285e0108e399a04cf8d40e2a23abdf6c3ace9ce883649d0bf2b8120c16d1972e

Analysis

max time kernel
148s
max time network
153s
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, 09:06

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General

Target
cb0565115fc93ef8dd8a839ef66c24da.pdf
Size 33KB
Sample240315-k26snscf2s
SHA256 285e0108e399a04cf8d40e2a23abdf6c3ace9ce883649d0bf2b8120c16d1972e
MD5 cb0565115fc93ef8dd8a839ef66c24da
SHA1 2cf31a68dbf21d931bc1f0000031388f8020ce6f
SHA512 63d850e3cfa397736796601bd7ff8b0c194c940818703e090a6bfd8c19ba4b8ea84ca3c83920b85ce927e7a8a26b6bc560778b7ec310dad9a13e986af93b1c2e
SSDEEP 768:CbT20pCoIDqf2/Sn5pBKiuofziOnn2oA/9sydLxn7lR3:S8D+5/9iOndA/uydB7lR3
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 612	4004	AcroRd32.exe	97
PID 4004 wrote to memory of 612	4004	AcroRd32.exe	97
PID 4004 wrote to memory of 612	4004	AcroRd32.exe	97
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 2064	612	RdrCEF.exe	99
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100
PID 612 wrote to memory of 3064	612	RdrCEF.exe	100

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\cb0565115fc93ef8dd8a839ef66c24da.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:4004
- 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:612
- - 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=346E381AFB00A57AA7E9559AC578F66E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2064
- - 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=C5118D29DE54E38164A099693000F8A4 --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=C5118D29DE54E38164A099693000F8A4 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3064
- - 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=EC80EF41851BB22355AE27677A4B0C01 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3896
- - 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=F0312FA30D34500E6F52201CD24D556B --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=F0312FA30D34500E6F52201CD24D556B --renderer-client-id=5 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3396
- - 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=36DF8821F05BF1D1B71B63FB3B8ED669 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2020
- - 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=DB60D5C1BA96790CB0971C44780E2D05 --mojo-platform-channel-handle=2000 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2100

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2208

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 2fc32bf62963a98676edf27b2304964fdc220a46287c2e4eae4de1dee85ece27
MD5 3f332fc88621873f272cfcbfcdcba239
SHA1 b2cf827e141d3442007b1041058f7df43e78813c
SHA512 23dc4a2d3f3d6621ed4b1537c9edc699aae9409c5b192879c944f452796c9244c25d9d77fa8ce14b5050d7f707217caeba5221e6ff5ec1580a603a4652f5f86f
SSDEEP 384:ye7dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:u+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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