4d93c444d0e75bd37cd803d6394c13d6bdda493fadf33aa64ce8f23371836648

Analysis

max time kernel
122s
max time network
133s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 18:05

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General

Target

c6880976d88a6fdfec2b1aa52b9a1919.dll
Size

66KB
MD5

c6880976d88a6fdfec2b1aa52b9a1919
SHA1

3bddf117982d199fbf91eef525ba8e1df23ecee7
SHA256

4d93c444d0e75bd37cd803d6394c13d6bdda493fadf33aa64ce8f23371836648
SHA512

13481548d9d06e85f9725a1a5fbdb4da4498b5b7893b260d2877438132eac51858c81a1db3406bb4abdf2d36935ce105dd4d369d67c2a48f85eb99db24322a3f
SSDEEP

1536:+KaouK0rof8925RMehGW446cHHP3AqshuqRTu2:+KaouK99MqB44j3cny2

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2968 set thread context of 2992	2968	rundll32.exe	29

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "416514991"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{402853E1-E164-11EE-BAF4-4AADDC6219DF} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2992	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2992	IEXPLORE.EXE
2992	IEXPLORE.EXE
1988	IEXPLORE.EXE
1988	IEXPLORE.EXE
1988	IEXPLORE.EXE
1988	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2968	2860	rundll32.exe	28
PID 2860 wrote to memory of 2968	2860	rundll32.exe	28
PID 2860 wrote to memory of 2968	2860	rundll32.exe	28
PID 2860 wrote to memory of 2968	2860	rundll32.exe	28
PID 2860 wrote to memory of 2968	2860	rundll32.exe	28
PID 2860 wrote to memory of 2968	2860	rundll32.exe	28
PID 2860 wrote to memory of 2968	2860	rundll32.exe	28
PID 2968 wrote to memory of 2992	2968	rundll32.exe	29
PID 2968 wrote to memory of 2992	2968	rundll32.exe	29
PID 2968 wrote to memory of 2992	2968	rundll32.exe	29
PID 2968 wrote to memory of 2992	2968	rundll32.exe	29
PID 2968 wrote to memory of 2992	2968	rundll32.exe	29
PID 2992 wrote to memory of 1988	2992	IEXPLORE.EXE	30
PID 2992 wrote to memory of 1988	2992	IEXPLORE.EXE	30
PID 2992 wrote to memory of 1988	2992	IEXPLORE.EXE	30
PID 2992 wrote to memory of 1988	2992	IEXPLORE.EXE	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6880976d88a6fdfec2b1aa52b9a1919.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6880976d88a6fdfec2b1aa52b9a1919.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2968
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2992
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2992 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
0fbc1d19d3f9c3dd5fc3f81b4ed081de

SHA1
034122fce02e78b5580870b31e9080c19db112cb

SHA256
415ec7b4deb9f9c4766f29d18e68b2dad51d50a007727729d617f68279192dc1

SHA512
73daed5da271c6b1df31227342b3c0696cfbf01375f32838a7b8c7a01fcde4d78400a8d4ba4652001405ab2fd1452d21c9a745ba80de2852ab081acfce69380d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
bdcf2f1179b7b1586d148b0220d3a501

SHA1
f0818aa7fcabb8a6f73043f85d1e16cb401b9558

SHA256
2509fd1410358a943376a08d7cbe8a6bbe9e24c277a6b27c8f3d385c9427102b

SHA512
5f108615b65ac875184eaf54359daa6c3c3cb2169a9c2367a6005f2fbe2246cd93e5ce43cb255a97ee68c456eced061a2b1e202cbeaa279bad06ae2589f8535f

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
df66ccf6be52a5ff6c8068892ee88f7c

SHA1
4836abcc9f25597344dda3e16dc67fed9ea74f97

SHA256
7609b6ebb478dc923089b8f375cd95360d38157c8e94ea6d109585ae4ae7e7b8

SHA512
737d72de8f37602d0713d5f90b3e1545111550bf28bb2b098af641b6cc859a4d782ee582fa75abe3d7c76f34bbbceefc8a5d785c49ac900aefa2a70f8c607ab9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
22c377932ed74355af580bd3c09593f3

SHA1
8d99627fa9065494f9ea65e1f9b00d0195ecf1dc

SHA256
d14fb3d07f3a55eb75f81ef17e4f08a74c1b77f0f79633a8ef146a0f01a5097e

SHA512
a4b98f8bb3fa314d1072ca1cdb4892f8a0477abc09a6c7e00b66b9bb3d30ab74b0c031d3f0052925e638025aa224320ee58b249fc25a90622aae2a5b38c24e9e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
bd92faed491dcf02dd9804878ee9c598

SHA1
02abfa4cd366a3ec6aee5e1f4df0764eff619c3f

SHA256
8a60ef613d9924e150e047bc88c3ab450b2bbda0332f6d3bc61fdcb9b6f19a43

SHA512
7e7a177a8a01512b031605fc9332aaf90ece8e7d23e0cdd34ce4958145d58b5c0e48f87ff8c631af8839f877374afa9ab096a93b878b7ebd72b5a04ff360388c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
95f3eecc50032b717f2fa750c383fcb5

SHA1
bae603663be09d7c06d1a051be5047daa3a0df97

SHA256
11201caeab1814c8ab9169f4da2ed93ced19a627d57af59601d80ae1e6be7ac2

SHA512
b70b502c4bf2b90dd074769ab309e3ff37403de7ff15bddb73522e124147c50b58c6f945aeef7f3c0d5874d5e63a0062bfdce653bb9e140c8c36cb5a978b5623

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
f297bb8547919f7cc91ddddbdd14c99f

SHA1
bbf0c89540744458b0e92418d2f4fae83486a125

SHA256
9e0327acd6449e99d238eff0428143d83ca5a724feaa592b94e35e696530edc8

SHA512
6c070e8fd4d5d57f6f0001e61a16d671aafa266ece4ab8fdc253cad1c07e0a001dd4cd60ac0fbd245bd221aa06d92f04b770d08c29e7aa63c33ab69f97179f71

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab3D13.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3F3C.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit