3e8316244f518e7a85e7fcf62a889557138fd6d6cc450f607ab42c2cb43265b4

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 16:45

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General

Target

8fa75355b6ab78f3431aec515473d724.pdf
Size

89KB
MD5

8fa75355b6ab78f3431aec515473d724
SHA1

2b58d168764e4c39846ff5e895e44416d539a8d9
SHA256

3e8316244f518e7a85e7fcf62a889557138fd6d6cc450f607ab42c2cb43265b4
SHA512

5e846807298a64131d3810f5994ce2a6c4d78b84356ee85f0c26b76905d559780326f697f4c8c19d3072dc17716909b17211ebdc42e97b043e87a35eda93939f
SSDEEP

1536:7AKThxoFZphGto13axmn+QZb2giJrlIG0droWOpOZyWT7+/mFjny:tPEh/2mn+Qd2ggIL9lZ17+Og

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe
3352	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 32	3352	AcroRd32.exe	88
PID 3352 wrote to memory of 32	3352	AcroRd32.exe	88
PID 3352 wrote to memory of 32	3352	AcroRd32.exe	88
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 3500	32	RdrCEF.exe	89
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90
PID 32 wrote to memory of 2452	32	RdrCEF.exe	90

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\8fa75355b6ab78f3431aec515473d724.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:3352
- 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:32
- - 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=82D90437663639EF6DEDC3AC00FE5148 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500
- - 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=BE371ECFE54263851B0C71EEC5065685 --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=BE371ECFE54263851B0C71EEC5065685 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2452
- - 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=ACDD113C1312528A38555F8CF9098ED8 --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=ACDD113C1312528A38555F8CF9098ED8 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4540
- - 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=AF3F5BB7137B644346353BAD5C6FA3F1 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1352
- - 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=2A4C42D4686DD570321A2B04428D4C82 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1764
- - 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=D759A9DDB096A05B8A453B4BEEABAE39 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:864

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
786f7e7af865131dbc1e86f0b2157415

SHA1
fcc50d5cddbcdea711ca82eea02b0a92ae779a7c

SHA256
7969963a85c596be3f2af24b9298a45b475f0a43dbf83287d767d5499f88fdde

SHA512
c28a6a7f7bad34204b535573c089b7bfec5effdcc4e071c514414ecd6216abf2c7ec4eceee2676c91105bbf05e7ee44a85ac4ca71cef79ddad79e83198f1c061

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit