23ef9a03d0ec8f9892851a887218b5d53e56f520cdcab7f8886dff3bee124344

Analysis

max time kernel
142s
max time network
153s
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, 10:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

18dfe39ba743604ccce971cfd92a9e58.pdf
Size

88KB
MD5

18dfe39ba743604ccce971cfd92a9e58
SHA1

133fe38738c96426e41780a464d5de0d79cabdf2
SHA256

23ef9a03d0ec8f9892851a887218b5d53e56f520cdcab7f8886dff3bee124344
SHA512

bd6686a53903625e985f4e87e2b451f71cb0d61472f589c6fd39c32bbae09e8ea15197250dbaf2870a134a166af499f90fecad40a730b061e53b3f06933a568d
SSDEEP

1536:3SE3ThNGQekNvAAqR8/v4vnDyQXLhqQehMh9HZcIsIfWkNpOPaWcDzdK2Ke57fMq:FFTeGvpqR83EPXLhvey7cIsnP6DIe5+m

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2872	2736	AcroRd32.exe	92
PID 2736 wrote to memory of 2872	2736	AcroRd32.exe	92
PID 2736 wrote to memory of 2872	2736	AcroRd32.exe	92
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 1036	2872	RdrCEF.exe	93
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	RdrCEF.exe	94
PID 2872 wrote to memory of 3888	2872	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\18dfe39ba743604ccce971cfd92a9e58.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:2736
- 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:2872
- - 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=269E0BE99BF80CA332554FBBBB3375AA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1036
- - 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=F559257AF82C431193FD568F0B6DDE42 --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=F559257AF82C431193FD568F0B6DDE42 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3888
- - 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=751B93589B414A729E492DE446A3E790 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1692
- - 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=450AD2576817C2FE0282856EED8A1684 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4016
- - 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=9A300AB3D7780A35866D3A4B3043820B --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4088
- - 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=D08E84DB0761EC5E37F70128A7CA4208 --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=D08E84DB0761EC5E37F70128A7CA4208 --renderer-client-id=7 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4368

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2196

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
d583b29d389626323d2df9da44fd6fa6

SHA1
9220ef1abeaf6e0b4791fd8ba18cacf160ed0fa7

SHA256
65ba98d66294a038b36d2697490906ad7190378322cf1726c992c68e765b3313

SHA512
e2ce94f75735e1c7a0914fa20661d2baf0280ff050072c18a098c0eb3e4e239efa4a82dda7c056ee16cc56cb8f28dd2dc62bd2627f0ae7f5aecc8e792c8fd844

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit