1f44e683cf48a18f3538073d64d416bcd4c01fe96e495ee0039033efe6dd6d0b

Analysis

max time kernel
142s
max time network
152s
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 21:52

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General

Target

4c8b324cccfbc0a5e394511e79db66b8.pdf
Size

85KB
MD5

4c8b324cccfbc0a5e394511e79db66b8
SHA1

eb1c853287649b62eecb1bd7205a469f4f832a4e
SHA256

1f44e683cf48a18f3538073d64d416bcd4c01fe96e495ee0039033efe6dd6d0b
SHA512

0303d89fcd835a7a9888761b6f43fe1182e5546a75c634f57213250cb100262ee3a51eb2cab4635c95b9b9da62d787854a10d0759a27d0d91ad54eb8f3d28b00
SSDEEP

1536:dBCXHxiNBPrdC+WN/lMdwpFox8rYod6FiHSDv2MmgR3W6pOu26WsNRhklwrCein:GBwBzdCJNd7Cx81e3DOMmgRMu2acwO

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4168	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe
4168	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4168 wrote to memory of 2284	4168	AcroRd32.exe	97
PID 4168 wrote to memory of 2284	4168	AcroRd32.exe	97
PID 4168 wrote to memory of 2284	4168	AcroRd32.exe	97
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 5028	2284	RdrCEF.exe	98
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99
PID 2284 wrote to memory of 4288	2284	RdrCEF.exe	99

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\4c8b324cccfbc0a5e394511e79db66b8.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:4168
- 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:2284
- - 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=59E06423FC16750A38081A7F352EB618 --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=59E06423FC16750A38081A7F352EB618 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5028
- - 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=C0AB2867BFF816B8807FCE12C7C04A3B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4288
- - 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=4DE56F721E50A6E762FE634D9F6E07FF --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=4DE56F721E50A6E762FE634D9F6E07FF --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3060
- - 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=211617949527B66F5B513EC2252CA8CC --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=BF0623862F5D82D6E0300F33662D773C --mojo-platform-channel-handle=2120 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3504
- - 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=F0B6AAA1EC6DE430E0D2534E7F3BE654 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5044

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
c217b431c79d0dc3aa2c90425cb3543d

SHA1
b1673c9f2451d7f34ba715f0b924a69d6998916f

SHA256
79ab9f1b87beef85908a7df950cfce106583f688b638e76c01588f63bfac0e63

SHA512
4acbd39c6254cbbe4d6db592e0f4d4bb94f6f9dc5d3793f0b0e01a9e3af4dd227fdd24e102a7655335788f16a9cb1832b9e18816f92c8694c9f2724d1576315c

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