41e178bc730ce13a4c31f57450ebd18e792cf2e58d2107f98a010eb43e8111de

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 11:03

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General

Target

53586b2a364c57d3768e513b0c39fdbe.pdf
Size

82KB
MD5

53586b2a364c57d3768e513b0c39fdbe
SHA1

dff5e781fc8388542f40648763f7b22d5f800452
SHA256

41e178bc730ce13a4c31f57450ebd18e792cf2e58d2107f98a010eb43e8111de
SHA512

df8975a7732d3f226c897911aa2e18bac9c0692efba49f53b549f5458619defe0892617dec515360f53ce1edd3b261d2b3687f47fb7fa889e9e52cf8f9165e94
SSDEEP

1536:VTOVtSdhd/rjt+Iy3DQGySKCYdB+OLfNBYR7iGWJSHRMhR:VGg7h/t+IyTkNBzLYdiAHRC

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 4276	3504	AcroRd32.exe	91
PID 3504 wrote to memory of 4276	3504	AcroRd32.exe	91
PID 3504 wrote to memory of 4276	3504	AcroRd32.exe	91
PID 3504 wrote to memory of 3968	3504	AcroRd32.exe	95
PID 3504 wrote to memory of 3968	3504	AcroRd32.exe	95
PID 3504 wrote to memory of 3968	3504	AcroRd32.exe	95
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1792	4276	RdrCEF.exe	98
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99
PID 4276 wrote to memory of 1688	4276	RdrCEF.exe	99

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\53586b2a364c57d3768e513b0c39fdbe.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:3504
- 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:4276
- - 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=AC2FEB54875034AC793531F9A9717F42 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1792
- - 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=C675C92D2B67DCBD57AC9FD3A72B650B --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=C675C92D2B67DCBD57AC9FD3A72B650B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1688
- - 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=94A2E378AA94FF744890B04D2BFADFD1 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1320
- - 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=8F6FF5D79411E28FD35CBB5F4BFC270B --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=8F6FF5D79411E28FD35CBB5F4BFC270B --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4480
- - 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=3731CFD85D2F8FB1F1B6B0FCE337E040 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5108
- - 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=52F8D9E1951E57F9184A9E5825B88DB8 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2124
- 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⤵
  PID:3968

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4004

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
c3e41328ca14e87110eaf5a64fb33bb8

SHA1
5477c9ed850b98f5108d2736a7c8d181f02180f2

SHA256
99bcf70e20af9f15aec9d685effa984661635bfb4db883095b444b8ae65c4245

SHA512
3c83761eef29de142e7e608032d5665976d477b2cbe5d7672ccd62809abdf6d8c97df8fd5e1350d91d740dc64ae0e80ad27c8036ace9d510b91e36ac7d2b787d

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