0bce21bcbe266dc48b66d2a3d57f5e0ef0afce710ec35c524aa38d520ec3cdbd

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2024 09:43

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General

Target

4b1a05d99e3929670749cd9e2dd7dc94.pdf
Size

29KB
MD5

4b1a05d99e3929670749cd9e2dd7dc94
SHA1

dd6a6106a094d07ecb21a2383e753996aae20d08
SHA256

0bce21bcbe266dc48b66d2a3d57f5e0ef0afce710ec35c524aa38d520ec3cdbd
SHA512

63fb196a5ab253b120753b63fd04a387397056c0a0aa63d31b143b4a2be4f813038d7b9ffe972e0906b9ac1e5864779cb78dc0effd791fda42363ca4757b1a80
SSDEEP

384:fp9RIksuH7eOwEdG5pzGmTwD/eLFi2kC8UbxWCUSCW2lSI2G4gHWwZFg78J9JZva:fzuuHKPEdSGmW0OC8Ub4uG4g2wjEUQ

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe
3852	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 2012	3852	AcroRd32.exe	93
PID 3852 wrote to memory of 2012	3852	AcroRd32.exe	93
PID 3852 wrote to memory of 2012	3852	AcroRd32.exe	93
PID 3852 wrote to memory of 4424	3852	AcroRd32.exe	94
PID 3852 wrote to memory of 4424	3852	AcroRd32.exe	94
PID 3852 wrote to memory of 4424	3852	AcroRd32.exe	94
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 512	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96
PID 2012 wrote to memory of 3052	2012	RdrCEF.exe	96

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\4b1a05d99e3929670749cd9e2dd7dc94.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:3852
- 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:2012
- - 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=A13505DAE0943445B9E7BDBCBE1E695A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:512
- - 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=86BB5101CB68D965BAE45CC9AC6C0B32 --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=86BB5101CB68D965BAE45CC9AC6C0B32 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3052
- - 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=FF7525C1FE9CD76D2E6B7BDFD9B51C23 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4980
- - 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=343F363FEFEA7FB4B17C5B97838E6F29 --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=343F363FEFEA7FB4B17C5B97838E6F29 --renderer-client-id=5 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4520
- - 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=76C8CBC5BE3CBC61B7EC6C361471E7BC --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - 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=56927C797D1AA55793F6B6257D23BBA3 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1800
- 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⤵
  PID:4424

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
704cc6584c2a21dbad2402689ef95f72

SHA1
64fac7f5a9261b3d9e2df4a6bea120f288dce35e

SHA256
180fe4efec8a2c448a4fdbbbc7687579701cbba7718d07e8d3ac9e1c80e50b33

SHA512
10407aa3b0a48eb056af4b3581fe39e4c4fc1f5c5ab71e9f9b05d28bf7125d3b0df119d6a2f48990fde1f6c218c754ba7a4568f1107d22b90264a4a29d92d271

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/3852-132-0x000000000AFB0000-0x000000000B0FD000-memory.dmp

Filesize
1.3MB

Download