4b1a4e547ecbebbdbd4b67680aabbfbae9a0b9d752847897afb56be172abdf42

Analysis

max time kernel
115s
max time network
138s
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, 12:49

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General

Target
2024-06-13_e8747501c7ee63eab62abf01c5bd9bd5_floxif_mafia.exe
Size 2.5MB
Sample240613-p2pllstcpl
SHA256 4b1a4e547ecbebbdbd4b67680aabbfbae9a0b9d752847897afb56be172abdf42
MD5 e8747501c7ee63eab62abf01c5bd9bd5
SHA1 3ca84f82315fd357a66557ac0b9b7864a43be0aa
SHA512 1f0d3d01096ea340b90bbfde7bf47d00c0cb08b7148ed9b7790acb6627706d82bd7d27823b37e4e605082c10367e7be1a609646d74f0c9e9c59ec702de4ea687
SSDEEP 49152:tuI+K2ofs2hPd2l177BTK2VbDsar1YDjR:tjJfs2hPIl1/a
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/files/0x00090000000234e6-1.dat	UPX
behavioral2/memory/3280-5-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/3280-13-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00090000000234e6-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3280	2024-06-13_e8747501c7ee63eab62abf01c5bd9bd5_floxif_mafia.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000234e6-1.dat	upx
behavioral2/memory/3280-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3280-13-0x0000000010000000-0x0000000010030000-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_e8747501c7ee63eab62abf01c5bd9bd5_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_e8747501c7ee63eab62abf01c5bd9bd5_floxif_mafia.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
1928	3280	WerFault.exe	92
4816	3280	WerFault.exe	92
2708	3280	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3280	2024-06-13_e8747501c7ee63eab62abf01c5bd9bd5_floxif_mafia.exe
3280	2024-06-13_e8747501c7ee63eab62abf01c5bd9bd5_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3280	2024-06-13_e8747501c7ee63eab62abf01c5bd9bd5_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-13_e8747501c7ee63eab62abf01c5bd9bd5_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_e8747501c7ee63eab62abf01c5bd9bd5_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3280
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 924
  2⤵
  - Program crash
  PID:1928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 820
  2⤵
  - Program crash
  PID:4816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 944
  2⤵
  - Program crash
  PID:2708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3280 -ip 3280
1⤵
PID:1776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3280 -ip 3280
1⤵
PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3280 -ip 3280
1⤵
PID:4800

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4192,i,2029050989380753659,15333598055019363793,262144 --variations-seed-version --mojo-platform-channel-handle=1424 /prefetch:8
1⤵
PID:2368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Submit Download

memory/3280-5-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/3280-6-0x0000000000761000-0x0000000000762000-memory.dmp

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memory/3280-13-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/3280-11-0x0000000000760000-0x00000000009CA000-memory.dmp

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