800fdfc5fd94d1ab49af6354f974aa968dea2bbc931c605b5510cee9f2984017

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
03/02/2024, 07:01

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General

Target

8bb2d5eafc0eadc540ff413a12ec0850.pdf
Size

77KB
MD5

8bb2d5eafc0eadc540ff413a12ec0850
SHA1

940bd976a12f342dbf2074c20680fda30ae6f1d7
SHA256

800fdfc5fd94d1ab49af6354f974aa968dea2bbc931c605b5510cee9f2984017
SHA512

855da32876e8d654f563a3768c6055f33471d70137e6ef468fbdc6f2f82c6d99139314219202610c8d5d3a18abbfeb59a1d53580c6b29deb3f9e23f8a71678fe
SSDEEP

1536:xjLIzu2QPJvEO2abNdYUzXLEXcp1RwcTwyH+tL3WO046qA5yxAHMfJWUpO72kRa7:BIzKPxtVYk7f1OcTwyHkrrpAHMfs7w

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe
976	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 976 wrote to memory of 452	976	AcroRd32.exe	87
PID 976 wrote to memory of 452	976	AcroRd32.exe	87
PID 976 wrote to memory of 452	976	AcroRd32.exe	87
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 312	452	RdrCEF.exe	88
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89
PID 452 wrote to memory of 1400	452	RdrCEF.exe	89

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\8bb2d5eafc0eadc540ff413a12ec0850.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:976
- 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=860AFA46DA399E735B3F84A45F91EAF8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:312
- - 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=318BC41929E4397E46462F269DD416DF --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=318BC41929E4397E46462F269DD416DF --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1400
- - 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=E2EB1EB68235AE2EE97793799D386356 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5092
- - 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=F43DD1F66EDB800BB3FB701EF0E6D326 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4720
- - 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=C0CAAB98C2DA5E86315285221A4972DC --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=C0CAAB98C2DA5E86315285221A4972DC --renderer-client-id=6 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4496
- - 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=9B06033F946FC6F6609439F14A0433E2 --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5048

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
f78113fb1799913218ecabd30774c5e5

SHA1
c1849ed2d57a0686cd6794b1bbc961b0a2a95eeb

SHA256
66e30b3e645e84e80ea1031ddd183e4dc55f7a9dae9a550a193dbc277c74c1e5

SHA512
e795cdd44b059bb2b7d79c15c4f8f9bca91e5216c01167bff9954fb5effce355dfb9625d40832637086ae72660667e72253c5a0c9488c23ea50ea6c904a56e47

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/976-26-0x000000000AC70000-0x000000000ACC0000-memory.dmp

Filesize
320KB

Download