56dc9042e89d5bdd872bd8d1502fec44a70af08fd68085ee038697339285074c

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 14:02

Sharing

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General

Target

8f55706f5e6be4b2bdf27ada9eaa836f.pdf
Size

28KB
MD5

8f55706f5e6be4b2bdf27ada9eaa836f
SHA1

5e47ac4757e6898eb23a28cf294bbab35dc8fda6
SHA256

56dc9042e89d5bdd872bd8d1502fec44a70af08fd68085ee038697339285074c
SHA512

2aff4cbb4d1cf8fc398cab133d17a46c4f8d70a28c418d15c129bcefa4726f3f8b2d63690364e299710855f133ac5e8d31c8b6ba8a3ec7af3f9db14dfe429b84
SSDEEP

768:MTIH2tPceejscFzi7aL78ar5moOf2iObMwjWCzsljmuyC:MThejscFG7OZLC

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1100	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe
1100	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 4256	1100	AcroRd32.exe	89
PID 1100 wrote to memory of 4256	1100	AcroRd32.exe	89
PID 1100 wrote to memory of 4256	1100	AcroRd32.exe	89
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 3312	4256	RdrCEF.exe	90
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	RdrCEF.exe	91
PID 4256 wrote to memory of 644	4256	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\8f55706f5e6be4b2bdf27ada9eaa836f.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:1100
- 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:4256
- - 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=97C01B38AB0FDD032110C5BBD64AE710 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3312
- - 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=2592829470F27A50599A5CDFD2BAD162 --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=2592829470F27A50599A5CDFD2BAD162 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:644
- - 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=A09B3FB50F3EF4EE717DA26CC9DDE2E7 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864
- - 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=0FEB61DA9DB305D12F66CB7CF08483D1 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4564
- - 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=6C091E604A8B59E7F911DF75067CA4C0 --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=6C091E604A8B59E7F911DF75067CA4C0 --renderer-client-id=6 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1796
- - 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=F0008CFFB561682348CFBD86AC014F86 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4960

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
c6cf16c5ab7c471a871ed7e8b0230629

SHA1
cff4deb3cbb8b95203aa8be4bf5c57ab54d179d0

SHA256
46e1bd130b40670687828071eeb8709eefca30563fdf61abb4a7d21a601206c2

SHA512
f3b261cedcb9c6840876f55148954ae5ab38b1376dc5d2d331e247aba87734b1715c3e28c93fb2b6e43739d082a4ce4403bb18e166a76fac8ec96e7146d703a5

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