d1e86651573be6fa480b498ccd27285838690c1ab64f8054a16ab2f49ce4c72f

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 20:21

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General

Target

8a711c5f6665cc89648b12e3d748be2b.pdf
Size

105KB
MD5

8a711c5f6665cc89648b12e3d748be2b
SHA1

ed9867ec9710a55ebbc8ef3b478ff1b433a29d2d
SHA256

d1e86651573be6fa480b498ccd27285838690c1ab64f8054a16ab2f49ce4c72f
SHA512

2a9d1832f9a6aa1deabc5c3cbabca7333111d6f0029c95589555f4eba67bb64f960e6dbdda1b2ed5c4cf825f521f1e775d0b30919a4c93be8edd7840bf4e5429
SSDEEP

3072:Fnd44bJdDyalWsiIRmTc0CgtzlAACnVM+RAtQhi:Zd4CdDFosXOcYl063

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
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4176	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe
4176	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 452	4176	AcroRd32.exe	95
PID 4176 wrote to memory of 452	4176	AcroRd32.exe	95
PID 4176 wrote to memory of 452	4176	AcroRd32.exe	95
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 912	452	RdrCEF.exe	96
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97
PID 452 wrote to memory of 3460	452	RdrCEF.exe	97

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\8a711c5f6665cc89648b12e3d748be2b.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:4176
- 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:452
- - 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=22BD608592F7CA25123CBE3458CDC42D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:912
- - 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=D7E5AF2042EA6E0DDC65081F6F2167BE --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=D7E5AF2042EA6E0DDC65081F6F2167BE --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3460
- - 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=65311327FFD817890B5A65EEE51CA060 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1600
- - 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=508093969F600455043308B22FF8B3F2 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=065B0399F99C8DB4D6CC163CD78F1D25 --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=065B0399F99C8DB4D6CC163CD78F1D25 --renderer-client-id=6 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4228
- - 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=2BDAA9E8161C0F11E525CFE4348BFD54 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4564

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
2ec5933f961d259e4b887991bf59f321

SHA1
514907380114f29e6e5ee02f0977768341377521

SHA256
03c30c33d16dfccc8bfbe583d48218b003e6326c441133bfc0ff448fef9f5e6e

SHA512
beed81647af3ec12fec04f4ba540b34e28e3550135a9de362babc5407d5fbdb735d4d0168258b83eb7bdb321858fd22af02a473ea4e20a699ee0ad583dcc9060

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/4176-26-0x000000000C220000-0x000000000C270000-memory.dmp

Filesize
320KB

Download