d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9

Analysis

max time kernel
98s
max time network
147s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 14:52

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General

Target

d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9.exe
Size

91KB
MD5

ad9cb78d956e19aa435da393b082f792
SHA1

f34af8c9befa8a7bf6d29b6c7a20f7b421c799f4
SHA256

d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9
SHA512

29e20edc05913be0f6a14f437eb121a6fe457a16fb8d00f14cbf9b00539e479c2e69b8b440c9021e6cdc491c6aa643a133f42175b73788363ec2152f75efaa35
SSDEEP

1536:rwbpmZEguoM0NzVXAG+7Dj3DDqL1HHTWS6px6HH84:0bpmZEzYVXAb3iTWjxSH84

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 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376404389"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d01cbc1f2703d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{45918171-6F1A-11ED-B2F2-7E6ADD856DC1} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a0000000002000000000010660000000100002000000077056e6bfbc63f1e25a9a69e9d4e980bfe1141ab29c6c78305a3bf510967c328000000000e8000000002000020000000bc9116374bf00b75bafc27f447b76a1bc82dc2d8a3016a27e88bb0f92f40639390000000f678326c8455f44de46877d8aa55e1daa97f7d8a1967f094d4c3f9399f2b0465c75e277136f6d04f4063b3f58d0e5dc33ca32a814ea7278ae494893163327f0cce2adfe904f66e4a130b0c39560c697e7d01e4c3b354d1badef33681b3d13d0d76de1a9850747672c4fe35e2ac652db73b4e1e2a610dc52068b066e002b5b1272c32b2057b09060f503052a57962709c40000000b9b3967fad129efadded6bd8d533c9090765b5a7e461d18ac9000588ce7ef4c2da3d6d54d12b66a7da28f96f5ca5782fb02b79f2254e33f6196ebf47da73acc8	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a0000000002000000000010660000000100002000000015f569c03ab39eff0879cb4a61e092ab98807b075cadd349656e0cf622ed944d000000000e80000000020000200000006ed1d2fd5ccad8e2b951a2d67d1e6bcaf272927b06829fe7553a9a894bdbb0f520000000f240d4971370703f10021008eb0f97cd859d4f7fbd8bc86a782f0458f1f840c740000000bda34d2d5b8f11a5c419712c153d287e33e6bd509bcecb0c1ac2e13b5fe7919be8268e99d05699c18aceaa5a5baefca6241e66dcaeb64d086598ab5e69559340	iexplore.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1724	d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2020	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2020	iexplore.exe
2020	iexplore.exe
1636	IEXPLORE.EXE
1636	IEXPLORE.EXE
1636	IEXPLORE.EXE
1636	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2020	1724	d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9.exe	27
PID 1724 wrote to memory of 2020	1724	d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9.exe	27
PID 1724 wrote to memory of 2020	1724	d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9.exe	27
PID 1724 wrote to memory of 2020	1724	d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9.exe	27
PID 2020 wrote to memory of 1636	2020	iexplore.exe	29
PID 2020 wrote to memory of 1636	2020	iexplore.exe	29
PID 2020 wrote to memory of 1636	2020	iexplore.exe	29
PID 2020 wrote to memory of 1636	2020	iexplore.exe	29

C:\Users\Admin\AppData\Local\Temp\d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9.exe
"C:\Users\Admin\AppData\Local\Temp\d6efcaa582cfcafdff6e26080dac8dd77adf826c26a37a7c4dfeeac875553ee9.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://cs606517.vk.me/v606517550/1de7/fLkWmWbc3AA.jpg
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2020 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1636

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\Local\Microsoft\Internet Explorer\imagestore\309axvf\imagestore.dat

Filesize
5KB

MD5
a2691458365084a91449db5d055670fb

SHA1
aabab35f39c0ebafe75844f4850fad8b3b3d8627

SHA256
e624170785a0dedde432697d4c2fff60e7fbbe96df91b3448912d3a80988378e

SHA512
898cc0adaa48ed79536cdbb1f6412ada9419891793c5496a7dacb3a0aaa3d1c97fe03b79e37c3ffd2eb7e7625e3c5125caa850f08a1eaef820e917745a9103fc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Z4TAQ562\favicon[2].ico

Filesize
1KB

MD5
c30515639cdb85b1fb619e84233c0d5f

SHA1
61a7848bb12959b841105da1685888d48cbb072d

SHA256
35f9c9dd568c8c49e9d1adc99dfae841abdccf6cae9344068f3c387465e5704a

SHA512
4f8fafc0047fa10283cf7b47c7b2e8a87d8feadd21b22b7b3765e462f5b1deb795203582c2c0b76cba5749f47e2c4397a31fe0f6b4d5837f42b327e9a6bfcafd

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\TZR9UZVN.txt

Filesize
603B

MD5
5c4f4cd30648cb07b46649ff9ce9d24b

SHA1
e76020b3689b4504a62ec1906801c11a28ec3cfa

SHA256
32d4d6c0e36ff4b2542f370197dea1d4e9e50220b7e1649063a90a2060304d10

SHA512
f1fb09b19f65de13ebd06fcccf98cdd0efa0467a49f906f2e76bb79a60bcd81d6a08d17bce270a940f8640997b5a3d1455d2bc4b081f158b295c87e9a17f0e36

Download Submit
memory/1724-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/1724-55-0x00000000742C0000-0x000000007486B000-memory.dmp

Filesize
5.7MB

Download