cf2bccb31721b9ef9efe982b0ecc5ca5cdecded9dffb5ba0d87a45356da110a5

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 09:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6752f4178a9554f8aed55982a9776838.exe
Size

10KB
MD5

6752f4178a9554f8aed55982a9776838
SHA1

11be215cbe3c3c037b38704875dc0160ed71ff5f
SHA256

cf2bccb31721b9ef9efe982b0ecc5ca5cdecded9dffb5ba0d87a45356da110a5
SHA512

42c147edb9cb4ee910c6a112f8084a9de4b4418d410c05adf768432f2422bfa51816950b0c389e5559709a3481b0a40fbb64bfd879304268cb4bbb84f5fc7030
SSDEEP

192:CDuFSHP37IQsDocCg3wPjdadrLVc7PG1KnoeSjKSBH1JXZl819/V3Z:4KSvrIQsD1APjdadrBEoHR1zl8b

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
3252	mduaeyk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1128-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/files/0x00080000000231f3-5.dat	upx
behavioral2/memory/1128-8-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/memory/3252-10-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mduaey.dll	6752f4178a9554f8aed55982a9776838.exe
File created	C:\Windows\SysWOW64\mduaeyk.exe	6752f4178a9554f8aed55982a9776838.exe
File opened for modification	C:\Windows\SysWOW64\mduaeyk.exe	6752f4178a9554f8aed55982a9776838.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 3252	1128	6752f4178a9554f8aed55982a9776838.exe	88
PID 1128 wrote to memory of 3252	1128	6752f4178a9554f8aed55982a9776838.exe	88
PID 1128 wrote to memory of 3252	1128	6752f4178a9554f8aed55982a9776838.exe	88
PID 1128 wrote to memory of 4748	1128	6752f4178a9554f8aed55982a9776838.exe	92
PID 1128 wrote to memory of 4748	1128	6752f4178a9554f8aed55982a9776838.exe	92
PID 1128 wrote to memory of 4748	1128	6752f4178a9554f8aed55982a9776838.exe	92

C:\Users\Admin\AppData\Local\Temp\6752f4178a9554f8aed55982a9776838.exe
"C:\Users\Admin\AppData\Local\Temp\6752f4178a9554f8aed55982a9776838.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Windows\SysWOW64\mduaeyk.exe
  C:\Windows\system32\mduaeyk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:3252
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\6752f4178a9554f8aed55982a9776838.exe.bat
  2⤵
  PID:4748

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\6752f4178a9554f8aed55982a9776838.exe.bat

Filesize
182B

MD5
c9c3b13441df428ba3444b661e36ab7f

SHA1
c62e5063da3b7121051909f2dacc7b10d5c220ea

SHA256
8814be29a650b4d906519834f5412907fb8b70d21be63c7f2eac21ab51007b15

SHA512
a1cf35148e5c26d6d322409441bf8ec2a13b159f42a804999ffd5ce512ecc1da5123504320689a4dc9a5e04bf601a9d25b8191663aaabba8ec5637c4fe1995da

Download Submit
C:\Windows\SysWOW64\mduaeyk.exe

Filesize
10KB

MD5
6752f4178a9554f8aed55982a9776838

SHA1
11be215cbe3c3c037b38704875dc0160ed71ff5f

SHA256
cf2bccb31721b9ef9efe982b0ecc5ca5cdecded9dffb5ba0d87a45356da110a5

SHA512
42c147edb9cb4ee910c6a112f8084a9de4b4418d410c05adf768432f2422bfa51816950b0c389e5559709a3481b0a40fbb64bfd879304268cb4bbb84f5fc7030

Download Submit
memory/1128-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1128-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3252-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download