864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/05/2024, 20:52

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General

Target

864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313.exe
Size

134KB
MD5

12e0039aca994bbd4e0c7d0b38360750
SHA1

3f362fb4b80be2b713a7411003b4854dd4275ec7
SHA256

864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313
SHA512

cb67a043d3d1a89ecaa11efd3f21ca9f44d04252f3ac56f9fdbd0e26bf783a1c2649ee64e6e6d2b9f3b62b214f640ac4fb1aea0d2c44ff82737dabc01e9df363
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qt:riAyLN9aa+9U2rW1ip6pr2At7NZuQt

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2888	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1368	864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1368-0-0x0000000000150000-0x0000000000178000-memory.dmp	upx
behavioral1/files/0x0024000000015c23-2.dat	upx
behavioral1/memory/2888-7-0x0000000000F00000-0x0000000000F28000-memory.dmp	upx
behavioral1/memory/1368-8-0x0000000000150000-0x0000000000178000-memory.dmp	upx
behavioral1/memory/2888-10-0x0000000000F00000-0x0000000000F28000-memory.dmp	upx
behavioral1/memory/1368-11-0x0000000000150000-0x0000000000178000-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"	864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 2888	1368	864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313.exe	28
PID 1368 wrote to memory of 2888	1368	864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313.exe	28
PID 1368 wrote to memory of 2888	1368	864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313.exe	28
PID 1368 wrote to memory of 2888	1368	864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313.exe	28

C:\Users\Admin\AppData\Local\Temp\864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313.exe
"C:\Users\Admin\AppData\Local\Temp\864c39b2391c025bbee31300f168c35c9846ad44cc70d84dbd7f20a468363313.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1368
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2888

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
2e391e958f8ad3790594ffefee4bcf5f

SHA1
251322334cdda079c533f99b841c52a6f98f181c

SHA256
7efd3ee4617af59adf589af4d77c869e53db65aa3802d5916da89fc11e945445

SHA512
69310886c083f3e2a4c7b1c1c1f5d5ec4cd3e7203af144a838d09d34eeb846785a94bf1000c05b78b04c257fb81a0ecb9bb73809ee10f2e08ca362cf4fc0e85b

Download Submit
memory/1368-0-0x0000000000150000-0x0000000000178000-memory.dmp

Filesize
160KB

Download
memory/1368-5-0x00000000001D0000-0x00000000001F8000-memory.dmp

Filesize
160KB

Download
memory/1368-8-0x0000000000150000-0x0000000000178000-memory.dmp

Filesize
160KB

Download
memory/1368-9-0x00000000001D0000-0x00000000001F8000-memory.dmp

Filesize
160KB

Download
memory/1368-11-0x0000000000150000-0x0000000000178000-memory.dmp

Filesize
160KB

Download
memory/2888-7-0x0000000000F00000-0x0000000000F28000-memory.dmp

Filesize
160KB

Download
memory/2888-10-0x0000000000F00000-0x0000000000F28000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads