093c9ad8c70d334aea69f87c55e24e74f48df9713f89a634fdb3401a14e4b428

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2024 09:11

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General

Target

79d7266c94402afc52d72866a354cf77.pdf
Size

73KB
MD5

79d7266c94402afc52d72866a354cf77
SHA1

36db8529745e1132b5bf89c91d4dbb91bf42711d
SHA256

093c9ad8c70d334aea69f87c55e24e74f48df9713f89a634fdb3401a14e4b428
SHA512

d897c235e35af49998e22924719fc9619fc02beff1f8d0bc634b0e27669ea36d06a1a754d2f90defff3566627c4eddf136072ae50750f892665263ae99946f8c
SSDEEP

1536:7gztK3mNFExNWejWoqEqkIWHrWQgcVPxhW6pOu2Ae2dcxC:kKmNFExwejWoxq5WHrLxCu2AP1

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 4472	4104	AcroRd32.exe	90
PID 4104 wrote to memory of 4472	4104	AcroRd32.exe	90
PID 4104 wrote to memory of 4472	4104	AcroRd32.exe	90
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3068	4472	RdrCEF.exe	93
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	RdrCEF.exe	94
PID 4472 wrote to memory of 3528	4472	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\79d7266c94402afc52d72866a354cf77.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:4104
- 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:4472
- - 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=A026452DA7BBBEE0F1D37E8A2BE91165 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3068
- - 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=1B5D7FD14E2475153D6F3CBE7790E377 --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=1B5D7FD14E2475153D6F3CBE7790E377 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3528
- - 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=6303EA8B65F55B8EFB434AF07897C0AC --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:792
- - 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=F502283E00158EB8257D0321551E9FA7 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4356
- - 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=E3B88DFB8566FEE173634594BCEEF094 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1020
- - 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=843BCFBB89DAB050A3F537AA6B0D6C62 --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=843BCFBB89DAB050A3F537AA6B0D6C62 --renderer-client-id=7 --mojo-platform-channel-handle=2488 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1960

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2092

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
ffd3b73d985559ea5403a12e39f8b632

SHA1
a291e1039de5294276c2f27bb50faf1bce7856bb

SHA256
2f274cbab0d6108f07de60e63723ced724c45ff0f51b7cfd63c1f6073fc297e6

SHA512
d8dadbcfe169abfc4d039df1d5c53671903e26664f1c82c42d2943d40b7a86e5379239d6d46f7c78cf090bbd44bb9ba8200ebd115e6811c878e33f4b7495801d

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