698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7

Analysis

max time kernel
141s
max time network
65s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
29/04/2024, 22:35

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General

Target

698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe
Size

29KB
MD5

b1ba0d301e8568ba22ff3da93f3738d6
SHA1

b1263024740ae39b795596fccac9ca0970f591f7
SHA256

698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7
SHA512

ec50fcf0fff7e64cc02a20d7c814b271e72786a06bd444147782fa5198ea6033ff46f8e00f7a6ef70ff11ef5b1b74d6cd66244f4226c22ca88994a4077baf4fe
SSDEEP

384:BCFBJ+AnI5p3dZ4C7HdYwR0MrOk0WSlf2LZK3LsbWoXnKDjD228MD9ipDekLQ:kFSl5dnYY7qk0nlfeKoSAnKDWMDQS

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/memory/1092-0-0x0000000000400000-0x000000000040D000-memory.dmp	UPX
behavioral2/files/0x000c000000023b4c-13.dat	UPX
behavioral2/memory/4932-17-0x0000000000400000-0x000000000040D000-memory.dmp	UPX

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-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation	698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe

Executes dropped EXE 1 IoCs

pid	Process
4932	hummy.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1092-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral2/files/0x000c000000023b4c-13.dat	upx
behavioral2/memory/4932-17-0x0000000000400000-0x000000000040D000-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 1092 wrote to memory of 4932	1092	698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe	88
PID 1092 wrote to memory of 4932	1092	698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe	88
PID 1092 wrote to memory of 4932	1092	698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe	88

C:\Users\Admin\AppData\Local\Temp\698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe
"C:\Users\Admin\AppData\Local\Temp\698bfbb0ae8984a5f765086113e7cd6e6f02069c5ce59ece8052a38d97a624c7.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Users\Admin\AppData\Local\Temp\hummy.exe
  "C:\Users\Admin\AppData\Local\Temp\hummy.exe"
  2⤵
  - Executes dropped EXE
  PID:4932

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\hummy.exe

Filesize
30KB

MD5
8bbe991e47ac8c14bbbf2c9e10a41dae

SHA1
d9efd289daccc4f083a52472beed6f10332e175e

SHA256
ec65fe645cb698b0b4031de9a3bdab157129d2a8704bbbc22203a0d723d1f5aa

SHA512
b745f9d45c41ed0cf6a77e07d46d4e945c66e5413a42ffc2f9d0a3eefb4fa9e062df9b3f561ea7c66559297d0541a7ab490f08d5db6ed6e58adaae32ccf67a5c

Download Submit
memory/1092-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1092-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1092-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1092-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4932-17-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4932-26-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download