e47cf35ebb754112c2edca1645a40e0d7985db3a70c93c453c434bef93d23c73

Resubmissions

01/05/2022, 18:25

220501-w2v7qaadhl 10

01/05/2022, 18:22

220501-wz279adge8 10

Analysis

max time kernel
141s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
01/05/2022, 18:25

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General

Target

decrypt-decrypters/privateKey.xml
Size

1KB
MD5

ef98e844f401ce505f3cfadd50387a2a
SHA1

53152b609e4c2a5904f55ef4862463c9e97b6840
SHA256

8e1978ba42d685cc1fdbfea65f2c6e6bb08d1a82601c6586c5df2984cb764c40
SHA512

c2483aea1caf32e166456c85dd187cca4d5a7503c9a9194b4e5a0eac2b9762b53385c67e3eb29bab03306144479b6250907202980c494840c468713b143aa7a2

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30956953"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3026281306"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3035344864"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DFF30B4C-C98C-11EC-B274-C6557A73C573} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30956953"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000de0a1e983134cf4e883f258c38579ff0000000000200000000001066000000010000200000004577acbb7a3560fcb31487c0e76a5a9ba38d79223646cd597e1441a04f2cbdb4000000000e8000000002000020000000351d90c6cfc864903e55ffeea3159be49c52a6226231880005a2395bb807baa620000000dafb592a78bf917feb68d5f5926c3934216ae8ccce0d2cc84a100194d0fefb4640000000c33591887c68fd7e5580d5c73bc651911290c0ef9b02f3111fd11f16233e43cc9295be2908bf66c6ff5a90e351014349a9bff37247f9aa2cb828ae9ca2947756	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "358201718"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000de0a1e983134cf4e883f258c38579ff00000000002000000000010660000000100002000000077181352f216ec728fac011fc638e3e4b6e5d94ff670c50f63937b0e35aced81000000000e8000000002000020000000194a5fe0d56504b78970999e07ca0e37f183f3fc65ac8099d465ce4caa01109c20000000368f5931d47eaf14483f1e9d1b8bc7185478f0b45d836cafa93512b75ea21cde40000000858644b6971e6094637b9b1c4f7e3f08848936ada3355b2043bcaf1c636e449114f3107929840965c95bd9f142a5842ef4c3cf605fe67ff1753f6823137dcf9b	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 106445b6995dd801	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3026281306"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e09453b6995dd801	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30956953"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4576	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4576	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4576	iexplore.exe
4576	iexplore.exe
3400	IEXPLORE.EXE
3400	IEXPLORE.EXE
3400	IEXPLORE.EXE
3400	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 4576	4292	MSOXMLED.EXE	81
PID 4292 wrote to memory of 4576	4292	MSOXMLED.EXE	81
PID 4576 wrote to memory of 3400	4576	iexplore.exe	83
PID 4576 wrote to memory of 3400	4576	iexplore.exe	83
PID 4576 wrote to memory of 3400	4576	iexplore.exe	83

C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
"C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\decrypt-decrypters\privateKey.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\decrypt-decrypters\privateKey.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4576
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4576 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:3400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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

memory/4292-130-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/4292-131-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/4292-132-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/4292-133-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/4292-134-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/4292-135-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/4292-136-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/4292-137-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/4292-138-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download