1970b7a3b63a341c7295741e2901736a7fd88d8e5262c5e302a31dfcd89bcc6f

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 09:58

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General

Target

83319b512a4711ca2b595c83543995ef.pdf
Size

46KB
MD5

83319b512a4711ca2b595c83543995ef
SHA1

49350a8c3b214c839e8ebbef7782135840f66beb
SHA256

1970b7a3b63a341c7295741e2901736a7fd88d8e5262c5e302a31dfcd89bcc6f
SHA512

042f593e6662406311d447c0f3737a75b5f20f05120f6258dbec15cc1850bbb8de7d447badcac425a617aa2a452d127040fdd80906de8a792015161219897ea5
SSDEEP

768:lqEbmS4eujkJQUiHPN0qI6YwYq2HjHQ/6zREkfilM/aZM82gOWwNT:4EB4euoPiHPDIXRqKwIukfiH6NLxT

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe
5040	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 2692	5040	AcroRd32.exe	92
PID 5040 wrote to memory of 2692	5040	AcroRd32.exe	92
PID 5040 wrote to memory of 2692	5040	AcroRd32.exe	92
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 1860	2692	RdrCEF.exe	93
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	RdrCEF.exe	94
PID 2692 wrote to memory of 792	2692	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\83319b512a4711ca2b595c83543995ef.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:5040
- 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:2692
- - 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=5A1CCFF02A0BA89AC50EA03862838515 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1860
- - 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=4D148BE81D5A1D6F16DA9FFBA436AF03 --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=4D148BE81D5A1D6F16DA9FFBA436AF03 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:792
- - 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=819AD121C169FDA3659D1DEA38BD3E92 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604
- - 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=CB762FA115CB228329CF561CBD4B377C --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=CB762FA115CB228329CF561CBD4B377C --renderer-client-id=5 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3844
- - 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=4AA574FECB8F6E2F3E077F0B867ADC1C --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1332
- - 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=6913CEBC1072FE6849B3AE134492A679 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5056

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4628

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
2b665573dfbea945e26607f61a9fd1a2

SHA1
8bae8310942430653a6cccc68f714c6c4d21c391

SHA256
052c277e9e85fd6fad64cbe3abced41c013dd5c93d7233f7f342ebd83d64d089

SHA512
9a46a1a6e5f7d74640eb9e4a5063d2bdf8f4899aa520509184c6aa29adb80fd91b1c02d8a635d7c6b5c67f2f73a4ade2ecb5f725798b39ba50b2f167efc56dbe

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
25KB

MD5
f02dd9466573efe3342a6eea99cf2a7c

SHA1
f5066d3cc73224fa8c7175135e9f3d6b87bad382

SHA256
0aeacebb74bdfe3aca01261af57fbb320bbce22f85f742f4438a32a6e36752e9

SHA512
6cee1e03e5b7ad33ba8e5f427dfa5a94d367af775cc19edad263525275d5440a1d0d721c74d7464a3e0acd3745b570e30a6086db1b6cdad8dfe720694c4ffdbd

Download Submit