bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a

Analysis

max time kernel
142s
max time network
153s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 06:13

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe
Size

44KB
MD5

f324acee017440c3651609875210e63e
SHA1

b56a0f5eb61506d304809390ce96f2de997b60a2
SHA256

bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a
SHA512

88372b79d97e96e74c891607a2376aaba8943fbd145bca1954c824e721ab4fb73f7593a473834d2800f1ec14ee3b0513360eb40ac401764bc3a4380560144be2
SSDEEP

768:sOOAFJSQGO+upoVDDvvAXPJPvEuOSx7DPeI:POAF8QzoV3wXRPvEn

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
940	winlogon.exe
1732	winlogon.exe
816	winlogon.exe
1968	winlogon.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2032-55-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2032-57-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2032-58-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2032-61-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2032-62-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2032-70-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/1732-85-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/1732-93-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
2032	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe
2032	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 784 set thread context of 2032	784	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	26
PID 940 set thread context of 1732	940	winlogon.exe	28
PID 1732 set thread context of 816	1732	winlogon.exe	31
PID 1732 set thread context of 1968	1732	winlogon.exe	32

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2032	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe
1732	winlogon.exe
816	winlogon.exe
1968	winlogon.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 784 wrote to memory of 2032	784	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	26
PID 784 wrote to memory of 2032	784	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	26
PID 784 wrote to memory of 2032	784	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	26
PID 784 wrote to memory of 2032	784	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	26
PID 784 wrote to memory of 2032	784	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	26
PID 784 wrote to memory of 2032	784	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	26
PID 784 wrote to memory of 2032	784	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	26
PID 2032 wrote to memory of 940	2032	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	27
PID 2032 wrote to memory of 940	2032	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	27
PID 2032 wrote to memory of 940	2032	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	27
PID 2032 wrote to memory of 940	2032	bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe	27
PID 940 wrote to memory of 1732	940	winlogon.exe	28
PID 940 wrote to memory of 1732	940	winlogon.exe	28
PID 940 wrote to memory of 1732	940	winlogon.exe	28
PID 940 wrote to memory of 1732	940	winlogon.exe	28
PID 940 wrote to memory of 1732	940	winlogon.exe	28
PID 940 wrote to memory of 1732	940	winlogon.exe	28
PID 940 wrote to memory of 1732	940	winlogon.exe	28
PID 1732 wrote to memory of 816	1732	winlogon.exe	31
PID 1732 wrote to memory of 816	1732	winlogon.exe	31
PID 1732 wrote to memory of 816	1732	winlogon.exe	31
PID 1732 wrote to memory of 816	1732	winlogon.exe	31
PID 1732 wrote to memory of 816	1732	winlogon.exe	31
PID 1732 wrote to memory of 816	1732	winlogon.exe	31
PID 1732 wrote to memory of 816	1732	winlogon.exe	31
PID 1732 wrote to memory of 816	1732	winlogon.exe	31
PID 1732 wrote to memory of 816	1732	winlogon.exe	31
PID 1732 wrote to memory of 1968	1732	winlogon.exe	32
PID 1732 wrote to memory of 1968	1732	winlogon.exe	32
PID 1732 wrote to memory of 1968	1732	winlogon.exe	32
PID 1732 wrote to memory of 1968	1732	winlogon.exe	32
PID 1732 wrote to memory of 1968	1732	winlogon.exe	32
PID 1732 wrote to memory of 1968	1732	winlogon.exe	32
PID 1732 wrote to memory of 1968	1732	winlogon.exe	32
PID 1732 wrote to memory of 1968	1732	winlogon.exe	32
PID 1732 wrote to memory of 1968	1732	winlogon.exe	32

C:\Users\Admin\AppData\Local\Temp\bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe
"C:\Users\Admin\AppData\Local\Temp\bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:784
- C:\Users\Admin\AppData\Local\Temp\bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe
  C:\Users\Admin\AppData\Local\Temp\bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a.exe
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Users\Admin\E696D64614\winlogon.exe
    "C:\Users\Admin\E696D64614\winlogon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:940
  - - C:\Users\Admin\E696D64614\winlogon.exe
      C:\Users\Admin\E696D64614\winlogon.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1732
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:816
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:1968

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\E696D64614\winlogon.exe

Filesize
44KB

MD5
f324acee017440c3651609875210e63e

SHA1
b56a0f5eb61506d304809390ce96f2de997b60a2

SHA256
bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a

SHA512
88372b79d97e96e74c891607a2376aaba8943fbd145bca1954c824e721ab4fb73f7593a473834d2800f1ec14ee3b0513360eb40ac401764bc3a4380560144be2

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
44KB

MD5
f324acee017440c3651609875210e63e

SHA1
b56a0f5eb61506d304809390ce96f2de997b60a2

SHA256
bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a

SHA512
88372b79d97e96e74c891607a2376aaba8943fbd145bca1954c824e721ab4fb73f7593a473834d2800f1ec14ee3b0513360eb40ac401764bc3a4380560144be2

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
44KB

MD5
f324acee017440c3651609875210e63e

SHA1
b56a0f5eb61506d304809390ce96f2de997b60a2

SHA256
bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a

SHA512
88372b79d97e96e74c891607a2376aaba8943fbd145bca1954c824e721ab4fb73f7593a473834d2800f1ec14ee3b0513360eb40ac401764bc3a4380560144be2

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
44KB

MD5
f324acee017440c3651609875210e63e

SHA1
b56a0f5eb61506d304809390ce96f2de997b60a2

SHA256
bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a

SHA512
88372b79d97e96e74c891607a2376aaba8943fbd145bca1954c824e721ab4fb73f7593a473834d2800f1ec14ee3b0513360eb40ac401764bc3a4380560144be2

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
44KB

MD5
f324acee017440c3651609875210e63e

SHA1
b56a0f5eb61506d304809390ce96f2de997b60a2

SHA256
bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a

SHA512
88372b79d97e96e74c891607a2376aaba8943fbd145bca1954c824e721ab4fb73f7593a473834d2800f1ec14ee3b0513360eb40ac401764bc3a4380560144be2

Download Submit
\Users\Admin\E696D64614\winlogon.exe

Filesize
44KB

MD5
f324acee017440c3651609875210e63e

SHA1
b56a0f5eb61506d304809390ce96f2de997b60a2

SHA256
bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a

SHA512
88372b79d97e96e74c891607a2376aaba8943fbd145bca1954c824e721ab4fb73f7593a473834d2800f1ec14ee3b0513360eb40ac401764bc3a4380560144be2

Download Submit
\Users\Admin\E696D64614\winlogon.exe

Filesize
44KB

MD5
f324acee017440c3651609875210e63e

SHA1
b56a0f5eb61506d304809390ce96f2de997b60a2

SHA256
bd07d46f522904a5af306afbffd9e95aafa87ff74f8c04343bc8ff51efc4b41a

SHA512
88372b79d97e96e74c891607a2376aaba8943fbd145bca1954c824e721ab4fb73f7593a473834d2800f1ec14ee3b0513360eb40ac401764bc3a4380560144be2

Download Submit
memory/816-86-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/816-92-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/1732-85-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1732-93-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1968-101-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/1968-100-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/2032-58-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2032-54-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2032-57-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2032-62-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2032-61-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2032-65-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/2032-55-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2032-70-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download