51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37

Analysis

max time kernel
41s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26/10/2022, 18:32

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General

Target

51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe
Size

18.5MB
MD5

7dd43adb41afb79874cd59d3e6f34fca
SHA1

ab0015017fe9a3160e56df076c2cd4259ad6be4a
SHA256

51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37
SHA512

3d1173ae4b06cd4a8d57302781cd6bda48e6986a441043ad706afb251f5eb5329097f532059783914e9c75e88e2926f111c96ae4244eaf06a5cea36f22691a8b
SSDEEP

393216:CXKJ6kX25OvBxB2He4OfHsofZx6Jk5+CN5xJWieHtuwtK3LFMQpugx0mXEVwo:UKxIKB2He7Xuy5+C7eN58ogx0mXEl

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1524	is-HB280.tmp

Loads dropped DLL 3 IoCs

pid	Process
1944	51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe
1524	is-HB280.tmp
1524	is-HB280.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 7 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1524	1944	51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe	27
PID 1944 wrote to memory of 1524	1944	51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe	27
PID 1944 wrote to memory of 1524	1944	51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe	27
PID 1944 wrote to memory of 1524	1944	51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe	27
PID 1944 wrote to memory of 1524	1944	51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe	27
PID 1944 wrote to memory of 1524	1944	51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe	27
PID 1944 wrote to memory of 1524	1944	51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe	27

C:\Users\Admin\AppData\Local\Temp\51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe
"C:\Users\Admin\AppData\Local\Temp\51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\is-H97ES.tmp\is-HB280.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-H97ES.tmp\is-HB280.tmp" /SL4 $60120 C:\Users\Admin\AppData\Local\Temp\51d31c665ebe95810fe002680a0c128ab17b7f80cc6a6060fe5264f57a815f37.exe 19094366 50688
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1524

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\is-H97ES.tmp\is-HB280.tmp

Filesize
575KB

MD5
f6486d55e4e322ab482ba81b3a40e0e9

SHA1
56e8492941956a91eeef77e966c9dafe024d75e5

SHA256
70a1954f0ebcf350acb7ecdce16bcddf3d3ade2b64d896bfb30195211435c3fb

SHA512
da78968044f1e15824a71483ebcbc49458ada917b6fa54aefeb4163023c85e0bc22d464a115c2cc8c3bf6adbb81dcdb6a8dd2b9d30782d684b90fc22536c6092

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H97ES.tmp\is-HB280.tmp

Filesize
575KB

MD5
f6486d55e4e322ab482ba81b3a40e0e9

SHA1
56e8492941956a91eeef77e966c9dafe024d75e5

SHA256
70a1954f0ebcf350acb7ecdce16bcddf3d3ade2b64d896bfb30195211435c3fb

SHA512
da78968044f1e15824a71483ebcbc49458ada917b6fa54aefeb4163023c85e0bc22d464a115c2cc8c3bf6adbb81dcdb6a8dd2b9d30782d684b90fc22536c6092

Download Submit
\Users\Admin\AppData\Local\Temp\is-6I6S8.tmp\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-6I6S8.tmp\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-H97ES.tmp\is-HB280.tmp

Filesize
575KB

MD5
f6486d55e4e322ab482ba81b3a40e0e9

SHA1
56e8492941956a91eeef77e966c9dafe024d75e5

SHA256
70a1954f0ebcf350acb7ecdce16bcddf3d3ade2b64d896bfb30195211435c3fb

SHA512
da78968044f1e15824a71483ebcbc49458ada917b6fa54aefeb4163023c85e0bc22d464a115c2cc8c3bf6adbb81dcdb6a8dd2b9d30782d684b90fc22536c6092

Download Submit
memory/1944-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1944-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1944-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download