9667d705aacbcd9ea6ab84d42f25827d32494c1b25a1670d6069f37a6b220a71

Analysis

max time kernel
141s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 14:29

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General

Target

c3e084fadcc1f4c556a0973cb29e3f7a.pdf
Size

45KB
MD5

c3e084fadcc1f4c556a0973cb29e3f7a
SHA1

07977874b76cf1b5c5b773f46eb65c485895aea6
SHA256

9667d705aacbcd9ea6ab84d42f25827d32494c1b25a1670d6069f37a6b220a71
SHA512

9cbf4615f6f3fa9c841d4c084ba654025764fd21198183eb9fd72f13c69f5d11c61b3695039b488494feae695839946cff0bf9121b7c7940453829b1d67891fa
SSDEEP

768:b1Hfd24BLB8MwoRWVEQV8VwN1YYJG+amzqjfgc5YIXuxUqHXzNqI2GbhAeeuqqjL:LbBOMwJ5Vb8YJGJljIc5H+bzNqpGbTcu

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 5072	4976	AcroRd32.exe	93
PID 4976 wrote to memory of 5072	4976	AcroRd32.exe	93
PID 4976 wrote to memory of 5072	4976	AcroRd32.exe	93
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 2156	5072	RdrCEF.exe	95
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94
PID 5072 wrote to memory of 920	5072	RdrCEF.exe	94

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\c3e084fadcc1f4c556a0973cb29e3f7a.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:4976
- 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:5072
- - 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=FF0D3633C59F9C22F2812843543B42BF --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=FF0D3633C59F9C22F2812843543B42BF --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:920
- - 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=DB6C0A58196D09CFEF1FB148E78A02BB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2156
- - 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=875015EF270F7ABB8A689FF64D3B2B55 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3088
- - 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=BC2D4123936B31E2BDEB068D6394C2DD --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1372
- - 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=98320E9465631B83D214172470162FC4 --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=98320E9465631B83D214172470162FC4 --renderer-client-id=6 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2964
- - 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=C20AED9C4364694B55E388CE5BABA315 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3280

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
a684abd614ade67a5c6e0355fdc6497f

SHA1
475d6f4449c137bdb41643c73abd061e589dbbc2

SHA256
b2299251583785c34641e38ccee358ca1d28e62ac3bd0e1e24ff2b12527ee5ac

SHA512
0e11bef8c064c04dd8862cc235c4b18e555169829bca4af36e1cab62fb7797ad17ab88145ee09bb6f50aa6523893eb35eda333f6a559bc7c2535f1b0b91f6f09

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