ec7abdfd4b6035a2f9eb34027faeacdfcb9a7c23e7e514ca2ef2e1958bd98ffd

Analysis

max time kernel
145s
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
31/12/2023, 05:41

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General

Target

2a676debff18e971a495fd829f2866b1.pdf
Size

91KB
MD5

2a676debff18e971a495fd829f2866b1
SHA1

778ff7e4939b5650143898e4a72e1a354d9ecaf3
SHA256

ec7abdfd4b6035a2f9eb34027faeacdfcb9a7c23e7e514ca2ef2e1958bd98ffd
SHA512

c06b0dcfcbd5ad509e3cba61efecf94de12ff5a54e1a046f5f54d10563c8a397da053f61320255fa7d43ccf67cc71f9ba45266f7746799b2010ee933f0707c71
SSDEEP

1536:I+diNYszYC0i4/ZHUGLo0Ofsk9HpsuSMSR6BnHTWxApOG2WTdCW5SavHMRm:jcYszYGw0GkHf7muXxH83GldPXvz

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2300	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1496	2300	AcroRd32.exe	92
PID 2300 wrote to memory of 1496	2300	AcroRd32.exe	92
PID 2300 wrote to memory of 1496	2300	AcroRd32.exe	92
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 552	1496	RdrCEF.exe	97
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96
PID 1496 wrote to memory of 4856	1496	RdrCEF.exe	96

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\2a676debff18e971a495fd829f2866b1.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:2300
- 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: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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=23AD2710916C280A346BAFFC59BFF9B7 --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=23AD2710916C280A346BAFFC59BFF9B7 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4856
- - 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=422238155D2E29F5C1ED7FBA2402E483 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552
- - 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=6A1D739B47EBB87F6F2B4007058923F4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3580
- - 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=671BA8C80E20338B2CA4137063A5CC8D --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=671BA8C80E20338B2CA4137063A5CC8D --renderer-client-id=6 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3544
- - 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=93911C25399630953E272B0526D087F3 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3056
- - 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=0AA92DE24D8DFAC1EB80E78F2CD5385A --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2616

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5032

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
d6b15a528cd0e6a58314d4146af4521c

SHA1
278ee88ea4df721ce4f83eddbd681b38ac7204d6

SHA256
d58a7cff1f8dec130f7a7d9c378c66b3926f653c381f894d813c009eea021c62

SHA512
4b49a63fc36f560ce082194cfbeeb52e1a6660421279206ea548c3481fe756c9efed2adea7588955daf5991b7c151fc7a58e29f1366e7eac369c659e88a15e17

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/2300-26-0x000000000BE50000-0x000000000BEA0000-memory.dmp

Filesize
320KB

Download