0183d2dc56b5ad19ba16d6329c3a665acb98945e71c9906f7f83eb2d3708e74d

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2023 02:33

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General

Target

778662ed2094ffa8999b39e6cd6c65b810649b95.exe
Size

413KB
MD5

d93eabcdc3a01f14c48ec76a45c3832c
SHA1

778662ed2094ffa8999b39e6cd6c65b810649b95
SHA256

0183d2dc56b5ad19ba16d6329c3a665acb98945e71c9906f7f83eb2d3708e74d
SHA512

8a7a7a5eb27b1a50c77a8f05d4eb323fd044ef1fac4203b39898a3bee2a01fc2cc2f715c47902e4ab61e821129672265a0c7d9b9764660030aed4b812425eb94
SSDEEP

6144:w7/7Wn2iBqScSkltGne4D64jdMcmR5HYfEsq4DKxZtmCmUbLZOTvoU:w7TykFILjdbmR54csq4DK/tOTwU

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\ProgramData\\dB13201GnJiC13201\\dB13201GnJiC13201.exe"	778662ed2094ffa8999b39e6cd6c65b810649b95.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	dB13201GnJiC13201.exe

Executes dropped EXE 1 IoCs

pid	Process
4588	dB13201GnJiC13201.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3464-133-0x0000000000400000-0x00000000004D2000-memory.dmp	upx
behavioral2/memory/3464-134-0x0000000000400000-0x00000000004D2000-memory.dmp	upx
behavioral2/memory/3464-138-0x0000000000400000-0x00000000004D2000-memory.dmp	upx
behavioral2/memory/4588-139-0x0000000000400000-0x00000000004D2000-memory.dmp	upx
behavioral2/memory/4588-140-0x0000000000400000-0x00000000004D2000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dB13201GnJiC13201 = "C:\\ProgramData\\dB13201GnJiC13201\\dB13201GnJiC13201.exe"	dB13201GnJiC13201.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1788	3464	WerFault.exe	80
5080	4588	WerFault.exe	90

Modifies data under HKEY_USERS 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs\officeclicktorun	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\officeclicktorun\Overrides	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\all\Overrides	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\officeclicktorun	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\FirstSession\officeclicktorun	OfficeClickToRun.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages\en-US = "1"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\Overrides	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs\officeclicktorun\ConfigContextData	OfficeClickToRun.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages\en-US = "2"	OfficeClickToRun.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe
Token: SeDebugPrivilege	4588	dB13201GnJiC13201.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
4644	sihost.exe
3524	sihost.exe
736	sihost.exe
1884	sihost.exe
4588	dB13201GnJiC13201.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4588	dB13201GnJiC13201.exe
4588	dB13201GnJiC13201.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3464 wrote to memory of 4588	3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe	90
PID 3464 wrote to memory of 4588	3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe	90
PID 3464 wrote to memory of 4588	3464	778662ed2094ffa8999b39e6cd6c65b810649b95.exe	90

C:\Users\Admin\AppData\Local\Temp\778662ed2094ffa8999b39e6cd6c65b810649b95.exe
"C:\Users\Admin\AppData\Local\Temp\778662ed2094ffa8999b39e6cd6c65b810649b95.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 852
  2⤵
  - Program crash
  PID:1788
- C:\ProgramData\dB13201GnJiC13201\dB13201GnJiC13201.exe
  "C:\ProgramData\dB13201GnJiC13201\dB13201GnJiC13201.exe" "C:\Users\Admin\AppData\Local\Temp\778662ed2094ffa8999b39e6cd6c65b810649b95.exe"
  2⤵
  - Modifies security service
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:4588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 852
    3⤵
    - Program crash
    PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3464 -ip 3464
1⤵
PID:2512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4588 -ip 4588
1⤵
PID:5064

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
- Modifies data under HKEY_USERS
PID:2876

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
PID:4644

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
PID:3524

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
PID:736

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
- Suspicious use of FindShellTrayWindow
PID:1884

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3744

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:4396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\dB13201GnJiC13201\dB13201GnJiC13201.exe

Filesize
413KB

MD5
089fd03dce30655738f4064a74c23f17

SHA1
7dccf03c88395523e60a1861d73d6cba04ea0fcd

SHA256
52b4e7afb062a10d1464b53deed56893161f0c366ab128f1636c8aa631d63c8e

SHA512
f67d3545756429052d79af25ec1f498f9527ef7117baf516a276539196999ce62b2c5da74095dd0cdbad5d077825b9ff973114882929775fbbc68061f77a8c70

Download Submit
C:\ProgramData\dB13201GnJiC13201\dB13201GnJiC13201.exe

Filesize
413KB

MD5
089fd03dce30655738f4064a74c23f17

SHA1
7dccf03c88395523e60a1861d73d6cba04ea0fcd

SHA256
52b4e7afb062a10d1464b53deed56893161f0c366ab128f1636c8aa631d63c8e

SHA512
f67d3545756429052d79af25ec1f498f9527ef7117baf516a276539196999ce62b2c5da74095dd0cdbad5d077825b9ff973114882929775fbbc68061f77a8c70

Download Submit
memory/3464-132-0x0000000000740000-0x0000000000743000-memory.dmp

Filesize
12KB

Download
memory/3464-133-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/3464-134-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/3464-138-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/4588-135-0x0000000000000000-mapping.dmp

Download
memory/4588-139-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/4588-140-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download