9efec71ad7d777f31faec653a203b66a0ffce86e24cdd7e87ee9b14837cb89d2

Analysis

max time kernel
140s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2023, 08:44

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General

Target

SiL3QjQCkze2u1t1ThVBqUXn7A25vgFxDlydf8nqCccIJIGX2OH8CGMm1swYHgPVnlWVRGExaj8wwWCLgfqUGNYuwkWh9WSHQHJr.pdf
Size

120B
MD5

357d616909c36be13731f9854a98faac
SHA1

e40eee4415ee5f2f63c0d5c835198190f00b8e55
SHA256

7606d133eadf18c8bb90f5175f31e6e20a2819965e828f1c8ccf63d95f37c43b
SHA512

b4cc85eef84811b6eaddff988cb894e425567f04d80e24fe35089d7d53aa42884edcf8762d8cf03e6fd5b5277c373b0a4f0d2bfcafb50390e1d79ce8f997509a

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 4448	4424	AcroRd32.exe	90
PID 4424 wrote to memory of 4448	4424	AcroRd32.exe	90
PID 4424 wrote to memory of 4448	4424	AcroRd32.exe	90
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 3456	4448	RdrCEF.exe	91
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92
PID 4448 wrote to memory of 4196	4448	RdrCEF.exe	92

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\SiL3QjQCkze2u1t1ThVBqUXn7A25vgFxDlydf8nqCccIJIGX2OH8CGMm1swYHgPVnlWVRGExaj8wwWCLgfqUGNYuwkWh9WSHQHJr.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4424
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4448
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=9547CAB3E05A9594E7E60ABC141CEE65 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3456
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=96714A3042DCF2E0CD8546ACDB760C4C --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=96714A3042DCF2E0CD8546ACDB760C4C --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4196
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=916D644AE52AA724854A9BE6A8A5775A --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2B5BF18525615CB4EB858F2901411103 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3832
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=1E074392F92F8BFEE26E6F866BA9B484 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4320

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
ba748906c417199f15a3f5678c74a3ec

SHA1
eee259b65dab2f41a623741d95c21da00fce7228

SHA256
184a703255a83f39fee9e12e9323c9e107660b7a479dcdb120bd7135a2d8d389

SHA512
c5ffbff67ab1a65be79c0cbd998ca8ead859b9077bde093a27caef9671aa46cafc122715cc24aeba8b501071331d387142ab3858ff78cfce72b5976b3c288373

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4424-128-0x000000000A290000-0x000000000A53B000-memory.dmp

Filesize
2.7MB

Download