ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44

Analysis

max time kernel
117s
max time network
152s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 12:19

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General

Target

ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44.exe
Size

681KB
MD5

0dd8a4305a7d22b2cb9472bba95bb3c5
SHA1

551c467515af3d25bb4686557d05bf16169f26aa
SHA256

ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44
SHA512

0cc4109a86e2f508eee91a4eea5dcb0531bb99d426646b2c4b4efceb77012900d03f8cf2e71e4c8b1eacc8ea0f4fbf18ef1d1f31897357703fa7039a63198c1c
SSDEEP

12288:v0aOMEz2DmXYj1F9n5TBT3SXW3YoJ06N2xOqkaAqeUe532rGzduuSK:cEEbXYzogatKuGzduuSK

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
1184	ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44.exe
1184	ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44.exe
1184	ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44.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 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000d3b98f5693c0d24b85f349229339c59c0000000002000000000010660000000100002000000029e8cc9cb76cf34192808b740f6fef00798e81413e3b4701bd8235427cbb14b8000000000e800000000200002000000054c99866e33af9cc1f3cb28d662a073fb7aeaeb9073963416c1f6254c9e741d92000000032419cf45b4537e968ceb73b5090d4b385ac8bb8915bfd6d39911ef615da7dca40000000a7c1b8fcdd2e9218d079e7ff1f7867fc7048e750ab238cd62b3468e41345f230bd144ff873221435b93cbb975965b804bd74db34db9b932739ff72fa796043b4	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 106c06c6f9f1d801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E67E3811-5DEC-11ED-8C11-42FEA5F7B9B2} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374515740"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1648	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1648	iexplore.exe
1648	iexplore.exe
1960	IEXPLORE.EXE
1960	IEXPLORE.EXE
1960	IEXPLORE.EXE
1960	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 1648	1184	ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44.exe	26
PID 1184 wrote to memory of 1648	1184	ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44.exe	26
PID 1184 wrote to memory of 1648	1184	ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44.exe	26
PID 1184 wrote to memory of 1648	1184	ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44.exe	26
PID 1648 wrote to memory of 1960	1648	iexplore.exe	28
PID 1648 wrote to memory of 1960	1648	iexplore.exe	28
PID 1648 wrote to memory of 1960	1648	iexplore.exe	28
PID 1648 wrote to memory of 1960	1648	iexplore.exe	28

C:\Users\Admin\AppData\Local\Temp\ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44.exe
"C:\Users\Admin\AppData\Local\Temp\ae81d99d2833de1f4d64b579ceef51c2a17155f648c129c2fa2ea8ba74afdc44.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://plugin.chameleontom.com/?aff=1
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1648 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1960

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\Roaming\Microsoft\Windows\Cookies\7MILERSN.txt

Filesize
601B

MD5
67e8b18b8db7c163f6b53593fe567ffd

SHA1
e2f9d4e1851f862957e0bb980ec4bb406b6fd134

SHA256
da6ae7ef27a4f3bc5fa9367f5ee20f74166aafb0268476654171151d151eb7d6

SHA512
32222c549be431c31cf3f54346fec5e8b19999b8ad13fdb0447a9da62f42b30139a483a71f2cfe5602006bcfb9549a6a5673b087a895d7ead5f91c90d6e2af7a

Download Submit
\Users\Admin\AppData\Local\Temp\nst54D7.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nst54D7.tmp\blowfish.dll

Filesize
60KB

MD5
926e4475c00fb5254c32c876921b77d0

SHA1
8a55bc8b6e49021a4abbd441783c41d5e019798b

SHA256
d54c8582863c079996c4f1113b1c106204773ad9ea2ae831ba2b33b45bafdfa8

SHA512
53f389e1a967c123ed591c7650cf6d3140abf1012dcac90faf2327e68558949eb2b19905098bd14ab3a9811d23f98466f88418d992ca6373f94afae56a285bd8

Download Submit
\Users\Admin\AppData\Local\Temp\nst54D7.tmp\nswebgui.dll

Filesize
157KB

MD5
dcf180c820c7eca0409eca7c32e12cb2

SHA1
655984847eb8c4a244742ce99316bae8a0cc7515

SHA256
204199949dabc9708cd1e8f0fa40f37d7889f04b0b1b072599a8481bd97bede0

SHA512
9efbe1af3488278f9888708503d4cb2b505d57e63626c4261583d870ae7a04d1002ac24599fc7cfeb3bf7a718177d5645e8227ea48f63e98e540340b3ab7f420

Download Submit
memory/1184-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

Filesize
8KB

Download
memory/1184-58-0x00000000003D0000-0x00000000003FC000-memory.dmp

Filesize
176KB

Download