e2c25675c616b75c9b074e708e265eab1073722e0019fc6c63c068898bf1729c

Analysis

max time kernel
149s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 12:19

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General

Target

5b387c20bebad628405ddc5f6a67b88e.pdf
Size

42KB
MD5

5b387c20bebad628405ddc5f6a67b88e
SHA1

1e8b274c369c9ee659a3bc09407dc092a8638843
SHA256

e2c25675c616b75c9b074e708e265eab1073722e0019fc6c63c068898bf1729c
SHA512

8d1b16a668b62c8d6bb888dad06e67539010c21b223f57da29b8bc4e4d9f3f575956ce770da38208fce8b4093c3a2c61b58d5a88da27f6996586131f676e01e1
SSDEEP

768:20MicWoFX6qqde/6HkpkwAQ+OKEgUZ0vVy0RW/wyIgEEwVXtoorZej7JaQ7rV:JdonqMz86KTmGbRWoyIgEZXtoEsV9V

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3100	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe
3100	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 3388	3100	AcroRd32.exe	96
PID 3100 wrote to memory of 3388	3100	AcroRd32.exe	96
PID 3100 wrote to memory of 3388	3100	AcroRd32.exe	96
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 2292	3388	RdrCEF.exe	97
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98
PID 3388 wrote to memory of 3376	3388	RdrCEF.exe	98

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\5b387c20bebad628405ddc5f6a67b88e.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:3100
- 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:3388
- - 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=2DF5C654E66573D48760CB29F6F92E82 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2292
- - 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=950466212040FD459C693377BCDC7B0D --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=950466212040FD459C693377BCDC7B0D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3376
- - 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=2ED67E89963FAA980E8C9F79CD074971 --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=2ED67E89963FAA980E8C9F79CD074971 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1176
- - 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=D11CC4D6BCE03F4E69E897D9BE434BA0 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3244
- - 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=025B3332A372AA849689CB515D2C5C04 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928
- - 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=BBD9E087B8AB0205DA1CC22FDD290EDF --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3680

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
865ce31140ba6d0396ad3031bde1848a

SHA1
b4b2aa36bb19f775ad424817d93aa83dee85b9e2

SHA256
10d4040ae3365b24692473bf4bc3f5d77d317bcd6eeb13ca67f6b6bf82a94538

SHA512
5a2fef8a96e2212363cbd43eb4d51eee291606968bb6f67139cfaa57bda5b30598bc2ab1fb8c2f7bd38741e77b99a9da20f5567cd773363eb828baf641748cbd

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