8fd1b190bc54763c995a98195f9a4ceb1b0eb6ec7ef5e3c36558282d18871586

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 13:05

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General

Target

5689eac61b109a064b126ce29f1c065a.pdf
Size

138KB
MD5

5689eac61b109a064b126ce29f1c065a
SHA1

310f401b6cb462701c7105428eeea9fa6d3b3036
SHA256

8fd1b190bc54763c995a98195f9a4ceb1b0eb6ec7ef5e3c36558282d18871586
SHA512

6f7f4425d6e7b3cb5b2719252195643522daa1b5cdfa1f13d3af64746d791b1fe62001244763184c32b79ff7951333cf02321e0257921b00e9617ac8340e62a3
SSDEEP

3072:/EBGFX7/71MV9m4nHBeh+nOhAKmLQi6LpZBFJon68:/KGFrzyWWheInOpg4hA

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
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 3676	3064	AcroRd32.exe	89
PID 3064 wrote to memory of 3676	3064	AcroRd32.exe	89
PID 3064 wrote to memory of 3676	3064	AcroRd32.exe	89
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1592	3676	RdrCEF.exe	95
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	RdrCEF.exe	94
PID 3676 wrote to memory of 1440	3676	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\5689eac61b109a064b126ce29f1c065a.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3676
- - 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=ADA704E158CAB9CC2C205B80E534A803 --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=ADA704E158CAB9CC2C205B80E534A803 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1440
- - 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=B9E8DD56CC14705F14112FE32BB71D50 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1592
- - 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=5EED72660DBFEED2189A68254EBDD8AA --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1960
- - 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=A13EE3CCB5676EFB3BEE388DCDE84DD3 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4252
- - 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=BBD0075A377C7762EAB33CA6F2E58229 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3628
- - 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=615CBC4A98D33FA624A92A910110D759 --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=615CBC4A98D33FA624A92A910110D759 --renderer-client-id=8 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1892

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2588

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
496f94bab10df783742d96e5c777e349

SHA1
fb9f732fff5189d561f0d73d86d68fc197cfc9a9

SHA256
76e8d7dde79fe4ebec7015eb665e1138e259995d50f738f9ecfff7ac09cb38fe

SHA512
b5f1f2f99b51ba454a303c643e18f9a302c1ec607f5defb8e66565708801fcd9c7f1902f6d8c9d0aa70ab6d131aff88bf879ec9d75965eea0056cff4ff1c37b6

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit