2ed158e9d3d6c7fca9572646e9d6e0a58399390a8af67cc90eff77258fd77e73

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 16:23

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General

Target

c10bf4927514bf4d0ee315fb53a8b7e1.pdf
Size

34KB
MD5

c10bf4927514bf4d0ee315fb53a8b7e1
SHA1

3e6a5969b14ce3fdb429860e657cccea6bb93066
SHA256

2ed158e9d3d6c7fca9572646e9d6e0a58399390a8af67cc90eff77258fd77e73
SHA512

fd6faf99647e7ea1bf74366c58318ee4b26744c7ccc8d31441108fcbce90f88b99d72dff7d9658c9fb08297d52c556e57092b58c16da8ed6b70e246f885ed18a
SSDEEP

768:flIBm7usOb6anVMUz9tV/hQkDz2A/3X9WYY:NIg7gKUz9L/hQ8KAVWYY

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe
2560	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 2204	2560	AcroRd32.exe	100
PID 2560 wrote to memory of 2204	2560	AcroRd32.exe	100
PID 2560 wrote to memory of 2204	2560	AcroRd32.exe	100
PID 2560 wrote to memory of 1288	2560	AcroRd32.exe	101
PID 2560 wrote to memory of 1288	2560	AcroRd32.exe	101
PID 2560 wrote to memory of 1288	2560	AcroRd32.exe	101
PID 2560 wrote to memory of 4696	2560	AcroRd32.exe	102
PID 2560 wrote to memory of 4696	2560	AcroRd32.exe	102
PID 2560 wrote to memory of 4696	2560	AcroRd32.exe	102
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4576	4696	RdrCEF.exe	103
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104
PID 4696 wrote to memory of 4112	4696	RdrCEF.exe	104

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\c10bf4927514bf4d0ee315fb53a8b7e1.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:2560
- 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:2204
- 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:1288
- 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:4696
- - 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=5F3854089A9C2F8011DB0B071A78D71E --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - 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=1C8ADEE4E4E8DA0D6277785A45BD33CA --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=1C8ADEE4E4E8DA0D6277785A45BD33CA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4112
- - 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=14263A7118613696E235BC32C1D3AA4D --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=14263A7118613696E235BC32C1D3AA4D --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3956
- - 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=2014F527C773254F8AEBC90EA9661656 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2160
- - 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=7018D7A61FAA5129C73CB1C0DF31E5E4 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4264
- - 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=C29BF1E858F6D9ACC5F92CEA1A706515 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2996

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3952

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:4396

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
bc411de633453ee572b153b4f02313dd

SHA1
9312ca1b3cbab29b615e91e0a552df0ec4434189

SHA256
42aea430ddb0dee698d38c87e40d796a652db7436d67c6f35defa2d5c361324f

SHA512
d1299fd62222771cef0eb1dc75ed5361518bc09ad2917371da8d60572c91d43a8c1357fe0cd290bc0e6c0c9576b06b38dc0c8bdb56b952b47aa8d362a611c19c

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