b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3

General

Target

b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe
Size

169KB
MD5

627e55ad2eb61369511b9a5cfa717468
SHA1

320c4f96b71f4e9adb8f0e5c6bf4eb6e4c7cc4dc
SHA256

b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3
SHA512

a4cafc01b06c70987afc9eca0eeb3c0a03711670e93a48e26e7eb8d7962095b3d465b6a097cd221fe54870bf0ccb395582b0f0404601a120de54b15ff6e1d466

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

winoexc.exe

pid process

888 winoexc.exe

pid	process
888	winoexc.exe

Loads dropped DLL 2 IoCs

Processes:

b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe

pid	process
1824	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe
1824	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update 7080607400 = "C:\\Windows\\2057212419902154\\winoexc.exe"	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update 7080607400 = "C:\\Windows\\2057212419902154\\winoexc.exe"	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe

Drops file in Windows directory 3 IoCs

Processes:

b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe

description	ioc	process
File created	C:\Windows\2057212419902154\winoexc.exe	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe
File opened for modification	C:\Windows\2057212419902154\winoexc.exe	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe
File opened for modification	C:\Windows\2057212419902154	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe

description	pid	process	target process
PID 1824 wrote to memory of 888	1824	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe	winoexc.exe
PID 1824 wrote to memory of 888	1824	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe	winoexc.exe
PID 1824 wrote to memory of 888	1824	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe	winoexc.exe
PID 1824 wrote to memory of 888	1824	b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe	winoexc.exe

C:\Users\Admin\AppData\Local\Temp\b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe
"C:\Users\Admin\AppData\Local\Temp\b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\2057212419902154\winoexc.exe
  C:\Windows\2057212419902154\winoexc.exe
  2⤵
  - Executes dropped EXE
  PID:888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\2057212419902154\winoexc.exe

Filesize
169KB

MD5
627e55ad2eb61369511b9a5cfa717468

SHA1
320c4f96b71f4e9adb8f0e5c6bf4eb6e4c7cc4dc

SHA256
b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3

SHA512
a4cafc01b06c70987afc9eca0eeb3c0a03711670e93a48e26e7eb8d7962095b3d465b6a097cd221fe54870bf0ccb395582b0f0404601a120de54b15ff6e1d466

Download Submit
\Windows\2057212419902154\winoexc.exe

Filesize
169KB

MD5
627e55ad2eb61369511b9a5cfa717468

SHA1
320c4f96b71f4e9adb8f0e5c6bf4eb6e4c7cc4dc

SHA256
b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3

SHA512
a4cafc01b06c70987afc9eca0eeb3c0a03711670e93a48e26e7eb8d7962095b3d465b6a097cd221fe54870bf0ccb395582b0f0404601a120de54b15ff6e1d466

Download Submit
\Windows\2057212419902154\winoexc.exe

Filesize
169KB

MD5
627e55ad2eb61369511b9a5cfa717468

SHA1
320c4f96b71f4e9adb8f0e5c6bf4eb6e4c7cc4dc

SHA256
b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3

SHA512
a4cafc01b06c70987afc9eca0eeb3c0a03711670e93a48e26e7eb8d7962095b3d465b6a097cd221fe54870bf0ccb395582b0f0404601a120de54b15ff6e1d466

Download Submit
memory/888-60-0x0000000000000000-mapping.dmp

Download
memory/888-62-0x0000000000A32000-0x0000000000A36000-memory.dmp

Filesize
16KB

Download
memory/888-64-0x0000000000A32000-0x0000000000A36000-memory.dmp

Filesize
16KB

Download
memory/888-65-0x0000000000400000-0x000000000083A000-memory.dmp

Filesize
4.2MB

Download
memory/1824-54-0x00000000008E2000-0x00000000008E6000-memory.dmp

Filesize
16KB

Download
memory/1824-55-0x0000000075741000-0x0000000075743000-memory.dmp

Filesize
8KB

Download
memory/1824-56-0x00000000008E2000-0x00000000008E6000-memory.dmp

Filesize
16KB

Download
memory/1824-57-0x0000000000400000-0x000000000083A000-memory.dmp

Filesize
4.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads