110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:50

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General

Target

110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.exe
Size

18KB
MD5

2bafc99b1f149a88044963b577385f3b
SHA1

01e9d48f78fee3d507f61f22de55c71cb85b7b9d
SHA256

110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced
SHA512

5c8f8152df5c7fdde1523dfed637ef2e40b66a2e9b1ae9994024602c95f2559cfb68a444c0ea191571314088a754319f853a9182527c7f3ad7313a14a6aedc5b
SSDEEP

192:BE99B9FDBX6VQUesOrVHGiKbrhpoyE+Q1H638I9+51Op:BEdDt6yUes8VmfID+Q1H63Vzp

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

rifws.exe

pid process

1768 rifws.exe
Deletes itself 1 IoCs

Processes:

rifws.exe

pid process

1768 rifws.exe

pid	process
1768	rifws.exe

pid	process
1768	rifws.exe

Loads dropped DLL 2 IoCs

Processes:

110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.exe

pid	process
532	110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.exe
532	110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.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

Processes:

110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.exe

description	pid	process	target process
PID 532 wrote to memory of 1768	532	110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.exe	rifws.exe
PID 532 wrote to memory of 1768	532	110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.exe	rifws.exe
PID 532 wrote to memory of 1768	532	110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.exe	rifws.exe
PID 532 wrote to memory of 1768	532	110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.exe	rifws.exe

C:\Users\Admin\AppData\Local\Temp\110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.exe
"C:\Users\Admin\AppData\Local\Temp\110dc2cdabc3ffcc924312b44e025072ec2641bf55bdcc8abdc426ddd9e8eced.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:532

C:\Users\Admin\AppData\Local\Temp\rifws.exe
"C:\Users\Admin\AppData\Local\Temp\rifws.exe"
2⤵
- Executes dropped EXE
- Deletes itself
PID:1768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\rifws.exe
Filesize
18KB

MD5
ef564ae9a091974a2b347e5bbf9d3ee4

SHA1
edef201c1faf26f2669bd423e1b386896ec61acc

SHA256
92f336d09b02597ad06d545e8190a03568e2760da7a13286e17098e97ffda8a1

SHA512
9f685280f2577969238c537173da6506b9b0533bdae75c48281863065b6f9f27d85f1f90075c73966a26b92ce64f9539f6a6dfa40ddc649b151a80f7fda0611f

Download Submit
C:\Users\Admin\AppData\Local\Temp\rifws.exe
Filesize
18KB

MD5
ef564ae9a091974a2b347e5bbf9d3ee4

SHA1
edef201c1faf26f2669bd423e1b386896ec61acc

SHA256
92f336d09b02597ad06d545e8190a03568e2760da7a13286e17098e97ffda8a1

SHA512
9f685280f2577969238c537173da6506b9b0533bdae75c48281863065b6f9f27d85f1f90075c73966a26b92ce64f9539f6a6dfa40ddc649b151a80f7fda0611f

Download Submit
\Users\Admin\AppData\Local\Temp\rifws.exe
Filesize
18KB

MD5
ef564ae9a091974a2b347e5bbf9d3ee4

SHA1
edef201c1faf26f2669bd423e1b386896ec61acc

SHA256
92f336d09b02597ad06d545e8190a03568e2760da7a13286e17098e97ffda8a1

SHA512
9f685280f2577969238c537173da6506b9b0533bdae75c48281863065b6f9f27d85f1f90075c73966a26b92ce64f9539f6a6dfa40ddc649b151a80f7fda0611f

Download Submit
\Users\Admin\AppData\Local\Temp\rifws.exe
Filesize
18KB

MD5
ef564ae9a091974a2b347e5bbf9d3ee4

SHA1
edef201c1faf26f2669bd423e1b386896ec61acc

SHA256
92f336d09b02597ad06d545e8190a03568e2760da7a13286e17098e97ffda8a1

SHA512
9f685280f2577969238c537173da6506b9b0533bdae75c48281863065b6f9f27d85f1f90075c73966a26b92ce64f9539f6a6dfa40ddc649b151a80f7fda0611f

Download Submit
memory/532-54-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/1768-57-0x0000000000000000-mapping.dmp

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