cba0dcc184d330d4d3c7c2fe9d0452062763796012aff7a37bd67fb7166612e6

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 19:49

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General

Target

023ff9a20f621132b306ce18b8daa6a1.pdf
Size

76KB
MD5

023ff9a20f621132b306ce18b8daa6a1
SHA1

d9ffcb7fb6e26c9afd607e7ccacac7fece30d560
SHA256

cba0dcc184d330d4d3c7c2fe9d0452062763796012aff7a37bd67fb7166612e6
SHA512

39abc5f668bd43eef25290627f392757fef70a111f344b09871f6f6851fe88833a59e8f10529a4b27cbe0b9af2cb02755c003c76af15d5ab359068a1f3d0fa2b
SSDEEP

1536:6i9ZXz9YKdAxkGupMz1IZXEKFu6driSn1ZqDtxM4YR5IUFZ:V9bzdAxnyZXT5hqD7M4Y/IC

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
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe
4900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 5028	4900	AcroRd32.exe	89
PID 4900 wrote to memory of 5028	4900	AcroRd32.exe	89
PID 4900 wrote to memory of 5028	4900	AcroRd32.exe	89
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 3484	5028	RdrCEF.exe	90
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	RdrCEF.exe	91
PID 5028 wrote to memory of 2968	5028	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\023ff9a20f621132b306ce18b8daa6a1.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:4900
- 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:5028
- - 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=6C6EFB695A134C18247F46FEE40A8C16 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3484
- - 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=34CC4556A7601678C9E8D73DC5BAEF05 --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=34CC4556A7601678C9E8D73DC5BAEF05 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2968
- - 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=AF3CC5793CB6AC4D98D4082670542626 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2400
- - 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=ABF8F75D5BEF3BAA4B010A442C965A6A --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1920
- - 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=E646A3996CD49E432597EFB94EFD1E5F --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=E646A3996CD49E432597EFB94EFD1E5F --renderer-client-id=6 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3044
- - 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=D8921FFB1DB38E7FEFE6AB56479EC4D0 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5064

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
b0719a7f57bca92b8e49dc55cd8890bd

SHA1
7c5f11ad9c0bab4bd9d49138a7a976e2faf40d01

SHA256
1b95c3b5c733dba21845d95115994a3de8cb3072cf3e7bab5ce1a86f524945e4

SHA512
7afd87ed6bb06c926227718a89378e81fc12efd97241686fc9dc83ae5d321a82bb4918d2787dcd19a626339e348cae4ab0153f2cf5ec441da1e73fb9744a8806

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