5c5af6fb8f21b6479e41c5862b54ff8e13c38fcca99bd80e8adf59c58869b1ab

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 06:51

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General

Target

5acc1a03dc5d0d26e275e1a757b1775f.pdf
Size

197KB
MD5

5acc1a03dc5d0d26e275e1a757b1775f
SHA1

d0e16e051e50c3fdb41fac40c69dd7728e7fadb7
SHA256

5c5af6fb8f21b6479e41c5862b54ff8e13c38fcca99bd80e8adf59c58869b1ab
SHA512

bac78cfcd1511ae7ef4f8cdfdc4ad977fecfab6531d5a14e7902f3c8ae5f92aaed5b4d5c46f07d52e3c93823a4f70a563d749e79900b03ac22787e7f2d004235
SSDEEP

3072:LX3M1JDxOLCTNu5AvFjBmYa5iLf2SFDGjXeCJJCWsYUIKVXjYmg2usUwrpFSxk2T:Lnq9O2BuAvla5iLhueCJJCWaIKzVjFwT

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1916	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2992	1916	AcroRd32.exe	91
PID 1916 wrote to memory of 2992	1916	AcroRd32.exe	91
PID 1916 wrote to memory of 2992	1916	AcroRd32.exe	91
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 2860	2992	RdrCEF.exe	92
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93
PID 2992 wrote to memory of 5016	2992	RdrCEF.exe	93

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\5acc1a03dc5d0d26e275e1a757b1775f.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:1916
- 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:2992
- - 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=8245D7BEBBBB94D870728EF1D408325D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2860
- - 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=A3AA3B14A17E8F59E30832F6C15236E3 --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=A3AA3B14A17E8F59E30832F6C15236E3 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5016
- - 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=86E2E8BEB1FAD3B286CE481B9B7E8305 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3944
- - 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=05846CC83A2352B67866FEFB70536D11 --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=05846CC83A2352B67866FEFB70536D11 --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2308
- - 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=C3CCF88D28D46ED58E877BBD6812B928 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624
- - 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=046A3938FACC9EA922166A5730DB5370 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3848

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
b72158cc1ac9a962b8517f5c617a6387

SHA1
dd1d5dcc8441c7a7d342ca2a60f7ef438949a5d1

SHA256
703aec4ee9af004ccddca103f26148869d66e8e066e6bca87f408fee624c26ab

SHA512
dd99bd66045b2c75a159279e12a1e5fc5d117efe859644e0101a2098bb8c6c5d97c94160f8a3576040b14697caa9ad89ee63287b0bcad1adc42e210f0ed12bdd

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/1916-28-0x000000000EE70000-0x000000000EE91000-memory.dmp

Filesize
132KB

Download