06574caf46c5a51d5d39984a2484e07b4e50acf0c5458bd3822c96551b475232

Analysis

max time kernel
155s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 13:45

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General

Target

ac26e429a9e1dba8df11522724d29534.pdf
Size

62KB
MD5

ac26e429a9e1dba8df11522724d29534
SHA1

92dca0b4445414137642209a8877aba5d7236889
SHA256

06574caf46c5a51d5d39984a2484e07b4e50acf0c5458bd3822c96551b475232
SHA512

a231f78f201bf37bc74877d580fc6159344ba8c18b25d2e053b226520cfda6d8a0c7875bd9c83d2e02a4c7cdbb3a320f2d48c3ee80bf10217bb4f3ac6fbb0f2c
SSDEEP

1536:wm/b3Jf9MxQjcsyl3DkFYls6YwBbPVnw2BVZn3bEk:dz3JAQjSlyYRYMtpVZn3P

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 1220	4336	AcroRd32.exe	91
PID 4336 wrote to memory of 1220	4336	AcroRd32.exe	91
PID 4336 wrote to memory of 1220	4336	AcroRd32.exe	91
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 4488	1220	RdrCEF.exe	92
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	RdrCEF.exe	93
PID 1220 wrote to memory of 1660	1220	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\ac26e429a9e1dba8df11522724d29534.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:4336
- 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:1220
- - 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=815E5525BEB9543332274A30535BFE90 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=0080CE04130C66DB1F3F07A349AAE085 --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=0080CE04130C66DB1F3F07A349AAE085 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1660
- - 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=EF1A687B73C0CE33E82350DFC68E3FA5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=0A8963C483B924EAF4D98B46D852A707 --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=0A8963C483B924EAF4D98B46D852A707 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2624
- - 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=BA56DDD325C17E5A4B435E36B23677E6 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:812
- - 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=74CA8B50A65604BB406B219575144CE8 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4748

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
171a31fc425096385dc834cc0f43ec74

SHA1
99cc7deb9c6e2c93c855887900b21231d6d8ebfd

SHA256
479b14cc18ea27ba753f7470f3982bf9fb2e312dc0d35bdfb26e9794adfc4c9a

SHA512
bfed8132711c99eac57390bc4288639b4bc8f0898476a875bb5300405a50f8178d4f047b2a5e77d07156e4ab7cd37c3d452ec48def9134aece6bac7fec2e751c

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
1KB

MD5
d0df5f9974138501424cb06472477adf

SHA1
9d143e2c9c48327c6fa0b4f2fb65be982037db51

SHA256
6c3615c908cb98afc062e70b7f985bf7b667fd8540a25824aa07a14b6b6a05d6

SHA512
9a7d8b47a8311e00ba206fee9bf0d42991a0caaf43492ea067bb6c9eb333a3231a35bae1efcd95add82d6dbfcfef5e10d42c084b9e73c5fdd7eadf8131324617

Download Submit
memory/4336-27-0x000000000A3D0000-0x000000000A3F1000-memory.dmp

Filesize
132KB

Download