67f5d668966ff5b42da723b1af9a751457da2310ae8d7dc9986447f56df196e4

Analysis

max time kernel
141s
max time network
134s
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, 17:10

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General

Target

c66e3a20dc1ffd59e043da0a1d435a55.pdf
Size

50KB
MD5

c66e3a20dc1ffd59e043da0a1d435a55
SHA1

b469cc309163d6ca034b4587064461e1345d0a2b
SHA256

67f5d668966ff5b42da723b1af9a751457da2310ae8d7dc9986447f56df196e4
SHA512

87a0c7515708053ff07d1527682590c0e4e3bfb25d0ef3f60fa519c4af93f47f27d5d2487c2f1a29b3494c1061d29af85733f115ae33a3193b7e9c34116b42a7
SSDEEP

1536:G9FWcY5EVb7vYh3ifxa8nsFTd37tUAVPiQ:yFWAl7vs3kneKAF7

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-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe
3624	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 5092	3624	AcroRd32.exe	94
PID 3624 wrote to memory of 5092	3624	AcroRd32.exe	94
PID 3624 wrote to memory of 5092	3624	AcroRd32.exe	94
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 2704	5092	RdrCEF.exe	95
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96
PID 5092 wrote to memory of 4792	5092	RdrCEF.exe	96

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\c66e3a20dc1ffd59e043da0a1d435a55.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3624
- 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: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=7177181EF40BACDF188671B934B854C7 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2704
- - 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=6A1D632E4FDD218FBD842D1BB967D2B4 --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=6A1D632E4FDD218FBD842D1BB967D2B4 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4792
- - 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=01D185D7FC6DC651DE9B5B1E34252132 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2236
- - 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=B1AC927B5CB04E488FB4B0BEAF4CAA7D --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4768
- - 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=2A339B30E3437408C6BFF15533C92683 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:436
- - 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=7AFC25DF1A3A004640814EAA5C8B4EB9 --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=7AFC25DF1A3A004640814EAA5C8B4EB9 --renderer-client-id=8 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4724

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4408

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
88f9e36a88f215ae633d1502081f6a2d

SHA1
12c7b9d96e3ec515aeaca0cc42fa5797a7a33219

SHA256
cc4f6844eeab1730b508289f50d4faf4cc07003b9f3baa54c56925c539df3cde

SHA512
9634e0d28caac657c957e536addba1ae9cbfb3ddaaf560a5c580346dba03f99db0eec8e2fd8426ff0b49a5e340dad36cdd6e033a9c9e89a7f5697d2dc7853a67

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