49f35ea39adcb180f410e647c3e772b616c14d5cfb9908c0d54d96a40eb04033

Analysis

max time kernel
149s
max time network
152s
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, 14:29

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General

Target

39dd1efbedf97cfd4cdcd92343834733.pdf
Size

72KB
MD5

39dd1efbedf97cfd4cdcd92343834733
SHA1

db9865da3bca649d5165cbbc8c55c1f1a33d6588
SHA256

49f35ea39adcb180f410e647c3e772b616c14d5cfb9908c0d54d96a40eb04033
SHA512

425f03ddf199c211df88bace99cec490db4d811869e8476956c8eede947f2ef22103b2a64b7d413412f034365581a4524a0c4099efe0f233b2c8cc908a802fd9
SSDEEP

1536:1pHXiU4QgpAhMEPKL//Kd+reJhDHkAuKgKcy:PyU4MPKDKAklxu9k

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
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe
4612	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 4416	4612	AcroRd32.exe	91
PID 4612 wrote to memory of 4416	4612	AcroRd32.exe	91
PID 4612 wrote to memory of 4416	4612	AcroRd32.exe	91
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 1704	4416	RdrCEF.exe	93
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92
PID 4416 wrote to memory of 3264	4416	RdrCEF.exe	92

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\39dd1efbedf97cfd4cdcd92343834733.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:4612
- 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:4416
- - 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=1C6071A955952465354C30BDB9A1B3D9 --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=1C6071A955952465354C30BDB9A1B3D9 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3264
- - 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=97B7605F61A068A45126AF130575E619 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1704
- - 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=DE8510FBD64E3959CDE3C00B21712CA7 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3244
- - 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=0E869BE77D2FE242F8AB5568053810EB --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=52BFC234BA1612987580BBEC15454E76 --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=52BFC234BA1612987580BBEC15454E76 --renderer-client-id=6 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4360
- - 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=7CB64FDF98C2C78006F142A7638090C3 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2596

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
43KB

MD5
eafc8aca099958b9a94041302f0d500b

SHA1
26358812e9a3bd1220299bb128b3e1c54003f18b

SHA256
c082614b6c29ba9059a6c0dab4914cc64dfb1175ba729e680360deb57d0b4ed6

SHA512
2284a52616174bbbea39cdea965832b7dd44a418d9af9d433520fe871025ed67cc2694ba4594458da7f1957c9abfc0d250310ea2683eb810a19f40c08f4d0724

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
54KB

MD5
5d0e3628f801c020c7de57f39934c82c

SHA1
13376bccbe2a411de1744d7786a7db9488052901

SHA256
dd22e0fa48d497b757b8dc3813af58a9475d08d5893cd300f268cb5f459ba308

SHA512
02617b77983b0c25956cf4f1aa0b7bcaaf325a197354fd73021856314c35c373e3b8a7303204ff8727b6a4b69f079a5988dc919f78559cab7c4256034b7afe90

Download Submit