11e74a69f218eae4553eec3416ded1b98ac7bf770eecc4758e1ee342d86f4d12

Analysis

max time kernel
139s
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
16/07/2023, 11:05

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General

Target

66f4ba437630fd_JC.exe
Size

57KB
MD5

66f4ba437630fdd88fc9cbd1175c3aa1
SHA1

5ac2bc0b527a3f7ff2ad7d01658f7bd70adac620
SHA256

11e74a69f218eae4553eec3416ded1b98ac7bf770eecc4758e1ee342d86f4d12
SHA512

2bccdffe66497e2755a629d7773efbbebda447fa55e5ef0c657e262284012f8c0b4402a22a587de6ddc60daa0ad982730a0141be7510b72a7c94ecb910fc25ff
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTFH3T:T6a+rdOOtEvwDpjNr

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-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation	66f4ba437630fd_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
3080	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1584-133-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x00070000000230c5-146.dat	upx
behavioral2/files/0x00070000000230c5-148.dat	upx
behavioral2/files/0x00070000000230c5-149.dat	upx
behavioral2/memory/1584-158-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/3080-159-0x0000000000500000-0x0000000000510000-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 1584 wrote to memory of 3080	1584	66f4ba437630fd_JC.exe	88
PID 1584 wrote to memory of 3080	1584	66f4ba437630fd_JC.exe	88
PID 1584 wrote to memory of 3080	1584	66f4ba437630fd_JC.exe	88

C:\Users\Admin\AppData\Local\Temp\66f4ba437630fd_JC.exe
"C:\Users\Admin\AppData\Local\Temp\66f4ba437630fd_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1584
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3080

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
57KB

MD5
5f5856ff8c439710c4517cf977fa7579

SHA1
8f7a7f6a11dc27dc5a6489b6c27c1d5d2081d51f

SHA256
2e726c2033f14f32c2b34a51e9d2a7b1e11cb94f941a89045a12bf2a46410125

SHA512
35fab50e9ed0fef2cd483f9e454d9b677741eee039dad5653fd1baf69e35b29a8c269670f6f7da26d63918b3d83a0d8532354fb2bcbc9912d13dc803ccc71c57

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

Filesize
57KB

MD5
5f5856ff8c439710c4517cf977fa7579

SHA1
8f7a7f6a11dc27dc5a6489b6c27c1d5d2081d51f

SHA256
2e726c2033f14f32c2b34a51e9d2a7b1e11cb94f941a89045a12bf2a46410125

SHA512
35fab50e9ed0fef2cd483f9e454d9b677741eee039dad5653fd1baf69e35b29a8c269670f6f7da26d63918b3d83a0d8532354fb2bcbc9912d13dc803ccc71c57

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

Filesize
57KB

MD5
5f5856ff8c439710c4517cf977fa7579

SHA1
8f7a7f6a11dc27dc5a6489b6c27c1d5d2081d51f

SHA256
2e726c2033f14f32c2b34a51e9d2a7b1e11cb94f941a89045a12bf2a46410125

SHA512
35fab50e9ed0fef2cd483f9e454d9b677741eee039dad5653fd1baf69e35b29a8c269670f6f7da26d63918b3d83a0d8532354fb2bcbc9912d13dc803ccc71c57

Download Submit
memory/1584-133-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1584-134-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/1584-135-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/1584-136-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1584-158-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3080-151-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3080-152-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/3080-159-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download