d5803c91ed822f5407e5323b8a9cccfbe1fb1a950e6b5574dbca680ed7896731

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2024 22:27

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General

Target

87d40123754b0e792df8ac4c2904811d.pdf
Size

89KB
MD5

87d40123754b0e792df8ac4c2904811d
SHA1

2127d735d994d7fda360e2c2398fb24ccade8a01
SHA256

d5803c91ed822f5407e5323b8a9cccfbe1fb1a950e6b5574dbca680ed7896731
SHA512

0e1035641e6a9e9c9ffc5b50ed4efdf510d97089f27b2ccf30c5eaba06d49d09c602ffa0d50ea01ab062e0b6842d1ad1baa2f3d4ee45bf94b474f77b42730208
SSDEEP

1536:awjuNH1nc66HH4nsQqhtE0EDXUjj7wxJOSmvY+kT82vR1lLKW3AedBn+UIHygW8I:/yNH1ncrHYsQO20EjUX76AvQTFKWn+UL

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe
3080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 2308	3080	AcroRd32.exe	83
PID 3080 wrote to memory of 2308	3080	AcroRd32.exe	83
PID 3080 wrote to memory of 2308	3080	AcroRd32.exe	83
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4988	2308	RdrCEF.exe	84
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85
PID 2308 wrote to memory of 4032	2308	RdrCEF.exe	85

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\87d40123754b0e792df8ac4c2904811d.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:3080
- 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:2308
- - 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=6880BC52B4BA03145D207F5DEB48BCBE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=D8AEA990C945055FC32F103AD8100CC3 --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=D8AEA990C945055FC32F103AD8100CC3 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4032
- - 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=C7FBCC0496736D777202B2F424F676AE --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=C7FBCC0496736D777202B2F424F676AE --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4696
- - 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=0EC9E9B6FCFB81D1A1E3F641C511EF25 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356
- - 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=2B74654091BAC7B3A67BCA959312CB75 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088
- - 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=F005355D985B5C305409AC98E1447E4D --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1280

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4524

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
9a115455066e3a4b4a56f44738353f1a

SHA1
1151635536e87506ae7dacab1acaba847934002c

SHA256
02e6bbadc36543641dd59d45dcd40f2e16debd4e088c9a1730b1259bae0d80b9

SHA512
77f9bb42791973e6c47ce478337fb2ab83faa0ceffd0e52ae33ee239c8cabf00c2c8217a457aa12c3e7a08cbdcf9ad9768f7b6ac357b4e3c2c47d65381a2917a

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