4097c16a9f3df54a3404916ecc6e478782f1b1aebf8067e5e997843ffd49dc27

Analysis

max time kernel
142s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 19:54

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General

Target

397e37c73b4c98751a9e2edd839b1ca0.pdf
Size

88KB
MD5

397e37c73b4c98751a9e2edd839b1ca0
SHA1

a7eee865736f56bb8b65a17e37995320c752d387
SHA256

4097c16a9f3df54a3404916ecc6e478782f1b1aebf8067e5e997843ffd49dc27
SHA512

5a291bcb59080f79ddd555849bb8f42de8aa7326ebd0101fba000e288ca978cdb1b5a86a4db060faf243f410557b123f1edc9106a4325a7183f120a8af65784d
SSDEEP

1536:M/VlsJL0Y4+Bfx9PLVzRyG2697VmNRsZS4z21Q8+MeWtGRhJTGedWWc2LzlWspOp:OPIxZVFyG26pVURgS47Qnehx02nM2C

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 3232	3596	AcroRd32.exe	93
PID 3596 wrote to memory of 3232	3596	AcroRd32.exe	93
PID 3596 wrote to memory of 3232	3596	AcroRd32.exe	93
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 5084	3232	RdrCEF.exe	95
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	RdrCEF.exe	94
PID 3232 wrote to memory of 4948	3232	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\397e37c73b4c98751a9e2edd839b1ca0.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:3596
- 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:3232
- - 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=319A585FE12070670F96DCA0FAB75F39 --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=319A585FE12070670F96DCA0FAB75F39 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4948
- - 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=44FC482E2D5FD497162E37F187777575 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5084
- - 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=4EF32C9A36BB7B682EF278B1E808D089 --mojo-platform-channel-handle=2332 --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=1184ADB9D20713E6E9271E5BC5D7C44D --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1472
- - 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=62EA2DD489991640FC84C22E9A639E8B --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=62EA2DD489991640FC84C22E9A639E8B --renderer-client-id=7 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3660
- - 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=8CDE0E80D5986171D3A0CC70D8D52D02 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2044

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2940

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
3fe9395aca4fd6bc0c64d90b61f2fff2

SHA1
f59febf548d9baabd4c49ff50ead8f48a2050c39

SHA256
9d9605dd74dc5dce5e14958b15f70f9741e8c8c452c66588e0cf8f32e843b6d6

SHA512
b2714d8ef686d95b21afbec7c7b5b9f750c495bb222c96781dd373c8c80f9b564135738adaf910f9c9b183153dbec6353a1bdc01624b1b7500247ace1acc8e49

Download Submit
memory/3596-28-0x000000000BA90000-0x000000000BAB1000-memory.dmp

Filesize
132KB

Download