4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37

Analysis

max time kernel
152s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23/11/2022, 18:13

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General

Target

4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Size

349KB
MD5

349eec488fb1bac558c6df35a8b9f4f6
SHA1

c905d5735a43afbb3ca47e47e7627ed3878f7ce7
SHA256

4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37
SHA512

0dd96ed854a2fd4d4397dd59c9b595a1aca339883052dc8bb8c85b5fd86f25ae4074a26de1e951047119aa390373835daae038f3860b343a3ef7993b6f726b8c
SSDEEP

6144:ye34zV2nu/EJXAF8u1qBhGNy4909VezjiGF+nh9CUZLcb+FL79k:snEJXs1q2N1906jidGUZLcb+Fn9k

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1388	installstat.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cscript.exe

Loads dropped DLL 4 IoCs

pid	Process
4772	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
4772	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
4772	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
1388	installstat.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\EditPlus\kk53.icw	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.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 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90de109381ffd801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10f9699a81ffd801	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2825955982"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000049f4763fc02d64382fdf4549352e02600000000020000000000106600000001000020000000e78f098bacca3a904f4bdded45d212d90abffa42f4b73d47976afb7db0c76a6b000000000e80000000020000200000005fc912dd53993721469c73c90d5a020bf91510d5b57fcb192900c77b42f97e6d2000000083fe7ff8578dc95e2e3ca16389bbddb8e67b34875c67ba9e613fa0874c435284400000000e5921c2007dfdc9d58c28d6b535f44385d40adde56a746bf88d041dbbee14848a8ec55e26a14a3606c3bab4f173d3a20439bf40f24c871e0809440836225625	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000049f4763fc02d64382fdf4549352e02600000000020000000000106600000001000020000000fecc85648f0a3c23094ac39203ddf9b09ae084acd52c3486cf410bbf04698109000000000e80000000020000200000000c6f47d15b86f00d8747475d1c5821f670bb8c42b67aeb2ab56d4c3129859af5200000007b306c16869b49accc4165af29436818fd0023b8469882e1f3370c3ed287001a400000001b059d768cd8377ebd19db3ef91b1a59fe8812919f1f84ca0957a7d23a2dbc21deaf73fcfb387cb734852c4d0c1b9cfe1aa3ee6c8d219884949b50b37bd34787	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376003433"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998401"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2825955982"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998401"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B68AC801-6B74-11ED-89AC-DEF0885D2AEB} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\ScriptEngine\ = "VBScript"	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\ = "´ò¿ª(&O)"	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\Command	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.icw\ = "icwfile"	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\ScriptEngine	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\Command\ = "%SystemRoot%\\SysWow64\\WScript.exe \"%1\" %*"	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	cscript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.icw	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4196	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4196	iexplore.exe
4196	iexplore.exe
3464	IEXPLORE.EXE
3464	IEXPLORE.EXE
3464	IEXPLORE.EXE
3464	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 4744	4772	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe	79
PID 4772 wrote to memory of 4744	4772	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe	79
PID 4772 wrote to memory of 4744	4772	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe	79
PID 4744 wrote to memory of 1924	4744	cscript.exe	81
PID 4744 wrote to memory of 1924	4744	cscript.exe	81
PID 4744 wrote to memory of 1924	4744	cscript.exe	81
PID 4772 wrote to memory of 1388	4772	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe	83
PID 4772 wrote to memory of 1388	4772	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe	83
PID 4772 wrote to memory of 1388	4772	4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe	83
PID 4196 wrote to memory of 3464	4196	iexplore.exe	85
PID 4196 wrote to memory of 3464	4196	iexplore.exe	85
PID 4196 wrote to memory of 3464	4196	iexplore.exe	85

C:\Users\Admin\AppData\Local\Temp\4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe
"C:\Users\Admin\AppData\Local\Temp\4af1f894b3735602812e010e429183034a2450d21f98c8a1d1a34910052ebc37.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\system32\cscript.exe" "C:\Program Files (x86)\EditPlus\kk53.icw"
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4744
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\SysWow64\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\kk53.icw"
    3⤵
    PID:1924
- 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:1388

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:1804

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:4196
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4196 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\EditPlus\kk53.icw

Filesize
132B

MD5
da4c29b9c6ad4d8deeca78f6aa617e89

SHA1
46bbc86b6d7ad996a103679a9faa49a96fac30f5

SHA256
40805eb8f47416f3bc600f54cddb73e1daa82b65c9a8abdf9626010b61e1463f

SHA512
c61e9426f5ec789b371b5cf65de72f33b8e4aa057a29351c6f62c823aec69b23c9ea8397b931de0cfbd7c1f952c1d98bede36d65f5df7ef98a8a591e8fa31431

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx8F74.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx8F74.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx8F74.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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\installstat.exe

Filesize
44KB

MD5
7c30927884213f4fe91bbe90b591b762

SHA1
65693828963f6b6a5cbea4c9e595e06f85490f6f

SHA256
9032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994

SHA512
8aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\kk53.icw

Filesize
843B

MD5
187ee999528a5cd2449f56d525023e5d

SHA1
0fd376a3fed66818dc51ed9b90208a17fd53f240

SHA256
1385d5e7026687516e4cd115146d110c2b0bd456ba349f697cb4d1d740657729

SHA512
956a260f128dea87d20db444bcd168197c3cab15e942fba09994cd039ecde833cad5ce5ab0f1899de9f666bc869f6af30cf3f1e8fe5da0839ddd08a01d6bff82

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

Filesize
80KB

MD5
271d838f235c3d77964909b79e05cc3d

SHA1
e88316549fcbe9c4b4cec8001b63f439884974b9

SHA256
1919f130b200be8591051f325137fe0a976295c73f325853ca8167c7da53717e

SHA512
1a361ad7c4d9fe217a4fe9ae3056c09a2769941a1377cb91c414453c7cc0d54bc729fae3648c3369d619e86a2c2a2143894726fba657821dca482b8bf7a75419

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

Filesize
80KB

MD5
271d838f235c3d77964909b79e05cc3d

SHA1
e88316549fcbe9c4b4cec8001b63f439884974b9

SHA256
1919f130b200be8591051f325137fe0a976295c73f325853ca8167c7da53717e

SHA512
1a361ad7c4d9fe217a4fe9ae3056c09a2769941a1377cb91c414453c7cc0d54bc729fae3648c3369d619e86a2c2a2143894726fba657821dca482b8bf7a75419

Download Submit