081fbbbce19f2966ab6f76cad970431c89bb19a92a7f8adc380bfe58e15b6015

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 11:18

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General

Target

5b1b0ea96d4f82718c08dc8755306680.pdf
Size

81KB
MD5

5b1b0ea96d4f82718c08dc8755306680
SHA1

28252435da551707d5b658155bb114a57ff3d6e2
SHA256

081fbbbce19f2966ab6f76cad970431c89bb19a92a7f8adc380bfe58e15b6015
SHA512

c210c946d3a1695d7ac16938cc0877e6d04b88100db707e7150a0a6b6639cd96e21bb2f2612b20876642bc27581b5aec89cf610293e01f2feeef3092075024ed
SSDEEP

1536:ysOL9hFg4kv5Av9SxtyYiZ3X+kzFhcJMJQTOjZ76a70KauSWKXLTokVbzjqW8pOY:E3Yav9S+YiJX7FsgQTOjcyT5Q7TokVb2

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2124	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe
2124	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 4356	2124	AcroRd32.exe	93
PID 2124 wrote to memory of 4356	2124	AcroRd32.exe	93
PID 2124 wrote to memory of 4356	2124	AcroRd32.exe	93
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 2680	4356	RdrCEF.exe	94
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95
PID 4356 wrote to memory of 4064	4356	RdrCEF.exe	95

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\5b1b0ea96d4f82718c08dc8755306680.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:2124
- 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:4356
- - 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=10593646359966BB05F3ECEAC09E71F8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2680
- - 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=72FFB0D18694E68049807B81BF6E3E0F --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=72FFB0D18694E68049807B81BF6E3E0F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4064
- - 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=1FEE619594F0B393DC9BA61B22CED282 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2444
- - 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=960A363AA7565898235C4C9ED5747BEA --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2144
- - 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=6A61C6BC263321FBF7011766C4DD2BE5 --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=6A61C6BC263321FBF7011766C4DD2BE5 --renderer-client-id=6 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3952
- - 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=759DBB54BC7998335022771FAACB53E6 --mojo-platform-channel-handle=2800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4700

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4160

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
1bbb1d442d383039ba0cd84bb73b86e8

SHA1
9f8efeb17b933439b53982795c5437f241712b0c

SHA256
4ef9aad8240bafa1f4c43019ab1c728d5002ca5b76db70b552203e533237f0b8

SHA512
b2120379f6c49dbbfa556ac5a28fab96bcbf820f61f34a54e33a5f12a74a8e033f1fe9680365c342cd9b5287be0fa498cf91eb5ae325e3580cf28e2a41a23e68

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
memory/2124-26-0x000000000AF40000-0x000000000AF90000-memory.dmp

Filesize
320KB

Download
memory/2124-27-0x000000000AF40000-0x000000000AF61000-memory.dmp

Filesize
132KB

Download