89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee

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
27/11/2022, 03:09

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General

Target

89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe
Size

3.6MB
MD5

cdda8bcfc813401ff18e9a765ee7cdc4
SHA1

c60f5fdc7b1ecd5112e91808d8756ee44c7b8bad
SHA256

89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee
SHA512

6d6827afc40fa6f9d9d15fded97db8e6cb80caa190a0b82d3ee7751239a54ba8cf6072fb275149ec47ccb303823fe98aec9b5d281ed0b58a54ba79e0063fccaa
SSDEEP

98304:wd1ogdGfEwjPXo62aS1n7+OD9bDbRo5rE7c8wGbBeJFf2xBR/OziYE:w1tdwLv2F1n7+OdX+547PfoFfEBxOM

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2040	is-7CK94.tmp

Loads dropped DLL 3 IoCs

pid	Process
1636	89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe
2040	is-7CK94.tmp
2040	is-7CK94.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 1636 wrote to memory of 2040	1636	89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe	28
PID 1636 wrote to memory of 2040	1636	89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe	28
PID 1636 wrote to memory of 2040	1636	89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe	28
PID 1636 wrote to memory of 2040	1636	89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe	28
PID 1636 wrote to memory of 2040	1636	89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe	28
PID 1636 wrote to memory of 2040	1636	89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe	28
PID 1636 wrote to memory of 2040	1636	89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe	28

C:\Users\Admin\AppData\Local\Temp\89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe
"C:\Users\Admin\AppData\Local\Temp\89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\is-3DE9G.tmp\is-7CK94.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-3DE9G.tmp\is-7CK94.tmp" /SL4 $60126 "C:\Users\Admin\AppData\Local\Temp\89f5711ec657db9eb7be7e13becd2da65825c0f213d03689a25ed3d38f4284ee.exe" 3521641 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2040

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-3DE9G.tmp\is-7CK94.tmp

Filesize
635KB

MD5
935bc16ec2e483a47f485227303c9282

SHA1
e9fd30d7c8f93dc86fb62d0b5dadaa89477109f4

SHA256
9331ae3847ead3d91037d173ecf019aa2ff2c66685363fffc54b26707e4039d7

SHA512
375cc329b1ee83d7438a3f5592af9cd169dec8b1b77dc52957138f1802fdfcc928d0f33155e8d767eb7049ad210743ce258b980f171ca5dc05fb16e5d7aa82fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3DE9G.tmp\is-7CK94.tmp

Filesize
635KB

MD5
935bc16ec2e483a47f485227303c9282

SHA1
e9fd30d7c8f93dc86fb62d0b5dadaa89477109f4

SHA256
9331ae3847ead3d91037d173ecf019aa2ff2c66685363fffc54b26707e4039d7

SHA512
375cc329b1ee83d7438a3f5592af9cd169dec8b1b77dc52957138f1802fdfcc928d0f33155e8d767eb7049ad210743ce258b980f171ca5dc05fb16e5d7aa82fe

Download Submit
\Users\Admin\AppData\Local\Temp\is-3DE9G.tmp\is-7CK94.tmp

Filesize
635KB

MD5
935bc16ec2e483a47f485227303c9282

SHA1
e9fd30d7c8f93dc86fb62d0b5dadaa89477109f4

SHA256
9331ae3847ead3d91037d173ecf019aa2ff2c66685363fffc54b26707e4039d7

SHA512
375cc329b1ee83d7438a3f5592af9cd169dec8b1b77dc52957138f1802fdfcc928d0f33155e8d767eb7049ad210743ce258b980f171ca5dc05fb16e5d7aa82fe

Download Submit
\Users\Admin\AppData\Local\Temp\is-SR6VT.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-SR6VT.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1636-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

Filesize
8KB

Download
memory/1636-55-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1636-64-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download