24d2a9280b9580a0d7fa75df81aef4694f058a000c14ddb21188767734315a81

Analysis

max time kernel
140s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23-02-2024 23:52

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General

Target

a0ab4bcda615f8863a336627aedc617b.pdf
Size

88KB
MD5

a0ab4bcda615f8863a336627aedc617b
SHA1

a7b21520105ab825a7c5f1301465132267777734
SHA256

24d2a9280b9580a0d7fa75df81aef4694f058a000c14ddb21188767734315a81
SHA512

8b413e3b1a996f846b20afcec94070cce2b33f3934fe62332cefec2f0d13bf86d5eaa077da8a11ff7f605626e2dd297c5d9e96a87c0a0543fcde3ec4c9f3a913
SSDEEP

1536:U7Oe4lYVJ7Mo9J2Q5jIwIZwIPROBImqkYOkTWT0SUWBb+6IIs4kW8pO76zj:sWlYVJ7Mo32QdIwUwI5kHkTWTfjs4374

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4108	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 1820	4108	AcroRd32.exe	92
PID 4108 wrote to memory of 1820	4108	AcroRd32.exe	92
PID 4108 wrote to memory of 1820	4108	AcroRd32.exe	92
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 5004	1820	RdrCEF.exe	94
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	RdrCEF.exe	93
PID 1820 wrote to memory of 1720	1820	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\a0ab4bcda615f8863a336627aedc617b.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:4108
- 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:1820
- - 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=C893DF7F04FCAD26DDEAF97B82E8E63C --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=C893DF7F04FCAD26DDEAF97B82E8E63C --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1720
- - 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=087190D0A5C52BA21AA70E33A91FFE86 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=8E9082C6EC3FA5EDA130E312C67B7817 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:764
- - 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=834321750D149574C207068365649153 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1364
- - 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=FD14CD70080694E934FE0E47C0AEA2DD --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=FD14CD70080694E934FE0E47C0AEA2DD --renderer-client-id=6 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3260
- - 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=B767CE39DEF7C20E2D4287081024A5D0 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1520

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1472

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
68615534af459935ed8f1d27be9789f6

SHA1
a156a936223c3b532958db625f7b44146990e343

SHA256
b06d015c85685715810f822ea07054b9fc72a8f39ca6e10bfc7e867f47de2e05

SHA512
f0d3bd8b578ee1beed181362e254b362e63c38cacee96c8ee7c918010e7cf675fb0d8ab5e03ed67305bc27cfcc6ea9ae1a10b604d8ca0f9c4132f7c4bb43ee75

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/4108-26-0x000000000BA70000-0x000000000BAC0000-memory.dmp

Filesize
320KB

Download