f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f

Analysis

max time kernel
151s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 09:55

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General

Target

f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe
Size

254KB
MD5

3706012b64ec33cc42fc0fa5ab16f59c
SHA1

5fccfc16a2a9a2bf8f65146bc1475c74246e14f8
SHA256

f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f
SHA512

7804f64b11c0799123d0b5336a5e0d9d6e6b1e84645d3c86bbe2b7225be51072ad97750d2312defe0375fa369d8799bb687b07d9b5a0cc978e311fce76dea6d0
SSDEEP

6144:/eJX9qXL9zZNLGkrOmfmMcctVRYaxU6xy:WJ9qXL9VNCBm+IDRY

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/740-132-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/740-135-0x0000000000400000-0x00000000004A5000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\x = "C:\\Windows\\system32\\x.exe"	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\x.exe	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe
File opened for modification	C:\Windows\SysWOW64\x.exe	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.xxxsupersearch.info"	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4400	msedge.exe
4400	msedge.exe
2348	msedge.exe
2348	msedge.exe
776	msedge.exe
776	msedge.exe
776	msedge.exe
776	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs

pid	Process
2348	msedge.exe
2348	msedge.exe
2348	msedge.exe
2348	msedge.exe
2348	msedge.exe
2348	msedge.exe
2348	msedge.exe
2348	msedge.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2348	msedge.exe
2348	msedge.exe
2348	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 2348	740	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe	84
PID 740 wrote to memory of 2348	740	f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe	84
PID 2348 wrote to memory of 3760	2348	msedge.exe	85
PID 2348 wrote to memory of 3760	2348	msedge.exe	85
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4544	2348	msedge.exe	89
PID 2348 wrote to memory of 4400	2348	msedge.exe	88
PID 2348 wrote to memory of 4400	2348	msedge.exe	88
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90
PID 2348 wrote to memory of 4928	2348	msedge.exe	90

C:\Users\Admin\AppData\Local\Temp\f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe
"C:\Users\Admin\AppData\Local\Temp\f45c635c74e92ac897094026d8680df676e9f4915385828973a3f4ddbf4ec24f.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Modifies Internet Explorer start page
- Suspicious use of WriteProcessMemory
PID:740
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.youtubeofhdporn.com/ads/open.php
  2⤵
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ff81f7546f8,0x7ff81f754708,0x7ff81f754718
    3⤵
    PID:3760
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2428 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4400
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2104 /prefetch:2
    3⤵
    PID:4544
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2896 /prefetch:8
    3⤵
    PID:4928
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3844 /prefetch:1
    3⤵
    PID:3972
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3852 /prefetch:1
    3⤵
    PID:1192
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5008 /prefetch:8
    3⤵
    PID:2148
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5004 /prefetch:1
    3⤵
    PID:4824
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5352 /prefetch:1
    3⤵
    PID:1424
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4244 /prefetch:8
    3⤵
    PID:376
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4544 /prefetch:1
    3⤵
    PID:1420
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4336 /prefetch:1
    3⤵
    PID:3584
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6436 /prefetch:1
    3⤵
    PID:1436
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1284 /prefetch:1
    3⤵
    PID:1224
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,3589221357855077189,12431861910433971372,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4420 /prefetch:2
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:776

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:376

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/740-135-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/740-132-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download