f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472

General

Target

f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472.exe
Size

155KB
MD5

6fbe350589e935c3d7e83dd030b887a8
SHA1

b1b1d6f9d318683b85996c1aedbee49826516b2f
SHA256

f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472
SHA512

80791870880eb93dea3ee1f9988cc1feb3433f0c40c495b16fe2ca3272c8ff317cda7663ffba3265350f355ae92f62cd4a1bac3f6556faa8262bb3dd499e6aee
SSDEEP

3072:wbm5Jewy+gQ5cL8Hag0iY2gjEkJTDCvEQDh96ytvbw:dBy+Lc8LdDOhgvELytv

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 4 IoCs

pid	Process
1808	rundll32.exe
1808	rundll32.exe
1808	rundll32.exe
1808	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{049E1601-4266-11ED-979A-4A7553B9BC92} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
396	iexplore.exe
396	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
396	iexplore.exe
396	iexplore.exe
600	IEXPLORE.EXE
600	IEXPLORE.EXE
1808	rundll32.exe
396	iexplore.exe
396	iexplore.exe
972	IEXPLORE.EXE
972	IEXPLORE.EXE
1808	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1808	1720	f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472.exe	27
PID 1720 wrote to memory of 1808	1720	f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472.exe	27
PID 1720 wrote to memory of 1808	1720	f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472.exe	27
PID 1720 wrote to memory of 1808	1720	f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472.exe	27
PID 1720 wrote to memory of 1808	1720	f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472.exe	27
PID 1720 wrote to memory of 1808	1720	f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472.exe	27
PID 1720 wrote to memory of 1808	1720	f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472.exe	27
PID 396 wrote to memory of 600	396	iexplore.exe	30
PID 396 wrote to memory of 600	396	iexplore.exe	30
PID 396 wrote to memory of 600	396	iexplore.exe	30
PID 396 wrote to memory of 600	396	iexplore.exe	30
PID 396 wrote to memory of 972	396	iexplore.exe	31
PID 396 wrote to memory of 972	396	iexplore.exe	31
PID 396 wrote to memory of 972	396	iexplore.exe	31
PID 396 wrote to memory of 972	396	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472.exe
"C:\Users\Admin\AppData\Local\Temp\f2f4316efa003dac2f39e23f4d84d905ca74f05ee26ef26d01013537d1989472.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Roaming\nfgetc.dll",IndexRecordCount
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:1808

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:396
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:396 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:600
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:396 CREDAT:275461 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:972

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\nfgetc.dll

Filesize
155KB

MD5
635582228a444f99eedfb546b1f4d0e0

SHA1
23cde35e8a11229dcd1a660c533f1e49120f0d9b

SHA256
b05a363fdde81783fc0cbc2ebbd9d6ed01a8157f028725262d5e4e706663ee0d

SHA512
b464081073e150b97fcccd1f80c617d9dd17d1312a7a74077b02f7d76c23587a1df4cd4ae22fd0797f787b5f87f197887fa08c8efbfe951b03ad7ed2fde659bc

Download Submit
\Users\Admin\AppData\Roaming\nfgetc.dll

Filesize
155KB

MD5
635582228a444f99eedfb546b1f4d0e0

SHA1
23cde35e8a11229dcd1a660c533f1e49120f0d9b

SHA256
b05a363fdde81783fc0cbc2ebbd9d6ed01a8157f028725262d5e4e706663ee0d

SHA512
b464081073e150b97fcccd1f80c617d9dd17d1312a7a74077b02f7d76c23587a1df4cd4ae22fd0797f787b5f87f197887fa08c8efbfe951b03ad7ed2fde659bc

Download Submit
\Users\Admin\AppData\Roaming\nfgetc.dll

Filesize
155KB

MD5
635582228a444f99eedfb546b1f4d0e0

SHA1
23cde35e8a11229dcd1a660c533f1e49120f0d9b

SHA256
b05a363fdde81783fc0cbc2ebbd9d6ed01a8157f028725262d5e4e706663ee0d

SHA512
b464081073e150b97fcccd1f80c617d9dd17d1312a7a74077b02f7d76c23587a1df4cd4ae22fd0797f787b5f87f197887fa08c8efbfe951b03ad7ed2fde659bc

Download Submit
\Users\Admin\AppData\Roaming\nfgetc.dll

Filesize
155KB

MD5
635582228a444f99eedfb546b1f4d0e0

SHA1
23cde35e8a11229dcd1a660c533f1e49120f0d9b

SHA256
b05a363fdde81783fc0cbc2ebbd9d6ed01a8157f028725262d5e4e706663ee0d

SHA512
b464081073e150b97fcccd1f80c617d9dd17d1312a7a74077b02f7d76c23587a1df4cd4ae22fd0797f787b5f87f197887fa08c8efbfe951b03ad7ed2fde659bc

Download Submit
\Users\Admin\AppData\Roaming\nfgetc.dll

Filesize
155KB

MD5
635582228a444f99eedfb546b1f4d0e0

SHA1
23cde35e8a11229dcd1a660c533f1e49120f0d9b

SHA256
b05a363fdde81783fc0cbc2ebbd9d6ed01a8157f028725262d5e4e706663ee0d

SHA512
b464081073e150b97fcccd1f80c617d9dd17d1312a7a74077b02f7d76c23587a1df4cd4ae22fd0797f787b5f87f197887fa08c8efbfe951b03ad7ed2fde659bc

Download Submit
memory/1720-54-0x00000000765B1000-0x00000000765B3000-memory.dmp

Filesize
8KB

Download
memory/1720-55-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/1720-56-0x00000000002E0000-0x000000000030A000-memory.dmp

Filesize
168KB

Download
memory/1720-60-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/1808-61-0x0000000000000000-mapping.dmp

Download
memory/1808-69-0x0000000000200000-0x000000000022A000-memory.dmp

Filesize
168KB

Download
memory/1808-73-0x00000000000C0000-0x00000000000D3000-memory.dmp

Filesize
76KB

Download

Analysis

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