8a6cc90c81a3cb25983cb423a94ad5853143bbb7beefb7d1c7a2cc29d763d9c4

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:08

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General

Target

1071dd03556580690109095a498cfc78.pdf
Size

85KB
MD5

1071dd03556580690109095a498cfc78
SHA1

a4ea227a9c1d879cd3e06ea9471c5dfa7df6e483
SHA256

8a6cc90c81a3cb25983cb423a94ad5853143bbb7beefb7d1c7a2cc29d763d9c4
SHA512

528794c4bd650eeca88a22206e2d936ff421209e830084a394781175c33b8b755c8746661c8f7a3e83b97624dfccef9f4f5df1041de5e75f600350669a4827dd
SSDEEP

1536:vgOo7RB8oaJEn3E/lpBgLlTr/hOjtR/5LcWQpOCoWEpuVj2WFYKG3yUMDj:Iz1nApShwjJnCUpYiWFzG3/g

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe
4832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 5052	4832	AcroRd32.exe	89
PID 4832 wrote to memory of 5052	4832	AcroRd32.exe	89
PID 4832 wrote to memory of 5052	4832	AcroRd32.exe	89
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 5008	5052	RdrCEF.exe	90
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91
PID 5052 wrote to memory of 2056	5052	RdrCEF.exe	91

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\1071dd03556580690109095a498cfc78.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4832
- 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:5052
- - 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=EFCE7F828A3899BA4539416A370A3255 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008
- - 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=C80AD78EABC048A16B8405D3049C1402 --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=C80AD78EABC048A16B8405D3049C1402 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2056
- - 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=F9D7167603B17B617EA218E2579C7CA2 --mojo-platform-channel-handle=2144 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1996
- - 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=F709201569FC1C465A7942179D717C93 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3976
- - 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=60F882D72C893CE2F0259AFE79309A71 --mojo-platform-channel-handle=1792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3732
- - 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=08609ADF7FAE57B860848B0439AD582A --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=08609ADF7FAE57B860848B0439AD582A --renderer-client-id=7 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1172

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3948

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
41d5fb92a0d8b1fcf51d572a52d507d4

SHA1
009d43fe2b2fe5f478dde498ddb872c1ccf0cd67

SHA256
7a66a8c7e376931c232d0eb8391e350cf436f3867659d24182d80fa4584423ad

SHA512
cb2f9952931bbe18dca69feffdc9ca5d3989bc19c7152a01a98768226241080bb500d36a1feb240998e2861d41841be1cbbc9d53782b3c24cea8e57bc54f8672

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