e9c0cedba2de197b72dd4a9b1fc8820ff55ef29d89a65544bc3c901581c0a18d

Analysis

max time kernel
143s
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
26/01/2024, 16:37

Sharing

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General

Target

77da5e913586152c5772f420458f1b07.pdf
Size

34KB
MD5

77da5e913586152c5772f420458f1b07
SHA1

09c83593570e280fd177393ed8bba1ca3af4b089
SHA256

e9c0cedba2de197b72dd4a9b1fc8820ff55ef29d89a65544bc3c901581c0a18d
SHA512

13f5ca8983b6418fc33d2a28b0f11389f5817de75c83062248eb91cf2af044af8d819a09f8ecb9aeb20755e972463df5a0704604591b99d338eafdafa356bc6a
SSDEEP

768:lo8Opi0hsH+pWFtRQ8oPZvSi6XgKGKyqc4rHLE8BvrNT5:lfOg0VpWF2ZlUTc4PrBzNT5

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
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
8	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 4976	8	AcroRd32.exe	91
PID 8 wrote to memory of 4976	8	AcroRd32.exe	91
PID 8 wrote to memory of 4976	8	AcroRd32.exe	91
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 2240	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 3604	4976	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\77da5e913586152c5772f420458f1b07.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:8
- 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:4976
- - 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=CF01548F6D4BA0A30EDFA9AA25A8B728 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2240
- - 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=FD92BCF9A1C7A7AAF64F988BCE8A2047 --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=FD92BCF9A1C7A7AAF64F988BCE8A2047 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3604
- - 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=46DE2CC5AC70FABDFB89D4B02E472057 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3676
- - 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=6572F7DC09BB15D7B412FE9908286828 --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=6572F7DC09BB15D7B412FE9908286828 --renderer-client-id=5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2704
- - 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=2BAD6582D234A1ABDB93D27161762D9D --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=7F6D8EA412D6D184B6F8E9471BBCE419 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1132

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3332

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
56ac06d3c096a55542ea2e9ed44f9321

SHA1
9f89435fd38c9e744c03f2df0f5d16bd3d4d3386

SHA256
1da8d28894131ac932ca86f15ec2a1540514b80eac9a05524f2d5baf936010d3

SHA512
7d2dd74dfd324277b295ca5a0bd39de018fe573c1e50de00436f0feead1e812b9dfccb433c7daf2e5ed5bd145ff3ae669ffc7b715321b23545d13d97d9aa14d7

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/8-27-0x0000000009C60000-0x0000000009C81000-memory.dmp

Filesize
132KB

Download