bc554aa2aad07bace9d5aebb31d1d947cf1eb4098af3f90156270e6237545e75

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 14:25

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General

Target

1b5bf4a706ff38bd20a59e6a45aed8c9.pdf
Size

103KB
MD5

1b5bf4a706ff38bd20a59e6a45aed8c9
SHA1

166b837687c22b1cd0ef9003bed32499a4de4fa0
SHA256

bc554aa2aad07bace9d5aebb31d1d947cf1eb4098af3f90156270e6237545e75
SHA512

7b1559ae20c7e2f7ce6a7bdbde42a9a524e8e98c7f39d49224e3050f81e25846db6300fd96346e4b3665ed0ab5fdb50276dfdb24d8ead119d6a6435784180415
SSDEEP

1536:bDMqVrxBR+2rRKpTASJ0G+pZnU6ng3vtezRqGBb/GtMoa0NJW54KWed2R2xM2sa4:nPL3xSt+RNlut9J+4ynxMh9qg

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 556	1944	AcroRd32.exe	93
PID 1944 wrote to memory of 556	1944	AcroRd32.exe	93
PID 1944 wrote to memory of 556	1944	AcroRd32.exe	93
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 2960	556	RdrCEF.exe	95
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96
PID 556 wrote to memory of 760	556	RdrCEF.exe	96

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\1b5bf4a706ff38bd20a59e6a45aed8c9.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:1944
- 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:556
- - 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=796B7469EE791FD9BD855C635D98DD4C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2960
- - 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=4EB1292E6B416A01DF722ECB9CB89FDA --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=4EB1292E6B416A01DF722ECB9CB89FDA --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:760
- - 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=0E4F83F2323231C39E3FA3A644833D67 --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=0E4F83F2323231C39E3FA3A644833D67 --renderer-client-id=4 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    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=CE4AAA97035E209595DE799BE81C35F3 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:884
- - 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=CBCA2D40FCD1AEFC9AEE0880445AEB90 --mojo-platform-channel-handle=2800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4640
- - 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=A27FD255801867070DCA808CC66E47AA --mojo-platform-channel-handle=2756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:920

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

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Downloads

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

Filesize
64KB

MD5
057da2a15f9ab096644f8edda8111bb7

SHA1
d56d15a4df271580303534f85a174382e554d498

SHA256
d9fef6a0989e63d2bd9ce3f7cab19f1717dfec03f7939735955f2b3c099c7322

SHA512
6c7ac77ad3f71626d0f5fc9c7b1cb62c497a926f0228295e55bb28288169274d69966448bdda4e5aa41a00b4f4e958ce11303db218f4a1aae7d8665e71e3c56f

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/1944-28-0x000000000C730000-0x000000000C751000-memory.dmp

Filesize
132KB

Download