f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00

Analysis

max time kernel
40s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 08:57

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General

Target

f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00.exe
Size

3.4MB
MD5

515362277dd9b0db6b22b1f6f6ffdbdd
SHA1

ce84aef8118581727fefbd988ee0c27db0e3e280
SHA256

f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00
SHA512

da735c881273d3adbee18d900f8827af0947cab4d1f04f9045d518366d809f5430abe120d11d6f2fb22a767012074be42bc0b75133ae20abcffee650439d9f72
SSDEEP

98304:codCSwTyqo+ceuwzK++ApMrzZc2RHXhARh3eVyLEUXFh1PVfBUvS:zdC7TyXXH6kh6h3mEVh1Fmq

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
860	INS2241.tmp

Loads dropped DLL 5 IoCs

pid	Process
1636	f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00.exe
1636	f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00.exe
860	INS2241.tmp
860	INS2241.tmp
860	INS2241.tmp

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 WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 860	1636	f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00.exe	27
PID 1636 wrote to memory of 860	1636	f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00.exe	27
PID 1636 wrote to memory of 860	1636	f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00.exe	27
PID 1636 wrote to memory of 860	1636	f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00.exe	27

C:\Users\Admin\AppData\Local\Temp\f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00.exe
"C:\Users\Admin\AppData\Local\Temp\f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\INS2241.tmp
  C:\Users\Admin\AppData\Local\Temp\INS2241.tmp /SL3 $80120 C:\Users\Admin\AppData\Local\Temp\f01c499430d121185bb3d80208796c3d0b3e68482ff323c2819f6ed60b9cda00.exe 3517755 3521188 61440
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:860

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\INS2241.tmp

Filesize
510KB

MD5
191933112bf619537981d42c851e9b75

SHA1
159c542982c643ffaa6e5a0a610ee5b1b2baa85a

SHA256
686419ec822d5d3f38a1422d3813c17452cedfa532eefe328122530a5005e9fc

SHA512
9cbb4d34e92cf0860e18a5f2f3251c78c4392eace3050b666f2d001ca82348882005512cf0ca068aaaa2b47bbdbaca8e8e47e7ea907152074b1c1f1e49078df7

Download Submit
\Users\Admin\AppData\Local\Temp\INS2241.tmp

Filesize
510KB

MD5
191933112bf619537981d42c851e9b75

SHA1
159c542982c643ffaa6e5a0a610ee5b1b2baa85a

SHA256
686419ec822d5d3f38a1422d3813c17452cedfa532eefe328122530a5005e9fc

SHA512
9cbb4d34e92cf0860e18a5f2f3251c78c4392eace3050b666f2d001ca82348882005512cf0ca068aaaa2b47bbdbaca8e8e47e7ea907152074b1c1f1e49078df7

Download Submit
\Users\Admin\AppData\Local\Temp\INS2241.tmp

Filesize
510KB

MD5
191933112bf619537981d42c851e9b75

SHA1
159c542982c643ffaa6e5a0a610ee5b1b2baa85a

SHA256
686419ec822d5d3f38a1422d3813c17452cedfa532eefe328122530a5005e9fc

SHA512
9cbb4d34e92cf0860e18a5f2f3251c78c4392eace3050b666f2d001ca82348882005512cf0ca068aaaa2b47bbdbaca8e8e47e7ea907152074b1c1f1e49078df7

Download Submit
\Users\Admin\AppData\Local\Temp\is-54TJH.tmp\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-54TJH.tmp\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-54TJH.tmp\bundles.dll

Filesize
493KB

MD5
991fd8b4c064481c93feb8441774c749

SHA1
85ad933b24d04286ef19b52a4fff8bf16c9a1d37

SHA256
05482f78bab36c2257428b47bc6af442619ba10f5693d6788d6b314caa18ac48

SHA512
236d9ce1d908a179d35ab6729c927392a20de59240ac4167c0c7a94717d92c9432a16d5630aa78a607a3d5a1ffa85af425dabe3887e5f62add49df4e00317051

Download Submit
memory/860-58-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/860-62-0x0000000002C81000-0x0000000002CE6000-memory.dmp

Filesize
404KB

Download