47d178214e35dc1d7dca9886abd3fc3e715a934c5e8540e9f0879d5d1c8addee

Resubmissions

28-01-2022 12:16

220128-pfymdsccbk 10

19-01-2022 09:07

220119-k3bzpagfak 10

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-en-20211208
submitted
28-01-2022 12:16

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General

Target

f373ebb32b2a836b78f932fd436ec49a.exe
Size

492KB
MD5

f373ebb32b2a836b78f932fd436ec49a
SHA1

fdf344a3d5684433e689b61de782d5bd29f185b9
SHA256

47d178214e35dc1d7dca9886abd3fc3e715a934c5e8540e9f0879d5d1c8addee
SHA512

b5fadc8d050d2bae9b1f657f33d8b23d6ac0eb39fb962a64059fe5e39c73a85e5f998a53622e06811616c55d037b115a853794841a2f16354b65af3ca1ffdb48

Score

10^/10

suricata

Malware Config

Signatures

suricata: ET MALWARE OneLouder EXE download possibly installing Zeus P2P
suricata: ET MALWARE OneLouder EXE download possibly installing Zeus P2P
suricata
suricata: ET MALWARE Probable OneLouder downloader (Zeus P2P) exe download
suricata: ET MALWARE Probable OneLouder downloader (Zeus P2P) exe download
suricata
suricata: ET MALWARE PurpleFox Backdoor/Rootkit Download Request M1
suricata: ET MALWARE PurpleFox Backdoor/Rootkit Download Request M1
suricata
suricata: ET MALWARE PurpleFox Backdoor/Rootkit Download Server Response M1
suricata: ET MALWARE PurpleFox Backdoor/Rootkit Download Server Response M1
suricata

Executes dropped EXE 4 IoCs

pid	Process
604	7zz.exe
896	ojbkcg.exe
1712	111.exe
1752	7z.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\startup\╧╘┐¿╟²╢».lnk	7z.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\startup\╧╘┐¿╟²╢».lnk	7z.exe

Loads dropped DLL 9 IoCs

pid	Process
740	f373ebb32b2a836b78f932fd436ec49a.exe
740	f373ebb32b2a836b78f932fd436ec49a.exe
740	f373ebb32b2a836b78f932fd436ec49a.exe
896	ojbkcg.exe
1712	111.exe
1712	111.exe
1712	111.exe
1712	111.exe
1752	7z.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
740	f373ebb32b2a836b78f932fd436ec49a.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	1752	7z.exe
Token: 35	1752	7z.exe
Token: SeSecurityPrivilege	1752	7z.exe
Token: SeSecurityPrivilege	1752	7z.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1712	111.exe
1712	111.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 604	740	f373ebb32b2a836b78f932fd436ec49a.exe	29
PID 740 wrote to memory of 604	740	f373ebb32b2a836b78f932fd436ec49a.exe	29
PID 740 wrote to memory of 604	740	f373ebb32b2a836b78f932fd436ec49a.exe	29
PID 740 wrote to memory of 604	740	f373ebb32b2a836b78f932fd436ec49a.exe	29
PID 740 wrote to memory of 896	740	f373ebb32b2a836b78f932fd436ec49a.exe	31
PID 740 wrote to memory of 896	740	f373ebb32b2a836b78f932fd436ec49a.exe	31
PID 740 wrote to memory of 896	740	f373ebb32b2a836b78f932fd436ec49a.exe	31
PID 740 wrote to memory of 896	740	f373ebb32b2a836b78f932fd436ec49a.exe	31
PID 1712 wrote to memory of 1752	1712	111.exe	34
PID 1712 wrote to memory of 1752	1712	111.exe	34
PID 1712 wrote to memory of 1752	1712	111.exe	34
PID 1712 wrote to memory of 1752	1712	111.exe	34

C:\Users\Admin\AppData\Local\Temp\f373ebb32b2a836b78f932fd436ec49a.exe
"C:\Users\Admin\AppData\Local\Temp\f373ebb32b2a836b78f932fd436ec49a.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:740
- C:\Users\Public\Videos\1643375820\7zz.exe
  "C:\Users\Public\Videos\1643375820\7zz.exe" X -ep2 C:\Users\Public\Videos\1643375820\1.rar C:\Users\Public\Videos\1643375820
  2⤵
  - Executes dropped EXE
  PID:604
- C:\Users\Public\Videos\1643375820\ojbkcg.exe
  "C:\Users\Public\Videos\1643375820\ojbkcg.exe" -a
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:896

C:\Users\Public\Documents\auto\111.exe
"C:\Users\Public\Documents\auto\111.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712
- C:\ProgramData\7z.exe
  "C:\ProgramData\7z.exe" x C:\ProgramData\bb.zip -oC:\Users\Admin\AppData\Roaming\Microsoft\Windows
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  PID:1752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/740-55-0x00000000763B1000-0x00000000763B3000-memory.dmp

Filesize
8KB

Download
memory/896-75-0x000007FEFC241000-0x000007FEFC243000-memory.dmp

Filesize
8KB

Download
memory/896-73-0x0000000001FF0000-0x0000000002865000-memory.dmp

Filesize
8.5MB

Download
memory/896-69-0x0000000180000000-0x00000001808AB000-memory.dmp

Filesize
8.7MB

Download