4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
03/07/2024, 21:23

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General

Target

4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920.exe
Size

134KB
MD5

85042050749db4ec36a96d3a48835771
SHA1

028d429e8a119bdfc4169ebeef43ca46f66d4c12
SHA256

4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920
SHA512

28a9a4ebb59617884601de51b9921fb6fa07f7750f207f179e6059263c80abd7b90a4932a77f3ed79cab0f2b629fcee691f78dea9abe70b1bc2a38d4a44d5946
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qy:riAyLN9aa+9U2rW1ip6pr2At7NZuQy

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2512	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1876	4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1876-0-0x0000000000900000-0x0000000000928000-memory.dmp	upx
behavioral1/files/0x002d00000001386d-2.dat	upx
behavioral1/memory/2512-6-0x0000000000330000-0x0000000000358000-memory.dmp	upx
behavioral1/memory/1876-7-0x0000000000900000-0x0000000000928000-memory.dmp	upx
behavioral1/memory/1876-9-0x0000000000900000-0x0000000000928000-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"	4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2512	1876	4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920.exe	28
PID 1876 wrote to memory of 2512	1876	4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920.exe	28
PID 1876 wrote to memory of 2512	1876	4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920.exe	28
PID 1876 wrote to memory of 2512	1876	4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920.exe	28

C:\Users\Admin\AppData\Local\Temp\4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920.exe
"C:\Users\Admin\AppData\Local\Temp\4961d2050f3623e661f682eac33a9e5c26372ce6583ec1de2efd7d4397dd4920.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1876
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2512

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
4df95a237e43f2bd1c9a90a184550952

SHA1
98efcabf8ed49c0a394fd5ae124836e1919a3a3d

SHA256
1bedf7c70fa421c2f6f92d69e090ffc19fb57a1838915eb89b44149af06ac2b5

SHA512
d177850c0f87d759ef5627cb881656089b13ed2e2dbed5c67ad3a841b6b724fc9f23851170abad6871605777ffacaa62879cfc95f2ce1279f01a3a644c045039

Download Submit
memory/1876-0-0x0000000000900000-0x0000000000928000-memory.dmp

Filesize
160KB

Download
memory/1876-7-0x0000000000900000-0x0000000000928000-memory.dmp

Filesize
160KB

Download
memory/1876-8-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/1876-9-0x0000000000900000-0x0000000000928000-memory.dmp

Filesize
160KB

Download
memory/2512-6-0x0000000000330000-0x0000000000358000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads