0876a3cbec12ceaa7a7493c41319d60db80282ed6cf5ffe837c91843dadf28c6

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 12:42

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General

Target

18dbb46c6b2ab18e1ca83faaceeb0d8d.pdf
Size

91KB
MD5

18dbb46c6b2ab18e1ca83faaceeb0d8d
SHA1

127bbc0d0ceb5a908402c63c08d1ca5ab2c76c0f
SHA256

0876a3cbec12ceaa7a7493c41319d60db80282ed6cf5ffe837c91843dadf28c6
SHA512

41e20e1c6a722b216495d05ee7806c498494641216f8ee3c1e2ae17cf7729f5dd9d7aadade3a6a27ddd546c0486fffd7980a48eb93c2519faf7b9583009f03f1
SSDEEP

1536:O5ggBGzAXenxY+HYvyZs/LIl9KsLcmAi6HUgLrBuSYyCD1jWOpOaZEWg4TkFRyGk:mg3z4IY8YLQ9KsLcmAiBgLQh50aZc4Tf

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe
1756	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 3320	1756	AcroRd32.exe	91
PID 1756 wrote to memory of 3320	1756	AcroRd32.exe	91
PID 1756 wrote to memory of 3320	1756	AcroRd32.exe	91
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 4144	3320	RdrCEF.exe	92
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93
PID 3320 wrote to memory of 2280	3320	RdrCEF.exe	93

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\18dbb46c6b2ab18e1ca83faaceeb0d8d.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:1756
- 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:3320
- - 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=1FCEC2176B8A079C385F26BC8E0D05B5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- - 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=67A85D6691E122EA67D835355B722FB0 --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=67A85D6691E122EA67D835355B722FB0 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2280
- - 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=F6816F3DA1E3418DF8B9625D646ED7DD --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3212
- - 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=CB0ADB54296A3020294498D05A822A9B --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3696
- - 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=30D895BA82DBD48D5AB1372151A6E1C5 --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=30D895BA82DBD48D5AB1372151A6E1C5 --renderer-client-id=6 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1208
- - 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=DB454CADED35715145B93917A423DE22 --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4500

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2944

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
ab2bb45b70993e398466b819280c418a

SHA1
1029c8d2cdae968f535cb31c5b50781bc28c63c7

SHA256
958f4fa93b8afc928ccec4efbf7bb0660ca5fe7f55b974de4263a0104bd09cb8

SHA512
7fc285a3be6588f529449337dcdcb8e7d9ce78496d0d58b3bb3108aa5a6775cbceeabad4aba9ca94c0d6fcfa274b190df1b266cba4deab4d1edc4a3332fd4bb6

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/1756-26-0x000000000BC60000-0x000000000BCB0000-memory.dmp

Filesize
320KB

Download
memory/1756-28-0x000000000BC60000-0x000000000BC81000-memory.dmp

Filesize
132KB

Download