94155cafa8745f2d52fa1ee390f4e362e54e10db5e1f7de4e97d502c3d3c83d4

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 02:57

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General

Target

c4cc82af1b9d77f398e6caaf449a4779.pdf
Size

120KB
MD5

c4cc82af1b9d77f398e6caaf449a4779
SHA1

554e5f2ca2e26b15a94190fa7c7eab0d348888ea
SHA256

94155cafa8745f2d52fa1ee390f4e362e54e10db5e1f7de4e97d502c3d3c83d4
SHA512

22f1ee4f78021ad9140a76f893db04958f4d2511479f01d0c80b318bcdf336a372158f0f414649354d4e34c6bf291852860140c40804c1be3551cfeb55b7085d
SSDEEP

3072:zxhYOhgFN113OtPcNNkoG8TPgo2XgFo1rTTs/e:9rhuj0+Wcgokh

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 1936	208	AcroRd32.exe	94
PID 208 wrote to memory of 1936	208	AcroRd32.exe	94
PID 208 wrote to memory of 1936	208	AcroRd32.exe	94
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 4920	1936	RdrCEF.exe	96
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	97

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\c4cc82af1b9d77f398e6caaf449a4779.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:208
- 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:1936
- - 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=16799B39E4E5AA318A30CF0F84B74152 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=0290D6BCD201EBC938B970C30E839924 --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=0290D6BCD201EBC938B970C30E839924 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3176
- - 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=43662A85DE2A5FB7C4176C1815BE35B2 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=D3B42DD7B5E1C5E503751442ECBE4DFB --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=D3B42DD7B5E1C5E503751442ECBE4DFB --renderer-client-id=5 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3328
- - 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=D8807102147C96E0D6D7B4FD64A5A332 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4616
- - 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=FCDCAE44FD68EA9854724FFDBFAB8FEB --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2996

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
99ccfcd4af8ae82fb124ca7de714d7d2

SHA1
fd3e0706cb5d1040a7f59052e348b9339c203356

SHA256
d8188f0da6e3498273b1ab028edcb07f0194126d3a2d5af223cb2b35ae5d2c30

SHA512
cdf49e786c7ca716d6b417e76e0b8f4c033a1e77a9227091872906677a80111886ca535eabbc86b06e0c4996b70a791ea6ca7e9b818478562729fbdfba673018

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/208-28-0x000000000DF90000-0x000000000DFB1000-memory.dmp

Filesize
132KB

Download