bc8794f18d4ab62ecbafdf99c1a331f5518e0c4c49edf208caf5434d1b65077a

Analysis

max time kernel
143s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:56

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General

Target

04f50b8b86b97766eae4504f9d08d13f.pdf
Size

88KB
MD5

04f50b8b86b97766eae4504f9d08d13f
SHA1

8400e9a9c68d933559d49dcc496b24d12d356ff6
SHA256

bc8794f18d4ab62ecbafdf99c1a331f5518e0c4c49edf208caf5434d1b65077a
SHA512

45839c5e69eba8a63bc444a2ca550ce820b0a3694798a980a870d9a24d21ce69c13fe2e840c28212801d601aeac3fd14555b389eed48de8384c348db7f9b9273
SSDEEP

1536:gFIZEfh319n15+7En0HAzP11Qi5HW0MpJg4zVZWCpOViIWUrHiqsVa6:wfhj15KE0sPv20M3zMViqlQ

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 2156	824	AcroRd32.exe	90
PID 824 wrote to memory of 2156	824	AcroRd32.exe	90
PID 824 wrote to memory of 2156	824	AcroRd32.exe	90
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 2028	2156	RdrCEF.exe	91
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92
PID 2156 wrote to memory of 1372	2156	RdrCEF.exe	92

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\04f50b8b86b97766eae4504f9d08d13f.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:824
- 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:2156
- - 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=4CBE67F540DBE4CA00CB93B11A4B6EBB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2028
- - 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=EDFA2CE50A5F60128DAFD8DE2D3A613C --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=EDFA2CE50A5F60128DAFD8DE2D3A613C --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1372
- - 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=BA33B04C11BE586B24E77EF4ADE8E6C7 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3536
- - 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=DB81666A7BC5124E9268A4796CBE80B3 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3512
- - 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=34FF725CC78B5D78D42C968F93EB45F9 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008
- - 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=76B098EBFA1D4531979B2E92BC37EB15 --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=76B098EBFA1D4531979B2E92BC37EB15 --renderer-client-id=7 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4264

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4912

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
cdf5bdb440525a687d7091d3192b883b

SHA1
58e3c7006113dc680eb5a21efc3fcce8bb5f2fb2

SHA256
d98d355340337920a8ee1a9d9ebcdf00ae5cef72423994a9b3866b3f4f6cd6bf

SHA512
00690f58c005e8e5e50a92cbb282ea9a944dd98a58d7e8e2c6de82d7141a47dbe65142826f9146b0e3f940b28ca962c5b7db47d8f71e2b1430a8862655d75684

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/824-25-0x000000000BED0000-0x000000000BF20000-memory.dmp

Filesize
320KB

Download