f87afdb24721791be0b5b0a400b20a4f6545f8738b6a6665e1b0d09213c43b5f

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 13:03

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General

Target

r01-25Arrival.exe
Size

618KB
MD5

bec209eaa0b01e498c6c9ad2125dbf14
SHA1

09913142c461e6f00db09fbe439d35a8d415a224
SHA256

f87afdb24721791be0b5b0a400b20a4f6545f8738b6a6665e1b0d09213c43b5f
SHA512

2456da62da5cd70121442398d722eef872256fa444ee9e7dc1c0f1a089392b7e5928c32a65bc988b3a2515a25b5455000c41275f47e147b5d3a4ec5ae89d3115
SSDEEP

12288:vU3Yks4nIsHm/wBzG1kmEbgIgcj4ZayL6/Qc1/IuR6:vJ8nIsGIBzr8Igcj40ykquR

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4020 set thread context of 1940	4020	r01-25Arrival.exe	97
PID 1940 set thread context of 3428	1940	r01-25Arrival.exe	57
PID 1940 set thread context of 2500	1940	r01-25Arrival.exe	99
PID 2500 set thread context of 3428	2500	netiougc.exe	57

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netiougc.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
1940	r01-25Arrival.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1940	r01-25Arrival.exe
3428	Explorer.EXE
3428	Explorer.EXE
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe
2500	netiougc.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3428	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 1940	4020	r01-25Arrival.exe	97
PID 4020 wrote to memory of 1940	4020	r01-25Arrival.exe	97
PID 4020 wrote to memory of 1940	4020	r01-25Arrival.exe	97
PID 4020 wrote to memory of 1940	4020	r01-25Arrival.exe	97
PID 4020 wrote to memory of 1940	4020	r01-25Arrival.exe	97
PID 4020 wrote to memory of 1940	4020	r01-25Arrival.exe	97
PID 3428 wrote to memory of 2500	3428	Explorer.EXE	99
PID 3428 wrote to memory of 2500	3428	Explorer.EXE	99
PID 3428 wrote to memory of 2500	3428	Explorer.EXE	99
PID 2500 wrote to memory of 3220	2500	netiougc.exe	100
PID 2500 wrote to memory of 3220	2500	netiougc.exe	100
PID 2500 wrote to memory of 3220	2500	netiougc.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\r01-25Arrival.exe
  "C:\Users\Admin\AppData\Local\Temp\r01-25Arrival.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4020
- - C:\Users\Admin\AppData\Local\Temp\r01-25Arrival.exe
    "C:\Users\Admin\AppData\Local\Temp\r01-25Arrival.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:1940
- C:\Windows\SysWOW64\netiougc.exe
  "C:\Windows\SysWOW64\netiougc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1940-22-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1940-23-0x0000000000F60000-0x0000000000F7D000-memory.dmp

Filesize
116KB

Download
memory/1940-15-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1940-16-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1940-18-0x0000000000F60000-0x0000000000F7D000-memory.dmp

Filesize
116KB

Download
memory/1940-17-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1940-14-0x0000000001510000-0x000000000185A000-memory.dmp

Filesize
3.3MB

Download
memory/1940-11-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2500-25-0x00000000008C0000-0x00000000008FA000-memory.dmp

Filesize
232KB

Download
memory/2500-28-0x00000000008C0000-0x00000000008FA000-memory.dmp

Filesize
232KB

Download
memory/2500-26-0x0000000000FB0000-0x000000000104C000-memory.dmp

Filesize
624KB

Download
memory/2500-24-0x0000000001180000-0x00000000014CA000-memory.dmp

Filesize
3.3MB

Download
memory/2500-20-0x00000000008C0000-0x00000000008FA000-memory.dmp

Filesize
232KB

Download
memory/2500-21-0x00000000008C0000-0x00000000008FA000-memory.dmp

Filesize
232KB

Download
memory/3428-37-0x00000000086A0000-0x00000000087A2000-memory.dmp

Filesize
1.0MB

Download
memory/3428-30-0x00000000086A0000-0x00000000087A2000-memory.dmp

Filesize
1.0MB

Download
memory/3428-29-0x00000000086A0000-0x00000000087A2000-memory.dmp

Filesize
1.0MB

Download
memory/3428-27-0x000000000C580000-0x000000000DD83000-memory.dmp

Filesize
24.0MB

Download
memory/3428-19-0x000000000C580000-0x000000000DD83000-memory.dmp

Filesize
24.0MB

Download
memory/4020-3-0x0000000005420000-0x00000000054B2000-memory.dmp

Filesize
584KB

Download
memory/4020-6-0x0000000007BC0000-0x0000000007BD8000-memory.dmp

Filesize
96KB

Download
memory/4020-1-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/4020-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

Filesize
5.6MB

Download
memory/4020-8-0x0000000007710000-0x000000000771C000-memory.dmp

Filesize
48KB

Download
memory/4020-5-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/4020-0-0x0000000000990000-0x0000000000A30000-memory.dmp

Filesize
640KB

Download
memory/4020-4-0x00000000053D0000-0x00000000053E0000-memory.dmp

Filesize
64KB

Download
memory/4020-13-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/4020-7-0x00000000076E0000-0x00000000076E8000-memory.dmp

Filesize
32KB

Download
memory/4020-10-0x0000000008FB0000-0x000000000904C000-memory.dmp

Filesize
624KB

Download
memory/4020-9-0x0000000007BE0000-0x0000000007C5E000-memory.dmp

Filesize
504KB

Download