a52198de9737175cd423d7a62bd24b497b2023a69c754bdc5a2e415066641c6b

Analysis

max time kernel
4s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2024 12:34

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General

Target

58ecf7970aa6037be5a6756c0e851dd7.pdf
Size

86KB
MD5

58ecf7970aa6037be5a6756c0e851dd7
SHA1

64460defcbab1a99901b8eae72060b341370d8ee
SHA256

a52198de9737175cd423d7a62bd24b497b2023a69c754bdc5a2e415066641c6b
SHA512

e9e97533f5ecbee438f625096a706fb2706155a257893108c0db68222d5da1669132b882450de80ccad66b552f2b2724d5e5e0a67cbb8ebb4a352af56abd3289
SSDEEP

1536:kHHPKggY0jg8kmPKYQrXdAauSIS94dY6yhqC7UlrgtnGhm79DHIWjMcWzE4XgWOS:+vNP0jlkDYQroS9NJ4C7UdgtGhm7tHTE

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5000	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe
5000	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 3016	5000	AcroRd32.exe	95
PID 5000 wrote to memory of 3016	5000	AcroRd32.exe	95
PID 5000 wrote to memory of 3016	5000	AcroRd32.exe	95
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 4924	3016	RdrCEF.exe	97
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96
PID 3016 wrote to memory of 2840	3016	RdrCEF.exe	96

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\58ecf7970aa6037be5a6756c0e851dd7.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5000
- 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:3016
- - 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=F37E78F44B615DD5B2AA74171DA37EDE --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=F37E78F44B615DD5B2AA74171DA37EDE --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2840
- - 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=F1207D6B4572AFFD6591911B36664538 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4924
- - 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=7420416AF982E30EB5B6759962980ECB --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:728
- - 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=E1A3585A4474573365D19EB3145CEDE4 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4780
- - 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=13300754FF6F17688023CA575F13E40E --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=13300754FF6F17688023CA575F13E40E --renderer-client-id=6 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1324
- - 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=E3CC5864A244E7A8041001BD39F7616A --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4812

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2100

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
8644d204a0b4f4706f59dc5bd7b91122

SHA1
c43378be0f82f486ad3f5ad373fb2db1eceaf0f7

SHA256
d38a43aed95d066591869d4c35d5cfea987bf8bc9d4dc53c1bba250ab7571f19

SHA512
8ecc8abc030ecb7286ff7852079b58a644929d4d3dd213f19d87c668af40e9dd4a232b6aab247377379122c6cf6b318a90ae2fe4d5d85004b3c140593f51b6c0

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