8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd

Analysis

max time kernel
119s
max time network
152s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07-11-2022 19:18

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General

Target

8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe
Size

14KB
MD5

0de95947b0c7e4515e104eef17ea4322
SHA1

7926ebe1ac582c8ea7421fe4209ad2b8fe37957d
SHA256

8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd
SHA512

f98be3d89105f296984a3232aecf27dce727d753cdff86585de94f261cde2d75123a5f494e07d6f8318b09c9bec3ae1b138b8870acf7bcb839abd8f34b7fc7d5
SSDEEP

384:byi8T5ePaOaNJawcudoD7UG5A4VoeM4mK:byXTKsnbcuyD7UgVDz

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1108	b2e.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1520-55-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1520-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1520	8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe
1520	8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.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
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{6015BE11-5F77-11ED-9F1A-42A98B637845} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000062e6ef0d45f4454ab79548c962d74cdf000000000200000000001066000000010000200000005c3b7e359d8fb877dcbdda14f31c909c09b6e54d705b30513680562132ac167e000000000e80000000020000200000005a9c61dbc880345a08987f1e14ead7290de27e1e2326641d9ae09dda2044070a9000000072fa1308605dc96253d38f5b2ad5edb9a46d5e65c64b7e76a4aeaabd18872219e17d49b6f8f98f076238732bb8b5d5b9b4b5cdd7767af593fb6bcd6dcfaa36b374d09cccd76951ffad5961ab217d045de1764f707f4c06dd5a6cc79766a17b31fb12d8f26334334443772f62ccab81d1762be06f6e12c8a5a28882c08b9f9b34ff6c2867a0504e7f15c88c6818fdbef040000000851bcd8a6fdb91fb1c8e1e547a1013552d09e8e0b7eec2e9025efb6517b262d108a4c8ecdc09c708e2bea216e82295ac33c48150c3f9bb49c561d33290e73d64	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374685177"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000062e6ef0d45f4454ab79548c962d74cdf000000000200000000001066000000010000200000007dcf5c4276b0665d8f22e7db0220aa92d4a98755506289431af6d02b12e293d2000000000e800000000200002000000075a7740439a36b8ee161a44750a1d73c9d48e803fa2e4277c3d854544c71e5d4200000005ec15cfa18599e0e76e7863d5476380b29ca52beb39932df0605d5e4c4c4ecf84000000086ab9756dde1fd382655ea1984f192104acf57369c4bce911c9cc7ab5126a9b5791e036f9768693a60a460ad996c8dbbd7ab1d6f402042527522dd53dcae415f	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0b6a33a84f3d801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2040	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2040	iexplore.exe
2040	iexplore.exe
932	IEXPLORE.EXE
932	IEXPLORE.EXE
932	IEXPLORE.EXE
932	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 1108	1520	8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe	28
PID 1520 wrote to memory of 1108	1520	8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe	28
PID 1520 wrote to memory of 1108	1520	8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe	28
PID 1520 wrote to memory of 1108	1520	8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe	28
PID 1108 wrote to memory of 1076	1108	b2e.exe	29
PID 1108 wrote to memory of 1076	1108	b2e.exe	29
PID 1108 wrote to memory of 1076	1108	b2e.exe	29
PID 1108 wrote to memory of 1076	1108	b2e.exe	29
PID 1076 wrote to memory of 2040	1076	cmd.exe	31
PID 1076 wrote to memory of 2040	1076	cmd.exe	31
PID 1076 wrote to memory of 2040	1076	cmd.exe	31
PID 1076 wrote to memory of 2040	1076	cmd.exe	31
PID 1108 wrote to memory of 1984	1108	b2e.exe	32
PID 1108 wrote to memory of 1984	1108	b2e.exe	32
PID 1108 wrote to memory of 1984	1108	b2e.exe	32
PID 1108 wrote to memory of 1984	1108	b2e.exe	32
PID 2040 wrote to memory of 932	2040	iexplore.exe	35
PID 2040 wrote to memory of 932	2040	iexplore.exe	35
PID 2040 wrote to memory of 932	2040	iexplore.exe	35
PID 2040 wrote to memory of 932	2040	iexplore.exe	35

C:\Users\Admin\AppData\Local\Temp\8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe
"C:\Users\Admin\AppData\Local\Temp\8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\F7B8.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\F7B8.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\F7B8.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1108
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\F95D.tmp\batfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1076
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://ads.regiedepub.com/cgi-bin/advert/getads?x_dp_id=43
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2040
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2040 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:932
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\selfdel0.bat" "
    3⤵
    PID:1984

