d60ed557ef8f46f5cc2c3683adbb8aa69fe51caf3a407223723b294091598fde

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 18:17

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General

Target

419503678b57dbb7c20726e5415c945b.pdf
Size

81KB
MD5

419503678b57dbb7c20726e5415c945b
SHA1

6f1b2f7831e2b2afb01bd437bfa67930dd2f318b
SHA256

d60ed557ef8f46f5cc2c3683adbb8aa69fe51caf3a407223723b294091598fde
SHA512

d7c987a9d5f7ff60b6ff2462e3848779022b7f29f7b7f03150e70b51576b09dd239fd69f24451c76b54b19f0361e5543e317053507f290fdd9cad6e53bd2968c
SSDEEP

1536:63kc4H+wflSiiUSC2Nf2BT+p4rzEFLvPZ/+W0pSVRrLvCYLbp2PpWUpO7++Re:2eNhAaT8FLXZ/xd7CKp2PM7W

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 860	1572	AcroRd32.exe	90
PID 1572 wrote to memory of 860	1572	AcroRd32.exe	90
PID 1572 wrote to memory of 860	1572	AcroRd32.exe	90
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 3200	860	RdrCEF.exe	92
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91
PID 860 wrote to memory of 216	860	RdrCEF.exe	91

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\419503678b57dbb7c20726e5415c945b.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:1572
- 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:860
- - 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=E6F550ADA85C5AB485E51A2E1EE7664F --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=E6F550ADA85C5AB485E51A2E1EE7664F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:216
- - 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=08358304DE425C22101CAC29C0BF4D6C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3200
- - 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=5A68FB8D9D5D2894D5468D826BE27FCC --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928
- - 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=F48A5C293806801C6F38C806813E3451 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4616
- - 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=F0DF9A681DC70117CCB5E70988180917 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4320
- - 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=5813FB6978055DDB6937FC3DF14D9CDB --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=5813FB6978055DDB6937FC3DF14D9CDB --renderer-client-id=8 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4524

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3440

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
489841c298b8a652965d6fc122a58417

SHA1
e472478b34354d8599ef910bc09aa35db457a76a

SHA256
c84036d2ca7f70f48b2ab58c0b881e7430e13e1489e7d9ba528575362219743d

SHA512
e968cac9fc3fc606e6ef31dd1533713b4b471e8b596839221c48787a27d5d8b22cd776d7ada3d0499c4820b7424743f204453965fa723840c87e839ebbc3f190

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
17KB

MD5
14f8ef9b0f5c0b39fa9d29024345a151

SHA1
369bc7a7f5230f6a5820dea252942d28998c2c76

SHA256
6011601b4f65d4c2207e7e3befee90a8f0a24a46ecc586b315bf090c2b2026ca

SHA512
4ed83580e28b7466d04c3f8c2b4b92aadaeb1c805a6210d4ac50a925a7627494c848ad9bc91518d984eba16de0fc1c1e9b4bb231dc51b2d3bdfd1e55fa29dc36

Download Submit