5b65d6b189c0da22285324c4ea4695bfb4bba00e15cda1c1c60ec681fab2c40b

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
15/03/2024, 20:38

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General

Target

cc5faacdba3e9764908289bb80d7bfdb.pdf
Size

85KB
MD5

cc5faacdba3e9764908289bb80d7bfdb
SHA1

acdc2bba47ae1927f442737058651c33b64cf6c7
SHA256

5b65d6b189c0da22285324c4ea4695bfb4bba00e15cda1c1c60ec681fab2c40b
SHA512

7dca65c6023f61f7400510942be0f9e98c03ece76239f8d7640d3a9dee550562735c43a63f60746b9d9285f81d0c265f5f814d804c338271c571c2f678cd7e21
SSDEEP

1536:m6SxJXHQ960/eFNpYroMiu/xlfXwQcTWkNpOPaWPD2/ptVP1+cMHBUuI:KJwpmFfaoqPfwQcEPU/ptVPscws

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
316	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 1104	316	AcroRd32.exe	92
PID 316 wrote to memory of 1104	316	AcroRd32.exe	92
PID 316 wrote to memory of 1104	316	AcroRd32.exe	92
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 2964	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 4124	1104	RdrCEF.exe	94

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\cc5faacdba3e9764908289bb80d7bfdb.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:316
- 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:1104
- - 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=290D451EE5827340858808EB790EAAD4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2964
- - 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=374D0438F9EFB42AB39040E6C877FF4E --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=374D0438F9EFB42AB39040E6C877FF4E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4124
- - 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=F438267BF903002B3A8D231D4FBE8B9F --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2104
- - 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=6EC406D8B14B16B563EEE0F335F9764C --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4184
- - 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=6C08E0B4A3C7601C002803635483995C --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:836
- - 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=7762D28C93CF6F057F994908B8E2FE5E --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=7762D28C93CF6F057F994908B8E2FE5E --renderer-client-id=7 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2560

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4672

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
8705fb7c79c1717be2cd04902dbad2fb

SHA1
24850590db1302c21acb224a457a4c5faefb957a

SHA256
7b548be5d425d3f04be80950b43d88830b44e73c5d780ff8877ba04617419720

SHA512
b04aaaed9f8a6a5f057c5521d7302c9c42bc92c991d2704e45465648eda134a80eb5d90a23d6c06fa0deadf620bcd3faf5db867321be22ddf0d17b3702ccf5e5

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/316-26-0x000000000BD70000-0x000000000BDC0000-memory.dmp

Filesize
320KB

Download