5ae7859fa9153ebc99dd9401e2b86804f8ade35b255b1734c1c48e6345cea70a

Analysis

max time kernel
145s
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
25/12/2023, 14:51

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General

Target

270b257959228316bc0141504458b982.pdf
Size

13KB
MD5

270b257959228316bc0141504458b982
SHA1

c9f816ec1565fcd8484dd93dfa590c02d6265e3c
SHA256

5ae7859fa9153ebc99dd9401e2b86804f8ade35b255b1734c1c48e6345cea70a
SHA512

716e1c6ecebbe79ad70ea843e82c2ac1214381bad77a3b513f25c6fabdad1819eb557b927e41a67ba000b75cf728b611eacf0289ec5a7ad41f5f07bcd75922c6
SSDEEP

384:6hzaNwAO9GiJlDmlAloSAhmbZ9/MaQi/60G7J8vKIs:ahZGirHAhmbZ90aQC6dJiKH

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3204	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 4984	3204	AcroRd32.exe	90
PID 3204 wrote to memory of 4984	3204	AcroRd32.exe	90
PID 3204 wrote to memory of 4984	3204	AcroRd32.exe	90
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 2808	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91
PID 4984 wrote to memory of 4632	4984	RdrCEF.exe	91

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\270b257959228316bc0141504458b982.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:3204
- 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:4984
- - 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=A61A59EF6447663F157A79508AA39FB8 --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=A61A59EF6447663F157A79508AA39FB8 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4632
- - 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=70D8C6D854BF2C1101751D9A78E82761 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2808
- - 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=DE50968B70D92A70BF4D4357C490AFE3 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4172
- - 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=12E82B1AE5163708468C2F5BAB76EF63 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4532
- - 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=4C6FBCDD2329E73C0A88C53650D2BF45 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3568
- - 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=4FA9678635E2B2D20AE1A9AC0C87ED4D --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=4FA9678635E2B2D20AE1A9AC0C87ED4D --renderer-client-id=6 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2868

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:868

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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