455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 02:35

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General

Target

455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe
Size

32KB
MD5

c376841de6d573844e3fe7b93d4318fc
SHA1

043cd4cf5b77ea1310c8962dcbb56c2bbba6195e
SHA256

455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315
SHA512

dcc91d7dc187fdae3b1a3783c7cd7c2703f45544729a3c0ccded676f356cfc4b2801559fdec9a5964f6ef92181071829d7a261ca8875f69e73d2318aeda7d97b
SSDEEP

768:js7c0fkrymo2Qa+t06BsVdQEgtFdUpOEMDx/KI:AkdHS0RVdFg7UTMDgI

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3684-132-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/3684-139-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3684 set thread context of 4212	3684	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe	83

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 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 500065bbd9cbd801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d790600000000020000000000106600000001000020000000cff4da27509cdfc70cdf442f224d5c6421365631a1d536232cb71b148fc4a262000000000e80000000020000200000003265eec979872c309990a530fc62be9a76660bceba75cfa371fca0d42a631f48200000004b8e0f78a51e5f2e5195d3a027b8b0c406599c6f4c94fe9c34e690ca4450edbe400000005195174b4e815495a7f31e1d67af21ec12e29a7f11dc2e48a9afcb525081e43aec410051acce94f66a0fb83e203a0f6bde53b91d0c114e0f2687b6a6280678a5	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 305873bbd9cbd801	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "370323843"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3116462949"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30985177"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3130838422"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30985177"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3116462949"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30985177"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d790600000000020000000000106600000001000020000000d7b0670ada3530692fb0cc54755b538baf6c06122c059c3abb253894b28ecdc2000000000e80000000020000200000006a61ba078302d63163f0a157722d69e6b389a156aa1170bf0aa1b407b9ce74f220000000cd6e01d3f34eff00087d5f1d756976ae33b49207b748300bd5f00994b9bca11040000000efe5510e179d394a7bfc76b3ad949b1e8254a19f478ad890a30ddab433d80df92563948107a71e0f4bd094c05f6b51d506b91254d02183b3d7bdcc1678def436	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E547371F-37CC-11ED-A0EE-5286B00C3051} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4212	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe
4212	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4520	iexplore.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3684	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe
4520	iexplore.exe
4520	iexplore.exe
1940	IEXPLORE.EXE
1940	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3684 wrote to memory of 4212	3684	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe	83
PID 3684 wrote to memory of 4212	3684	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe	83
PID 3684 wrote to memory of 4212	3684	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe	83
PID 3684 wrote to memory of 4212	3684	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe	83
PID 3684 wrote to memory of 4212	3684	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe	83
PID 3684 wrote to memory of 4212	3684	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe	83
PID 3684 wrote to memory of 4212	3684	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe	83
PID 3684 wrote to memory of 4212	3684	455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe	83
PID 4520 wrote to memory of 1940	4520	iexplore.exe	86
PID 4520 wrote to memory of 1940	4520	iexplore.exe	86
PID 4520 wrote to memory of 1940	4520	iexplore.exe	86

C:\Users\Admin\AppData\Local\Temp\455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe
"C:\Users\Admin\AppData\Local\Temp\455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3684
- C:\Users\Admin\AppData\Local\Temp\455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe
  C:\Users\Admin\AppData\Local\Temp\455b389f12da6b761cd9389fdfd53c0de8ceebb961f0cc8569bb8fb6d5338315.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4212

C:\Program Files (x86)\Internet Explorer\ielowutil.exe
"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
1⤵
PID:4704

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4520
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4520 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/3684-132-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3684-139-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4212-136-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4212-138-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4212-140-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/4212-143-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download