1518ce880dcf50ffd3695f1a61af91802f162de772a8543a570d94348b1fa85a

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
22/07/2023, 22:20

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General

Target

NA_0899b5cd769290exe_JC.exe
Size

63KB
MD5

0899b5cd769290866c5642d08db31c1b
SHA1

cf6698d38713efcefe2e7940d24d1c4e27042845
SHA256

1518ce880dcf50ffd3695f1a61af91802f162de772a8543a570d94348b1fa85a
SHA512

f5147e6bd44509ece322dc2c62ed62caaf2245662dddf4e1eaf5262d597655fd6fe537c8f99e1d228f61ae91d1e4379e5bc518e2d87504986cf47b73be16c7e0
SSDEEP

1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAh5N:z6a+CdOOtEvwDpjQO

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	NA_0899b5cd769290exe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4232	asih.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/544-133-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0007000000023249-146.dat	upx
behavioral2/files/0x0007000000023249-148.dat	upx
behavioral2/files/0x0007000000023249-149.dat	upx
behavioral2/memory/4232-150-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/544-151-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/4232-160-0x0000000000500000-0x0000000000510000-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 544 wrote to memory of 4232	544	NA_0899b5cd769290exe_JC.exe	86
PID 544 wrote to memory of 4232	544	NA_0899b5cd769290exe_JC.exe	86
PID 544 wrote to memory of 4232	544	NA_0899b5cd769290exe_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\NA_0899b5cd769290exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_0899b5cd769290exe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:544
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
63KB

MD5
b5667f052c1564d0da30dfb1f458e01c

SHA1
78581913d03d0cdcc367b22166f8763eecb1e17f

SHA256
319646c452f749d7f9c7b3345619fbb4e6c81102d120d51411d847665148ec89

SHA512
377503da3a6e5c52258abd77976bc978e44e7d2ae6b4c7bbb0ad1f6ea8b11d8a0ca8afc6d71441ef5fa4d0a3b78fece8155af1270d816199ae21e321d8d0af27

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

Filesize
63KB

MD5
b5667f052c1564d0da30dfb1f458e01c

SHA1
78581913d03d0cdcc367b22166f8763eecb1e17f

SHA256
319646c452f749d7f9c7b3345619fbb4e6c81102d120d51411d847665148ec89

SHA512
377503da3a6e5c52258abd77976bc978e44e7d2ae6b4c7bbb0ad1f6ea8b11d8a0ca8afc6d71441ef5fa4d0a3b78fece8155af1270d816199ae21e321d8d0af27

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

Filesize
63KB

MD5
b5667f052c1564d0da30dfb1f458e01c

SHA1
78581913d03d0cdcc367b22166f8763eecb1e17f

SHA256
319646c452f749d7f9c7b3345619fbb4e6c81102d120d51411d847665148ec89

SHA512
377503da3a6e5c52258abd77976bc978e44e7d2ae6b4c7bbb0ad1f6ea8b11d8a0ca8afc6d71441ef5fa4d0a3b78fece8155af1270d816199ae21e321d8d0af27

Download Submit
memory/544-133-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/544-134-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/544-135-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/544-136-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/544-151-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4232-150-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4232-153-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/4232-154-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4232-160-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download