107639ba012ed2d19bfb9d2b774b9e22fd9c6d069fc0d7d4bc2aa3602dc4e3b1

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 06:57

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General

Target

d57bc51e45cf444089e7dbe2dfc61cbc.pdf
Size

82KB
MD5

d57bc51e45cf444089e7dbe2dfc61cbc
SHA1

f02e149c6cc605f8835a4f86a7b24e8d2738fb8b
SHA256

107639ba012ed2d19bfb9d2b774b9e22fd9c6d069fc0d7d4bc2aa3602dc4e3b1
SHA512

da84bf121e4ee954ca8bf35b9d39d0adf9ee7fe27ffc07d9136b9c322ea48bef872cc33b18f7538b935146da89a2ef81261823e7cc9cfb2e11cc8735f88861f9
SSDEEP

1536:B1bE6j+gZUrkT6qhXuH4jjpcySUfQkBHlKMtucwGWxqeqw2GDQOEqW8pO+ckwi:rdNZUonXuYVhSUIkBFKM5wXqzw2gQTVu

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe
2904	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 824	2904	AcroRd32.exe	96
PID 2904 wrote to memory of 824	2904	AcroRd32.exe	96
PID 2904 wrote to memory of 824	2904	AcroRd32.exe	96
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 2124	824	RdrCEF.exe	100
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101
PID 824 wrote to memory of 4444	824	RdrCEF.exe	101

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\d57bc51e45cf444089e7dbe2dfc61cbc.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:2904
- 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:824
- - 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=CC5CAE16B64E00EF78F014139585E6FA --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2124
- - 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=FCEC5251E844563C279F963FB9334299 --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=FCEC5251E844563C279F963FB9334299 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4444
- - 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=90D2348A896247735E24DE4E503B898E --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=90D2348A896247735E24DE4E503B898E --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1560
- - 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=ECDF20827D3D5D8299F3730ACC3CE755 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2672
- - 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=0A3CF8629523D68173A95E7BA299D2FC --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4556
- - 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=B829F92EBCDDF7569180FDEAD585FABB --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3068

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
e6000c7a3436ce590b452f67946dd134

SHA1
972f2ad4f924a1c9a31957666263ddbc95cea459

SHA256
2e5e3f09a6f3633fdc5951a8afcfcf08dadb6f1af8eedc2299232853e77d9ed4

SHA512
24521947a9278022ed4c584c5c3b3eb2721b4884a1fbe884235104ce6cff95018a07cc278f7c0dfa463f9d5ead2838e39958907328cc629fd6d987f6cbb7d356

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