1ddb9b35f7d06aea7258ed6cb7191e65fd434b6460c9d0ad00278e26a5241b7a

General

Target

copia do documento.paf.exe
Size

132KB
MD5

acdb106a9198ea196969ddba272a460e
SHA1

9d246c7c3a0ea14ebe888015596964440606748b
SHA256

ffb9ba821cd0568e49e14db738158167c451e4747871339875f47d10e105132d
SHA512

5397f6cd799ebb4623e73a5b5ad361977d5508bd3465fd84ce11af6ab2b37eca23e005efde70e84d1ac379373fc0171af722d6741cfd27023680ec1c121f3590
SSDEEP

3072:fEJ4oxJrPhqrrm8Hj7ijhOHr3QVdAdjdrl2K98gXZsQ45GBdX8ckFQLGLCM:fIXxgGj5M/kFQLGLC

Score

10^/10

adware evasion stealer trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	29112022.exe

Executes dropped EXE 1 IoCs

pid	Process
2640	29112022.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	29112022.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	copia do documento.paf.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	29112022.exe

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	29112022.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	29112022.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\NoExplorer = "1"	29112022.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 18 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376470208"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{843E199B-6FB3-11ED-89AC-5EAE84113378} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
532	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3836	copia do documento.paf.exe
2640	29112022.exe
532	iexplore.exe
532	iexplore.exe
4748	IEXPLORE.EXE
4748	IEXPLORE.EXE
4748	IEXPLORE.EXE
4748	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 2640	3836	copia do documento.paf.exe	78
PID 3836 wrote to memory of 2640	3836	copia do documento.paf.exe	78
PID 3836 wrote to memory of 2640	3836	copia do documento.paf.exe	78
PID 2640 wrote to memory of 3320	2640	29112022.exe	79
PID 2640 wrote to memory of 3320	2640	29112022.exe	79
PID 2640 wrote to memory of 3320	2640	29112022.exe	79
PID 2640 wrote to memory of 620	2640	29112022.exe	80
PID 2640 wrote to memory of 620	2640	29112022.exe	80
PID 2640 wrote to memory of 620	2640	29112022.exe	80
PID 2640 wrote to memory of 532	2640	29112022.exe	81
PID 2640 wrote to memory of 532	2640	29112022.exe	81
PID 532 wrote to memory of 4748	532	iexplore.exe	82
PID 532 wrote to memory of 4748	532	iexplore.exe	82
PID 532 wrote to memory of 4748	532	iexplore.exe	82

System policy modification 1 TTPs 4 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	29112022.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	29112022.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	29112022.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\ = "1"	29112022.exe

C:\Users\Admin\AppData\Local\Temp\copia do documento.paf.exe
"C:\Users\Admin\AppData\Local\Temp\copia do documento.paf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3836
- C:\Users\Admin\29112022.exe
  "C:\Users\Admin\29112022.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Checks computer location settings
  - Checks whether UAC is enabled
  - Installs/modifies Browser Helper Object
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2640
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\SysWOW64\regsvr32.exe /s c:\Users\Admin\avjraebt\avjraebt.dll
    3⤵
    PID:3320
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\system32\regsvr32.exe /s c:\Users\Admin\avjraebt\avjraebt.dll
    3⤵
    PID:620
- - 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:532
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:532 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\29112022.exe

Filesize
132KB

MD5
acdb106a9198ea196969ddba272a460e

SHA1
9d246c7c3a0ea14ebe888015596964440606748b

SHA256
ffb9ba821cd0568e49e14db738158167c451e4747871339875f47d10e105132d

SHA512
5397f6cd799ebb4623e73a5b5ad361977d5508bd3465fd84ce11af6ab2b37eca23e005efde70e84d1ac379373fc0171af722d6741cfd27023680ec1c121f3590

Download Submit
C:\Users\Admin\29112022.exe

Filesize
132KB

MD5
acdb106a9198ea196969ddba272a460e

SHA1
9d246c7c3a0ea14ebe888015596964440606748b

SHA256
ffb9ba821cd0568e49e14db738158167c451e4747871339875f47d10e105132d

SHA512
5397f6cd799ebb4623e73a5b5ad361977d5508bd3465fd84ce11af6ab2b37eca23e005efde70e84d1ac379373fc0171af722d6741cfd27023680ec1c121f3590

Download Submit
C:\Users\Admin\29112022.tmp

Filesize
64B

MD5
60e70a9d67465323f659f6dbfd7250c7

SHA1
3a91f79a8c4326fd928bc3775cef0f9c71caf77e

SHA256
3005b3a88c12d57b51583bc71f33a13a659a4c4e2e3e7ad274775a148f1d26d2

SHA512
0c5372f182fd51fbe4acd1e602aa41249250b9c9a2d5b4cf399f220d4ca41ddb07d44f2f9be403285bb5cf8461a7ebe4eaf5c7ddb539a60344db1d4d6727da15

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads