231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81

General

Target

231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe
Size

1.6MB
MD5

f2f2220026374b42ab899d35a232c8a1
SHA1

37a2e857e870ec16e3edd3ae7f145ab44d3a7740
SHA256

231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81
SHA512

386b4d3592f8e4237e69dc33693767e258bf77d8fd48dfb2f82802e322accd3664e6cb5665bfc3ddb0c27d98599898cc2e5197e564dcff32e97003ffc397db40
SSDEEP

49152:9CK2Sd9BhTQt69OFvodtW9PQBebA5rOYiZnl:9CK2QktbQdg9oBebSivZnl

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1896	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.tmp

Loads dropped DLL 3 IoCs

pid	Process
880	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe
1896	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.tmp
1896	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.tmp

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 2 IoCs

pid	Process
1896	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.tmp
1896	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 1896	880	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe	27
PID 880 wrote to memory of 1896	880	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe	27
PID 880 wrote to memory of 1896	880	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe	27
PID 880 wrote to memory of 1896	880	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe	27
PID 880 wrote to memory of 1896	880	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe	27
PID 880 wrote to memory of 1896	880	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe	27
PID 880 wrote to memory of 1896	880	231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe	27

C:\Users\Admin\AppData\Local\Temp\231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe
"C:\Users\Admin\AppData\Local\Temp\231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:880
- C:\Users\Admin\AppData\Local\Temp\is-USCNP.tmp\231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-USCNP.tmp\231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.tmp" /SL5="$80124,987550,70144,C:\Users\Admin\AppData\Local\Temp\231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\is-USCNP.tmp\231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.tmp

Filesize
1.2MB

MD5
e7106fbf42fbc6d5b08a18ada4f781b4

SHA1
36d4a629f79d772c0b0df8bd2ae2ea09108d239d

SHA256
64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

SHA512
adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-USCNP.tmp\231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.tmp

Filesize
1.2MB

MD5
e7106fbf42fbc6d5b08a18ada4f781b4

SHA1
36d4a629f79d772c0b0df8bd2ae2ea09108d239d

SHA256
64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

SHA512
adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

Download Submit
\Users\Admin\AppData\Local\Temp\is-9R366.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-9R366.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-USCNP.tmp\231636257ba64bc929e5320add7efac13ad872c218a0d67dbf900827724b1f81.tmp

Filesize
1.2MB

MD5
e7106fbf42fbc6d5b08a18ada4f781b4

SHA1
36d4a629f79d772c0b0df8bd2ae2ea09108d239d

SHA256
64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

SHA512
adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

Download Submit
memory/880-54-0x0000000076871000-0x0000000076873000-memory.dmp

Filesize
8KB

Download
memory/880-55-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/880-64-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing