3e1ce8e97fdd3d28f31640e16b93c82f20447956410ca6929445838f6180576b

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2024 15:30

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General

Target

67fadd674b3dd37f1e00c8d325028480.pdf
Size

80KB
MD5

67fadd674b3dd37f1e00c8d325028480
SHA1

7f17402673341adcd3cc579a1b34571aea253e75
SHA256

3e1ce8e97fdd3d28f31640e16b93c82f20447956410ca6929445838f6180576b
SHA512

8b0ed733d8b366479dfc3302778034f30a4a0f7da87e50e5a8b22f433bc0856bb9efec8c540934933510420ae61d7a7ffe0a2e68d49e6c7f219597a1c7b0f1fb
SSDEEP

1536:54idpLmXvR6NNYva7K9kyHveooKFpHCpnyuDiJSGvpdi8UCxZh:zLevR6NNYvemkyGoBuGpdTUCR

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
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
552	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 2476	552	AcroRd32.exe	98
PID 552 wrote to memory of 2476	552	AcroRd32.exe	98
PID 552 wrote to memory of 2476	552	AcroRd32.exe	98
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 412	2476	RdrCEF.exe	99
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100
PID 2476 wrote to memory of 2692	2476	RdrCEF.exe	100

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\67fadd674b3dd37f1e00c8d325028480.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:552
- 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:2476
- - 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=2B771527E99FCB0BA8FCD86558EFAD05 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:412
- - 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=AB7B491DAA479BD8A5F6A514617A6199 --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=AB7B491DAA479BD8A5F6A514617A6199 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2692
- - 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=8542CE761533E13D47BA49624D1914F2 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1756
- - 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=21D93311BCD79111FBC387DECC6AF8E4 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1592
- - 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=1AECD18B32334F6CDDDAA02B889CD982 --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=1AECD18B32334F6CDDDAA02B889CD982 --renderer-client-id=6 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:224
- - 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=C5C972193E13C7B40568E5324EE10E4E --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:388

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
e8a445206d75e3d4fc26eee34b5d8b12

SHA1
63fbbda777ad2b1c1bc1a9db13f4b606775ad798

SHA256
bae6ef8018d9dd9e6ea71989b7f8741307f45b5cd260b6dc715b4143a94860fb

SHA512
cd12e4f6f98dfb258c00f43a8420792315f24849da3a0818e515966226ee38f9d168b58d86c9e00c122ab81bb9c2920953e21f5625c9f361f4477ecb72fe694a

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/552-28-0x000000000B530000-0x000000000B551000-memory.dmp

Filesize
132KB

Download