493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202

Analysis

max time kernel
159s
max time network
194s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 16:09

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General

Target

493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe
Size

72KB
MD5

618597a8ea22d3c9b532c095556c6f59
SHA1

0aea6eafe3205fa86808872d98095a87493a1371
SHA256

493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202
SHA512

1ead288208c60a6ed2332cfec1b3ad616509e4efdb4e6e9966161c7f653e163fc287e4b23c50c3efc55f20effbb3238c9b797244e7f0a283f314f4290b10dda3
SSDEEP

1536:vprQDLIxIlNqR5AQqP5q3jAIs1oV8ERW7XS9qf+6N20:hrtxIlNq3Anhq3xs1oCERWTV+6Nd

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
992	winlogon.exe
1316	winlogon.exe

Loads dropped DLL 2 IoCs

pid	Process
556	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe
556	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winlogon.exe"	winlogon.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1128 set thread context of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 992 set thread context of 1316	992	winlogon.exe	30

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 AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe
Token: SeDebugPrivilege	992	winlogon.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 1128 wrote to memory of 556	1128	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	28
PID 556 wrote to memory of 992	556	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	29
PID 556 wrote to memory of 992	556	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	29
PID 556 wrote to memory of 992	556	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	29
PID 556 wrote to memory of 992	556	493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe	29
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30
PID 992 wrote to memory of 1316	992	winlogon.exe	30

C:\Users\Admin\AppData\Local\Temp\493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe
"C:\Users\Admin\AppData\Local\Temp\493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Users\Admin\AppData\Local\Temp\493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe
  "C:\Users\Admin\AppData\Local\Temp\493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:556
- - C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:992
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      PID:1316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe

Filesize
72KB

MD5
618597a8ea22d3c9b532c095556c6f59

SHA1
0aea6eafe3205fa86808872d98095a87493a1371

SHA256
493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202

SHA512
1ead288208c60a6ed2332cfec1b3ad616509e4efdb4e6e9966161c7f653e163fc287e4b23c50c3efc55f20effbb3238c9b797244e7f0a283f314f4290b10dda3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe

Filesize
72KB

MD5
618597a8ea22d3c9b532c095556c6f59

SHA1
0aea6eafe3205fa86808872d98095a87493a1371

SHA256
493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202

SHA512
1ead288208c60a6ed2332cfec1b3ad616509e4efdb4e6e9966161c7f653e163fc287e4b23c50c3efc55f20effbb3238c9b797244e7f0a283f314f4290b10dda3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe

Filesize
72KB

MD5
618597a8ea22d3c9b532c095556c6f59

SHA1
0aea6eafe3205fa86808872d98095a87493a1371

SHA256
493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202

SHA512
1ead288208c60a6ed2332cfec1b3ad616509e4efdb4e6e9966161c7f653e163fc287e4b23c50c3efc55f20effbb3238c9b797244e7f0a283f314f4290b10dda3

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe

Filesize
72KB

MD5
618597a8ea22d3c9b532c095556c6f59

SHA1
0aea6eafe3205fa86808872d98095a87493a1371

SHA256
493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202

SHA512
1ead288208c60a6ed2332cfec1b3ad616509e4efdb4e6e9966161c7f653e163fc287e4b23c50c3efc55f20effbb3238c9b797244e7f0a283f314f4290b10dda3

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe

Filesize
72KB

MD5
618597a8ea22d3c9b532c095556c6f59

SHA1
0aea6eafe3205fa86808872d98095a87493a1371

SHA256
493e3110e181ce76a00f5d56cac9cc4e6b0033f87e336e9d51d573a1e35e0202

SHA512
1ead288208c60a6ed2332cfec1b3ad616509e4efdb4e6e9966161c7f653e163fc287e4b23c50c3efc55f20effbb3238c9b797244e7f0a283f314f4290b10dda3

Download Submit
memory/556-77-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/556-59-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/556-62-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/556-63-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/556-66-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/556-70-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/556-56-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/556-74-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/556-57-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/556-60-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/556-61-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/992-84-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/992-97-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/1128-54-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download
memory/1128-75-0x0000000074BA0000-0x000000007514B000-memory.dmp

Filesize
5.7MB

Download
memory/1128-55-0x0000000074BA0000-0x000000007514B000-memory.dmp

Filesize
5.7MB

Download
memory/1316-96-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1316-99-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1316-100-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1316-101-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download