b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885

General

Target

b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe
Size

1.7MB
MD5

5f92644ffb9e99804e8f4d857698671c
SHA1

6202cb3b7ca43aa74186a35fff077af8dca2c218
SHA256

b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885
SHA512

6c06ffd3c6a418bb6e4618dc4704d3b2d7522932a6613e23e8feb3fad85ad4d9bbf82962c57ee11d07552c220f4c8b500fbba44e69ac55b258c13e8beb790453
SSDEEP

49152:y/acXOlrSXY4JzPzFZOPslLebA5rOYiZnJ:P8OlrSRKERebSivZnJ

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
436	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.tmp

Loads dropped DLL 3 IoCs

pid	Process
1696	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe
436	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.tmp
436	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.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
436	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.tmp
436	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 436	1696	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe	28
PID 1696 wrote to memory of 436	1696	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe	28
PID 1696 wrote to memory of 436	1696	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe	28
PID 1696 wrote to memory of 436	1696	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe	28
PID 1696 wrote to memory of 436	1696	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe	28
PID 1696 wrote to memory of 436	1696	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe	28
PID 1696 wrote to memory of 436	1696	b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe	28

C:\Users\Admin\AppData\Local\Temp\b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe
"C:\Users\Admin\AppData\Local\Temp\b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Users\Admin\AppData\Local\Temp\is-C9RVR.tmp\b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-C9RVR.tmp\b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.tmp" /SL5="$A0122,1064361,70144,C:\Users\Admin\AppData\Local\Temp\b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:436

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-C9RVR.tmp\b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.tmp

Filesize
1.2MB

MD5
e7106fbf42fbc6d5b08a18ada4f781b4

SHA1
36d4a629f79d772c0b0df8bd2ae2ea09108d239d

SHA256
64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

SHA512
adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-C9RVR.tmp\b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.tmp

Filesize
1.2MB

MD5
e7106fbf42fbc6d5b08a18ada4f781b4

SHA1
36d4a629f79d772c0b0df8bd2ae2ea09108d239d

SHA256
64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

SHA512
adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

Download Submit
\Users\Admin\AppData\Local\Temp\is-9VAT0.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-9VAT0.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-C9RVR.tmp\b0003c3787651e1181cff626a0ba34d994c7552737495301d0cf835f705ff885.tmp

Filesize
1.2MB

MD5
e7106fbf42fbc6d5b08a18ada4f781b4

SHA1
36d4a629f79d772c0b0df8bd2ae2ea09108d239d

SHA256
64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

SHA512
adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

Download Submit
memory/1696-54-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1696-55-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1696-57-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

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