5326f4e00f9c860e2200cbd368f50efe5912853c7cf1416c7257310ba2512860

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2023, 15:05

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General

Target

248cfd01674724exeexe_JC.exe
Size

89KB
MD5

248cfd016747245fe3d5521d87a684c5
SHA1

8ef79f14e2d4ce556e9d6da0614822a5538ebf6a
SHA256

5326f4e00f9c860e2200cbd368f50efe5912853c7cf1416c7257310ba2512860
SHA512

042f0d1cf5a9781b2544a4db3ecc2ee6b3a01fe3045fc25dd6349826bb834e16baa3f1a9c5f0065bfb889273ffb1221be32e6f1069749757852aa764d87f86f5
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpMx7I:AnBdOOtEvwDpj6zI

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-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation	248cfd01674724exeexe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4044	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4700-133-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x0007000000023217-146.dat	upx
behavioral2/files/0x0007000000023217-148.dat	upx
behavioral2/files/0x0007000000023217-149.dat	upx
behavioral2/memory/4700-150-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/4044-159-0x0000000000500000-0x000000000050F000-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 4700 wrote to memory of 4044	4700	248cfd01674724exeexe_JC.exe	86
PID 4700 wrote to memory of 4044	4700	248cfd01674724exeexe_JC.exe	86
PID 4700 wrote to memory of 4044	4700	248cfd01674724exeexe_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\248cfd01674724exeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\248cfd01674724exeexe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4044

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
89KB

MD5
300d086e4fc71f67174074b7271c6cb1

SHA1
2d3e5106716ec96d7c9ab568757d50a8974d32b2

SHA256
20f0649a112eb6c2ce4f9e0c15ed062c519a93e094aefc36e38d07fa6caac26e

SHA512
02f26bfd7ed08f1bc8173760aa7316c1326e22245cc68aecd70f9b35e284833eaba9bc32b2a3c1ebe2dff62c24e86eb750df7b2518805457f498491b52ff5837

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

Filesize
89KB

MD5
300d086e4fc71f67174074b7271c6cb1

SHA1
2d3e5106716ec96d7c9ab568757d50a8974d32b2

SHA256
20f0649a112eb6c2ce4f9e0c15ed062c519a93e094aefc36e38d07fa6caac26e

SHA512
02f26bfd7ed08f1bc8173760aa7316c1326e22245cc68aecd70f9b35e284833eaba9bc32b2a3c1ebe2dff62c24e86eb750df7b2518805457f498491b52ff5837

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

Filesize
89KB

MD5
300d086e4fc71f67174074b7271c6cb1

SHA1
2d3e5106716ec96d7c9ab568757d50a8974d32b2

SHA256
20f0649a112eb6c2ce4f9e0c15ed062c519a93e094aefc36e38d07fa6caac26e

SHA512
02f26bfd7ed08f1bc8173760aa7316c1326e22245cc68aecd70f9b35e284833eaba9bc32b2a3c1ebe2dff62c24e86eb750df7b2518805457f498491b52ff5837

Download Submit
memory/4044-152-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download
memory/4044-153-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/4044-159-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4700-133-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4700-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4700-135-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4700-136-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/4700-150-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download