7d64cc2887a9be7e1740059a02b8b70c8a045aefdfe7ac18e23e9bdcc2cd81db

Analysis

max time kernel
142s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2023, 19:22

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General

Target

NEAS.6bfee40e596a6c1159d3b26387bb67d0_JC.exe
Size

188KB
MD5

6bfee40e596a6c1159d3b26387bb67d0
SHA1

bf79cef3a20a3d337d2f3f54be0948e6d0363025
SHA256

7d64cc2887a9be7e1740059a02b8b70c8a045aefdfe7ac18e23e9bdcc2cd81db
SHA512

a42907c35c7e78184aa0a3b157c4103f15f376f5a9ba8c7221f0508261637a71630837e43fc69f89c3b483d7b782707ed0f209c07b011695dd2d3a73fc4c3514
SSDEEP

3072:Rc2YlPYqPt7EYjQ9oDJG7zdeGBYIGTPCMJLj9uqgnaIEXvDcGH2abADBS:qf5Pt7VOe7CMJVFgaX/FWabAo

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-1-5-21-356073083-3299209671-3108880702-1000\Control Panel\International\Geo\Nation	NEAS.6bfee40e596a6c1159d3b26387bb67d0_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
4904	MWL_DecryptFile.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/568-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/files/0x0007000000022d80-6.dat	upx
behavioral2/files/0x0007000000022d80-11.dat	upx
behavioral2/memory/4904-12-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/files/0x0007000000022d80-14.dat	upx
behavioral2/memory/568-13-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/4904-15-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4904-20-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4904-21-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/memory/4904-27-0x0000000000400000-0x0000000000422000-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 FindShellTrayWindow 1 IoCs

pid	Process
4904	MWL_DecryptFile.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4904	MWL_DecryptFile.exe
4904	MWL_DecryptFile.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 568 wrote to memory of 4904	568	NEAS.6bfee40e596a6c1159d3b26387bb67d0_JC.exe	86
PID 568 wrote to memory of 4904	568	NEAS.6bfee40e596a6c1159d3b26387bb67d0_JC.exe	86
PID 568 wrote to memory of 4904	568	NEAS.6bfee40e596a6c1159d3b26387bb67d0_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\NEAS.6bfee40e596a6c1159d3b26387bb67d0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.6bfee40e596a6c1159d3b26387bb67d0_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:568
- C:\Users\Admin\AppData\Local\Temp\MWL_DecryptFile.exe
  "C:\Users\Admin\AppData\Local\Temp\MWL_DecryptFile.exe" "C:\Users\Admin\AppData\Local\Temp\NEAS.6bfee40e596a6c1159d3b26387bb67d0_JC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  PID:4904

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\MWL_DecryptFile.exe

Filesize
52KB

MD5
f870f701ef885f2ffe92eb9766d8df10

SHA1
5ef9d0b3eb778b5fdfe6a30994e1e60f2fd3d612

SHA256
903122b7607aaea06fd0d6208f707b75f4d5af8283c412aa2d48c2d3cfd4f291

SHA512
3e9d8e38af55505b1a50aeba1bb551bacd4e717fef1323fe8abc17273e40e92acf2789550719e7d72a1bc3cf1cfdf9dc5c2ba278eca4139225340fc25a65c4d7

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

Filesize
52KB

MD5
f870f701ef885f2ffe92eb9766d8df10

SHA1
5ef9d0b3eb778b5fdfe6a30994e1e60f2fd3d612

SHA256
903122b7607aaea06fd0d6208f707b75f4d5af8283c412aa2d48c2d3cfd4f291

SHA512
3e9d8e38af55505b1a50aeba1bb551bacd4e717fef1323fe8abc17273e40e92acf2789550719e7d72a1bc3cf1cfdf9dc5c2ba278eca4139225340fc25a65c4d7

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

Filesize
52KB

MD5
f870f701ef885f2ffe92eb9766d8df10

SHA1
5ef9d0b3eb778b5fdfe6a30994e1e60f2fd3d612

SHA256
903122b7607aaea06fd0d6208f707b75f4d5af8283c412aa2d48c2d3cfd4f291

SHA512
3e9d8e38af55505b1a50aeba1bb551bacd4e717fef1323fe8abc17273e40e92acf2789550719e7d72a1bc3cf1cfdf9dc5c2ba278eca4139225340fc25a65c4d7

Download Submit
memory/568-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/568-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4904-12-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4904-15-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4904-20-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4904-21-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4904-27-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download