da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c

Analysis

max time kernel
150s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2024, 04:45

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General

Target

da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe
Size

88KB
MD5

1659eb0e7ac5f43d33c58dbd97dc61a3
SHA1

ffc1ad2275f2fc13e8d9d1b54ca5f24be4596940
SHA256

da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c
SHA512

097d2e26e69ff124304a954ca19fc5282bcd0758ab77a18821d3f85bb0a9ad545c383da64d6a3b2abad674ddf396d450cc7b35b557a89a0162ad4d9fcbc6e14c
SSDEEP

1536:CU9YkETRm/CQ7igcuGC58kSlR+YFa1vv3:3zwR4f78uGC58k8R8

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral2/memory/2984-0-0x0000000000400000-0x0000000000413000-memory.dmp	UPX
behavioral2/files/0x0008000000022f51-8.dat	UPX
behavioral2/memory/2984-13-0x0000000000400000-0x0000000000413000-memory.dmp	UPX
behavioral2/memory/4632-11-0x0000000000400000-0x0000000000413000-memory.dmp	UPX
behavioral2/memory/4632-17-0x0000000000400000-0x0000000000413000-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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe

Executes dropped EXE 1 IoCs

pid	Process
4632	upsec.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2984-0-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/files/0x0008000000022f51-8.dat	upx
behavioral2/memory/2984-13-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4632-11-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4632-17-0x0000000000400000-0x0000000000413000-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 2984 wrote to memory of 4632	2984	da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe	82
PID 2984 wrote to memory of 4632	2984	da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe	82
PID 2984 wrote to memory of 4632	2984	da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe	82

C:\Users\Admin\AppData\Local\Temp\da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe
"C:\Users\Admin\AppData\Local\Temp\da549186381eea1e383ccf1522e42bef4a2024092ba84ba1f8eb70ec1118b57c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\upsec.exe
  "C:\Users\Admin\AppData\Local\Temp\upsec.exe"
  2⤵
  - Executes dropped EXE
  PID:4632

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\upsec.exe

Filesize
89KB

MD5
fefcaae71a7e48c8bd7cee219f49221e

SHA1
3db0de97c2a42cfea903bcc0c53bf7885867b3a1

SHA256
5bce6e7a4e6c31ae60a05c0987cf72b0c66bbf53a270f11cdc6abf843a0abbde

SHA512
b2ee182cc4e417b413dcfee0b0c2764e2df2acb5983ee7f140b2acd0369f08e8b9094d98d3e871eb1c6ad63b2ecadeb32b01a9360fff15c42ea88dec21f29a9c

Download Submit
memory/2984-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2984-1-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2984-2-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2984-4-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2984-13-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4632-11-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4632-16-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/4632-17-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4632-18-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download