ef6148efdcdb392bb25cf0b3eb558b4036f9e44dbdd4218a1d914ca77f7f9682

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 18:16

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General

Target

8d044c8e81e6d79fa10c8cfc882d08a9.pdf
Size

107KB
MD5

8d044c8e81e6d79fa10c8cfc882d08a9
SHA1

dde8e5af4c2689b98c7faa0b4fdccc7972b5373d
SHA256

ef6148efdcdb392bb25cf0b3eb558b4036f9e44dbdd4218a1d914ca77f7f9682
SHA512

d7d79f10fdb254dc3dc7f8334b69be65f517eaafb6e6e96f5ba49374a78991aeaa9b2cf72c44157aa4e3a12f1a0c566990a9317ad436ec2aacbed1dc4c55e752
SSDEEP

3072:slaV/IxFLgog+MziUKo83/+ZeFzTWM+/Re0I7:iaV/I/LgoVciTF3ik3WM/

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
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1496	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1752	1496	AcroRd32.exe	94
PID 1496 wrote to memory of 1752	1496	AcroRd32.exe	94
PID 1496 wrote to memory of 1752	1496	AcroRd32.exe	94
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 4468	1752	RdrCEF.exe	96
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97
PID 1752 wrote to memory of 3052	1752	RdrCEF.exe	97

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\8d044c8e81e6d79fa10c8cfc882d08a9.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:1496
- 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:1752
- - 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=B9EB426C2E017CD3194DF676F92E6F2E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4468
- - 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=A9B84999AD916A1515611D8949D2CC22 --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=A9B84999AD916A1515611D8949D2CC22 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3052
- - 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=D164BB3DB75F17D65015378785BA00D9 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4628
- - 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=0F370A62BF177BA5873609ECBE902EC4 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:656
- - 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=0FEE1ED47F9C9DE13D51D1A47EF49199 --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=0FEE1ED47F9C9DE13D51D1A47EF49199 --renderer-client-id=6 --mojo-platform-channel-handle=2248 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2244
- - 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=453B41ECFAEF034F0BA596644913AE29 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4888

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
2f130db4d9d4e3a3d6a4174ee9e8fba4

SHA1
7dcb46e97a4c8cfefd617b1f3b8ef2421de6a961

SHA256
99d5cb1ddd4b7e70a6311a88aab561eb718c3d8135d6f82ff5f171ab1914c50c

SHA512
9f82d7dc77b574e2e734f519c53411da42f08a0df604bf52cef749bafa42ab861f909a429d5eed8b5837d7814ad6284f158d6fd61d677323366503c2dea341d9

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/1496-135-0x0000000009F00000-0x000000000A04D000-memory.dmp

Filesize
1.3MB

Download