c556033c099a9f21556595cea892c85027ee7094bbb87431290720f9499e7702

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 19:21

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General

Target

c6ac50d68b74b11365d25475e43d506f.pdf
Size

95KB
MD5

c6ac50d68b74b11365d25475e43d506f
SHA1

a8e0b9af7770503f7685151e24b0bd0f9652e0ae
SHA256

c556033c099a9f21556595cea892c85027ee7094bbb87431290720f9499e7702
SHA512

9b5dd9ce226c5025570e5aa8641bfa9e1a627ed9f715a7b3b1f2adb522e3a234d09846245651210dbf298bebb8aa3b8e28524a32a7ba8f130f1b29660eea366c
SSDEEP

1536:WsNSgQBlD2loOqnr9AKXKgMuvVT2p/7rdYcJNvxI2hqWOpOaZEWuat40tHck2s9B:jkgJer9d6gM4cpvdVv22paZPt4K8kL9B

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe
872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 4544	872	AcroRd32.exe	98
PID 872 wrote to memory of 4544	872	AcroRd32.exe	98
PID 872 wrote to memory of 4544	872	AcroRd32.exe	98
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 1580	4544	RdrCEF.exe	100
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101
PID 4544 wrote to memory of 4080	4544	RdrCEF.exe	101

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\c6ac50d68b74b11365d25475e43d506f.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:872
- 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:4544
- - 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=093B315F0AB719F0BFF29A2467B82312 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1580
- - 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=E2FA3056E2C733045EA06393E9D759BA --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=E2FA3056E2C733045EA06393E9D759BA --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4080
- - 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=29208859EE51ADE4D0752EE7C09D08B3 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2084
- - 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=5CA578A1C31DF9595992ACBD70DB3EBF --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=5CA578A1C31DF9595992ACBD70DB3EBF --renderer-client-id=5 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1296
- - 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=2B26F7D08717F6A9DC8F3AB402494636 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1556
- - 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=0ED432A4AA37192D30259E77425968C9 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3836
- 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:2828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3772

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=3828 --field-trial-handle=3044,i,17059189006398306756,4247826696353232857,262144 --variations-seed-version /prefetch:8
1⤵
PID:5764

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
e32ff02022c101de623eb50c00b7d849

SHA1
1f8d6221ff26fd39f8e5789d6eb89c8cbc89ca21

SHA256
5a86eab10532c5380f8605eacea24872f57c472f6aff37817d85bf39f442a55d

SHA512
9e0e9dc05474fe7f9e10ed85e6453676b8bd5d33b9fd562e657eb331a923c33c2e575598aedc006a082134a34b8d72090ebada89db7ea1423ae4be9d639c1465

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/872-140-0x000000000C5A0000-0x000000000C5CA000-memory.dmp

Filesize
168KB

Download