2a2b6a254a535b946b7128ca6974d15d262affe8bd11ca8bfaadd3ada50577e3

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 08:47

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General

Target

be2c13db1e8d523911e50e7758a3b58b.pdf
Size

87KB
MD5

be2c13db1e8d523911e50e7758a3b58b
SHA1

cddd3a9d0694bb1c6b9bfa88b5749c367078051c
SHA256

2a2b6a254a535b946b7128ca6974d15d262affe8bd11ca8bfaadd3ada50577e3
SHA512

49b6ada4ac08e97a5f9ca6533c366f9828a3c4b7eeb2ee4a7e7e012d900d2ad5ef4659ad9d824b203b681a4d0d6cff5cc8615375f8695f46551bd23c87b730bb
SSDEEP

1536:SzHBkXsa8CRrzJqr9CJxE263tObt8gWdNPxpLHIWZzW8pO+GJi:IHBkTVQ9C7O333p9Za+b

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4476	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe
4476	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 4620	4476	AcroRd32.exe	94
PID 4476 wrote to memory of 4620	4476	AcroRd32.exe	94
PID 4476 wrote to memory of 4620	4476	AcroRd32.exe	94
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 4376	4620	RdrCEF.exe	97
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	RdrCEF.exe	98
PID 4620 wrote to memory of 2992	4620	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\be2c13db1e8d523911e50e7758a3b58b.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:4476
- 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:4620
- - 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=D7672D46B4EB048EE61B4ACF9ACE34E9 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4376
- - 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=D06508C514F2C69C6F1B6D7A0BD8C345 --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=D06508C514F2C69C6F1B6D7A0BD8C345 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2992
- - 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=52638348AB0E15F7BE3FCB22DCF829E1 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2704
- - 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=620A10231D62BA6FD81679FC2B627A28 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2252
- - 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=87A849EA84C16BC406D17C0E6C4F7F75 --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=87A849EA84C16BC406D17C0E6C4F7F75 --renderer-client-id=6 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4352
- - 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=2FB4461ADF1058A719F71D54151C8A6E --mojo-platform-channel-handle=2764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3548

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2472

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
3c38360b20693a7edf701771547a0bcf

SHA1
232b880dc8ec8b4a7551dd11badcb67241f57acb

SHA256
af4579f01212a865dce9221b7ee619611e163983832d0a2ab16fb8e863b27a47

SHA512
d4888f6d2576d302da160d7387be4cef816a8de66f675c01f380ce7a61482d2b3e1e994d9da1e103868ebebe862a921c8589506ada0f14731ce56869833fbc49

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