8a1f9f940efcdf01df22c7e47a1a47fc259130444d4cbd489ab2bf69ab5dba66

Analysis

max time kernel
145s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 08:25

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General

Target

1358c9d420d5262740a76bb851882e18.pdf
Size

93KB
MD5

1358c9d420d5262740a76bb851882e18
SHA1

97395625c50dcd94028dfad03c5b853ed19332af
SHA256

8a1f9f940efcdf01df22c7e47a1a47fc259130444d4cbd489ab2bf69ab5dba66
SHA512

adcb5056d6dba24096066ca0d36f6d58482490ac8260c5c68ce938029030c1ffed114fdbc4b3e4b74def86bbe42c2b8e55fdfd3401cf9d5a13abd879bd49b3b3
SSDEEP

1536:tS9wVh1DG3vhMR7+x53w2NHtc2KKHzRsJedxm7+TFDpjtasOfadOmH4nkWspO2ry:c9w43v87u53HRKSsJedxm7+TF/3t54n7

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 1696	4032	AcroRd32.exe	92
PID 4032 wrote to memory of 1696	4032	AcroRd32.exe	92
PID 4032 wrote to memory of 1696	4032	AcroRd32.exe	92
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 2696	1696	RdrCEF.exe	95
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96
PID 1696 wrote to memory of 3972	1696	RdrCEF.exe	96

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\1358c9d420d5262740a76bb851882e18.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:4032
- 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:1696
- - 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=9E315CD696ED1C9538ED5FED3B2CA0ED --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2696
- - 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=0BF1A6DA4E38EEF488CDFDFA2D6DFF7B --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=0BF1A6DA4E38EEF488CDFDFA2D6DFF7B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3972
- - 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=1CCB4A173BB3AB2EBF7135309E3A9E25 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1400
- - 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=5CF7947B9DBC0234857576225721F428 --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=5CF7947B9DBC0234857576225721F428 --renderer-client-id=5 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2080
- - 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=A674DFA017A9F6F0CC902FEFC4B47CF7 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2176
- - 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=FA90514899DEB889A237A2EA2027BBEC --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4544

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
195507b2c46cb8e4898c30b65f067ab9

SHA1
7420c58f80b44ae96aef5512ed967f4f8985220c

SHA256
4db1f91ca77b9a562e7c9a7af54498689cf0a6175251e388b462f68b1003185d

SHA512
1b10f9750281bb4b709e112eb7f0866d2b31fe36efab8c0f741f1240a6be303f62742647d120056766bde42bb2ae32f678c3f855c5252ee256dbe72c511c332c

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/4032-26-0x00000000095D0000-0x0000000009620000-memory.dmp

Filesize
320KB

Download
memory/4032-27-0x00000000095D0000-0x00000000095F1000-memory.dmp

Filesize
132KB

Download