a870a4b3295ebe630777c669f3c9171830f5e7d45de9fd13b2d5c5a4ca23504a

General

Target

106084-bugatti-chiron-flamenco.exe
Size

2.0MB
MD5

c418c78706d2ff8687279b1af8b6cab2
SHA1

41d6552ed7c1f8b80dd1d01ed8da4ab1554392ba
SHA256

a870a4b3295ebe630777c669f3c9171830f5e7d45de9fd13b2d5c5a4ca23504a
SHA512

6f1ad704c9acf94135abce716693c0e3c0901fcf25ba45af2fbb0affe87f2f40a2138e416d4b1e92e9d3c13183586859762ad13c06973d27a494d1ff73b1188b
SSDEEP

49152:Pqum+E31Kdms6VnthY8MDfXaAPiULncE5G5zx+5:S5+EQms6VtG8WSwzzbGdx+5

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1580-54-0x0000000000400000-0x0000000000942000-memory.dmp	upx
behavioral1/memory/1580-55-0x0000000000400000-0x0000000000942000-memory.dmp	upx

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 23 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F70F1BE1-F0DB-11ED-8239-F2E58DC6BB35} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1616	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1616	iexplore.exe
1616	iexplore.exe
1328	IEXPLORE.EXE
1328	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 1616	1580	106084-bugatti-chiron-flamenco.exe	26
PID 1580 wrote to memory of 1616	1580	106084-bugatti-chiron-flamenco.exe	26
PID 1580 wrote to memory of 1616	1580	106084-bugatti-chiron-flamenco.exe	26
PID 1580 wrote to memory of 1616	1580	106084-bugatti-chiron-flamenco.exe	26
PID 1616 wrote to memory of 1328	1616	iexplore.exe	28
PID 1616 wrote to memory of 1328	1616	iexplore.exe	28
PID 1616 wrote to memory of 1328	1616	iexplore.exe	28
PID 1616 wrote to memory of 1328	1616	iexplore.exe	28

C:\Users\Admin\AppData\Local\Temp\106084-bugatti-chiron-flamenco.exe
"C:\Users\Admin\AppData\Local\Temp\106084-bugatti-chiron-flamenco.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" https://modmanager.info/en/errors#mmrc_not_found
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1616 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1580-54-0x0000000000400000-0x0000000000942000-memory.dmp

Filesize
5.3MB

Download
memory/1580-55-0x0000000000400000-0x0000000000942000-memory.dmp

Filesize
5.3MB

Download

Analysis

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