f8bba061d19f1b3c4c38f03d039b41ee40f14f93d7be1d92fb5bee8bcfa5d011

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
14-07-2023 12:41

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General

Target

1993fc9779bda9exe_JC.exe
Size

94KB
MD5

1993fc9779bda968a6791860a28c7369
SHA1

c396640d89503b4f5b04a57f37a1fc62a2ff114d
SHA256

f8bba061d19f1b3c4c38f03d039b41ee40f14f93d7be1d92fb5bee8bcfa5d011
SHA512

890f5d9a4dec37f5a705a25750b8315df0f5dd1d78f14e9fc57254beec7e24958b44707cabd154404aed473c2a670964d48cf415d15f0b2cf65632d990cfbb6f
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQbCJhJ: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	1993fc9779bda9exe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2200	asih.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4508-133-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x00060000000231f2-146.dat	upx
behavioral2/files/0x00060000000231f2-148.dat	upx
behavioral2/files/0x00060000000231f2-149.dat	upx
behavioral2/memory/4508-150-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/2200-158-0x0000000000500000-0x000000000050F000-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 4508 wrote to memory of 2200	4508	1993fc9779bda9exe_JC.exe	85
PID 4508 wrote to memory of 2200	4508	1993fc9779bda9exe_JC.exe	85
PID 4508 wrote to memory of 2200	4508	1993fc9779bda9exe_JC.exe	85

C:\Users\Admin\AppData\Local\Temp\1993fc9779bda9exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\1993fc9779bda9exe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2200

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
95KB

MD5
67f7d49da6785dea2e6c6c15b5a70f34

SHA1
8c89ad7ebc1b003ae199a3c7fe127897a9a18f9f

SHA256
5219648c21824c83529274b296ee1f02eee8390c1363201cc9755fa01c82f349

SHA512
bde6d92791e682e38a0cb0392e82ab4857a46ceab6d138f08d88c78d33143697a1d9e51e23507b08ec4a6b47172179ff059ecf7e3dfed076ef5825e78d24df23

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

Filesize
95KB

MD5
67f7d49da6785dea2e6c6c15b5a70f34

SHA1
8c89ad7ebc1b003ae199a3c7fe127897a9a18f9f

SHA256
5219648c21824c83529274b296ee1f02eee8390c1363201cc9755fa01c82f349

SHA512
bde6d92791e682e38a0cb0392e82ab4857a46ceab6d138f08d88c78d33143697a1d9e51e23507b08ec4a6b47172179ff059ecf7e3dfed076ef5825e78d24df23

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

Filesize
95KB

MD5
67f7d49da6785dea2e6c6c15b5a70f34

SHA1
8c89ad7ebc1b003ae199a3c7fe127897a9a18f9f

SHA256
5219648c21824c83529274b296ee1f02eee8390c1363201cc9755fa01c82f349

SHA512
bde6d92791e682e38a0cb0392e82ab4857a46ceab6d138f08d88c78d33143697a1d9e51e23507b08ec4a6b47172179ff059ecf7e3dfed076ef5825e78d24df23

Download Submit
memory/2200-152-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/2200-158-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4508-133-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4508-134-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4508-135-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/4508-136-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4508-150-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download