c78ffe660ad33424fc027a6755f1e363530dce4b65aece7c93b97d0dfbfb78f1

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 08:00

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General

Target

c55ffed9f9955e77456cb63f052ce188.pdf
Size

34KB
MD5

c55ffed9f9955e77456cb63f052ce188
SHA1

a81fb60dd77fad709027a39e2f1b6a6cbad90203
SHA256

c78ffe660ad33424fc027a6755f1e363530dce4b65aece7c93b97d0dfbfb78f1
SHA512

8879b994902b283b4977129af255c245fff78cabcf356602237a5ce5aa49cfba668b398d6cb807128aca0a86b2aae5f362297bbfc64aed32933b391c2e1847c2
SSDEEP

768:RG6O8zazAsCC6+6S2iCGC5sOM9LmYh4wozhhlllNbfvZxcAt:TOdpJ2K5O0SY2hh70At

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe
4936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 2564	4936	AcroRd32.exe	96
PID 4936 wrote to memory of 2564	4936	AcroRd32.exe	96
PID 4936 wrote to memory of 2564	4936	AcroRd32.exe	96
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 4888	2564	RdrCEF.exe	97
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98
PID 2564 wrote to memory of 2224	2564	RdrCEF.exe	98

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\c55ffed9f9955e77456cb63f052ce188.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:4936
- 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:2564
- - 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=090E39D5CDFAF4C736C47A487A2DD48F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888
- - 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=997193191E618D135A3A178C03DE7069 --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=997193191E618D135A3A178C03DE7069 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2224
- - 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=18DDD29F05F924015A584E323713DBDF --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=9E062D7ECF4E32AD05274C33920F54B6 --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=9E062D7ECF4E32AD05274C33920F54B6 --renderer-client-id=5 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:400
- - 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=607B78ADBE2759C4079ED19E89B29C65 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3020
- - 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=71F6245F2F537A9C4F00927A37359E26 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2320

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
e07c890271640c0108b122255fd6b3b1

SHA1
712bf35a9c745f5d124cd17e101dad96bef508a0

SHA256
cf390c93eb3aad7f51dded0ac4f4f8fc75296c1fea83479d37552e7be24892ac

SHA512
4f1d350c1aa3fff03a7487536bd6a8fb9a017aa9b1b706355b32c431cce927c4c8a4c92f4bbaf46378547ef4669266520d8a67e2f130c10092be91bbbc60f3a5

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