c7faebc405970d64d7d8c71e6aaf6f2cc557dcdd7b8870c1d9382276f6dc7881

Analysis

max time kernel
110s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
24/01/2024, 12:40

Sharing

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General

Target

9e61ef79-5b72-437c-a0ee-b0fb0112577a.pdf
Size

1.5MB
MD5

2b1c63def490a57f922b117c7fd19d76
SHA1

655251872dd6bfcbeeb5db764c480b0c403510d6
SHA256

c7faebc405970d64d7d8c71e6aaf6f2cc557dcdd7b8870c1d9382276f6dc7881
SHA512

98271aa435c5923d7c667d5f75f3a41f2d34a98a6218b9db5ac51fec590d0170899515c10397778eaf920ea5dfab40362655449a5819a07ac5e9e6f1ac7c1916
SSDEEP

24576:QJJJX3tHtCGsZx71JGWCVmb/P4XXWdL26cgBgY:E3QLWQ6WR2MKY

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-1-5-21-894477223-740240645-3565689000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe
712	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 4352	712	AcroRd32.exe	80
PID 712 wrote to memory of 4352	712	AcroRd32.exe	80
PID 712 wrote to memory of 4352	712	AcroRd32.exe	80
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4520	4352	RdrCEF.exe	81
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82
PID 4352 wrote to memory of 4524	4352	RdrCEF.exe	82

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\9e61ef79-5b72-437c-a0ee-b0fb0112577a.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:712
- 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:4352
- - 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=10F1C87FFE8D6AC7480E5E6BC3E9A60B --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4520
- - 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=961DC0B110ABD845866BF59F1802DCA7 --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=961DC0B110ABD845866BF59F1802DCA7 --renderer-client-id=2 --mojo-platform-channel-handle=1780 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4524
- - 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=15616694E732D872C264BED5DC584E39 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2440
- - 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=9C9F9F0A68054303D90AAF829247D346 --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=9C9F9F0A68054303D90AAF829247D346 --renderer-client-id=5 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4768
- - 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=6C4777EE14D7BB613039513DCF1BB067 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3192
- - 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=06A206BB3A2877A414790EFAF5B5553B --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3728

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3316

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
6cc49c0bef4c8bcb6f9f2fb8991e0771

SHA1
98693b5f3e73724fc0058fd18a35ed67c3a5e06f

SHA256
ebb3f662afcd1d82124d83ce330640bd59da34b02265d042f5f7ca3233dada9b

SHA512
ae86aa3237aec97fd6be3cfea64252a2ed67d802dd3aefd11eb0590db0f8195cac85e28f5a8f22508dd97d07dd0c06536c915c191f8b89aab2b7f3a52e518e10

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/712-154-0x000000000EB00000-0x000000000EC4D000-memory.dmp

Filesize
1.3MB

Download