22240b86f52405d2d69523a3c74e5aa576e5251d72cccbf07e91273e4391a324

Resubmissions

08/12/2021, 11:46

211208-nxfx8scgh4 3

08/07/2021, 12:20

210708-lww6e74kma 1

08/07/2021, 07:33

210708-x3v895zhz2 1

Analysis

max time kernel
121s
max time network
120s
platform
windows10_x64
resource
win10-en-20211104
submitted
08/12/2021, 11:46

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Report Analysis Logs

General

Target

RsEncP.exe
Size

195KB
MD5

1e8c10aca8b1af079d130d59585bbe87
SHA1

fffad47c0363a714ad2b1804ec98fd86e1577e88
SHA256

22240b86f52405d2d69523a3c74e5aa576e5251d72cccbf07e91273e4391a324
SHA512

cddd29afc17bca6324aaf422aa197fe2b2343f587aeadd40b3b5e13cddebf94a65bf46ab87ba66288562d899357fbb726df127ce316c2d4e930f8415cee09ef8

Score

3^/10

Malware Config

Signatures

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 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8EEF2F05-58E7-11EC-B34F-F2D496D9C4B6} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1677216688"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30928116"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30928116"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00d7306af4ecd701	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1677216688"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002b5b008aa2024f4581a8e5e30df850c300000000020000000000106600000001000020000000ad2ba5e3127648e9b4416bc1ecae1cc8afd3aa8abb9be781dea66df96fc0562d000000000e8000000002000020000000277eb317b5b4731601c52bf5ee749329316a3dbcdcd95c6d56f1d844704c087e2000000095554a918f9f147fb5e12f09ad9710dfcb8046ee791c443752864521e147a0a040000000922070ca492932acacf1ff08cee9a2592020e9db9058c67caeedc45d994eb914bd99fcb3c32b91b4cfbc46f94c82d344a9587acdbb4d1a6eb090e4d7679a5e0e	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20f0246af4ecd701	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002b5b008aa2024f4581a8e5e30df850c30000000002000000000010660000000100002000000054093ba94247bfd0a3ddbe326d867132e5975fa863acdd71903a4927689426d8000000000e8000000002000020000000cbe0e8690113dd5e2d2f0d9db58a06178d0ef422b3657a411d476b236122cacb200000000df27db9b42ab2cfbec191617921428cbb91efec3344b31f6b4b620a6daed79540000000d226a7fefe1584667301f688b96cbdc6f187efcd152d6f4cac587a30917e0b443da11dea1b02a43a4b8eb40704ad98dd514bbc0e3989a09644ca7619b81bd63a	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3460	RsEncP.exe
3460	RsEncP.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3460	RsEncP.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
508	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
508	iexplore.exe
508	iexplore.exe
2564	IEXPLORE.EXE
2564	IEXPLORE.EXE
2564	IEXPLORE.EXE
2564	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 508	3460	RsEncP.exe	70
PID 3460 wrote to memory of 508	3460	RsEncP.exe	70
PID 508 wrote to memory of 2564	508	iexplore.exe	71
PID 508 wrote to memory of 2564	508	iexplore.exe	71
PID 508 wrote to memory of 2564	508	iexplore.exe	71

C:\Users\Admin\AppData\Local\Temp\RsEncP.exe
"C:\Users\Admin\AppData\Local\Temp\RsEncP.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" https://116.123.119.125:50007//Pages/ResultCollect/Msg_Pop.aspx?strKey=dDcyZkNRSExEVGowSXhvOUM1QXJYamFsQUNYcHdXajExOE9tV0xqczNoST0=&p_encode=dkc3aTlVZTdLWE1MZkJWaHc4aXg0OWF6UWJGTGFYL2J6dmI3bEhVK0Z2QVJnaEtlSmdyTHZhdUJZZTgzWmdjZ1NYY0E1blcxZld6SDQzcGN0clE2UTV2NVEreUhza1pOOVV0cyt2Y2hDU1FOdk9XbkdkS3FSS01LeVdzeERQb3NFNm5uc3BaZ3VhUHZIWjBpTVZtaUpRPT0=&p_ip=175.196.87.251&p_host=175.196.87.251
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:508
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:508 CREDAT:82945 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2564

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/508-147-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-129-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-185-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-181-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-180-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-179-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-178-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-127-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-177-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-145-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-131-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-132-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-133-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-134-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-135-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-136-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-137-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-139-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-140-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-141-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-143-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-176-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-144-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-128-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-148-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-149-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-150-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-175-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-153-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-154-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-156-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-157-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-159-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-161-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-162-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-163-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-167-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-168-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/508-169-0x00007FF9B89A0000-0x00007FF9B8A0B000-memory.dmp

Filesize
428KB

Download
memory/3460-120-0x00000000052C0000-0x00000000052C1000-memory.dmp

Filesize
4KB

Download
memory/3460-118-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/3460-125-0x0000000004CB0000-0x0000000004D42000-memory.dmp

Filesize
584KB

Download
memory/3460-124-0x0000000004CB0000-0x0000000004D42000-memory.dmp

Filesize
584KB

Download
memory/3460-123-0x0000000008DF0000-0x0000000008DF1000-memory.dmp

Filesize
4KB

Download
memory/3460-122-0x0000000004E90000-0x0000000004E91000-memory.dmp

Filesize
4KB

Download
memory/3460-121-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Filesize
4KB

Download