60bc8394bb6191bcfddd2cd4a5e83a32ad6310d2daf73b360258ba456efd575d

Analysis

max time kernel
3s
max time network
132s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 05:31

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General

Target

100beb3f361fab2c438cfba6d91d838c.exe
Size

264KB
MD5

100beb3f361fab2c438cfba6d91d838c
SHA1

91c7c07b680a2bb99ffe06ef51fd31daff94e0b7
SHA256

60bc8394bb6191bcfddd2cd4a5e83a32ad6310d2daf73b360258ba456efd575d
SHA512

c1bb40e7265269f9f75d61bd1965ffec4861819f5703ecc5c7222fc8d42bad38915c27bf35f26f6c80ff4bf3623f5ec7cce69c41fbfcfd2eaa458d2e77be9ebf
SSDEEP

1536:SYXRah9nifQfx2ra1+8R0/+n4omi2DZXx7wDcQsau309hV/BkmpzA3u806jQ:SU1fQfv0Y4JH30x/ZcQ

Score

10^/10

evasion persistence trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 3 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	svchost.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	svchost.exe

Sets file execution options in registry 2 TTPs 64 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\csinsm32.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atro55en.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atupdater.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgctrl.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cmgrdian.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cpd.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\_avpcc.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\alertsvc.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atwatch.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bisp.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cfiaudit.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cwnb181.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\doors.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\drwatson.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\dv95.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\aplica32.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autotrace.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autoupdate.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avpupd.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avxquar.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\claw95.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ackwin32.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ahnsd.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\aupdate.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgcc32.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avptc32.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ackwin32.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ahnsd.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\amon.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgw.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cpf9x206.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avwinnt.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avxw.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccapp.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\defalert.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avrescue.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cdp.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ave32.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avsched32.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\deputy.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\drvins32.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp32.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\csinject.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\csinsm32.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\alogserv.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avkpop.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cfgwiz.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avnt.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avpnt.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cleaner.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\_avp.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bidef.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\drvins32.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\apvxdwin.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bipcpevalsetup.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccpxysvc.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cfiadmin.exe	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\_findviru.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\clean.exe\Debugger = "\"C:\\Users\\Admin\\Admin1\\winlogon.exe\""	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\apimonitor.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccsetmgr.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cleanpc.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\connectionmonitor.exe	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cpfnt206.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2164	winlogon.exe

Loads dropped DLL 2 IoCs

pid	Process
2256	100beb3f361fab2c438cfba6d91d838c.exe
2256	100beb3f361fab2c438cfba6d91d838c.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-20-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2080-19-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2080-23-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2080-17-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2080-57-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
10	whatismyip.org
11	whatismyip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2164 set thread context of 2080	2164	winlogon.exe	29

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeBackupPrivilege	2080	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2256	100beb3f361fab2c438cfba6d91d838c.exe
2164	winlogon.exe
2080	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2164	2256	100beb3f361fab2c438cfba6d91d838c.exe	17
PID 2256 wrote to memory of 2164	2256	100beb3f361fab2c438cfba6d91d838c.exe	17
PID 2256 wrote to memory of 2164	2256	100beb3f361fab2c438cfba6d91d838c.exe	17
PID 2256 wrote to memory of 2164	2256	100beb3f361fab2c438cfba6d91d838c.exe	17
PID 2164 wrote to memory of 2080	2164	winlogon.exe	29
PID 2164 wrote to memory of 2080	2164	winlogon.exe	29
PID 2164 wrote to memory of 2080	2164	winlogon.exe	29
PID 2164 wrote to memory of 2080	2164	winlogon.exe	29
PID 2164 wrote to memory of 2080	2164	winlogon.exe	29
PID 2164 wrote to memory of 2080	2164	winlogon.exe	29
PID 2164 wrote to memory of 2080	2164	winlogon.exe	29
PID 2164 wrote to memory of 2080	2164	winlogon.exe	29
PID 2164 wrote to memory of 2080	2164	winlogon.exe	29

C:\Users\Admin\AppData\Local\Temp\100beb3f361fab2c438cfba6d91d838c.exe
"C:\Users\Admin\AppData\Local\Temp\100beb3f361fab2c438cfba6d91d838c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\Admin1\winlogon.exe
  "C:\Users\Admin\Admin1\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\SysWOW64\svchost.exe
    0
    3⤵
    - UAC bypass
    - Windows security bypass
    - Sets file execution options in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Admin1\winlogon.exe

Filesize
264KB

MD5
100beb3f361fab2c438cfba6d91d838c

SHA1
91c7c07b680a2bb99ffe06ef51fd31daff94e0b7

SHA256
60bc8394bb6191bcfddd2cd4a5e83a32ad6310d2daf73b360258ba456efd575d

SHA512
c1bb40e7265269f9f75d61bd1965ffec4861819f5703ecc5c7222fc8d42bad38915c27bf35f26f6c80ff4bf3623f5ec7cce69c41fbfcfd2eaa458d2e77be9ebf

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
memory/2080-20-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2080-19-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2080-23-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2080-17-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2080-57-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2164-15-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2256-0-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2256-14-0x0000000001DE0000-0x0000000001E23000-memory.dmp

Filesize
268KB

Download
memory/2256-12-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download