bc11ed1eee97486bfcb63cdbeda0ae72110f1a6a130c62f73ea99b7fc17150f8

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20230705-en
resource tags

arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system
submitted
07/07/2023, 12:23

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General

Target

4853d5e2bc6e90exeexeexeex.exe
Size

75KB
MD5

4853d5e2bc6e905277fed1b282dc7829
SHA1

da6b31ebdea5969db54fdc81318ab8fade1c513e
SHA256

bc11ed1eee97486bfcb63cdbeda0ae72110f1a6a130c62f73ea99b7fc17150f8
SHA512

70a79e51801331ab31fec35759cdc7649e53d22aa41d00cf3be631d86f36cf7d407c8bac53e5f1b77e5a7c06acef4beda3956fd6d09077b99dbe1834590fff07
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalDSh:1nK6a+qdOOtEvwDpjD

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2272	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3040	4853d5e2bc6e90exeexeexeex.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000a0000000139e9-63.dat	upx
behavioral1/files/0x000a0000000139e9-66.dat	upx
behavioral1/memory/3040-67-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x000a0000000139e9-75.dat	upx
behavioral1/memory/2272-76-0x0000000000500000-0x000000000050F311-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2272	3040	4853d5e2bc6e90exeexeexeex.exe	28
PID 3040 wrote to memory of 2272	3040	4853d5e2bc6e90exeexeexeex.exe	28
PID 3040 wrote to memory of 2272	3040	4853d5e2bc6e90exeexeexeex.exe	28
PID 3040 wrote to memory of 2272	3040	4853d5e2bc6e90exeexeexeex.exe	28

C:\Users\Admin\AppData\Local\Temp\4853d5e2bc6e90exeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\4853d5e2bc6e90exeexeexeex.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2272

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\asih.exe

Filesize
75KB

MD5
be18888b86a040cb2f62ada4a012674a

SHA1
8a150a9d0b15bd2a623eab0eaf85b53f709af141

SHA256
8a03aea35c3f5886eda902ba962a372e3a1193a5ee1f0417434139a05f6b066b

SHA512
5309a2c8591d455564d3e78e6ca3ab30e0373d94f6029b59421981c13e568438ae18828ec36ad2a55da1b9ccd08d5497275606a537624361080e349e2d21c519

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
75KB

MD5
be18888b86a040cb2f62ada4a012674a

SHA1
8a150a9d0b15bd2a623eab0eaf85b53f709af141

SHA256
8a03aea35c3f5886eda902ba962a372e3a1193a5ee1f0417434139a05f6b066b

SHA512
5309a2c8591d455564d3e78e6ca3ab30e0373d94f6029b59421981c13e568438ae18828ec36ad2a55da1b9ccd08d5497275606a537624361080e349e2d21c519

Download Submit
\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
75KB

MD5
be18888b86a040cb2f62ada4a012674a

SHA1
8a150a9d0b15bd2a623eab0eaf85b53f709af141

SHA256
8a03aea35c3f5886eda902ba962a372e3a1193a5ee1f0417434139a05f6b066b

SHA512
5309a2c8591d455564d3e78e6ca3ab30e0373d94f6029b59421981c13e568438ae18828ec36ad2a55da1b9ccd08d5497275606a537624361080e349e2d21c519

Download Submit
memory/2272-69-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2272-76-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/3040-54-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3040-55-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/3040-67-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download