b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 07:00

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General

Target

b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe
Size

134KB
MD5

80963c169ed50449c9d3d899b9a3e197
SHA1

4bb5682d1e2783026ef4972ad20551fa0894f728
SHA256

b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55
SHA512

cc5463d036c8157db7b546997c33d571f4370f4a4ee05d74b0f7afa0f458c6de587ab57157688330e1e8a67133837d2a2a2e15d936e59ceb621b36a83ad1c53d
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qp:riAyLN9aa+9U2rW1ip6pr2At7NZuQp

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral1/memory/2884-0-0x0000000000CA0000-0x0000000000CC8000-memory.dmp	UPX
behavioral1/memory/2884-4-0x0000000000080000-0x00000000000A8000-memory.dmp	UPX
behavioral1/files/0x002a000000014b6d-6.dat	UPX
behavioral1/memory/2912-7-0x0000000000820000-0x0000000000848000-memory.dmp	UPX
behavioral1/memory/2884-8-0x0000000000CA0000-0x0000000000CC8000-memory.dmp	UPX
behavioral1/memory/2884-9-0x0000000000CA0000-0x0000000000CC8000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2912	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2884	b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2884-0-0x0000000000CA0000-0x0000000000CC8000-memory.dmp	upx
behavioral1/memory/2884-4-0x0000000000080000-0x00000000000A8000-memory.dmp	upx
behavioral1/files/0x002a000000014b6d-6.dat	upx
behavioral1/memory/2912-7-0x0000000000820000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2884-8-0x0000000000CA0000-0x0000000000CC8000-memory.dmp	upx
behavioral1/memory/2884-9-0x0000000000CA0000-0x0000000000CC8000-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"	b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2912	2884	b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe	28
PID 2884 wrote to memory of 2912	2884	b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe	28
PID 2884 wrote to memory of 2912	2884	b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe	28
PID 2884 wrote to memory of 2912	2884	b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe	28

C:\Users\Admin\AppData\Local\Temp\b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe
"C:\Users\Admin\AppData\Local\Temp\b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2884
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2912

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
1e821af2f9574b7dd184f0a3472e3469

SHA1
c583496d117547135a88399889a524f2b9535728

SHA256
fdd5f0fbd7bb992e35ba473ae10fe8090b5ecc8c71aef0f8401c0f0eb7835e37

SHA512
55b98d31a8ee4a8868c6768a86aae5f4960bbb9eb8675c63a7fa158b5162d2127d3aacff48e403c56b2793cc47348e3aa58e2ae3c4935e904528a19597220db4

Download Submit
memory/2884-0-0x0000000000CA0000-0x0000000000CC8000-memory.dmp

Filesize
160KB

Download
memory/2884-4-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2884-8-0x0000000000CA0000-0x0000000000CC8000-memory.dmp

Filesize
160KB

Download
memory/2884-9-0x0000000000CA0000-0x0000000000CC8000-memory.dmp

Filesize
160KB

Download
memory/2912-7-0x0000000000820000-0x0000000000848000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads