917aba45be82415ff9039081ac79cad39513f4c73b730328f776ac22c208445f

Analysis

max time kernel
148s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 06:43

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General

Target

2c0e0b42dc41ade7e934f31da5131d84.pdf
Size

77KB
MD5

2c0e0b42dc41ade7e934f31da5131d84
SHA1

25c86804f444d802b14224af2b1b838e12f5592b
SHA256

917aba45be82415ff9039081ac79cad39513f4c73b730328f776ac22c208445f
SHA512

08e0fbd7db80135687fa4fca989a4ee199ee33b7fbde9fa20dc96c55c3f03c2f1b26e65b6f627f95e9195d5f65c657e1dcb51b87a65728bbe5f600d406f5ec42
SSDEEP

1536:6cuzHFn3KOaOtF4EKG9PUfvQsZl3LLqMXemTUgpJKOWeTl4RtCnMvp8+WUpO9Jmo:loHJYOUmP8QsZl3LLnjT9fKkCRtvvqBJ

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe
4504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 4488	4504	AcroRd32.exe	93
PID 4504 wrote to memory of 4488	4504	AcroRd32.exe	93
PID 4504 wrote to memory of 4488	4504	AcroRd32.exe	93
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 1348	4488	RdrCEF.exe	94
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95
PID 4488 wrote to memory of 316	4488	RdrCEF.exe	95

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\2c0e0b42dc41ade7e934f31da5131d84.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:4504
- 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:4488
- - 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=F678F2E0D909A0B7A00B4AC1EB8A319E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1348
- - 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=B13426483A924DB9D5FD844836209D63 --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=B13426483A924DB9D5FD844836209D63 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:316
- - 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=34184232DE0F3616A250E7712BBA6294 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3676
- - 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=BABA1351C4950DC3A7D84E96976FF652 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4204
- - 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=6C33CCE5D5F3310E4031B69C24357BBF --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4652
- - 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=48A6807602FD103BF975393ABF475F6C --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=48A6807602FD103BF975393ABF475F6C --renderer-client-id=7 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2460

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5064

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
a6eee3270caa17201e9cf5ee75fe2330

SHA1
be44b6f19386f9f273e113dde3b5eb42ec080328

SHA256
e06cee170b8aa18e0a8713c9fe26992e3121bd3f514407dafbe2e0cc10e6dbe6

SHA512
efee7f6f346b55b219ced93755bc728fbd3b1dd34b3b798c1a853ad3607e8d1c7677b98d7b815fa32e75d8cfd504955fcb2cffed8c19db0f8cac74a4a77259e4

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