feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01-05-2024 05:30

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General

Target

feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df.exe
Size

134KB
MD5

4d363347246b2fc8a9d1c4236cba5786
SHA1

4698a61f2ccd72d41fc347483b0bf01008e2f79d
SHA256

feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df
SHA512

6e5bf7b96b3807f59593407e0fbfbf283e6b9eff3b12f13ad33ef3be6597b4e71be08a33c7c50d1699f02bd8a282098f8d0aa667a07481757c0a9ec768bbdf26
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qo:riAyLN9aa+9U2rW1ip6pr2At7NZuQo

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/1680-1-0x00000000002D0000-0x00000000002F8000-memory.dmp	UPX
behavioral1/files/0x0009000000016176-2.dat	UPX
behavioral1/memory/3028-6-0x00000000001A0000-0x00000000001C8000-memory.dmp	UPX
behavioral1/memory/3028-8-0x00000000001A0000-0x00000000001C8000-memory.dmp	UPX
behavioral1/memory/1680-9-0x00000000002D0000-0x00000000002F8000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
3028	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1680	feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1680-1-0x00000000002D0000-0x00000000002F8000-memory.dmp	upx
behavioral1/files/0x0009000000016176-2.dat	upx
behavioral1/memory/3028-6-0x00000000001A0000-0x00000000001C8000-memory.dmp	upx
behavioral1/memory/3028-8-0x00000000001A0000-0x00000000001C8000-memory.dmp	upx
behavioral1/memory/1680-9-0x00000000002D0000-0x00000000002F8000-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"	feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 3028	1680	feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df.exe	28
PID 1680 wrote to memory of 3028	1680	feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df.exe	28
PID 1680 wrote to memory of 3028	1680	feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df.exe	28
PID 1680 wrote to memory of 3028	1680	feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df.exe	28

C:\Users\Admin\AppData\Local\Temp\feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df.exe
"C:\Users\Admin\AppData\Local\Temp\feac4a5e9dc83e44482e5de494076ad434cad7fa697558d2a443c22780f231df.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1680
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:3028

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
0578892f848189271b58dd52423156ae

SHA1
3ac1708c8bce756ac49f9898f2faca78a0f8a30b

SHA256
cdb195d18dd5680c7f013683399110b085666f3bc4b621c4fb844b18ae4b76c2

SHA512
ebea5b0f0eece50360536a0ddafe5ff7f7132673b4eef364bc07f83b283d8cb94f432e852ca473243092b54e916d36bf5a29408e16bbe85d2e8fc2c7018a2761

Download Submit
memory/1680-1-0x00000000002D0000-0x00000000002F8000-memory.dmp

Filesize
160KB

Download
memory/1680-7-0x0000000000130000-0x0000000000158000-memory.dmp

Filesize
160KB

Download
memory/1680-9-0x00000000002D0000-0x00000000002F8000-memory.dmp

Filesize
160KB

Download
memory/3028-6-0x00000000001A0000-0x00000000001C8000-memory.dmp

Filesize
160KB

Download
memory/3028-8-0x00000000001A0000-0x00000000001C8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads