792b0166c570fdaf6cf36b010f6f3eab654c01eec2cc3530deecc676aa18d87d

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 07:38

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General

Target

670daf42fcc7f77d30d0bf94ba0f21c7.pdf
Size

75KB
MD5

670daf42fcc7f77d30d0bf94ba0f21c7
SHA1

793f3d72ad82662fa21bf7172b063bc62796c98d
SHA256

792b0166c570fdaf6cf36b010f6f3eab654c01eec2cc3530deecc676aa18d87d
SHA512

d99a7f893be97741bb543dbb10a17bc352700c76358fed40dbe76fd9f83d877fecd5e21f29fe89f442bafebeeaeb4ea2dcfdd6b5a7a324fca86b9c1c7f406985
SSDEEP

1536:IBiZuVqRj790/h/O2aAgOeoMOtOejD6WGpOKCWgCRjn3faN9w45FTTh:F4VqhgVx03oMOA8DjKnVnvaN9wGx

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 3792	2592	AcroRd32.exe	96
PID 2592 wrote to memory of 3792	2592	AcroRd32.exe	96
PID 2592 wrote to memory of 3792	2592	AcroRd32.exe	96
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3552	3792	RdrCEF.exe	98
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97
PID 3792 wrote to memory of 3288	3792	RdrCEF.exe	97

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\670daf42fcc7f77d30d0bf94ba0f21c7.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:2592
- 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:3792
- - 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=D37EFECE860A60DB46DBA89C037A79ED --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=D37EFECE860A60DB46DBA89C037A79ED --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3288
- - 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=44F8543F5EDD577C82E1C7C116097E49 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3552
- - 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=2DAA5FB0FBA9A2BEE9391FFE32C39366 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - 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=6D732F0627CDEC7D2C2C6AE2C5F0093F --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3608
- - 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=E849C956DE0E7B7C1F53D7CFE5537066 --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=E849C956DE0E7B7C1F53D7CFE5537066 --renderer-client-id=6 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4276
- - 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=57CF775EA74311662D9EAD2DD46876AD --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1588

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1028

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
11f802af6be429d948fab150c59d5dbf

SHA1
abc9301d0405b1268df4fb328acda6b86ab3ed9d

SHA256
f513ae79276ee32451f2327edb4a1f96b369f8219840dcee149d6e6dffd8894b

SHA512
fdfe5d0ed58de9c21ea2e2552cf98e55064806f388e173ad1af044b8c4db7e5b67497486f9a2604b38c17d1e547078108857d73c96eaa3cd128600018a5b8b98

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/2592-26-0x000000000B3A0000-0x000000000B3F0000-memory.dmp

Filesize
320KB

Download