3e70f4bcda45dd4fd17d29afb9dfe32043e2621ac0efb017bf111f0dcc3373d4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
07/08/2024, 06:36

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General

Target

7cf6112e482c5f3df51ce751160353d0N.exe
Size

134KB
MD5

7cf6112e482c5f3df51ce751160353d0
SHA1

13952b0a85856fbe0d8ba49887a9125569a54490
SHA256

3e70f4bcda45dd4fd17d29afb9dfe32043e2621ac0efb017bf111f0dcc3373d4
SHA512

522802d4d04448d2c8ad5e0d718edbb72f54db10e927b4df76db40f1b66b877e5ac19923778a37802b23fcd7965625f14bf84d5053bf3d6225d8fafc2f5e55e7
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QE:riAyLN9aa+9U2rW1ip6pr2At7NZuQE

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2308	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2520	7cf6112e482c5f3df51ce751160353d0N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2520-0-0x0000000000D10000-0x0000000000D38000-memory.dmp	upx
behavioral1/memory/2520-4-0x0000000000410000-0x0000000000438000-memory.dmp	upx
behavioral1/files/0x00080000000173de-6.dat	upx
behavioral1/memory/2520-7-0x0000000000D10000-0x0000000000D38000-memory.dmp	upx
behavioral1/memory/2308-8-0x0000000000EF0000-0x0000000000F18000-memory.dmp	upx
behavioral1/memory/2520-9-0x0000000000D10000-0x0000000000D38000-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"	7cf6112e482c5f3df51ce751160353d0N.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	7cf6112e482c5f3df51ce751160353d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2308	2520	7cf6112e482c5f3df51ce751160353d0N.exe	30
PID 2520 wrote to memory of 2308	2520	7cf6112e482c5f3df51ce751160353d0N.exe	30
PID 2520 wrote to memory of 2308	2520	7cf6112e482c5f3df51ce751160353d0N.exe	30
PID 2520 wrote to memory of 2308	2520	7cf6112e482c5f3df51ce751160353d0N.exe	30

C:\Users\Admin\AppData\Local\Temp\7cf6112e482c5f3df51ce751160353d0N.exe
"C:\Users\Admin\AppData\Local\Temp\7cf6112e482c5f3df51ce751160353d0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2308

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

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
76a7c0d21d3cfe553873cf11f1cf40a8

SHA1
871db0d95840cbdd982a61bca9e2100f853fb017

SHA256
58fb65387ca8dacc705fca7e2885b2d75f9873fef428066e65939c8b70159e3f

SHA512
345fdedc863b5d9cc1343050d5d6394eadf4f578a70e76fc8c139e2f9cb2a3bc614f31a5b567327ebf3c43b322a35d8f1702cb67e29c420134fa17537711b907

Download Submit
memory/2308-8-0x0000000000EF0000-0x0000000000F18000-memory.dmp

Filesize
160KB

Download
memory/2520-0-0x0000000000D10000-0x0000000000D38000-memory.dmp

Filesize
160KB

Download
memory/2520-4-0x0000000000410000-0x0000000000438000-memory.dmp

Filesize
160KB

Download
memory/2520-7-0x0000000000D10000-0x0000000000D38000-memory.dmp

Filesize
160KB

Download
memory/2520-9-0x0000000000D10000-0x0000000000D38000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads