59dbd2b3fc2459ee360cd5dc0386e0a75f43211c501fda713b88e61892f93959

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/01/2023, 19:33

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General

Target

recover_files_setup.exe
Size

1.2MB
MD5

5b556c86a73bcc96471d271ad5a88d9e
SHA1

8de13ac306d583595273ddfbfdde6988395382e9
SHA256

59dbd2b3fc2459ee360cd5dc0386e0a75f43211c501fda713b88e61892f93959
SHA512

f18987c9307b3e4a980bb6fc6cf0d036800806b6d441fad4926006c111225230690123db59675a46bbd0f4d4e872323af096ef9b902f27d8c5f274df8ceb8b98
SSDEEP

24576:Z2e4SjM611hN0w7vk41PM0lyJu15UbKbUuYnVlpnZZUqfY2Q6w+Pq7:Z2HSjr50wbk41PBEJOUbKuVzhA9S8

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1900	is-5333T.tmp

Loads dropped DLL 3 IoCs

pid	Process
656	recover_files_setup.exe
1900	is-5333T.tmp
1900	is-5333T.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 656 wrote to memory of 1900	656	recover_files_setup.exe	27
PID 656 wrote to memory of 1900	656	recover_files_setup.exe	27
PID 656 wrote to memory of 1900	656	recover_files_setup.exe	27
PID 656 wrote to memory of 1900	656	recover_files_setup.exe	27
PID 656 wrote to memory of 1900	656	recover_files_setup.exe	27
PID 656 wrote to memory of 1900	656	recover_files_setup.exe	27
PID 656 wrote to memory of 1900	656	recover_files_setup.exe	27

C:\Users\Admin\AppData\Local\Temp\recover_files_setup.exe
"C:\Users\Admin\AppData\Local\Temp\recover_files_setup.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:656
- C:\Users\Admin\AppData\Local\Temp\is-7CGAJ.tmp\is-5333T.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7CGAJ.tmp\is-5333T.tmp" /SL4 $70022 "C:\Users\Admin\AppData\Local\Temp\recover_files_setup.exe" 969553 52736
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1900

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-7CGAJ.tmp\is-5333T.tmp

Filesize
657KB

MD5
3dafb498bb15d5260cb2c12b391a0d48

SHA1
c775ae9fdf18ab0ce38a8adffabe378f461e79a1

SHA256
c5d5f5f814c5bc4989d691442051e5e78cf1971eb9b773a7a26b438e58a73d7a

SHA512
a42f39a73bd4615490c6e33c017fa09f9992e3327d244b050b6634ad696d421170fd63ec5d5e66e92d112dc804eabd0bcd56494c9499d78fad8b46fe2ef32a31

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7CGAJ.tmp\is-5333T.tmp

Filesize
657KB

MD5
3dafb498bb15d5260cb2c12b391a0d48

SHA1
c775ae9fdf18ab0ce38a8adffabe378f461e79a1

SHA256
c5d5f5f814c5bc4989d691442051e5e78cf1971eb9b773a7a26b438e58a73d7a

SHA512
a42f39a73bd4615490c6e33c017fa09f9992e3327d244b050b6634ad696d421170fd63ec5d5e66e92d112dc804eabd0bcd56494c9499d78fad8b46fe2ef32a31

Download Submit
\Users\Admin\AppData\Local\Temp\is-7CGAJ.tmp\is-5333T.tmp

Filesize
657KB

MD5
3dafb498bb15d5260cb2c12b391a0d48

SHA1
c775ae9fdf18ab0ce38a8adffabe378f461e79a1

SHA256
c5d5f5f814c5bc4989d691442051e5e78cf1971eb9b773a7a26b438e58a73d7a

SHA512
a42f39a73bd4615490c6e33c017fa09f9992e3327d244b050b6634ad696d421170fd63ec5d5e66e92d112dc804eabd0bcd56494c9499d78fad8b46fe2ef32a31

Download Submit
\Users\Admin\AppData\Local\Temp\is-FO0KO.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-FO0KO.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/656-54-0x0000000075131000-0x0000000075133000-memory.dmp

Filesize
8KB

Download
memory/656-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/656-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download