38db5dcd789eb7eef8c1b760440823f1302e02d762fbc5c1c3e359d6ac9e2dab

Analysis

max time kernel
142s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
08-01-2024 23:16

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General

Target

4cb5cb3eb359864d99b915521a4d5f65.exe
Size

332KB
MD5

4cb5cb3eb359864d99b915521a4d5f65
SHA1

7808d2676bfffa1d5eba0a908bbcd00cfa984ada
SHA256

38db5dcd789eb7eef8c1b760440823f1302e02d762fbc5c1c3e359d6ac9e2dab
SHA512

3ff1107672b9100c50aa493f99f9b366573dd8e171c6210d400d82d5af22fcbdd772083ed50e1de99367a47e1ca63953cf65b17a2fa37855dafe8f4e2a38666e
SSDEEP

6144:ZKbQTVCIqGlE6uknsfyW37/ODvLZHV9D/z8R6Vz84+Ztz:ZKcJ9Tp7sfyW37wf9Db8EVArz

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1076	2760	WerFault.exe	27

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{FCF20551-AE7B-11EE-BE57-56B3956C75C7} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410917691"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000580e1c8c6faee54b80ab28599b83677c00000000020000000000106600000001000020000000b91b1561e3cf1dabb75feb904764e7b18d9ba74d01a9614bb7dc7c3944c47e24000000000e8000000002000020000000dae4c746646094973b97a0f9879282f71f702ddc7dcdbfda274bf302f2ab70c7200000006b662ee90d125d016d0aedeca0f854f041bd323cfffcbbee73bc26676a9f6e1b4000000049524834847c2580000ae214e98e29f72a942918027f08d772e96b24d961d3f7bceddd656209a50501dd67260972b6a4ade82ca15ce64fca06f273a664b244f4	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d097d8038942da01	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2444	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2444	iexplore.exe
2444	iexplore.exe
2964	IEXPLORE.EXE
2964	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2444	2760	4cb5cb3eb359864d99b915521a4d5f65.exe	28
PID 2760 wrote to memory of 2444	2760	4cb5cb3eb359864d99b915521a4d5f65.exe	28
PID 2760 wrote to memory of 2444	2760	4cb5cb3eb359864d99b915521a4d5f65.exe	28
PID 2760 wrote to memory of 2444	2760	4cb5cb3eb359864d99b915521a4d5f65.exe	28
PID 2444 wrote to memory of 2964	2444	iexplore.exe	29
PID 2444 wrote to memory of 2964	2444	iexplore.exe	29
PID 2444 wrote to memory of 2964	2444	iexplore.exe	29
PID 2444 wrote to memory of 2964	2444	iexplore.exe	29
PID 2760 wrote to memory of 1076	2760	4cb5cb3eb359864d99b915521a4d5f65.exe	30
PID 2760 wrote to memory of 1076	2760	4cb5cb3eb359864d99b915521a4d5f65.exe	30
PID 2760 wrote to memory of 1076	2760	4cb5cb3eb359864d99b915521a4d5f65.exe	30
PID 2760 wrote to memory of 1076	2760	4cb5cb3eb359864d99b915521a4d5f65.exe	30

C:\Users\Admin\AppData\Local\Temp\4cb5cb3eb359864d99b915521a4d5f65.exe
"C:\Users\Admin\AppData\Local\Temp\4cb5cb3eb359864d99b915521a4d5f65.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://postcards.ig.com.br/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2444 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2964
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 936
  2⤵
  - Program crash
  PID:1076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
344B

MD5
a45c793f6f665c31bf2bd72984859025

SHA1
c80f6ba9351b69248e18c2239c890bea6c0ee5e1

SHA256
6a7234f614a2984af24471b777e7ff7aee679759a1d361cb7a8cda8689feac89

SHA512
b73c3653d3508323968509fe47a370d3f9828729f496578741b9f60fb8fa049f10e1f24d7832d90fdaeb92b5050a103dd4ff809c0cb98f15672a13ea425d20c9

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

Filesize
344B

MD5
4c260eb2c77a014908191b4c4bec3025

SHA1
ee508db2c45d2d541574eefa80df9ea51f3fb4eb

SHA256
7d94c34634a943a97d931f85b093c5623543de6a4e92488e2cbfbde7a8445e91

SHA512
9da00728007518afecc50bddc7d0410116f75ccd00ebd133c17b33adafda4aadbc6e8b51458526e306b575ba25ae9e9e0ed71a4e3332b0cbe7f785955de812b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5285.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5298.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2760-20-0x0000000076B70000-0x0000000076B76000-memory.dmp

Filesize
24KB

Download
memory/2760-19-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-8-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-7-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-6-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-4-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-10-0x0000000074E40000-0x0000000074E49000-memory.dmp

Filesize
36KB

Download
memory/2760-12-0x0000000076F90000-0x0000000076F9A000-memory.dmp

Filesize
40KB

Download
memory/2760-13-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-15-0x0000000074F60000-0x0000000074F6C000-memory.dmp

Filesize
48KB

Download
memory/2760-14-0x0000000076650000-0x0000000076740000-memory.dmp

Filesize
960KB

Download
memory/2760-11-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2760-17-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/2760-18-0x00000000747C0000-0x0000000074818000-memory.dmp

Filesize
352KB

Download
memory/2760-0-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2760-9-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-21-0x00000000747C0000-0x00000000747C7000-memory.dmp

Filesize
28KB

Download
memory/2760-16-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-22-0x0000000074770000-0x00000000747BF000-memory.dmp

Filesize
316KB

Download
memory/2760-23-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-24-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-25-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2760-26-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-28-0x0000000076F90000-0x0000000076F9A000-memory.dmp

Filesize
40KB

Download
memory/2760-27-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2760-29-0x0000000076650000-0x0000000076740000-memory.dmp

Filesize
960KB

Download
memory/2760-30-0x0000000074F60000-0x0000000074F6C000-memory.dmp

Filesize
48KB

Download
memory/2760-32-0x00000000747C0000-0x0000000074818000-memory.dmp

Filesize
352KB

Download
memory/2760-5-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-3-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-1-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download
memory/2760-2-0x000000007EF50000-0x000000007EFAC000-memory.dmp

Filesize
368KB

Download