50f8d29d89d0fd6b5bf0108762d925f613dcd1d8e4d495a424ba2bc05f256605

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24-01-2024 14:23

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General

Target

2024-01-24_cc766a6ae174c13b2e6fab8b19093985_floxif_mafia.exe
Size

352KB
MD5

cc766a6ae174c13b2e6fab8b19093985
SHA1

fa897ef0a70ee1a0d6fd7da44a7abce873f39bcb
SHA256

50f8d29d89d0fd6b5bf0108762d925f613dcd1d8e4d495a424ba2bc05f256605
SHA512

f2ef9a4df84578b5b0113122d14a669470e67961c69c4c7190831816de38bced6a04f8a83210cfa4ea1213751f54aa32b90be46b4e2c8243af1fcc766ed8f8f6
SSDEEP

6144:uRhZxGeYXhouzujD6ivpRF8duMoHK9GpN7+BTiWeiHsQvMRlkM4RD/qzMfULbM:iGzXhvz0DJ76uMoHK9Gp9+Bmi5MRGM4d

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012252-1.dat	UPX
behavioral1/memory/852-3-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/2260-7-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/852-11-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/2260-12-0x0000000010000000-0x0000000010033000-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
behavioral1/files/0x0009000000012252-1.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
852	2024-01-24_cc766a6ae174c13b2e6fab8b19093985_floxif_mafia.exe
2260	arp.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0009000000012252-1.dat	upx
behavioral1/memory/852-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2260-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/852-11-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2260-12-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2024-01-24_cc766a6ae174c13b2e6fab8b19093985_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	852	2024-01-24_cc766a6ae174c13b2e6fab8b19093985_floxif_mafia.exe
Token: SeDebugPrivilege	2260	arp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 2260	852	2024-01-24_cc766a6ae174c13b2e6fab8b19093985_floxif_mafia.exe	29
PID 852 wrote to memory of 2260	852	2024-01-24_cc766a6ae174c13b2e6fab8b19093985_floxif_mafia.exe	29
PID 852 wrote to memory of 2260	852	2024-01-24_cc766a6ae174c13b2e6fab8b19093985_floxif_mafia.exe	29
PID 852 wrote to memory of 2260	852	2024-01-24_cc766a6ae174c13b2e6fab8b19093985_floxif_mafia.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-01-24_cc766a6ae174c13b2e6fab8b19093985_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_cc766a6ae174c13b2e6fab8b19093985_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\SysWOW64\arp.exe
  arp -a
  2⤵
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  PID:2260

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Program Files\Common Files\System\symsrv.dll

Filesize
71KB

MD5
4fcd7574537cebec8e75b4e646996643

SHA1
efa59bb9050fb656b90d5d40c942fb2a304f2a8b

SHA256
8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

SHA512
7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

Download Submit
memory/852-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/852-8-0x00000000001C0000-0x0000000000208000-memory.dmp

Filesize
288KB

Download
memory/852-10-0x00000000001C0000-0x0000000000208000-memory.dmp

Filesize
288KB

Download
memory/852-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2260-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2260-12-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download