c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 02:55

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General

Target

c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5.exe
Size

134KB
MD5

41fbc831126b8abe5f598f204fd20b1c
SHA1

935a1fe9b82688b33769c5b2e8f714f927017ed1
SHA256

c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5
SHA512

504b9b069f6b8e1988c6023777b1a2dad2f2a865fd23cbeb61b6bb61633c054eae8710ecd6312cfb4a2924536202145a01d7d6069241f05a3ac377e740dbe449
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qz:riAyLN9aa+9U2rW1ip6pr2At7NZuQz

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral1/memory/2420-0-0x0000000000810000-0x0000000000838000-memory.dmp	UPX
behavioral1/files/0x000b000000014198-2.dat	UPX
behavioral1/memory/2420-4-0x0000000000080000-0x00000000000A8000-memory.dmp	UPX
behavioral1/memory/2420-7-0x0000000000810000-0x0000000000838000-memory.dmp	UPX
behavioral1/memory/1928-8-0x00000000012D0000-0x00000000012F8000-memory.dmp	UPX
behavioral1/memory/2420-9-0x0000000000810000-0x0000000000838000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
1928	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2420	c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2420-0-0x0000000000810000-0x0000000000838000-memory.dmp	upx
behavioral1/files/0x000b000000014198-2.dat	upx
behavioral1/memory/2420-4-0x0000000000080000-0x00000000000A8000-memory.dmp	upx
behavioral1/memory/2420-7-0x0000000000810000-0x0000000000838000-memory.dmp	upx
behavioral1/memory/1928-8-0x00000000012D0000-0x00000000012F8000-memory.dmp	upx
behavioral1/memory/2420-9-0x0000000000810000-0x0000000000838000-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"	c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 1928	2420	c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5.exe	28
PID 2420 wrote to memory of 1928	2420	c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5.exe	28
PID 2420 wrote to memory of 1928	2420	c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5.exe	28
PID 2420 wrote to memory of 1928	2420	c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5.exe	28

C:\Users\Admin\AppData\Local\Temp\c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5.exe
"C:\Users\Admin\AppData\Local\Temp\c46c3e79206ea9424b4dec8e6c9e00360bbaba75d2abd358ab9ca7a55d83fdf5.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2420
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1928

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
e6616878b817f46e57f6def495336bb3

SHA1
ef1e506caa745306e6f33fc578c713e9801c14a7

SHA256
35a57259033db9697769d668fbed6d8ddd2d470024e3da5144bb80a354467fb6

SHA512
d1fc44cc455ff3b1b21ac5a938c47989d8062c96382863f7fc3cf7fd4a6c3ba2159e89506e6dae00d130fb7085e8e0cfc72da17d499be83815bd94112c719841

Download Submit
memory/1928-8-0x00000000012D0000-0x00000000012F8000-memory.dmp

Filesize
160KB

Download
memory/2420-0-0x0000000000810000-0x0000000000838000-memory.dmp

Filesize
160KB

Download
memory/2420-4-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2420-7-0x0000000000810000-0x0000000000838000-memory.dmp

Filesize
160KB

Download
memory/2420-9-0x0000000000810000-0x0000000000838000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads