f8e00a1e8dc86ab960a1df821446c8333ef37afff2f7e5f80c16c312d9520f45

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 19:38

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General

Target

a2960e8e30ff993cff413ec84709dd7a.pdf
Size

87KB
MD5

a2960e8e30ff993cff413ec84709dd7a
SHA1

df106f20f1ba18d117f89142c1126fa3f7694f1f
SHA256

f8e00a1e8dc86ab960a1df821446c8333ef37afff2f7e5f80c16c312d9520f45
SHA512

bebcf4a154de6608b76afd8a93950ba2930040f8df8e214fbe399f5d92c265f2ac6998637f4cb5fb93f2c7d48805bb439ed980e22bb84f37cffc855a2b7f8f8f
SSDEEP

1536:CX7BvCdaNxh68n7x8eK7985d/JQTTjryw2W0uWXPCqYjWBWOpOwr8ifi8XWfoJVA:s7JCdaz1n7xtK79Gd/mTTjryacCqb+w0

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1392040655-2056082574-619088944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4736	4920	AcroRd32.exe	91
PID 4920 wrote to memory of 4736	4920	AcroRd32.exe	91
PID 4920 wrote to memory of 4736	4920	AcroRd32.exe	91
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 2120	4736	RdrCEF.exe	92
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 4772	4736	RdrCEF.exe	93

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\a2960e8e30ff993cff413ec84709dd7a.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:4920
- 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:4736
- - 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=1F0F4D8B6B5E622A200A81CDB0A1C556 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2120
- - 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=EBD5F8C2B04A380A5723DBF9CBC0A48E --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=EBD5F8C2B04A380A5723DBF9CBC0A48E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4772
- - 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=A38DBDC5BFCB1126285E2311ACC792F3 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:984
- - 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=F357568F8E9E9C55E83C4819734E8AA6 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2156
- - 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=B72101C81B39F38D538EC596D361224B --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4244
- - 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=01A92E330E59FE6330999A42F8DCCDB8 --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=01A92E330E59FE6330999A42F8DCCDB8 --renderer-client-id=7 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2760

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
a96a5a7eb8f1757b900aed0c3ee10216

SHA1
3f9aee11d2eb9d6ebc6c4673bfa11f55ffc705f9

SHA256
e5620d204dc9664822479213a22d04c43c99d2b9ae2c4c51a89147fe87316a09

SHA512
c1124255ae2860b5d5095de03e873aa267083ea066fa4b14de395549fcc522ebba4d58365cc8c60cdf4f594daf1e06fd22b5302962948b3e45b525cd66465fbb

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/4920-26-0x000000000A7F0000-0x000000000A840000-memory.dmp

Filesize
320KB

Download