9c05278dafc206544e06633b848e2ddf52b06563ca8380a7781730e79daee644

Analysis

max time kernel
145s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2024, 17:24

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General

Target

de8c5eb196a31d71148e6f88b37f0baf.pdf
Size

69KB
MD5

de8c5eb196a31d71148e6f88b37f0baf
SHA1

7d164228f6339064e2da319a4806a943e19fec7f
SHA256

9c05278dafc206544e06633b848e2ddf52b06563ca8380a7781730e79daee644
SHA512

c6476304ee985d81937cb58dd4233f862394f8a50cb345c01c329c4d0227a111f69b47c0fcfc440a6f693246bbf78115c07db6a6ccaef2572b3e7a182608263d
SSDEEP

1536:hAQP8O83xsy/2QPbWsSUvKa0type/PYs4ip3LaSG0klv54:hB8OGSHsKa8y+QKt+RdP4

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 20 IoCs

pid	Process
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1848	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 1380	1848	AcroRd32.exe	99
PID 1848 wrote to memory of 1380	1848	AcroRd32.exe	99
PID 1848 wrote to memory of 1380	1848	AcroRd32.exe	99
PID 1848 wrote to memory of 1196	1848	AcroRd32.exe	101
PID 1848 wrote to memory of 1196	1848	AcroRd32.exe	101
PID 1848 wrote to memory of 1196	1848	AcroRd32.exe	101
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 1744	1380	RdrCEF.exe	103
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	RdrCEF.exe	104
PID 1380 wrote to memory of 3692	1380	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\de8c5eb196a31d71148e6f88b37f0baf.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:1848
- 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:1380
- - 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=0F161C61CA04F7DBA5C9E83786AEF35D --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1744
- - 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=1474B894F8C53964375841E63BAE4052 --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=1474B894F8C53964375841E63BAE4052 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3692
- - 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=5C5999A30DD44506E6200C95E3338918 --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=5C5999A30DD44506E6200C95E3338918 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4332
- - 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=8D024513C91AD95086017C05170EFEA3 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:492
- - 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=B65C8734463A3AD1702B356E79B26245 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2984
- - 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=E0534307605FCF7E27F6B739A5E55F17 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4896
- 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:1196

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3316

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=3956 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:5448

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
c905dd405bd8ed233146a27f8ade8406

SHA1
8f211679c7ce76dc3b0e7b37a73f1276c0fd8ced

SHA256
23caacc261546d6d26523b5efdff7250de67d4edc9defbbe8d2b149eb2a72f08

SHA512
91b93a1c005d7174379951735ec8f7f982f110c7c838c4aa9b6753c990601f70ffe2371a5ded4ec0c7038531a2a5b950e573edfa457275ada6a74a2e2f880cce

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