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\Temp\F7B8.tmp\b2e.exe

Filesize
8KB

MD5
6a7329f15480d4ca075dd593c7572d14

SHA1
cbe94a895b719efdb2309e2d3cdd469c5c5fef55

SHA256
50c8fe18a33985b19b5a88d9d6d94193079aea9cfaa89be9b28ec771e04e4670

SHA512
ba0a5b9fa41faadebe8124d44e03bb05fb5e6a9eec4052c90fc2d30852200e789b6183afd9deeea64c8aa944b8f28d6ef983dd64f1aaf581d930a98d5240f874

Download Submit
C:\Users\Admin\AppData\Local\Temp\F7B8.tmp\b2e.exe

Filesize
8KB

MD5
6a7329f15480d4ca075dd593c7572d14

SHA1
cbe94a895b719efdb2309e2d3cdd469c5c5fef55

SHA256
50c8fe18a33985b19b5a88d9d6d94193079aea9cfaa89be9b28ec771e04e4670

SHA512
ba0a5b9fa41faadebe8124d44e03bb05fb5e6a9eec4052c90fc2d30852200e789b6183afd9deeea64c8aa944b8f28d6ef983dd64f1aaf581d930a98d5240f874

Download Submit
C:\Users\Admin\AppData\Local\Temp\F95D.tmp\batfile.bat

Filesize
77B

MD5
ba7c5c724c70ee9f04c4933b18083e49

SHA1
d6c6dcbe9cbfb829296dc21ff41292cac64fdc9c

SHA256
aad13997529ce15c8b987178057a01b5e8236f0daf5b94f29dabaa778105388c

SHA512
d34f0f812c72580e1c505da5dfa636e18fea800cbf36e2ed11bfc423cf7a871981991b3a7e65e45b54aeb15f3f37f8eaef2e408a03585f2c46c95fbcbf63e09b

Download Submit
C:\Users\Admin\AppData\Local\Temp\selfdel0.bat

Filesize
158B

MD5
c9667a06e1d40555c4b1b232cbbb561f

SHA1
87c376ed2b35d9be20c2457ce748ed089d9620ac

SHA256
61057f44e5fb11a427742e32f4264024c08c93805155a2e33a582992680f0429

SHA512
a18ed36487db0e7e082b5aed504ee58defef32757d48ab44d85344df2dc70612fbb5f5e2eb0ed38595b674e0d7e9cbddc5f27cac0653e5542a957439e8571f4c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\JG9OAX39.txt

Filesize
608B

MD5
aa8790b75e8e394e883d97a2b20b9ac6

SHA1
f42d5622181e4c9d03eabd3b704d553932cc0e89

SHA256
f0687dd02a22d939232e725c29c4194d76c66571e565eeb881badd2c5f3e751f

SHA512
c286a597428d2daf0295512aba8779e6498be61a972ed2afbde98dd71f802a27513e6449e5484644e4e3b8bc1ebf5df1be7c0dc0cb7035a4efe05456e9bc9c43

Download Submit
\Users\Admin\AppData\Local\Temp\F7B8.tmp\b2e.exe

Filesize
8KB

MD5
6a7329f15480d4ca075dd593c7572d14

SHA1
cbe94a895b719efdb2309e2d3cdd469c5c5fef55

SHA256
50c8fe18a33985b19b5a88d9d6d94193079aea9cfaa89be9b28ec771e04e4670

SHA512
ba0a5b9fa41faadebe8124d44e03bb05fb5e6a9eec4052c90fc2d30852200e789b6183afd9deeea64c8aa944b8f28d6ef983dd64f1aaf581d930a98d5240f874

Download Submit
\Users\Admin\AppData\Local\Temp\F7B8.tmp\b2e.exe

Filesize
8KB

MD5
6a7329f15480d4ca075dd593c7572d14

SHA1
cbe94a895b719efdb2309e2d3cdd469c5c5fef55

SHA256
50c8fe18a33985b19b5a88d9d6d94193079aea9cfaa89be9b28ec771e04e4670

SHA512
ba0a5b9fa41faadebe8124d44e03bb05fb5e6a9eec4052c90fc2d30852200e789b6183afd9deeea64c8aa944b8f28d6ef983dd64f1aaf581d930a98d5240f874

Download Submit
memory/1108-67-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1520-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1520-55-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1520-54-0x0000000074D61000-0x0000000074D63000-memory.dmp

Filesize
8KB

Download