5b77361e413dd16467e4a9496c91abe0d9aad227caddd03244e14a0e4d2dc0d7

Analysis

max time kernel
163s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 15:39

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General

Target

3d3c9dbc8824cdb7114510ef740b015c.pdf
Size

86KB
MD5

3d3c9dbc8824cdb7114510ef740b015c
SHA1

f9ab4c4b14c277b0e87fc8af7b8a27e85e17f102
SHA256

5b77361e413dd16467e4a9496c91abe0d9aad227caddd03244e14a0e4d2dc0d7
SHA512

d92347bffa548902debc1403faa2e73014fe356927d81a7a783aa4a235ef1b82485ae36d52c641bf1d7f26f5d4f412252c6f15e3b9003b4bf8ac1c0756e2fe08
SSDEEP

1536:HFJVgvYHCkLLEZVQdzKQnuOdzLlQJdOUnLUBsoZpDrIWdNFVj81O/WwpOSHYaQ:vEZkLLEDAzBPHQJ1LmrPvySQ

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 816	3636	AcroRd32.exe	91
PID 3636 wrote to memory of 816	3636	AcroRd32.exe	91
PID 3636 wrote to memory of 816	3636	AcroRd32.exe	91
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 2756	816	RdrCEF.exe	92
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93
PID 816 wrote to memory of 1268	816	RdrCEF.exe	93

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\3d3c9dbc8824cdb7114510ef740b015c.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:3636
- 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:816
- - 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=D1F0E6CA4320407C61A828B31CE7EF42 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2756
- - 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=10CB9513AD47052D31235FEB2204AA39 --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=10CB9513AD47052D31235FEB2204AA39 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1268
- - 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=25E1EBE0009CAD37B30D121AFBAC9080 --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=25E1EBE0009CAD37B30D121AFBAC9080 --renderer-client-id=4 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:1
    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=4C39CCC95BF77F000D14D0B9A78D2230 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432
- - 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=4CBDD3AD28A861562E7B3845914F4AED --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2776
- - 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=41F61DDE07536BE17FD8EBDC0F668940 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1220

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4192

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
d9eebc43fa718e262f8067726730753e

SHA1
fd2458b788b69054df37ae1d5d8402a143bbc2c3

SHA256
c5ab6f36094f77d55949c900781858dbe31421584eefb765caa12c48c2165a37

SHA512
69721463bec4c0affe047c9900c4cba9e0f00a202b1eb21c8a13a6208039a36dd7e7af510ce0cfcb2fab57dd41f385610ccb23fe1c2dae2e95bbfceb43255900

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