be25a5e6560c285f795b753a8cbfd0b90c4d543068bb153dc77001bb792b0bc9

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2023, 12:42

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General

Target

e3bb7878f1fa5dexe_JC.exe
Size

100KB
MD5

e3bb7878f1fa5d523cb3bf7236646973
SHA1

f3a5fdb6a608822419b9d8f858c9ae81d7048911
SHA256

be25a5e6560c285f795b753a8cbfd0b90c4d543068bb153dc77001bb792b0bc9
SHA512

fef715b831bef4b37b967785919850e4a549143037519b49c346f065cb9849ce77eef65cca573b8ccb68dfb42274af132748fd0fd1374889c1c7b5726bfd10c1
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GCp:1nK6a+qdOOtEvwDpjI

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Control Panel\International\Geo\Nation	e3bb7878f1fa5dexe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
3780	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4940-133-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/files/0x0007000000023261-146.dat	upx
behavioral2/files/0x0007000000023261-148.dat	upx
behavioral2/files/0x0007000000023261-149.dat	upx
behavioral2/memory/4940-152-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/memory/3780-159-0x0000000000500000-0x000000000050F311-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 3 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 3780	4940	e3bb7878f1fa5dexe_JC.exe	86
PID 4940 wrote to memory of 3780	4940	e3bb7878f1fa5dexe_JC.exe	86
PID 4940 wrote to memory of 3780	4940	e3bb7878f1fa5dexe_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\e3bb7878f1fa5dexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\e3bb7878f1fa5dexe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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
100KB

MD5
c2a06632ffa10003619f43d31b6f1da1

SHA1
f83654d88eb679a03ed504178ccd07e8ed6dd092

SHA256
9b7e4f2b3cb9f1ddeafe83815ff8b93750c415dca6d079053106386447913510

SHA512
51eb70673cef270e96e174ad710ffea2b4b731232147faa05b5fa2c9ee934f9402097a465a78ab21d1fbea146e982c02e5d0b0e35a55cc568e5e5307e6571e42

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

Filesize
100KB

MD5
c2a06632ffa10003619f43d31b6f1da1

SHA1
f83654d88eb679a03ed504178ccd07e8ed6dd092

SHA256
9b7e4f2b3cb9f1ddeafe83815ff8b93750c415dca6d079053106386447913510

SHA512
51eb70673cef270e96e174ad710ffea2b4b731232147faa05b5fa2c9ee934f9402097a465a78ab21d1fbea146e982c02e5d0b0e35a55cc568e5e5307e6571e42

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

Filesize
100KB

MD5
c2a06632ffa10003619f43d31b6f1da1

SHA1
f83654d88eb679a03ed504178ccd07e8ed6dd092

SHA256
9b7e4f2b3cb9f1ddeafe83815ff8b93750c415dca6d079053106386447913510

SHA512
51eb70673cef270e96e174ad710ffea2b4b731232147faa05b5fa2c9ee934f9402097a465a78ab21d1fbea146e982c02e5d0b0e35a55cc568e5e5307e6571e42

Download Submit
memory/3780-151-0x0000000002080000-0x0000000002086000-memory.dmp

Filesize
24KB

Download
memory/3780-153-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/3780-159-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/4940-133-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/4940-134-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4940-135-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4940-136-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/4940-152-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download