75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146

Analysis

max time kernel
182s
max time network
197s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 01:04

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General

Target

75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe
Size

205KB
MD5

019dd6b43e539bb7161ba0c9e43a43e0
SHA1

e8b8a0cbdd33edcb915af4d881659fced66863b0
SHA256

75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146
SHA512

6c7f411a92ea59635dcf95a3430cdfbfbe77634b7c5d58488eece1d18be8d3736cdea82e5f65eccfeb145a23c28ec7a94f7558a77e388d37e56cf6b448a99a16
SSDEEP

3072:IVHgCc4xGvbwcU9KQ2BBAHmaPxiVoIb5EL:VCc4xGxWKQ2Bonxj

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1072	jusched.exe

Loads dropped DLL 2 IoCs

pid	Process
940	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe
940	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\eb65d4c2\jusched.exe	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe
File created	C:\Program Files (x86)\eb65d4c2\eb65d4c2	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe

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 940 wrote to memory of 1072	940	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe	28
PID 940 wrote to memory of 1072	940	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe	28
PID 940 wrote to memory of 1072	940	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe	28
PID 940 wrote to memory of 1072	940	75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe	28

C:\Users\Admin\AppData\Local\Temp\75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe
"C:\Users\Admin\AppData\Local\Temp\75fbbde016bc886ed22feeb18e443d15b76717857861c23d8f6ac39778c66146.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:940
- C:\Program Files (x86)\eb65d4c2\jusched.exe
  "C:\Program Files (x86)\eb65d4c2\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:1072

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\eb65d4c2\eb65d4c2

Filesize
17B

MD5
134c1d489094d6d3399f65b0e9aebc1f

SHA1
612a57fbe6ed3ab9c15b39451171d813314a28d5

SHA256
54f9150d1268f7b4b83dd9fc3ec32274bf749715a5806ff3ca5262f5427d6781

SHA512
b09bf60e4850d05261d81a124a647dd111f42480224eae8a3bd2f64736c38119953703f868ad34194a7ae6dad6aabff4081ba73df262bbe9f5327867c56a48ed

Download Submit
C:\Program Files (x86)\eb65d4c2\jusched.exe

Filesize
205KB

MD5
38a554dd70b263d66afa3bcbaf1b1e50

SHA1
5a9d23da4e160121ca1894057b41a8b4ddf3319f

SHA256
0fa1b38dcb9e44ca58bbc4469dd0cfbd8cc937c7a89e30d8397b75d57d3e5dbb

SHA512
5245dc821c0672ba859e688c7e000aeb92438ab70bbbb9f2115596c83b0404a127d4da1dc1a683b817f6cee1bfa8c9d96e6e24cd1dfcf6d619e3f799704c0ec3

Download Submit
\Program Files (x86)\eb65d4c2\jusched.exe

Filesize
205KB

MD5
38a554dd70b263d66afa3bcbaf1b1e50

SHA1
5a9d23da4e160121ca1894057b41a8b4ddf3319f

SHA256
0fa1b38dcb9e44ca58bbc4469dd0cfbd8cc937c7a89e30d8397b75d57d3e5dbb

SHA512
5245dc821c0672ba859e688c7e000aeb92438ab70bbbb9f2115596c83b0404a127d4da1dc1a683b817f6cee1bfa8c9d96e6e24cd1dfcf6d619e3f799704c0ec3

Download Submit
\Program Files (x86)\eb65d4c2\jusched.exe

Filesize
205KB

MD5
38a554dd70b263d66afa3bcbaf1b1e50

SHA1
5a9d23da4e160121ca1894057b41a8b4ddf3319f

SHA256
0fa1b38dcb9e44ca58bbc4469dd0cfbd8cc937c7a89e30d8397b75d57d3e5dbb

SHA512
5245dc821c0672ba859e688c7e000aeb92438ab70bbbb9f2115596c83b0404a127d4da1dc1a683b817f6cee1bfa8c9d96e6e24cd1dfcf6d619e3f799704c0ec3

Download Submit
memory/940-54-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/940-55-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/940-56-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/940-61-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1072-62-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download