d73465ec28a83abcf43211c90782fab94383dfdd0bbd16808aa68e9eb831314f

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 06:08

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General

Target

2b3a37290e8c6da525f05ddcca811eb6.pdf
Size

80KB
MD5

2b3a37290e8c6da525f05ddcca811eb6
SHA1

6e35ae6b6f9a07ed0fd16f38bd30dc14b7662e95
SHA256

d73465ec28a83abcf43211c90782fab94383dfdd0bbd16808aa68e9eb831314f
SHA512

61452c36b405402f428befd2c2f4f92152779ab05b4796408861578f3698cddd3631ee0e6aab4b0ae404ca70d6b23c97fc34c0bac1d698b079be7dc6253a1b19
SSDEEP

1536:MpXsQH+lHnufhl10dsct4QLWoPqqB1iSTbOO0+pzK0QWqCxc4IWepOy7S/+WJhMs:iXs/chfct4ASqBDiO0kzK0iejVymWWJx

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 3356	4700	AcroRd32.exe	93
PID 4700 wrote to memory of 3356	4700	AcroRd32.exe	93
PID 4700 wrote to memory of 3356	4700	AcroRd32.exe	93
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 5028	3356	RdrCEF.exe	95
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	RdrCEF.exe	94
PID 3356 wrote to memory of 2960	3356	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\2b3a37290e8c6da525f05ddcca811eb6.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:4700
- 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:3356
- - 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=453F74D2E808A5FA362A43D268653159 --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=453F74D2E808A5FA362A43D268653159 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2960
- - 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=E25C76CD671FAD3DDB6FA36BBBCB7AB5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5028
- - 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=89816ED88625D545DE8510FBD64E3959 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1432
- - 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=E4F12356EB24AC2050370290A515F533 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:700
- - 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=CD6B2FBBF5892F48E6A6B96C5ABB93EF --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4316
- - 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=EDFC6FE37958D98A15723BD5109C4179 --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=EDFC6FE37958D98A15723BD5109C4179 --renderer-client-id=7 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1912

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4956

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
a0fb936b504b0e8dbbc8225a14ac5a56

SHA1
987c5bc23c9e074b8a7c73c38443abdca074222e

SHA256
ae6897e62bae653a8cfb63b4c91d16449bd88c34ef1f4902e3ba93aeffc5a84e

SHA512
b1156c01091deefefdadb9e42e961160269b48546af7342cc1c3cea38201a353b12c44bdf7bd2c45e3404f93be53631b905440f6a05e9683a4f13b0c3b5d608a

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/4700-26-0x00000000094B0000-0x0000000009500000-memory.dmp

Filesize
320KB

Download