ad77fd8eb7ad73b5a7ee50aafd36db18da96de5809f4020f4132a1344820c9a9

Analysis

max time kernel
142s
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
27/02/2024, 20:28

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General

Target

aa156ec860b9ddb31586de8cf370dee9.pdf
Size

86KB
MD5

aa156ec860b9ddb31586de8cf370dee9
SHA1

b7d4fe8ce330b53e83e28ae44525b9d4305e3e9b
SHA256

ad77fd8eb7ad73b5a7ee50aafd36db18da96de5809f4020f4132a1344820c9a9
SHA512

1a0a96d5ac3a219a2fde5eebadd293c3d82f74789fa379787c19082a51c06407d22dbee4c4b7fe838385a7ce0f7e7177494f23f9ce9be07f2f340208f4bfe5ec
SSDEEP

1536:Voc4KSuXwOo/XUdI73q7RdSWV81Nt19yG5WkNpOPaW0/49Ymc7V3ndIG7t:R4KTw9/UB7bjm19yGiPJVcJdL

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
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 4296	3136	AcroRd32.exe	96
PID 3136 wrote to memory of 4296	3136	AcroRd32.exe	96
PID 3136 wrote to memory of 4296	3136	AcroRd32.exe	96
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 4088	4296	RdrCEF.exe	97
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98
PID 4296 wrote to memory of 3020	4296	RdrCEF.exe	98

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\aa156ec860b9ddb31586de8cf370dee9.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:3136
- 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:4296
- - 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=67C697038658221578150D7925CF896C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4088
- - 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=58A1FBA6D47F8DFA54004BCF77981B7B --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=58A1FBA6D47F8DFA54004BCF77981B7B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3020
- - 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=7152AEBC36112DE212948E84B6E1BD64 --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=7152AEBC36112DE212948E84B6E1BD64 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2776
- - 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=6A1D1594636882AAB7C8330D01914B5E --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4952
- - 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=BB8310BB2F2B04CC119071788F790040 --mojo-platform-channel-handle=2024 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4220
- - 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=AFB5685D18DAB5731221DDA2ACB305C7 --mojo-platform-channel-handle=2636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784
- 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:3400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4812

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=3948 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:4616

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
19462bef471aeba4a69eb1b9e6511f5f

SHA1
24afad0faed6edd4d7d6bfdfa968ce4677d3cf5d

SHA256
5ffa6275e888e2d75e20a28675ce8b7a7debc13dc84458969937ce178f5e8b71

SHA512
732373f9b6a2930edb368b1ab2def68d4f652d719cbe53f1ec4fc535243460d52e8713764ec33e21348992dbcd119527d38c2dbbdda114da3128bf49634271db

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