19a2ec582c6074fad976b8851ada0f533c32ac2f60287265edab003c05a40440

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
10/06/2023, 03:00

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General

Target

DEMSITKH230331003.pdf
Size

137KB
MD5

15d2f10d38d8aba3d5772fc0271c0d43
SHA1

8bb1bead9d6e9abfaaf99013a547640d60ed6c8f
SHA256

19a2ec582c6074fad976b8851ada0f533c32ac2f60287265edab003c05a40440
SHA512

dc78dff8ebef6c8fa2d8b6c1d7e8f5dff305f5edbc8760da50bf701c10f410f03aa7cd447fa8c6a2decb525aa6a825b279b4b2077050a399e35b9ddc053488ea
SSDEEP

3072:R7YTEEh8QOp33M9tqE8V/KJv9W9n75SPgg:GTEEhVA339V/cFK9SPgg

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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe
2700	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 4500	2700	AcroRd32.exe	86
PID 2700 wrote to memory of 4500	2700	AcroRd32.exe	86
PID 2700 wrote to memory of 4500	2700	AcroRd32.exe	86
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 5072	4500	RdrCEF.exe	87
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88
PID 4500 wrote to memory of 4216	4500	RdrCEF.exe	88

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\DEMSITKH230331003.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:2700
- 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:4500
- - 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=A5DA418C7B32E088159CAAB21C678755 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072
- - 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=89318B849064EDF14075EEADBDBC12C7 --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=89318B849064EDF14075EEADBDBC12C7 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4216
- - 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=DCBCA9CAF7ACF9452FF0D74B4BCDE91B --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220
- - 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=B570379EC3E39F385EE90EA4F6CB1EB2 --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=B570379EC3E39F385EE90EA4F6CB1EB2 --renderer-client-id=5 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4188
- - 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=4CA587C22212487D0FB20B8A43258C59 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1964
- - 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=072FF78621F9D0B90EBE3465905B7309 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1512

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1696

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

Loading Replay Monitor...

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
6b2ce4548ae955c314e6f57c21009dc0

SHA1
3b8625d055cdd216587c7b4491bfb0f29647f728

SHA256
08f5db7d44d1e3a0dbfd59e5b361f1765e74fa509874114e3057a26e9bc014a2

SHA512
19d91af0386cb238cc9fbc51872caf0e6b325c6fda3a48aa1fb09d5617c9de8cebceba2c5c3fea9b7df65eedb0d60d75408efde334e7eb2d4ee3a72814aec699

Download Submit
memory/2700-159-0x0000000009B50000-0x0000000009B71000-memory.dmp

Filesize
132KB

Download