17b9836bc501650bdc00f74b840d2e69ac140c9ce8c1c12f2828d0e1f77894a7

Analysis

max time kernel
142s
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
19/12/2023, 13:17

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General

Target

302e03c5db1b9e63496815a814b32571.pdf
Size

81KB
MD5

302e03c5db1b9e63496815a814b32571
SHA1

4204a2edcf3592d50b9c3d944a0ea54c6a458bf3
SHA256

17b9836bc501650bdc00f74b840d2e69ac140c9ce8c1c12f2828d0e1f77894a7
SHA512

c8f43a8d13187f4e6de2e4225624296477ead5d1092844ca60b1a52cb913ff9fd8978695cbff57eb50ba5f947afb2e92a7f5ca4ee3836f5237e4eaebc4ba2f0b
SSDEEP

1536:WES41TRjm/ooLxk6HvedOni7mh5wATGy8P/CfHWOpOwrKW0bHFTatPL70j:zRjm/ooLlSOi7yVTx4CfEwrmblWz0

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe
4416	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 5028	4416	AcroRd32.exe	93
PID 4416 wrote to memory of 5028	4416	AcroRd32.exe	93
PID 4416 wrote to memory of 5028	4416	AcroRd32.exe	93
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4040	5028	RdrCEF.exe	94
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95
PID 5028 wrote to memory of 4572	5028	RdrCEF.exe	95

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\302e03c5db1b9e63496815a814b32571.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:4416
- 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:5028
- - 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=266F81F2027D6671FD7876AA5D09A0D5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=DB0EEF7ED0BB91DF3A102D07811238E7 --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=DB0EEF7ED0BB91DF3A102D07811238E7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4572
- - 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=5259F2822300996E2911CE53E1D8B68F --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3124
- - 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=FC8E2A87B4ADF4BE67DFC5E0B3A80570 --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=FC8E2A87B4ADF4BE67DFC5E0B3A80570 --renderer-client-id=5 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1568
- - 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=CD81EE475EE389A6883523A91DD893CE --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4436
- - 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=FF2B4810286B0308585A25B3AA4C253B --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4880

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
4db6b1f920522eed9fbfba9a0e3de4c3

SHA1
d2ba6e26300ae6a8e78add875810aef17c3343a7

SHA256
65421cb8fd55c1d3fc5b9ec61d5f2d82526f9dd102fe39c43d1c1357f7f04251

SHA512
89cb7a83247d105d05972af81a5352262496e9da1127e63d88fcf32ac7bccff8385b4ec1a66a0b4506602687f2223e891512ffec0752d5e1c231eef79412ba3a

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/4416-28-0x0000000008F60000-0x0000000008F81000-memory.dmp

Filesize
132KB

Download