48cdb2496bda1693a77544bda5e7c8e60f0e6ee4ba46f05fcb0a152ad460667f

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 03:00

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General

Target

0c5a4f5c33d92ccc21859ba335b01d7b.pdf
Size

76KB
MD5

0c5a4f5c33d92ccc21859ba335b01d7b
SHA1

2993e23d3a6b0b34cd3655899124ee4dcb97fd3c
SHA256

48cdb2496bda1693a77544bda5e7c8e60f0e6ee4ba46f05fcb0a152ad460667f
SHA512

b12268b09b57e19fd539ba50dec9448fd60189c7988159c408f02d7b695256b24fee3c500dffac3427c5ae42d133f861ff64e0d13f04dd57f9f7fca60bcb4c86
SSDEEP

1536:4sYqexsXE7dqrGAVp8ETipbttsRMrQxBjPJzzM:4qMeE5qrGAVGET0rkBd0

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4580	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 4372	4580	AcroRd32.exe	96
PID 4580 wrote to memory of 4372	4580	AcroRd32.exe	96
PID 4580 wrote to memory of 4372	4580	AcroRd32.exe	96
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 4784	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98
PID 4372 wrote to memory of 3796	4372	RdrCEF.exe	98

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\0c5a4f5c33d92ccc21859ba335b01d7b.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:4580
- 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:4372
- - 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=28AAA81AF5010E8FA43267C0A4F277F8 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784
- - 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=94A85BC68DBE44790593656AE6479160 --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=94A85BC68DBE44790593656AE6479160 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3796
- - 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=42EFC5FF7EA6A7113C14C7703D0D8E52 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3132
- - 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=C6F2B677EFD326272F8576836FC4544B --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4676
- - 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=B1177C638D708F6D714F5ABDBA93A212 --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=B1177C638D708F6D714F5ABDBA93A212 --renderer-client-id=7 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:768
- - 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=9ADA83DA66FD5033AC226FA752A827C6 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4724

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3960

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
63f933b22e4eb0d6e1f82a4aa4815436

SHA1
966590ca31a91aee7c8402715272fe624a6cc632

SHA256
ad2743f2fbb941b173d1f33c6f90290c0dcc21d368109521fa63bfa72dca335f

SHA512
8887f14acf5de96be45f943f7e13c2f16f7d43511db873e00d4eab80aa328d245cead226537eea3bbc2322e1190340c3bfe11cdb15a2cad215f2ba0228dd9b80

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
memory/4580-27-0x000000000BC40000-0x000000000BC61000-memory.dmp

Filesize
132KB

Download