a3186456751497106eee3ecbfc4a6cdca92ca92daba2a21c9e358ad59ac57265

Analysis

max time kernel
30s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06-08-2024 23:14

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General

Target

260de2c208fb65871ca1b0b8758f8f50N.exe
Size

135KB
MD5

260de2c208fb65871ca1b0b8758f8f50
SHA1

ac507e81093dac4cf7329b4d6ddddbe9d9e376e2
SHA256

a3186456751497106eee3ecbfc4a6cdca92ca92daba2a21c9e358ad59ac57265
SHA512

425a7e2630f62121685f526e68c934176c499cb970e1041223ff26d7fad47dd1f250c84f5e629208b949f2198f5c5a065539e62c99c9a244e5d6de7d5d28a526
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QI:riAyLN9aa+9U2rW1ip6pr2At7NZuQI

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2676	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2560	260de2c208fb65871ca1b0b8758f8f50N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2560-0-0x0000000000E50000-0x0000000000E78000-memory.dmp	upx
behavioral1/files/0x000b000000018671-2.dat	upx
behavioral1/memory/2676-7-0x00000000012A0000-0x00000000012C8000-memory.dmp	upx
behavioral1/memory/2560-8-0x0000000000E50000-0x0000000000E78000-memory.dmp	upx
behavioral1/memory/2676-10-0x00000000012A0000-0x00000000012C8000-memory.dmp	upx
behavioral1/memory/2560-11-0x0000000000E50000-0x0000000000E78000-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"	260de2c208fb65871ca1b0b8758f8f50N.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	260de2c208fb65871ca1b0b8758f8f50N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2676	2560	260de2c208fb65871ca1b0b8758f8f50N.exe	30
PID 2560 wrote to memory of 2676	2560	260de2c208fb65871ca1b0b8758f8f50N.exe	30
PID 2560 wrote to memory of 2676	2560	260de2c208fb65871ca1b0b8758f8f50N.exe	30
PID 2560 wrote to memory of 2676	2560	260de2c208fb65871ca1b0b8758f8f50N.exe	30

C:\Users\Admin\AppData\Local\Temp\260de2c208fb65871ca1b0b8758f8f50N.exe
"C:\Users\Admin\AppData\Local\Temp\260de2c208fb65871ca1b0b8758f8f50N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2676

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
135KB

MD5
1509c34d6d1ba28e3052ab26f826ce2d

SHA1
97be805cdd495c26e451e2a26cdbeb7d0ad418a6

SHA256
5a3cff781101069dd7922048e3df9399134686a21e192bd511a4542d59f1eed4

SHA512
eebc3e647c7479db8a49d637678e1db0866aa41613ff68fb55db69087a96a38b627202e7b33cf8188e93457fd73828eb8da83218daaa333a37186fde92fe2411

Download Submit
memory/2560-0-0x0000000000E50000-0x0000000000E78000-memory.dmp

Filesize
160KB

Download
memory/2560-5-0x0000000000130000-0x0000000000158000-memory.dmp

Filesize
160KB

Download
memory/2560-8-0x0000000000E50000-0x0000000000E78000-memory.dmp

Filesize
160KB

Download
memory/2560-9-0x0000000000130000-0x0000000000158000-memory.dmp

Filesize
160KB

Download
memory/2560-11-0x0000000000E50000-0x0000000000E78000-memory.dmp

Filesize
160KB

Download
memory/2676-7-0x00000000012A0000-0x00000000012C8000-memory.dmp

Filesize
160KB

Download
memory/2676-10-0x00000000012A0000-0x00000000012C8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads