21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/01/2023, 18:48

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General

Target

21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.exe
Size

15.6MB
MD5

f6fae951af7af4e62ced61b615707cd9
SHA1

2792901241369471e7601ad770928fed5126ee80
SHA256

21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0
SHA512

dc9df2f2ab39b0888fca1995ca2fd038b7ab35ec99593b89c8c1f49db3e789ab5796f5ff9f52df9475401a398f813deea1b528132b885f2a798c5a84429ab368
SSDEEP

393216:ywravcryfWdwvn+KkC9gTdlZTIYH4l0PpEf+EwZqCg:yWakry4Uk/RPHYl6pEiZqCg

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1152	21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.tmp

Loads dropped DLL 3 IoCs

pid	Process
1496	21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.exe
1152	21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.tmp
1152	21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.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 1496 wrote to memory of 1152	1496	21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.exe	27
PID 1496 wrote to memory of 1152	1496	21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.exe	27
PID 1496 wrote to memory of 1152	1496	21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.exe	27
PID 1496 wrote to memory of 1152	1496	21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.exe	27

C:\Users\Admin\AppData\Local\Temp\21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.exe
"C:\Users\Admin\AppData\Local\Temp\21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Users\Admin\AppData\Local\Temp\is-5GD4B.tmp\21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-5GD4B.tmp\21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.tmp" /SL5="$A0122,16129949,52224,C:\Users\Admin\AppData\Local\Temp\21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1152

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-5GD4B.tmp\21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.tmp

Filesize
660KB

MD5
2e33c302eabceb5f675129a82f1e1326

SHA1
5890daad301873089345a814d696c31ba5fe5330

SHA256
2cd3c5f925efbb379d42d4315c19f93e36921506ae990860c5d1008258fc8d7e

SHA512
aeb22a8671c5d04910755a9c3cbc65fb28c2fea8d2c45fb2e9acc7d162d96738691cd3778f8fa6a3d21e4e6afa4f2d97fcfc9787f72e973a6d4c7f1eb81600f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5GD4B.tmp\21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.tmp

Filesize
660KB

MD5
2e33c302eabceb5f675129a82f1e1326

SHA1
5890daad301873089345a814d696c31ba5fe5330

SHA256
2cd3c5f925efbb379d42d4315c19f93e36921506ae990860c5d1008258fc8d7e

SHA512
aeb22a8671c5d04910755a9c3cbc65fb28c2fea8d2c45fb2e9acc7d162d96738691cd3778f8fa6a3d21e4e6afa4f2d97fcfc9787f72e973a6d4c7f1eb81600f5

Download Submit
\Users\Admin\AppData\Local\Temp\is-2HU3L.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-2HU3L.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-5GD4B.tmp\21f0d3d5e28153452ebad8ff4c7b8701097bcae091ba85cc3ca619a6fa9fa6b0.tmp

Filesize
660KB

MD5
2e33c302eabceb5f675129a82f1e1326

SHA1
5890daad301873089345a814d696c31ba5fe5330

SHA256
2cd3c5f925efbb379d42d4315c19f93e36921506ae990860c5d1008258fc8d7e

SHA512
aeb22a8671c5d04910755a9c3cbc65fb28c2fea8d2c45fb2e9acc7d162d96738691cd3778f8fa6a3d21e4e6afa4f2d97fcfc9787f72e973a6d4c7f1eb81600f5

Download Submit
memory/1496-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1496-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1496-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download