87af5320655406be6996f2f34381912f8ae12a8d6fc8312f2e3bdad949df57e5

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 04:48

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General

Target

c27c1547c866c1aa0e16f0f855925363.pdf
Size

87KB
MD5

c27c1547c866c1aa0e16f0f855925363
SHA1

ed45dba6708b2745e1de0c099f24a1e68969907c
SHA256

87af5320655406be6996f2f34381912f8ae12a8d6fc8312f2e3bdad949df57e5
SHA512

fc3f28d284300c166a9478a9cbdec23d9f9b7436a6fe82c2d0eb4c77bee2712298b395afae17fb9c66305102c7e62175568c0c2cfae1a7c44737db36a66448f1
SSDEEP

1536:YfFZFfLH1Gl/E1TmxVdrWcsesu629aKNUXgRHWHpOvTWpvc8mmq5tDl9Wj:8Fol/EazyResN29aKK01vMvc8k5FlY

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 4380	2636	AcroRd32.exe	84
PID 2636 wrote to memory of 4380	2636	AcroRd32.exe	84
PID 2636 wrote to memory of 4380	2636	AcroRd32.exe	84
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 988	4380	RdrCEF.exe	85
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86
PID 4380 wrote to memory of 5584	4380	RdrCEF.exe	86

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\c27c1547c866c1aa0e16f0f855925363.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:2636
- 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:4380
- - 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=7F2D40AC85DC98982A9187FA6BC64BB9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:988
- - 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=AB6F9EC7CDA8BC5EB3D50648FC905E71 --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=AB6F9EC7CDA8BC5EB3D50648FC905E71 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5584
- - 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=59F1B4B616CE9C6456EA955B50143D90 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=DB410FB9E97B3EC102FF13A6C1CE5C5D --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3368
- - 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=425BCC1E470019C8A640591C1F668071 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5628
- - 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=BEDEDBC80358A89C71753EAA4BA50CF0 --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=BEDEDBC80358A89C71753EAA4BA50CF0 --renderer-client-id=7 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5616

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:224

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
2085506d43097b51a7c0968d98365ea3

SHA1
4114e57dc2c7a3bc323491a3cdd8855fee7bd3cc

SHA256
b20f5071dbd800d2c244d33a8709e67a946f3789c8826fa438c4bb22b949acff

SHA512
a1a216de4142b86bfc87078be35f60a4dbfb232e13fdc78b95272b53a451687d43bb12b18b71a8126a9af9c8dbf4b41c303bc62987f6c64fcaa3fe0f40841483

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