27ceda91403e7ae11d50b0870399fa5452b94e9b4d11c1441dcb2bcf6a0f77f8

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 14:40

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General

Target

01c4aeb9310a39a4f6ee3ffaa721a29c.pdf
Size

13KB
MD5

01c4aeb9310a39a4f6ee3ffaa721a29c
SHA1

5aeb16e53ae5a03ae1753dc182ee90eae8601f32
SHA256

27ceda91403e7ae11d50b0870399fa5452b94e9b4d11c1441dcb2bcf6a0f77f8
SHA512

a35239ddcf5b872b0519e33dc2ad920fcda64568f92f756fdf5fcf42b6ea8e05240832c7d1b743f5e332299d2f3ad2d57d66699f14dd4609e2ac130636bd9e58
SSDEEP

192:5QhzajYqwAO9G+/vCmnmNTy1yJZJ0Zhrx7Rv5VCXlvQNi/60un/TwWzz3:OhzaNwAO9GiCHZLJ0ZhrriQi/60G7wuj

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
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 4064	4536	AcroRd32.exe	93
PID 4536 wrote to memory of 4064	4536	AcroRd32.exe	93
PID 4536 wrote to memory of 4064	4536	AcroRd32.exe	93
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1764	4064	RdrCEF.exe	95
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	RdrCEF.exe	94
PID 4064 wrote to memory of 1292	4064	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\01c4aeb9310a39a4f6ee3ffaa721a29c.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:4536
- 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: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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1007EE27B0DF12465DCE07BCF91027C7 --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=1007EE27B0DF12465DCE07BCF91027C7 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1292
- - 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=5183290C2C385327ACBCFFB7F52A43CC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1764
- - 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=314631405E4D580E4105B0F297D0A38A --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1636
- - 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=02E68DCA24D31170D7F8B71EA6C79B41 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2184
- - 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=5A11B4419E2478A5E9F6619AAC4D074C --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2312
- - 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=847B4F3670974109051D532128BD6B5F --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=847B4F3670974109051D532128BD6B5F --renderer-client-id=7 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2328

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5108

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:2312

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
98b240303eb7b09f08bfec6dbc24950c

SHA1
ef8cf38dd763a2d18063fad56dfe8d61d9bc2b90

SHA256
f0f4bc8a854b72ecd36b2b4de62f1f7ba688e7287d8584fa503b45734c060620

SHA512
d4ad9dfffd6a98e92f37807e0d86aaf8649f0655a426afc9e9be557701e9b2ee2d51904a445556715324f66e4387db0410c7e167f15e53f9a24f36689429cf25

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

Filesize
32KB

MD5
1b68d9698e9883ba5747dfeb86d89d91

SHA1
2708fe6efb48c47f303d3b6e2941c465570cf170

SHA256
f4e96d55a23a370e77c77426c20478992b461d2f62b50bbb4c927a2a3a821a3a

SHA512
fb7734562d63fab8114a221ad01f37a5db813a4fc9f6a75eb48b3e97ebd26300912ef94638eecf03f0de35d2ab69889a5454c69037261d0a1b32bf87e5b58a03

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit