55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5

Analysis

max time kernel
119s
max time network
139s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19-09-2022 00:59

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General

Target

55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Size

95KB
MD5

16071c37dbf1f60aec45dcc15743f6e3
SHA1

8b721e24288ad0a788dd2c683f1e57dc67ea1bed
SHA256

55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5
SHA512

25da3566fac8ed030b8e882c22afb01bdc3cd6e8d29c0d17b9387efddf0f81d0d2bb06963136816cbac609e94f625c712cbad6caad6707583368b252b91c3de6
SSDEEP

1536:EpgpHzb9dZVX9fHMvG0D3XJ3B/f2gUBglcADKd56zAmxFGlbJUcFJVKM5aUrr:ygXdZt9P6D3XJ3JOgkjADKd5H+FkFJnD

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1912	installstat.exe

Loads dropped DLL 4 IoCs

pid	Process
2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
1912	installstat.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\EditPlus\kk31.icw	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe

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 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0c5c690d8cbd801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B15C2C11-37CB-11ED-A064-6A6CB2F85B9F} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e0f3d159765a7f43b6bf060b4b70c9a300000000020000000000106600000001000020000000ea9f4f07932142f2bd954cf5eae73c46cde55cb43df7acb026f12c4191f60619000000000e800000000200002000000094831817c2b734b0847059d1757e63bda0d07f9a1c26ea7bce042d66520149f920000000d9700bd0c5943b654fe3c89c58f32ccd1254ebd9aa047e07b0222708b4721db640000000512819988d97f17b2c0d7d378cf2793e95b74d9c2aab06814059b2142b228187f6302b8eb9b8911d0c13a18e86c23f8c278862d84ba7852419c67aa206badaae	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "370323328"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\ScriptEngine	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\Command\ = "%SystemRoot%\\SysWow64\\WScript.exe \"%1\" %*"	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.icw	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.icw\ = "icwfile"	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\ScriptEngine\ = "VBScript"	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\ = "´ò¿ª(&O)"	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\Command	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
Token: SeBackupPrivilege	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
944	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
944	iexplore.exe
944	iexplore.exe
928	IEXPLORE.EXE
928	IEXPLORE.EXE
928	IEXPLORE.EXE
928	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1620	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	28
PID 2000 wrote to memory of 1620	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	28
PID 2000 wrote to memory of 1620	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	28
PID 2000 wrote to memory of 1620	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	28
PID 2000 wrote to memory of 1620	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	28
PID 2000 wrote to memory of 1620	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	28
PID 2000 wrote to memory of 1620	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	28
PID 1620 wrote to memory of 1764	1620	cscript.exe	30
PID 1620 wrote to memory of 1764	1620	cscript.exe	30
PID 1620 wrote to memory of 1764	1620	cscript.exe	30
PID 1620 wrote to memory of 1764	1620	cscript.exe	30
PID 1620 wrote to memory of 1764	1620	cscript.exe	30
PID 1620 wrote to memory of 1764	1620	cscript.exe	30
PID 1620 wrote to memory of 1764	1620	cscript.exe	30
PID 2000 wrote to memory of 1912	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	33
PID 2000 wrote to memory of 1912	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	33
PID 2000 wrote to memory of 1912	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	33
PID 2000 wrote to memory of 1912	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	33
PID 2000 wrote to memory of 1912	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	33
PID 2000 wrote to memory of 1912	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	33
PID 2000 wrote to memory of 1912	2000	55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe	33
PID 944 wrote to memory of 928	944	iexplore.exe	34
PID 944 wrote to memory of 928	944	iexplore.exe	34
PID 944 wrote to memory of 928	944	iexplore.exe	34
PID 944 wrote to memory of 928	944	iexplore.exe	34
PID 944 wrote to memory of 928	944	iexplore.exe	34
PID 944 wrote to memory of 928	944	iexplore.exe	34
PID 944 wrote to memory of 928	944	iexplore.exe	34

C:\Users\Admin\AppData\Local\Temp\55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe
"C:\Users\Admin\AppData\Local\Temp\55d785129f3dfd02438a2cffa5625575484146af3c290e4939218185596c13b5.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\system32\cscript.exe" "C:\Program Files (x86)\EditPlus\kk31.icw"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1620
- - C:\Windows\SysWow64\WScript.exe
    "C:\Windows\SysWow64\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\kk31.icw"
    3⤵
    PID:1764
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1912

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:944
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:944 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:928

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

C:\Program Files (x86)\EditPlus\kk31.icw

Filesize
132B

MD5
680d4f1a3232585e2e7fb3a52813f84d

SHA1
7f4dd536a6cb2ffbb738d7ee49dffe28f030af24

SHA256
d1be6c7a3743f1bab0a67fb89da988e4357fa32478ea6cb75dd9ab8261f1801a

SHA512
888eedc4907fe636361cfcd498205bb04e8af728a5f096d333460ba8939e61afcddfc3b16e51a32373e5120b42d1fe4495a281d64700fb71c8e8075e86917e98

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\5R5ACNUP.txt

Filesize
608B

MD5
1948d88353abc9f03d56af149dd99a17

SHA1
e9a4ec41e7e8f1e8ef6cbc4507b86b82840b464c

SHA256
a208d5f7ca1e8ba990f5af7b6b25d7e9551df5bc725300dd902c695c5df5fe96

SHA512
1e3ceba29e4536c2fa4e732d6572f5db919d09f71a1f6f1bfbf3e8e7b5c50c84748e614a77227c733f9804c75d57c225ef9870c31442b289d061bb63bf9c8cd7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exe

Filesize
44KB

MD5
7c30927884213f4fe91bbe90b591b762

SHA1
65693828963f6b6a5cbea4c9e595e06f85490f6f

SHA256
9032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994

SHA512
8aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\kk31.icw

Filesize
742B

MD5
f735c2d1e7c8f24a86e48b9e45a61b24

SHA1
42c53fcd79b4078b8742e9b29e88d87f8384830f

SHA256
97a2e076424949b5bb26e4818548be6507f78ba4d3ede5dbfb42f61b6973a979

SHA512
495abc7d36400651d4c004bf521a1715880f64ac892e3206fb8100eddf15167d711a5a6b29e66a3ec013c4f6f95fbb13ca25889615c66fee4a07f03ef31cdb28

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\statistics.dll

Filesize
80KB

MD5
d2a43490acc2c80d87139db0dedb537e

SHA1
8f36e5865a03511b04961692af6053ce4365db96

SHA256
b9e841ae979cff45a71df03cdc18a7908cc36a79d2aa72896714248be818644d

SHA512
d8b3382755848e0b53b785054effd034546eb5919b4c1f248de484a56342ebe5d62a2ff3f4629e72361e32bad0cee179d5eaedaf9508e106ef74740413197a34

Download Submit
\Users\Admin\AppData\Local\Temp\nsyED0F.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nsyED0F.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exe

Filesize
44KB

MD5
7c30927884213f4fe91bbe90b591b762

SHA1
65693828963f6b6a5cbea4c9e595e06f85490f6f

SHA256
9032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994

SHA512
8aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\statistics.dll

Filesize
80KB

MD5
d2a43490acc2c80d87139db0dedb537e

SHA1
8f36e5865a03511b04961692af6053ce4365db96

SHA256
b9e841ae979cff45a71df03cdc18a7908cc36a79d2aa72896714248be818644d

SHA512
d8b3382755848e0b53b785054effd034546eb5919b4c1f248de484a56342ebe5d62a2ff3f4629e72361e32bad0cee179d5eaedaf9508e106ef74740413197a34

Download Submit
memory/1620-57-0x0000000000000000-mapping.dmp

Download
memory/1764-60-0x0000000000000000-mapping.dmp

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memory/1912-64-0x0000000000000000-mapping.dmp

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memory/2000-54-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

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