5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 21:41

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General

Target

5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007.exe
Size

134KB
MD5

02f33f7fd0ef08e99babf0e0e892a753
SHA1

1c0a3e59e36b83bb842694ea8ed96068c9fd5088
SHA256

5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007
SHA512

6636e75f87fce7549a3fe6d8eb521e2da3c6d834bf1907063076408f29994738ad7459da1c8757207783983aede2a54f19565bd37c90a6f82af194158cd914a9
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qu:riAyLN9aa+9U2rW1ip6pr2At7NZuQu

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral1/memory/1712-0-0x0000000000260000-0x0000000000288000-memory.dmp	UPX
behavioral1/files/0x0036000000015c6d-2.dat	UPX
behavioral1/memory/1712-4-0x00000000000F0000-0x0000000000118000-memory.dmp	UPX
behavioral1/memory/2588-7-0x0000000000F40000-0x0000000000F68000-memory.dmp	UPX
behavioral1/memory/1712-8-0x0000000000260000-0x0000000000288000-memory.dmp	UPX
behavioral1/memory/1712-9-0x0000000000260000-0x0000000000288000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2588	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1712-0-0x0000000000260000-0x0000000000288000-memory.dmp	upx
behavioral1/files/0x0036000000015c6d-2.dat	upx
behavioral1/memory/1712-4-0x00000000000F0000-0x0000000000118000-memory.dmp	upx
behavioral1/memory/2588-7-0x0000000000F40000-0x0000000000F68000-memory.dmp	upx
behavioral1/memory/1712-8-0x0000000000260000-0x0000000000288000-memory.dmp	upx
behavioral1/memory/1712-9-0x0000000000260000-0x0000000000288000-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"	5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2588	1712	5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007.exe	28
PID 1712 wrote to memory of 2588	1712	5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007.exe	28
PID 1712 wrote to memory of 2588	1712	5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007.exe	28
PID 1712 wrote to memory of 2588	1712	5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007.exe	28

C:\Users\Admin\AppData\Local\Temp\5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007.exe
"C:\Users\Admin\AppData\Local\Temp\5a7f99e23619e2bff6321196c64f7efa50307d95b86d15bfa6bcbc504d20c007.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1712
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2588

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
9b97879916aa7dd16237926ba834ca56

SHA1
65ccf96551adc3064bb8e2b9fe8f7ac90b91a082

SHA256
7a6ade0a90e8cd364ae1c09f433cdb6752c89f4ee64a4b6396ae3d5f263ab0f5

SHA512
2d5e0e7bc122eff02926da4e8fad65620497125b4dd9d06d418a10d15936aa968eac5d98e02aa6ce1b734442248d2bcdd3a7e7f225908186810ae3d56f8f0b00

Download Submit
memory/1712-0-0x0000000000260000-0x0000000000288000-memory.dmp

Filesize
160KB

Download
memory/1712-4-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/1712-8-0x0000000000260000-0x0000000000288000-memory.dmp

Filesize
160KB

Download
memory/1712-9-0x0000000000260000-0x0000000000288000-memory.dmp

Filesize
160KB

Download
memory/2588-7-0x0000000000F40000-0x0000000000F68000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads