1126c5a712899ab7fb886c7b38b7e546b164b49096229db6eceeaa4835ddfddb

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 05:08

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General

Target

2963e81dd28e39d1689227eac689d8cf.pdf
Size

56KB
MD5

2963e81dd28e39d1689227eac689d8cf
SHA1

a458420fdacbc8992c2a8a23c876f91966419be1
SHA256

1126c5a712899ab7fb886c7b38b7e546b164b49096229db6eceeaa4835ddfddb
SHA512

b94ed7a944370bbf02853b5be0ae6b65f047d8fe6fa8ebd314f520fe8e1a0d36249e99c48d24e7d820b6eb42cb0a725717fc460b4051a00ec1f016b41a6dbcba
SSDEEP

1536:eGFGfd2M0xPgomPS+jAVp8LO1iD0HosQWS2k:HFGFAg3PTOp8LUosa5

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 1384	2668	AcroRd32.exe	92
PID 2668 wrote to memory of 1384	2668	AcroRd32.exe	92
PID 2668 wrote to memory of 1384	2668	AcroRd32.exe	92
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 5052	1384	RdrCEF.exe	93
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94
PID 1384 wrote to memory of 1740	1384	RdrCEF.exe	94

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\2963e81dd28e39d1689227eac689d8cf.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668
- 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:1384
- - 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=55EC07C0C2C11E2E631EBA06AFBFA34D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052
- - 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=17698396C687C41D27D499502811DD41 --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=17698396C687C41D27D499502811DD41 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1740
- - 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=E4FBE1471B50EC4E6728921F7CADCC66 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2512
- - 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=A21EAFA581DCAAFDF0E8D7B556EEDC5E --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2864
- - 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=4CDADF0AD8323373C28DC9AB5F96F452 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:876

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
d42f15306771a6f6c394bee44c18ff6d

SHA1
d04dbb303281b3c365f81ddeee0f383abc09d36a

SHA256
84402cbd647fa44f0e50a56be4bc7493dfd0fea4bcbbd3349ef266c54c7e99a4

SHA512
af80998669264d9c496ca4d3bdbfff5622555322fe4cbe39720e575358be54a1295b2097e559efecd76dcbf545e6fd2635b4327f8016ffb916dc60c1c8948df1

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
8KB

MD5
d1e64b41dd10c362b3ebb8e15941eeb4

SHA1
d54adec6ef10d5e22ca0079b9b6124503fd54faf

SHA256
a16ce60fabec2a8b8c2bab3cc8989249986fb03441b2f3eeec6d84b7cecd9d9a

SHA512
2b33517125483cbd5a386ffe976dfb120f19f6d04f92ece2ad36cd183f9a1355e2b0ee1bf6b8f93f79e5ca623d2b331b7dba27951e1b8aa313fcdf7af04d167b

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit