3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30-05-2024 20:55

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General

Target

3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9.exe
Size

134KB
MD5

e2a1cc2c27ba6e9a2cbd312d7354d0dd
SHA1

f78fe13b9796afecb2bdeb63a71420d77aaff483
SHA256

3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9
SHA512

83b65f59a37ea5f335170107d96cf48eb21a7049e0c2ae81a0088c6a763349c9983243230eea28942c3d7edd1bf85eb805a66413fbcf8939d894e5268bb81ae8
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qv:riAyLN9aa+9U2rW1ip6pr2At7NZuQv

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral1/memory/2084-0-0x00000000003D0000-0x00000000003F8000-memory.dmp	UPX
behavioral1/files/0x0036000000014335-6.dat	UPX
behavioral1/memory/2084-3-0x00000000000F0000-0x0000000000118000-memory.dmp	UPX
behavioral1/memory/1248-7-0x0000000000DF0000-0x0000000000E18000-memory.dmp	UPX
behavioral1/memory/2084-8-0x00000000003D0000-0x00000000003F8000-memory.dmp	UPX
behavioral1/memory/1248-9-0x0000000000DF0000-0x0000000000E18000-memory.dmp	UPX
behavioral1/memory/2084-10-0x00000000003D0000-0x00000000003F8000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
1248	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2084	3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2084-0-0x00000000003D0000-0x00000000003F8000-memory.dmp	upx
behavioral1/files/0x0036000000014335-6.dat	upx
behavioral1/memory/2084-3-0x00000000000F0000-0x0000000000118000-memory.dmp	upx
behavioral1/memory/1248-7-0x0000000000DF0000-0x0000000000E18000-memory.dmp	upx
behavioral1/memory/2084-8-0x00000000003D0000-0x00000000003F8000-memory.dmp	upx
behavioral1/memory/1248-9-0x0000000000DF0000-0x0000000000E18000-memory.dmp	upx
behavioral1/memory/2084-10-0x00000000003D0000-0x00000000003F8000-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"	3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 1248	2084	3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9.exe	28
PID 2084 wrote to memory of 1248	2084	3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9.exe	28
PID 2084 wrote to memory of 1248	2084	3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9.exe	28
PID 2084 wrote to memory of 1248	2084	3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9.exe	28

C:\Users\Admin\AppData\Local\Temp\3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9.exe
"C:\Users\Admin\AppData\Local\Temp\3cb67e3d433ed0850be1eaa21915ef4fb4ce57197c7da4460fabeda2fccdaec9.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2084
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1248

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
1826a902d305e66b661278b97f02be9b

SHA1
e1ed8ce0bff67f28da0e9fc9c951649eda088ae6

SHA256
7276c9177a892a70f1563a2dfe4270838150240fa389c6bb12cbb4e57db68dab

SHA512
a899601d335ff54a9a64c376dbd5fb5e9cb236825a63f18034b269ce863dd9f6bbf3a558a667e6a2b88b2218a80fd2f2ba4e5aefee9aebe67202ecb5736bb0de

Download Submit
memory/1248-7-0x0000000000DF0000-0x0000000000E18000-memory.dmp

Filesize
160KB

Download
memory/1248-9-0x0000000000DF0000-0x0000000000E18000-memory.dmp

Filesize
160KB

Download
memory/2084-0-0x00000000003D0000-0x00000000003F8000-memory.dmp

Filesize
160KB

Download
memory/2084-3-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2084-8-0x00000000003D0000-0x00000000003F8000-memory.dmp

Filesize
160KB

Download
memory/2084-10-0x00000000003D0000-0x00000000003F8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads