9e771d397008052c95fae64714155e918d5d9852d068529b260a36c943df7c85

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
24/08/2024, 07:03

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

a1fb1b1f841bf841cfe0b027ff6f6bc0N.exe
Size

135KB
MD5

a1fb1b1f841bf841cfe0b027ff6f6bc0
SHA1

20d6d228328b67ec4d6d924b3b8102a3e803f0e0
SHA256

9e771d397008052c95fae64714155e918d5d9852d068529b260a36c943df7c85
SHA512

62e37f0c34699845218f835b0953dc1475f8d5ce4782da74f9739dbf8570cdfe1658bd6061c81ed7efdb5aec3b277f9dad7321a88685f4587233246247944f00
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qb:riAyLN9aa+9U2rW1ip6pr2At7NZuQb

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1720	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1696	a1fb1b1f841bf841cfe0b027ff6f6bc0N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1696-0-0x0000000001190000-0x00000000011B8000-memory.dmp	upx
behavioral1/files/0x000700000001921e-2.dat	upx
behavioral1/memory/1720-7-0x0000000000E00000-0x0000000000E28000-memory.dmp	upx
behavioral1/memory/1696-8-0x0000000001190000-0x00000000011B8000-memory.dmp	upx
behavioral1/memory/1720-10-0x0000000000E00000-0x0000000000E28000-memory.dmp	upx
behavioral1/memory/1696-11-0x0000000001190000-0x00000000011B8000-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"	a1fb1b1f841bf841cfe0b027ff6f6bc0N.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	a1fb1b1f841bf841cfe0b027ff6f6bc0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 1720	1696	a1fb1b1f841bf841cfe0b027ff6f6bc0N.exe	30
PID 1696 wrote to memory of 1720	1696	a1fb1b1f841bf841cfe0b027ff6f6bc0N.exe	30
PID 1696 wrote to memory of 1720	1696	a1fb1b1f841bf841cfe0b027ff6f6bc0N.exe	30
PID 1696 wrote to memory of 1720	1696	a1fb1b1f841bf841cfe0b027ff6f6bc0N.exe	30

C:\Users\Admin\AppData\Local\Temp\a1fb1b1f841bf841cfe0b027ff6f6bc0N.exe
"C:\Users\Admin\AppData\Local\Temp\a1fb1b1f841bf841cfe0b027ff6f6bc0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1720

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

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\Update\WwanSvc.exe

Filesize
135KB

MD5
5cc0943ccf992d81bf1d7f80c8abd5fd

SHA1
4b367c2303eb52a126cf47f0cdea5454ea511de5

SHA256
69b2bb95b47b66c6714687143f6d70797bdf862acec9a895e54fed82e6708801

SHA512
a75fd7b57130bc060d0ae23f679e74345e488b26e3063b56b54a0bfbd59f7c2eed5987075a6c85cb8b4082b6e75de7de9527a680e6d0865b22543a75ba075456

Download Submit
memory/1696-0-0x0000000001190000-0x00000000011B8000-memory.dmp

Filesize
160KB

Download
memory/1696-6-0x0000000000E00000-0x0000000000E28000-memory.dmp

Filesize
160KB

Download
memory/1696-8-0x0000000001190000-0x00000000011B8000-memory.dmp

Filesize
160KB

Download
memory/1696-9-0x0000000000E00000-0x0000000000E28000-memory.dmp

Filesize
160KB

Download
memory/1696-11-0x0000000001190000-0x00000000011B8000-memory.dmp

Filesize
160KB

Download
memory/1720-7-0x0000000000E00000-0x0000000000E28000-memory.dmp

Filesize
160KB

Download
memory/1720-10-0x0000000000E00000-0x0000000000E28000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads