350f1666ce4006a242c0f89af5f8622b6a7bed2b62acf53b644376382c465760

Analysis

max time kernel
140s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 14:27

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General

Target

c27fd1440421dedbab1b685329bf40d1.pdf
Size

34KB
MD5

c27fd1440421dedbab1b685329bf40d1
SHA1

fe037f8e3af24271a7fcaecc7d113e651d664a30
SHA256

350f1666ce4006a242c0f89af5f8622b6a7bed2b62acf53b644376382c465760
SHA512

9e19d150e9282f4be70a26c5d55666787d51f3f298495a7ead7da811260568b08dfa17384343395049a9f5a7215b28f74dd15e578aebf5e8e32258eee20c0ea4
SSDEEP

768:u1HBmdEue325zsLH0qO4hGNn0EwvuF8jqcCfPgplxC0JUD7f:u3MERg4gGFvuqmczxC0JUD7f

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1552	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe
1552	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2344	1552	AcroRd32.exe	93
PID 1552 wrote to memory of 2344	1552	AcroRd32.exe	93
PID 1552 wrote to memory of 2344	1552	AcroRd32.exe	93
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 3196	2344	RdrCEF.exe	95
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	RdrCEF.exe	94
PID 2344 wrote to memory of 2812	2344	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\c27fd1440421dedbab1b685329bf40d1.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:1552
- 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:2344
- - 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=2F189055607B106E98FA2481B32E64B4 --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=2F189055607B106E98FA2481B32E64B4 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2812
- - 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=4D4F9C1BAC1E80F291BB28F461BCFF76 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3196
- - 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=BF6A8FCC1A94CFEA7E769E6AFA772CE5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2356
- - 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=FEF4ED1081B5993616434B9F3225DD2F --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=FEF4ED1081B5993616434B9F3225DD2F --renderer-client-id=6 --mojo-platform-channel-handle=2324 --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=ED20A80D9AA254E89040EE824FBCD06B --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4372
- - 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=563EFE26A36F47CD6A2572B57BDE750D --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:904

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1788

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
580a377cfbe665e756c68e06bae99008

SHA1
939981341700ab1164b42c8fc755405f4730eea5

SHA256
0dccf45f41d0a226eba3108f72987f83987a8831e51d4b1b226249d827499a61

SHA512
1a8ddc21ea0adb0c528c301794554039d452ed015ac8953a8f4bcce98e86b126ef6b93dbfc0518761747fc3691e7a633081accba0a0dba80d3aaea3254ceb092

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
40KB

MD5
cb1c3b9618beb1e655382e939b31e5d0

SHA1
aa5a5351d123bd3112a5c31021e58977a8893bfe

SHA256
d2863790728b98d4aafcd547618e5161ce1ff12b07455a715ab1f90552e1077a

SHA512
890d576b38bbdff0ebdba95746f711445ff75f3da0d7f5d4a6433d43e886e219f75e460e2c5c3b7350809154b55c63dce9d78a363402f7b52bdb649d3ec70033

Download Submit