ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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) 5 IoCs

resource	yara_rule
behavioral1/memory/2852-1-0x0000000000930000-0x0000000000958000-memory.dmp	UPX
behavioral1/files/0x0025000000016013-2.dat	UPX
behavioral1/memory/2916-7-0x00000000009F0000-0x0000000000A18000-memory.dmp	UPX
behavioral1/memory/2916-9-0x00000000009F0000-0x0000000000A18000-memory.dmp	UPX
behavioral1/memory/2852-10-0x0000000000930000-0x0000000000958000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2916	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2852	ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2852-1-0x0000000000930000-0x0000000000958000-memory.dmp	upx
behavioral1/files/0x0025000000016013-2.dat	upx
behavioral1/memory/2916-7-0x00000000009F0000-0x0000000000A18000-memory.dmp	upx
behavioral1/memory/2916-9-0x00000000009F0000-0x0000000000A18000-memory.dmp	upx
behavioral1/memory/2852-10-0x0000000000930000-0x0000000000958000-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 4 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2916	2852	ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe	28
PID 2852 wrote to memory of 2916	2852	ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe	28
PID 2852 wrote to memory of 2916	2852	ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe	28
PID 2852 wrote to memory of 2916	2852	ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe	28

C:\Users\Admin\AppData\Local\Temp\ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe
"C:\Users\Admin\AppData\Local\Temp\ba7c7734b4154b40151cff96dc21d4e754deb07b0b800d45fd19bd89710dab7a.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2852
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2916

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

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
81bf79022fddf4c66f62fd3384564a2e

SHA1
d75efb07c29f14c43bc6637394990ac1d059b311

SHA256
d5abe42de006925e8ea18714072c61c0e3e6d6bf130751c7a79910f136346698

SHA512
27d015122c35ec3bd81d97e617479efa775867a07001b538cc60e7328c5cc5af553f88b1e73421ca300467376f75cb208b12c9d61020cff12b7b21cc8f146196

Download Submit
memory/2852-1-0x0000000000930000-0x0000000000958000-memory.dmp

Filesize
160KB

Download
memory/2852-6-0x0000000000110000-0x0000000000138000-memory.dmp

Filesize
160KB

Download
memory/2852-8-0x0000000000110000-0x0000000000138000-memory.dmp

Filesize
160KB

Download
memory/2852-10-0x0000000000930000-0x0000000000958000-memory.dmp

Filesize
160KB

Download
memory/2916-7-0x00000000009F0000-0x0000000000A18000-memory.dmp

Filesize
160KB

Download
memory/2916-9-0x00000000009F0000-0x0000000000A18000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads