147d2ae996d8ba2bc3ebb3d22c11933d48e4e66177c94deb816b36a158c8cebd

Analysis

max time kernel
30s
max time network
16s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 11:08

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General

Target

eaefd34af811724f59b4cd4dedabf860N.exe
Size

134KB
MD5

eaefd34af811724f59b4cd4dedabf860
SHA1

e1e42acd938f0b9e167526de1c953a29b32785a1
SHA256

147d2ae996d8ba2bc3ebb3d22c11933d48e4e66177c94deb816b36a158c8cebd
SHA512

9af0788ade0320679bb3f58ed065b97abe89b711983af491249184a79ac174a19a61fdf9158578663011d7b94f12e5fe1fcef9234a77e8b8da5d011e76d889cc
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qc:riAyLN9aa+9U2rW1ip6pr2At7NZuQc

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2532	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1320	eaefd34af811724f59b4cd4dedabf860N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1320-0-0x00000000000D0000-0x00000000000F8000-memory.dmp	upx
behavioral1/files/0x0008000000015d8b-2.dat	upx
behavioral1/memory/2532-6-0x0000000000390000-0x00000000003B8000-memory.dmp	upx
behavioral1/memory/1320-7-0x00000000000D0000-0x00000000000F8000-memory.dmp	upx
behavioral1/memory/2532-9-0x0000000000390000-0x00000000003B8000-memory.dmp	upx
behavioral1/memory/1320-10-0x00000000000D0000-0x00000000000F8000-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"	eaefd34af811724f59b4cd4dedabf860N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaefd34af811724f59b4cd4dedabf860N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 2532	1320	eaefd34af811724f59b4cd4dedabf860N.exe	30
PID 1320 wrote to memory of 2532	1320	eaefd34af811724f59b4cd4dedabf860N.exe	30
PID 1320 wrote to memory of 2532	1320	eaefd34af811724f59b4cd4dedabf860N.exe	30
PID 1320 wrote to memory of 2532	1320	eaefd34af811724f59b4cd4dedabf860N.exe	30

C:\Users\Admin\AppData\Local\Temp\eaefd34af811724f59b4cd4dedabf860N.exe
"C:\Users\Admin\AppData\Local\Temp\eaefd34af811724f59b4cd4dedabf860N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1320
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2532

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
9a4c6ca317103346c3a2c75b8f88d998

SHA1
8ba8c17d6fc03be816d4c4474f0f7e1abc1bdabc

SHA256
9fa143af4fcabea7b8001b5785563dc689dca6e8fda9f835ada0fb12f845c354

SHA512
064554da374e5df3387b643ab11436cc4f2096b95e6a84b0c106e9bbe2caed7299797b2cf1062c7e8bcc6bace2fcce0df917671c30420e6656111f03926a5052

Download Submit
memory/1320-0-0x00000000000D0000-0x00000000000F8000-memory.dmp

Filesize
160KB

Download
memory/1320-7-0x00000000000D0000-0x00000000000F8000-memory.dmp

Filesize
160KB

Download
memory/1320-8-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/1320-10-0x00000000000D0000-0x00000000000F8000-memory.dmp

Filesize
160KB

Download
memory/2532-6-0x0000000000390000-0x00000000003B8000-memory.dmp

Filesize
160KB

Download
memory/2532-9-0x0000000000390000-0x00000000003B8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads