2930eab88e8462444a623601e72e4b6254e64fa839a72171f36ce4a31ba35a2a

Analysis

max time kernel
147s
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
10/03/2024, 23:20

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General

Target

bf38986bc2a92725c87288abbe441d9a.pdf
Size

69KB
MD5

bf38986bc2a92725c87288abbe441d9a
SHA1

3a07409a91f47c1a979912034e45292c7620927d
SHA256

2930eab88e8462444a623601e72e4b6254e64fa839a72171f36ce4a31ba35a2a
SHA512

4288ebf682c10ec2e1adfc4596a37585ac5c7d774d60e1a0944823914983d9e0287d8cc39a52ff6ef0f26ca5487ef09e8ef21aacdaffa38f5eabbae1184b942d
SSDEEP

1536:8R0V1+188WdEWOoX7ZomHilFM6dl95f53iI12BhvRdEo:P628W3Oi1HilFMYf5SJHRF

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 5052	4960	AcroRd32.exe	96
PID 4960 wrote to memory of 5052	4960	AcroRd32.exe	96
PID 4960 wrote to memory of 5052	4960	AcroRd32.exe	96
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 2768	5052	RdrCEF.exe	97
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	RdrCEF.exe	98
PID 5052 wrote to memory of 3064	5052	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\bf38986bc2a92725c87288abbe441d9a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4960
- 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:5052
- - 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=7960FCA7EE1D28CBE6BCD83B7C8AC2F6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2768
- - 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=2EE442B871320FB50A146717FE081804 --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=2EE442B871320FB50A146717FE081804 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3064
- - 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=036409A1C572840F2ADC8C301C3C538D --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2400
- - 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=6599B02CFA9D123357E31EC9512F9DBD --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=6599B02CFA9D123357E31EC9512F9DBD --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5084
- - 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=DE9BE6162CD7DF8AAD9C6939FB7FC9FC --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4996
- - 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=E93D275D8B25D51455F02527AB45485A --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4212

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2548

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
b4a08471b7be6bad76fc59c7bf06d7e1

SHA1
b802693f18405c160156ca7f8aaab8d2e12009f0

SHA256
d27bbd8e0966002431e229295ea06a2b259b03ec91865f23fc4a1566ab121c5b

SHA512
bd2c404aacee49c37fcaa6da81931be78f6e1b3a658db932af1ecb40433d2dcad798df3e4584eae9f5d4452f2a7156668a5fd600fb51b668442e353cbef85d2a

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
a1b738a2d24a865aaa4840ec034ebcb2

SHA1
507352fbfdd07f487d02bd67afbad088f4b690d9

SHA256
8f5f4bb97d3dd1707074f7bfe6c7c7344e59de60f8d37076372ddf84b808b9c0

SHA512
a6e325b2a30e6c9b1130e4aadcb05fc24921d6fced626dde34b7f010e023dab614c7181655e88b39242f4007abb776ada6c811d3e5e23681a3daffafeb2ad11c

Download Submit