fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95

General

Target

fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe
Size

102KB
MD5

415295e932b67691147dea88710336e9
SHA1

0368e01d03a6e83b89a5f7f293f9874677e0c7bd
SHA256

fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95
SHA512

8fa12c57fbba22cc4c897ea513dc325630754f0befa5a011c9fbf8e6ead09f187a60cfda05a488404f7c542f821079ae772e784f194c9e0707bbf1a54dbe2215
SSDEEP

1536:Pg+wndhm5EGmqldq45LavHBchFYBxQMkuykGdf2KcQL6+9UWCG40cJE9alZFALT7:PImtBdq4LE2wxQlf+XG40c8aqY9ZjQk

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe"	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe"	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4940-132-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/628-134-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/628-136-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/628-137-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/628-138-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/628-140-0x0000000000400000-0x0000000000419000-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\explorer = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe"	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4940 set thread context of 628	4940	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	84

Kills process with taskkill 1 IoCs

evasion

pid	Process
1768	taskkill.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
628	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	taskkill.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
628	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 628	4940	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	84
PID 4940 wrote to memory of 628	4940	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	84
PID 4940 wrote to memory of 628	4940	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	84
PID 4940 wrote to memory of 628	4940	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	84
PID 4940 wrote to memory of 628	4940	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	84
PID 4940 wrote to memory of 628	4940	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	84
PID 4940 wrote to memory of 628	4940	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	84
PID 4940 wrote to memory of 628	4940	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	84
PID 628 wrote to memory of 1768	628	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	85
PID 628 wrote to memory of 1768	628	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	85
PID 628 wrote to memory of 1768	628	fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe	85

C:\Users\Admin\AppData\Local\Temp\fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe
"C:\Users\Admin\AppData\Local\Temp\fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Users\Admin\AppData\Local\Temp\fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe
  "C:\Users\Admin\AppData\Local\Temp\fdbd66b89fe654bff8420104104e492d1bb7286a30b374b7ee5c1816eea17f95.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:628
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /F /IM explorer.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/628-134-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/628-136-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/628-137-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/628-138-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/628-140-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4940-132-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads