81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf

Analysis

max time kernel
39s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 12:19

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General

Target

81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe
Size

1.6MB
MD5

59813610299f878e8a5fc7e58a08daba
SHA1

b16939964beae1239a75cd78d9925936c2c5cc5d
SHA256

81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf
SHA512

7f8c9aa41bd2a7ed7eb4c603bd834b7a42a5d1840da2d035cd9c205a987cc2acaab86b22b06672f7dc8a064928c9b30d908fea6f8dee478ec5c1962be39af8da
SSDEEP

24576:AfOyBuBRbCN8jvjjdzVQnypHh2mLRxAYgHVwEENqRNZfCdWU0g8EjFyUmfeW+yP7:AG5RbQ8jvjPQnE2uIZHF5RnCd818O37

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1296	is-F7HG1.tmp

Loads dropped DLL 3 IoCs

pid	Process
1496	81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe
1296	is-F7HG1.tmp
1296	is-F7HG1.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 1496 wrote to memory of 1296	1496	81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe	27
PID 1496 wrote to memory of 1296	1496	81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe	27
PID 1496 wrote to memory of 1296	1496	81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe	27
PID 1496 wrote to memory of 1296	1496	81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe	27
PID 1496 wrote to memory of 1296	1496	81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe	27
PID 1496 wrote to memory of 1296	1496	81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe	27
PID 1496 wrote to memory of 1296	1496	81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe	27

C:\Users\Admin\AppData\Local\Temp\81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe
"C:\Users\Admin\AppData\Local\Temp\81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Users\Admin\AppData\Local\Temp\is-B102N.tmp\is-F7HG1.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-B102N.tmp\is-F7HG1.tmp" /SL4 $60124 "C:\Users\Admin\AppData\Local\Temp\81c24b6e730910ad02ab4b56826b2256c6d4a6623cdd9fe6c42c6655126526cf.exe" 1418092 52736
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1296

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-B102N.tmp\is-F7HG1.tmp

Filesize
658KB

MD5
f627721a34c13a5307779a498e8f6519

SHA1
9e54ec07e780eb1ccbbd61bb1a24238e46c01e18

SHA256
13c6a795a259a9731d5c00f35e6eeeeae840423d3e1783fd6c75509a3b7cb348

SHA512
c2dc88b441539b8827f0ef2a4c6b404cebaa5452d884d0174a2447347a462552f47a9d6521ecfa660cd9f0e0771fc192438865dcda305ab373c6f9a0c694aecc

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-B102N.tmp\is-F7HG1.tmp

Filesize
658KB

MD5
f627721a34c13a5307779a498e8f6519

SHA1
9e54ec07e780eb1ccbbd61bb1a24238e46c01e18

SHA256
13c6a795a259a9731d5c00f35e6eeeeae840423d3e1783fd6c75509a3b7cb348

SHA512
c2dc88b441539b8827f0ef2a4c6b404cebaa5452d884d0174a2447347a462552f47a9d6521ecfa660cd9f0e0771fc192438865dcda305ab373c6f9a0c694aecc

Download Submit
\Users\Admin\AppData\Local\Temp\is-B102N.tmp\is-F7HG1.tmp

Filesize
658KB

MD5
f627721a34c13a5307779a498e8f6519

SHA1
9e54ec07e780eb1ccbbd61bb1a24238e46c01e18

SHA256
13c6a795a259a9731d5c00f35e6eeeeae840423d3e1783fd6c75509a3b7cb348

SHA512
c2dc88b441539b8827f0ef2a4c6b404cebaa5452d884d0174a2447347a462552f47a9d6521ecfa660cd9f0e0771fc192438865dcda305ab373c6f9a0c694aecc

Download Submit
\Users\Admin\AppData\Local\Temp\is-D7EJA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-D7EJA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1496-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1496-55-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1496-64-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download