aa26a6a56bf607a4c2480a84acc69c5ec27eefef0de68b7bf300f55d71653832

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2023, 19:00

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General

Target

1499517.pdf
Size

107KB
MD5

0ebbdb8c58d3ae7151e91528f161da48
SHA1

1a059a790c6552ceb28f518382dfa59f4845da26
SHA256

aa26a6a56bf607a4c2480a84acc69c5ec27eefef0de68b7bf300f55d71653832
SHA512

1f68e66a49c0220444c576eceddc9370b5fc185f16a65929faba4c04b407ebc2a2b962ec1943b44c340e8107122ddc9e5dbd794c01649bb420af87f7f3c6f7b8
SSDEEP

3072:e0ZzyVbXpdo27BhkZNjNlNitlCVgrH/3hNJfmglVD15MO:eauANjNO7

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-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe
1972	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 4616	1972	AcroRd32.exe	84
PID 1972 wrote to memory of 4616	1972	AcroRd32.exe	84
PID 1972 wrote to memory of 4616	1972	AcroRd32.exe	84
PID 1972 wrote to memory of 1256	1972	AcroRd32.exe	85
PID 1972 wrote to memory of 1256	1972	AcroRd32.exe	85
PID 1972 wrote to memory of 1256	1972	AcroRd32.exe	85
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 3368	4616	RdrCEF.exe	86
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87
PID 4616 wrote to memory of 1168	4616	RdrCEF.exe	87

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\1499517.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:1972
- 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:4616
- - 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=BB33ADC4C02DE6FC720292200C564DA3 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3368
- - 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=4ABA34948DC83D71C5EB01721BEDA4C3 --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=4ABA34948DC83D71C5EB01721BEDA4C3 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1168
- - 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=F85F6435A829B1FCDFB480720C169016 --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=F85F6435A829B1FCDFB480720C169016 --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3140
- - 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=E561C08FE1F0DD76DF8B5984F833E502 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4832
- - 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=7E1E11B627D4B822D1451F3DD812EB95 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3476
- - 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=D28068B52DB910458896734355E66E64 --mojo-platform-channel-handle=1616 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4492
- 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⤵
  PID:1256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:772

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

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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
e12e7786fc1addd389e535fa3bf1a5be

SHA1
d95c9e4dd3bb61b66e150d80667811258317ecdb

SHA256
bc96b4e190a3dcb7f13170ce8882d684aebeb90559cec96880a84d0a832f2f43

SHA512
03bdf835bd8f63b31040f58537c8e158ae068ee055fd4a673c6b7975209aabcc20a4e7dcdcb105277df0722522be4beb426ceac1a5798f7ebec8d71f83d238ab

Download Submit