ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a

Analysis

max time kernel
145s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01-05-2024 02:40

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General

Target

ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe
Size

134KB
MD5

553fec3969cce0581379970be4c2f385
SHA1

1c23aa75d7c17e563e0cbf455b5245fae1a73b4e
SHA256

ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a
SHA512

6e55496050b34d934cec6980192e9dfac572e05023cc130df6815bb74f2b045b0ce20d0ea74f377a620279a36343bce13634186b1dd648ca892c2afd1b100f37
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QU:riAyLN9aa+9U2rW1ip6pr2At7NZuQU

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/3112-0-0x0000000000F10000-0x0000000000F38000-memory.dmp	UPX
behavioral2/files/0x000c000000023ba8-3.dat	UPX
behavioral2/memory/3112-4-0x0000000000F10000-0x0000000000F38000-memory.dmp	UPX
behavioral2/memory/3576-6-0x00000000003E0000-0x0000000000408000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
3576	WwanSvc.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3112-0-0x0000000000F10000-0x0000000000F38000-memory.dmp	upx
behavioral2/files/0x000c000000023ba8-3.dat	upx
behavioral2/memory/3112-4-0x0000000000F10000-0x0000000000F38000-memory.dmp	upx
behavioral2/memory/3576-6-0x00000000003E0000-0x0000000000408000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run"	ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 3576	3112	ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe	83
PID 3112 wrote to memory of 3576	3112	ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe	83
PID 3112 wrote to memory of 3576	3112	ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe	83

C:\Users\Admin\AppData\Local\Temp\ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe
"C:\Users\Admin\AppData\Local\Temp\ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3112
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:3576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
d51f8ba99df55d3a92495a7567faa3c1

SHA1
b325cb7ddfb32ca7151280df65bbd270d9d6c643

SHA256
822c8e63ff4a73ff027741da1031badec9190e07d853d95bd87f50884f891823

SHA512
66b322f1e98fc59ec870db7bc52e89c8b97a2e1c7f9da46a748671dc2cc5973231f5290345e06f6aa02175bf88c1930f43355507ebd77616c8529958b5a22e52

Download Submit
memory/3112-0-0x0000000000F10000-0x0000000000F38000-memory.dmp

Filesize
160KB

Download
memory/3112-4-0x0000000000F10000-0x0000000000F38000-memory.dmp

Filesize
160KB

Download
memory/3576-6-0x00000000003E0000-0x0000000000408000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads