8ac04875976ff5f2b443dde670ba53f812e7ffff42e72336482081bacb337f38

Resubmissions

29/12/2023, 08:01

231229-jw3ndsgah2 7

29/12/2023, 07:56

231229-jsp8wscgfm 7

Analysis

max time kernel
593s
max time network
646s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 08:01

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Report Analysis Logs

General

Target

_93E97C33EA3FADA1FF34686C2BDD6300.pdf
Size

7.0MB
MD5

ef2890a248073a5e87bbda89f38aad4f
SHA1

0f2244efb6af834fe45956bcd02ede13ae5d3cdf
SHA256

7e2ce5d9fb8aa72bfdc1ce1d736696ae13a4a07c2239666c586359a093434625
SHA512

6c417f29455cf84611ec633d99ab3c2969a28b8cad146471b87cc450e46eac2351db4a9ad495ce289078c8f8e1f2400c27939ad942056e073817cbbb9835be67
SSDEEP

196608:5+DYVVRD3wg3QiEheEYn+SpUXeGrskCoOKiMp:2YxD3uVsn+SuuG5CoOO

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3124	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 3876	3124	AcroRd32.exe	91
PID 3124 wrote to memory of 3876	3124	AcroRd32.exe	91
PID 3124 wrote to memory of 3876	3124	AcroRd32.exe	91
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 3380	3876	RdrCEF.exe	92
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93
PID 3876 wrote to memory of 2696	3876	RdrCEF.exe	93

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\_93E97C33EA3FADA1FF34686C2BDD6300.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:3124
- 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:3876
- - 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=C4CF139C30B49BB9E09B4A68E26C9BAA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3380
- - 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=5031FC40A2335B640A2113A0E089A5BB --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=5031FC40A2335B640A2113A0E089A5BB --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2696
- - 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=79406532618D337DEA9842825D995BFC --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=79406532618D337DEA9842825D995BFC --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4084
- - 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=296773891B0838107935B8242360D0CB --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=4656D89FFDDB63B1894ED8A7F3C2EF8C --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1280
- - 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=CF1FCA6FC8D711E22145CC114FD43B4E --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2220

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3844

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
2e48bfcb79a500ce4f94ebc1b53db04a

SHA1
ac84e29e80b75823519d8aff066e1f112a06d0ec

SHA256
360bd57828118af4f83b908cc344114ac38642c57cd5e80ec6fd3f53cc703f3a

SHA512
f5e6e0d6889188b080fe38561d9ef2401cbee318cb33573e1e17f756a19eabc991b39477598c34ae149cccfcd251d29eecc74740d41b2b1ebaef7213985a132c

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit