f8b9d1cf2428a62d56027127c11679af1b0ed03d04ccd30416b4b9c2c0d15ba1

Analysis

max time kernel
179s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 05:05

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General

Target

06b32bdb650af8f96107232be82639ce.pdf
Size

84KB
MD5

06b32bdb650af8f96107232be82639ce
SHA1

c10d829d069726207b5f1eb1c58430fbf21bb5f3
SHA256

f8b9d1cf2428a62d56027127c11679af1b0ed03d04ccd30416b4b9c2c0d15ba1
SHA512

e77bfbf191cbc074037dda1a8559f4b64c7171e7828b5cbb1ba5ed193a72d05d4f3888220bb4cd2b53c9d1fb50ca319ae181bdfaa363fd92760f42e015d96d8d
SSDEEP

1536:qk/80DEXEcukd/0tmCA6zoXX5NZgZWkNpOPssNTfHeWZHNPYObUeOyj:R80g5D9rXJNnPHHrHNgCUM

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
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 1028	4504	AcroRd32.exe	93
PID 4504 wrote to memory of 1028	4504	AcroRd32.exe	93
PID 4504 wrote to memory of 1028	4504	AcroRd32.exe	93
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2724	1028	RdrCEF.exe	94
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	RdrCEF.exe	95
PID 1028 wrote to memory of 2228	1028	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\06b32bdb650af8f96107232be82639ce.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:4504
- 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:1028
- - 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=DDF7156DAE948B5C9C54D92A5E55D9FC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2724
- - 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=68B6AA311B593B70FC84D0152D58027C --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=68B6AA311B593B70FC84D0152D58027C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2228
- - 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=13255428036C4FF55650318B621DD915 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1504
- - 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=2DEF757714A4D343849CF38300E93509 --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=2DEF757714A4D343849CF38300E93509 --renderer-client-id=5 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3900
- - 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=11242E1E8DD24B6CD3B7DEDBB4936298 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2648
- - 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=1ED345E57338FF97A4829A70CF493D1D --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3884

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
40a429ab3a206fb65c6ff43736f4e223

SHA1
5dec68019135b9060a37dd0bf2f1beee7be19881

SHA256
72f102488c5663b673d2d5c9ffeb911c56559568be3bc11d06ef41860ab92296

SHA512
5100bdb2430d7543151e966a22847dd463a2031fbed93bae9ddeedcc7f2f92a3ce1ebab7a032a79ede49983139a4f574f277a8972e29f46f7371c224dd3f5c90

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