3a51067ed5bf9807fdd5ac0dea91c2adb9e735797a320c07981bdee7fbac1491

Analysis

max time kernel
147s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 14:04

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General

Target

492c65088d8e4564d97cd7a18a4b68f4.pdf
Size

88KB
MD5

492c65088d8e4564d97cd7a18a4b68f4
SHA1

bd9180fe78780938445b866257d57555a9df8a2a
SHA256

3a51067ed5bf9807fdd5ac0dea91c2adb9e735797a320c07981bdee7fbac1491
SHA512

519bc78f80e39a5faa29662f41a75215a41eea146fd39cf571a5d8df519301249c629cdbe1313d8631525f522c5ac56e17c8beb46674c5cf91d1a1d10936c48d
SSDEEP

1536:fhZEBUBXGkkpfmo4XbLYD0eyYgKBO82IfdPbnWkNpOPFWKVMzlPuWmO//WIt9XZB:pZsUBXqr4Xb8D07Y7BO8Z10PbilP1/rP

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
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe
980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 1948	980	AcroRd32.exe	94
PID 980 wrote to memory of 1948	980	AcroRd32.exe	94
PID 980 wrote to memory of 1948	980	AcroRd32.exe	94
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 3760	1948	RdrCEF.exe	95
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	RdrCEF.exe	96
PID 1948 wrote to memory of 2928	1948	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\492c65088d8e4564d97cd7a18a4b68f4.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:980
- 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:1948
- - 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=1A31AAD18FB3389F9DD7B2638E070712 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3760
- - 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=91B1922CC0908D9F86E6CD0607B4752D --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=91B1922CC0908D9F86E6CD0607B4752D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2928
- - 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=DFB0C40EA3866CFF0A068CCEDDA55BF1 --mojo-platform-channel-handle=2156 --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=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=74ED8F2626ABDC85B9CF6F90DF9ECCF9 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=3D45F10136EF9210523D7ED4BF396E97 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3252
- - 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=BDB8ABBAE475DDA66546FA56401DEE80 --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=BDB8ABBAE475DDA66546FA56401DEE80 --renderer-client-id=7 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4448

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1124

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
b26334885e3cb57aad45e9a57fffe90a

SHA1
2584b94dc7652edd06d713cc520df943f73890c3

SHA256
cc1ab973790f88ef72d1ce97493d1aae54cc36d7a3d76acd6ce897c8361bb9ee

SHA512
b54c18c18b87c98f0be6554b089c87968308f7b8dd71ea64070eeb5a47221fe433b0cb18f551a1e8d39ebdbc7acec9ed17e19b2a9039e765f4da66a451507f1b

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