3668	WerFault.exe	88
668	3104	WerFault.exe	89

Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000	5112.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\ConfigFlags	5112.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000	5112.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\ConfigFlags	5112.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2236	5112.exe
2236	5112.exe
3340	WerFault.exe
3700	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
3700	WerFault.exe
3340	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
1504	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe
900	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3520	5112.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeBackupPrivilege	3520	5112.exe
Token: SeRestorePrivilege	3520	5112.exe
Token: SeDebugPrivilege	3520	5112.exe
Token: SeDebugPrivilege	3520	5112.exe
Token: SeRestorePrivilege	1504	WerFault.exe
Token: SeBackupPrivilege	1504	WerFault.exe
Token: SeRestorePrivilege	3340	WerFault.exe
Token: SeBackupPrivilege	3340	WerFault.exe
Token: SeBackupPrivilege	3340	WerFault.exe
Token: SeDebugPrivilege	3700	WerFault.exe
Token: SeDebugPrivilege	3340	WerFault.exe
Token: SeDebugPrivilege	1504	WerFault.exe
Token: SeDebugPrivilege	900	WerFault.exe
Token: SeDebugPrivilege	668	WerFault.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 2236	1212	16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89.exe	78
PID 1212 wrote to memory of 2236	1212	16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89.exe	78
PID 1212 wrote to memory of 2236	1212	16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89.exe	78
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82
PID 2236 wrote to memory of 2204	2236	5112.exe	82

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89.exe

C:\Users\Admin\AppData\Local\Temp\16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89.exe
"C:\Users\Admin\AppData\Local\Temp\16475b2dabce04660e1f6127adf54827b7cf024f4cded92b9be6e07c85ae7a89.exe"
1⤵
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1212
- C:\Users\Admin\AppData\Local\Temp\5112\5112.exe
  "C:\Users\Admin\AppData\Local\Temp\5112\5112.exe"
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Users\Admin\AppData\Local\Temp\5112\5112.exe
    "C:\Users\Admin\AppData\Local\Temp\5112\5112.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Checks SCSI registry key(s)
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:3520
  - - \??\c:\directory\CyberGate\install\server.exe
      4⤵
      Executes dropped EXE
      PID:1476
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 628
        5⤵
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1504
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 1564
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3700
  - - C:\directory\CyberGate\install\server.exe
      "C:\directory\CyberGate\install\server.exe"
      4⤵
      Executes dropped EXE
      PID:3104
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 584
        5⤵
        Program crash
        Suspicious use of AdjustPrivilegeToken
        
        PID:668
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 1164
    3⤵
    - Drops file in Windows directory
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3340
- - C:\directory\CyberGate\install\server.exe
    "C:\directory\CyberGate\install\server.exe"
    3⤵
    - Executes dropped EXE
    PID:3668
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 584
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/668-69-0x0000000004B50000-0x0000000004B51000-memory.dmp

Download

memory/668-70-0x0000000004B50000-0x0000000004B51000-memory.dmp

Download

memory/900-68-0x0000000004540000-0x0000000004541000-memory.dmp

Download

memory/1476-20-0x0000000000400000-0x000000000044D000-memory.dmp

Download

memory/1476-21-0x0000000000400000-0x000000000044D000-memory.dmp

Download

memory/1504-35-0x0000000004680000-0x0000000004681000-memory.dmp

Download

memory/3340-34-0x0000000004540000-0x0000000004541000-memory.dmp

Download

memory/3520-62-0x0000000010480000-0x00000000104E5000-memory.dmp

Download

memory/3520-7-0x0000000000650000-0x0000000000651000-memory.dmp

Download

memory/3520-5-0x00000000001E0000-0x00000000001E1000-memory.dmp

Download

memory/3700-63-0x0000000004540000-0x0000000004541000-memory.dmp

Download