4e8445903206a505f10221b0ba9c1bd572f87e6b55ae645a7004e207ba0b38a5

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
23-07-2023 18:14

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General

Target

NA_NA_21ed2a62aa3c05exeexe_JC.exe
Size

118KB
MD5

21ed2a62aa3c05689148367edf29a30e
SHA1

2eae7583d27c0a6f8e060ec4f6d61d5372006e48
SHA256

4e8445903206a505f10221b0ba9c1bd572f87e6b55ae645a7004e207ba0b38a5
SHA512

d8dfbe4b8c1eeeb96557ec902a69b0ba7c01fa95811c895fcac310950cf17bb53a6a7f625444f818a01a152028e4b2aa4910669e77344106bc5db8fd1fe55781
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eA:AnBdOOtEvwDpj6zG

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-1-5-21-4176143399-3250363947-192774652-1000\Control Panel\International\Geo\Nation	NA_NA_21ed2a62aa3c05exeexe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4836	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2056-133-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x00060000000231e8-146.dat	upx
behavioral2/files/0x00060000000231e8-148.dat	upx
behavioral2/files/0x00060000000231e8-149.dat	upx
behavioral2/memory/2056-150-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/4836-159-0x0000000000500000-0x000000000050F000-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 2056 wrote to memory of 4836	2056	NA_NA_21ed2a62aa3c05exeexe_JC.exe	84
PID 2056 wrote to memory of 4836	2056	NA_NA_21ed2a62aa3c05exeexe_JC.exe	84
PID 2056 wrote to memory of 4836	2056	NA_NA_21ed2a62aa3c05exeexe_JC.exe	84

C:\Users\Admin\AppData\Local\Temp\NA_NA_21ed2a62aa3c05exeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_21ed2a62aa3c05exeexe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4836

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
118KB

MD5
ff09ff36cda4cabf2475b03e285f2914

SHA1
9adb8e229b927acce10ca3a2222b2e8ca1bff1fc

SHA256
94d6ba0322d598a6d825652e1acb275222d6a3b7f335353d6e09bd570272a433

SHA512
d9bb03a7d1ff291cb69592ee032f9df2301846cc3c54e456f6c2879e3845eef388c39e36e1c9c8a61140e6f5eb9328835df28c04e039d4a3beb661a492e55dac

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

Filesize
118KB

MD5
ff09ff36cda4cabf2475b03e285f2914

SHA1
9adb8e229b927acce10ca3a2222b2e8ca1bff1fc

SHA256
94d6ba0322d598a6d825652e1acb275222d6a3b7f335353d6e09bd570272a433

SHA512
d9bb03a7d1ff291cb69592ee032f9df2301846cc3c54e456f6c2879e3845eef388c39e36e1c9c8a61140e6f5eb9328835df28c04e039d4a3beb661a492e55dac

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

Filesize
118KB

MD5
ff09ff36cda4cabf2475b03e285f2914

SHA1
9adb8e229b927acce10ca3a2222b2e8ca1bff1fc

SHA256
94d6ba0322d598a6d825652e1acb275222d6a3b7f335353d6e09bd570272a433

SHA512
d9bb03a7d1ff291cb69592ee032f9df2301846cc3c54e456f6c2879e3845eef388c39e36e1c9c8a61140e6f5eb9328835df28c04e039d4a3beb661a492e55dac

Download Submit
memory/2056-133-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2056-134-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/2056-135-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/2056-136-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/2056-150-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4836-152-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/4836-153-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4836-159-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download