91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac

General

Target

91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe
Size

861KB
MD5

68636da56c83715de2290164bcf756b0
SHA1

5db1c14809b1573a7ee7625db8e8cb23c02f8983
SHA256

91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac
SHA512

a006f38b32e7ad671264f4317c2f7293a78826cce5a937b893dc1466af8be3ae67032a7b89ce144768c1a5a32abe355a5fb7b2f9a96b42f3fcdb3387a121f098
SSDEEP

24576:MRmJkcoQricOIQxiZY1iaC3bqaR5/cT0hO:ZJZoQrbTFZY1iaCNQ

Score

5^/10

Malware Config

Signatures

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/524-132-0x0000000000400000-0x00000000004C8000-memory.dmp	autoit_exe
behavioral2/memory/524-137-0x0000000000400000-0x00000000004C8000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 524 set thread context of 2688	524	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	82

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30988057"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{18DA614C-430D-11ED-B696-5EAE84113378} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4137682955"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4137682955"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30988057"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371560898"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2688	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe
2688	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe
2688	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4924	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe
Token: SeDebugPrivilege	2688	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe
Token: SeDebugPrivilege	2708	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4924	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4924	IEXPLORE.EXE
4924	IEXPLORE.EXE
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 2688	524	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	82
PID 524 wrote to memory of 2688	524	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	82
PID 524 wrote to memory of 2688	524	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	82
PID 524 wrote to memory of 2688	524	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	82
PID 524 wrote to memory of 2688	524	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	82
PID 524 wrote to memory of 2688	524	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	82
PID 524 wrote to memory of 2688	524	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	82
PID 524 wrote to memory of 2688	524	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	82
PID 524 wrote to memory of 2688	524	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	82
PID 2688 wrote to memory of 4896	2688	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	83
PID 2688 wrote to memory of 4896	2688	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	83
PID 2688 wrote to memory of 4896	2688	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	83
PID 4896 wrote to memory of 4924	4896	iexplore.exe	84
PID 4896 wrote to memory of 4924	4896	iexplore.exe	84
PID 4924 wrote to memory of 2708	4924	IEXPLORE.EXE	85
PID 4924 wrote to memory of 2708	4924	IEXPLORE.EXE	85
PID 4924 wrote to memory of 2708	4924	IEXPLORE.EXE	85
PID 2688 wrote to memory of 2708	2688	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	85
PID 2688 wrote to memory of 2708	2688	91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe	85

C:\Users\Admin\AppData\Local\Temp\91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe
"C:\Users\Admin\AppData\Local\Temp\91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:524
- C:\Users\Admin\AppData\Local\Temp\91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe
  "C:\Users\Admin\AppData\Local\Temp\91c414d0f1a677d6d3bd7d890300720a57404a0c943ed99562f93ae7ac9098ac.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4896
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4924
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4924 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:2708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/524-132-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/524-137-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2688-134-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2688-136-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2688-138-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2688-140-0x0000000000A20000-0x0000000000A6E000-memory.dmp

Filesize
312KB

Download
memory/2688-139-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing