a381e7f85b801667feadd0a06ef8dd25395c652f93529be418d31eda5a0bd82a

Analysis

max time kernel
54s
max time network
57s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/01/2023, 12:45

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General

Target

a381e7f85b801667feadd0a06ef8dd25395c652f93529be418d31eda5a0bd82a.exe
Size

25KB
MD5

cfdfa1f5a42beb1d2ba7f468727d1b7c
SHA1

67cfa47032d8793b5019469c95c1902625ee92c9
SHA256

a381e7f85b801667feadd0a06ef8dd25395c652f93529be418d31eda5a0bd82a
SHA512

f065a6ab48e8c7337d8718d2122358df0d587e2e8e2bb0fc20c7b9b500607b901400489eb15db14e246b4b3379c993e4499834e4fc99cc7870bbc470335cfacf
SSDEEP

384:Hxcn+6LD/DE0rH6lP8Hb8F/7M/kiDi3Mhe3wNzC9l/QHtgxAZCIny5c8:HenzHbrA8QB0i3Mhx9slqUeJy

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
behavioral1/memory/792-55-0x0000000000010000-0x0000000000025000-memory.dmp	upx
behavioral1/memory/792-59-0x0000000000010000-0x0000000000025000-memory.dmp	upx

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 44 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003bad9e5810411a41b405bdc87c3b0eb800000000020000000000106600000001000020000000220f8feef4435308b753a9bb9cf15660a1a001b701a7ba02156872ae840c10d6000000000e800000000200002000000003a486b9dc789a33054918f39ddcf4328318f2dc216a283d3d1ccd8dbe16169420000000296eacf385f73f23942660c058d3c353926b5f71e7d263750a5f1ed74c48d69c400000003000d89916b9ebc95ce89245507d67edaca0442a85d96195d28f602ce936e04dc186677969a7bdb3803ba6f6800aeb3320978fe5b74953514d47af844192f02e	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\adult.oo.lv\NumberOfSubdomains = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "58"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\adult.oo.lv	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "26"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\adult.oo.lv\ = "26"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\adult.oo.lv\Total = "58"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80e9c5c0791fd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\adult.oo.lv\Total = "26"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\adult.oo.lv\ = "58"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E6BD7C21-8B6C-11ED-A1DD-EA20C184BE27} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
588	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
588	iexplore.exe
588	iexplore.exe
804	IEXPLORE.EXE
804	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 1724	792	a381e7f85b801667feadd0a06ef8dd25395c652f93529be418d31eda5a0bd82a.exe	28
PID 792 wrote to memory of 1724	792	a381e7f85b801667feadd0a06ef8dd25395c652f93529be418d31eda5a0bd82a.exe	28
PID 792 wrote to memory of 1724	792	a381e7f85b801667feadd0a06ef8dd25395c652f93529be418d31eda5a0bd82a.exe	28
PID 792 wrote to memory of 1724	792	a381e7f85b801667feadd0a06ef8dd25395c652f93529be418d31eda5a0bd82a.exe	28
PID 588 wrote to memory of 804	588	iexplore.exe	31
PID 588 wrote to memory of 804	588	iexplore.exe	31
PID 588 wrote to memory of 804	588	iexplore.exe	31
PID 588 wrote to memory of 804	588	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\a381e7f85b801667feadd0a06ef8dd25395c652f93529be418d31eda5a0bd82a.exe
"C:\Users\Admin\AppData\Local\Temp\a381e7f85b801667feadd0a06ef8dd25395c652f93529be418d31eda5a0bd82a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\system32\wscript.exe" //B "C:\Users\Admin\AppData\Local\Temp\okNDnlRDed.js" "C:\Users\Admin\AppData\Local\Temp\a381e7f85b801667feadd0a06ef8dd25395c652f93529be418d31eda5a0bd82a.exe"
  2⤵
  PID:1724

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:588
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:588 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:804

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:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
23a6114fa9b440e935feb056cdf27df5

SHA1
467d323d7f1dc36f9c1627bcc0a6e1f251eed698

SHA256
c08083c8b6951e43a75096c573636c302f49f4e5323817a5a0b0c41003f0299f

SHA512
18aeac8cd234a6e3d3b3b2ddaea7f706a45614be653910cea5255f28de93309583d183cbba8db48f1635cd99651fdd65650c64ceb688b0d76ef80cf2aa4069c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\okNDnlRDed.js

Filesize
7KB

MD5
eb3af3c96b0bb8784f72a5364d199cf3

SHA1
8de6954e17b0ea1af2452c18f59da1a95d1e10e2

SHA256
808837e808cdb03f1c5febaf9c4dee2e923f38b07eb86c0e03b7af10ada1cdba

SHA512
481b8650a36bc2f50c4466b5eda1c344e2077ec29612f860de7dec115f6d9363bf7d994e92456ca82023fc2c3124850b91857669811006984293e7dbcc9ba788

Download Submit
memory/792-54-0x00000000763D1000-0x00000000763D3000-memory.dmp

Filesize
8KB

Download
memory/792-55-0x0000000000010000-0x0000000000025000-memory.dmp

Filesize
84KB

Download
memory/792-59-0x0000000000010000-0x0000000000025000-memory.dmp

Filesize
84KB

Download