e2a46cd60e9117eeed1282225d8c0afaf9074a47b255cc55495b1bfddabcab0c

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 16:54

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General

Target

7ac66fc06d40f3f4ed6d9bfe1c31b141.pdf
Size

34KB
MD5

7ac66fc06d40f3f4ed6d9bfe1c31b141
SHA1

ab1f437e0b82698f19108859513b458f98259301
SHA256

e2a46cd60e9117eeed1282225d8c0afaf9074a47b255cc55495b1bfddabcab0c
SHA512

89d28167c25d0d2538005a3b69015c07df856e6039158efb0d2304962cc50fe1209c92d679de989f53484edfcee4588e6faa49821d31d5bf3f09bdb8d642d99f
SSDEEP

768:5J8rqBvIjsUmD+1288Ukj8bGCk+6d3Tc760BykpCGO:32mYmG28PkiGZd3P4PCGO

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
660	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe
660	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 660 wrote to memory of 1580	660	AcroRd32.exe	91
PID 660 wrote to memory of 1580	660	AcroRd32.exe	91
PID 660 wrote to memory of 1580	660	AcroRd32.exe	91
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4868	1580	RdrCEF.exe	92
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93
PID 1580 wrote to memory of 4124	1580	RdrCEF.exe	93

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\7ac66fc06d40f3f4ed6d9bfe1c31b141.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:660
- 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:1580
- - 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=CB76C4E77C8DCFE1C70A72D80CA39381 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4868
- - 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=D011FE6DE0CB17A96DCE743777A2A641 --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=D011FE6DE0CB17A96DCE743777A2A641 --renderer-client-id=2 --mojo-platform-channel-handle=1704 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4124
- - 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=E74A29430E88EC7E5360BBCAC6C4ABA7 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484
- - 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=8AC0A05C35CAD59F616AF7EB7D66DB7A --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=8AC0A05C35CAD59F616AF7EB7D66DB7A --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4292
- - 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=93AE99CC73A553CBBB82D38A731946E9 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2684
- - 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=D52943EF88D2FA592FDB721FBDF6A416 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4568

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
d38bef7b05093de3a52cf68070325d79

SHA1
1e901774915a8b7d14b2d59e5104c5038d5647d2

SHA256
8f95a051ed038285d46b357315723339f7902296f2b2b49441d9d85564068a61

SHA512
f4a2b927bca521153946a485733588dfea7090dae12dd53c62b0da2b20c0f10d6548198c0021cea4ff59b889c898795c2de87605c787217014eb50c692fa2695

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