81d67c8b2c8163c4013feca64c5a676202619a4eb257225fb181f0971935a166

Analysis

max time kernel
91s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 12:30

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General

Target
2024-06-13_23277e098e96ee2c1e1a3bc0a59f4d25_floxif_mafia.exe
Size 2.5MB
Sample240613-ppldesyekd
SHA256 81d67c8b2c8163c4013feca64c5a676202619a4eb257225fb181f0971935a166
MD5 23277e098e96ee2c1e1a3bc0a59f4d25
SHA1 9d8ecc4845d81a298517cad08dad066bf003004f
SHA512 24d07aeb79aee8d9bd1d0060c963678ddd62f8a70b4d94756a763c0a03d9f6bcb1161ddfeaa82479a0c5daa67e502117dd704e81a56056a4815e4c9cdd764259
SSDEEP 49152:tuISKHofs2hPd2l177BTK2VbDsar1YDj1:tj8fs2hPIl1/S
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/files/0x000700000002327a-1.dat	UPX
behavioral2/memory/968-4-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/968-19-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000700000002327a-1.dat	acprotect

Loads dropped DLL 7 IoCs

pid	Process
968	2024-06-13_23277e098e96ee2c1e1a3bc0a59f4d25_floxif_mafia.exe
1616	WerFault.exe
368	WerFault.exe
2916	WerFault.exe
3248	WerFault.exe
3440	WerFault.exe
4936	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000700000002327a-1.dat	upx
behavioral2/memory/968-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/968-19-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	2024-06-13_23277e098e96ee2c1e1a3bc0a59f4d25_floxif_mafia.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-06-13_23277e098e96ee2c1e1a3bc0a59f4d25_floxif_mafia.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
2916	968	WerFault.exe	80
3440	968	WerFault.exe	80
4936	968	WerFault.exe	80

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
968	2024-06-13_23277e098e96ee2c1e1a3bc0a59f4d25_floxif_mafia.exe
968	2024-06-13_23277e098e96ee2c1e1a3bc0a59f4d25_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	968	2024-06-13_23277e098e96ee2c1e1a3bc0a59f4d25_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-13_23277e098e96ee2c1e1a3bc0a59f4d25_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_23277e098e96ee2c1e1a3bc0a59f4d25_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 908
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:2916
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 832
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:3440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 928
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 968 -ip 968
1⤵
- Loads dropped DLL
PID:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 968 -ip 968
1⤵
- Loads dropped DLL
PID:368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 968 -ip 968
1⤵
- Loads dropped DLL
PID:3248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

symsrv.dll

Path C:\Program Files\Common Files\System\symsrv.dll
Size 67KB
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
MD5 SHA1 SHA512 SSDEEP

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memory/968-4-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/968-6-0x0000000000511000-0x0000000000512000-memory.dmp

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memory/968-19-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/968-17-0x0000000000510000-0x000000000077A000-memory.dmp

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