2d90ec4e92e798f8c8d5abfe4d8dc645d58456e31f2d0f188572f83d5ad72f85

Analysis

max time kernel
151s
max time network
155s
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, 22:20

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General

Target

c6fec08dd1475569c8bd4d96011758d0.pdf
Size

79KB
MD5

c6fec08dd1475569c8bd4d96011758d0
SHA1

14663f486db02f51a08ae4fa0a198aa8cddd67fe
SHA256

2d90ec4e92e798f8c8d5abfe4d8dc645d58456e31f2d0f188572f83d5ad72f85
SHA512

c1dc4594f11fde77c1987b2ed9abf3a29540a5a06c185b9765dd23f302c2e954733c97e3ae3286d4771a6e1a8c0c786967a473bf1e228b4bf956aab29167d765
SSDEEP

1536:2tldlCeoJz/bpGC/w6y4lh4jrYqcSD+wW8pOGXph3H9IWyh1515E15t95r:CCPR/9546bKnYq6GL9Gz15E15t7

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3964	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe
3964	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 4716	3964	AcroRd32.exe	105
PID 3964 wrote to memory of 4716	3964	AcroRd32.exe	105
PID 3964 wrote to memory of 4716	3964	AcroRd32.exe	105
PID 3964 wrote to memory of 3756	3964	AcroRd32.exe	108
PID 3964 wrote to memory of 3756	3964	AcroRd32.exe	108
PID 3964 wrote to memory of 3756	3964	AcroRd32.exe	108
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 3108	4716	RdrCEF.exe	109
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110
PID 4716 wrote to memory of 1428	4716	RdrCEF.exe	110

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\c6fec08dd1475569c8bd4d96011758d0.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:3964
- 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:4716
- - 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=A39D4587B71BCCF181490B5F24CCFBA4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3108
- - 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=995B6ABF74DC18F49BC8924534CD6873 --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=995B6ABF74DC18F49BC8924534CD6873 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1428
- - 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=B07D4637472F8D978B4F60475E4A8479 --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=B07D4637472F8D978B4F60475E4A8479 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3788
- - 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=C3370D30F82FFC6D088698E43DC6A4B2 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5060
- - 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=C4A5F72943A887436EA990C70BAB06DE --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5212
- - 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=3CBFD4A61F52DDDD2AC5981C8BFF0D47 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5312
- 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:3756

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4736

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=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:5972

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
9f70a7fdd06fe4e074f2ad7883af6148

SHA1
a2dcdca215ae28c554235431e0099fdf4a9f1ce1

SHA256
220deb2bb97e56eb51f4d540ce3b713bcfcfd83e692f025efb9828d09c0d5e93

SHA512
7ee812da81b44b497c4f11cb17832041845e42becadbb559b066337dc74e2f86ab4c88cfc038b0073a6441334bbc3fb7577b7a8c364c72d9a4e5845f6122559d

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