1bf0df558eecf8f8ed4bc6e4a83f60560aad98e3e58f52745c9462bc3a517b21

Analysis

max time kernel
148s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 01:59

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General

Target

4d0a9ed82b2eda850e4cb8ee288e7851.pdf
Size

40KB
MD5

4d0a9ed82b2eda850e4cb8ee288e7851
SHA1

e5bcb4d727c38c65643c3c3fe82b27c4eebc800c
SHA256

1bf0df558eecf8f8ed4bc6e4a83f60560aad98e3e58f52745c9462bc3a517b21
SHA512

0fc5feadf3530984a8935c3762273b49889ecef127d8577623562e894382a31daedc1d148526a40763f4d60cdf100b1baf4c30832ef8d5f03c01704901ca8995
SSDEEP

768:QGIE1QpdhOkXWL2Z9M+XA06Hl8AXet7ZGj/tJeGnnrwLhsk:L1+GL2r7O8qA0j/7emnrwsk

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 2088	432	AcroRd32.exe	92
PID 432 wrote to memory of 2088	432	AcroRd32.exe	92
PID 432 wrote to memory of 2088	432	AcroRd32.exe	92
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 5100	2088	RdrCEF.exe	93
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94
PID 2088 wrote to memory of 2628	2088	RdrCEF.exe	94

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\4d0a9ed82b2eda850e4cb8ee288e7851.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:432
- 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:2088
- - 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=9EC9ADE373E4D7653FAE4F0C7EE54529 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=66D3836A23D4980C54D30CBC35F2054F --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=66D3836A23D4980C54D30CBC35F2054F --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2628
- - 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=AABA661625245B3D056DF742804B0850 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3320
- - 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=C7E87B3FC3D44263F29934E4087CF110 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3300
- - 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=1C27BC984F86AAE3474B32401A624259 --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=1C27BC984F86AAE3474B32401A624259 --renderer-client-id=6 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2812
- - 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=D94A57F9274B83BBA99DE01B44304449 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1000

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
3656e8b4483ce2b1801837695ccc54a0

SHA1
3765bb5f9124018c2085f2628ec57f8f713aee2b

SHA256
898f01a2389a0f82a83a4848381f1bc89266c883188e6ea43906f0ffb3d70b5e

SHA512
acf013030811317cb7197ba18cb0c6b8c48eb4bee4931a72740fcee72a5c6669f6747a9e8ebf3fea8ff5f094e4b4c763b3115dd96a5d4513b7a96138656f4364

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
52KB

MD5
6b1e64164ef283ccd768c8e46625da3f

SHA1
0e00bd90620e4839d5309a7aab520f784435791b

SHA256
a4440744e5965bbda0b5410a6631ce62aa9f663e4a1c6a1f584a712d4b5c4f88

SHA512
2f8e67989260c4b17908bad2b9717abb2bc0214fca74dbf99e09ccdf4af3595b529f17d6f5d6168f25099384ee54ea936e4626fb81c84a4802f094602774b4e4

Download Submit