b59ad68e7f3ab48454736bb138d154b70263d477190b685c37b2c13084ac729f

Resubmissions

10/05/2023, 14:37

230510-rznmmsac3s 4

10/05/2023, 14:31

230510-rv3wrsab8x 4

10/05/2023, 14:24

230510-rq1wlsab6s 3

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2023, 14:24

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Report Analysis Logs

General

Target

8f64fc_6c6e9d84d866482887bd34bf4e6a19cc.pdf
Size

68KB
MD5

9b25ffe09e2a7c3cad0a78476f5111d5
SHA1

1b937f48925149cce21638cdf29efc8b7b1a2279
SHA256

b59ad68e7f3ab48454736bb138d154b70263d477190b685c37b2c13084ac729f
SHA512

9ebd381cff0a78f505c67684eff456d73bcc1a5a31fdbc42b5557f43396a2a564d8aa8552fe7a6aa2b7f89132d2d527a997044e0ca6679106fc9c28941238eaa
SSDEEP

1536:Ldmft/gw/iXIrWdzq1RJXWe2sPwnk0veR5Cb1GBTgK:Ul/gTXtqDJGe2owz2RE5GBd

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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3884	2988	AcroRd32.exe	85
PID 2988 wrote to memory of 3884	2988	AcroRd32.exe	85
PID 2988 wrote to memory of 3884	2988	AcroRd32.exe	85
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 4080	3884	RdrCEF.exe	87
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88
PID 3884 wrote to memory of 1984	3884	RdrCEF.exe	88

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\8f64fc_6c6e9d84d866482887bd34bf4e6a19cc.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:2988
- 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:3884
- - 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=4C5B98D704BC652E7D076A23C800355C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4080
- - 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=24D4D09EE44171F4D006431665152C44 --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=2 --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=24D4D09EE44171F4D006431665152C44 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1984
- - 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=92E72FEE4F9EDFC6095DA58EB82BD4C3 --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=2 --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=92E72FEE4F9EDFC6095DA58EB82BD4C3 --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4600
- - 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=56471241C05CE9BF1ECD28B66A4EC913 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1888
- - 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=D59F9E20D1FA71C552EA5AB1865755D4 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:844
- - 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=B822837D2E07F780206E0B7918B8EF24 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2960

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2652

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
222886fd5f4f631ff6950887052d08a4

SHA1
86e07d3d0cb50bfe64cda9d15253ebec771af8a7

SHA256
9d6df1f6b6f8cd5e807d337b56f71065bae1dc2df38bed37e68789759b4abbc3

SHA512
6ef17716ea4d183f2565ba107e3d8dc99eaba83e482960f4b76c5e20e7e1a7ccde7a858ca0aefe6d86294bacb704a79a0ca4e5912492e5988e62ffa2e030715e

Download Submit