026925084557c8788782b1c509cfdc536020f43c8e57fd108e2ab6a1c62f3fb0

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 22:10

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General

Target
0541e088ccc54b82579756a824251b8f.pdf
Size 35KB
Sample231229-13lrwsbddr
SHA256 026925084557c8788782b1c509cfdc536020f43c8e57fd108e2ab6a1c62f3fb0
MD5 0541e088ccc54b82579756a824251b8f
SHA1 6f82385e3800fc83265ab166965ca7d290402316
SHA512 c93c4e1cf37ac1887405d77b83087c5257d3f5286110068fece55cf54fcd02e45d40fc43d6f59fcf62023b6c9841c576fb7cc6baf7c3f0ff785a1bc57d309e6c
SSDEEP 768:Sx2CdZBPg/TsD2fv+VXQdUaU9jUVT748kGDFVxmp:SYCdPIfv++UTSXkGDRmp
MD5 SHA1 SHA512 SSDEEP

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
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1012	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe
1012	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1012 wrote to memory of 2592	1012	AcroRd32.exe	91
PID 1012 wrote to memory of 2592	1012	AcroRd32.exe	91
PID 1012 wrote to memory of 2592	1012	AcroRd32.exe	91
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 720	2592	RdrCEF.exe	93
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92
PID 2592 wrote to memory of 1068	2592	RdrCEF.exe	92

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\0541e088ccc54b82579756a824251b8f.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:1012
- 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:2592
- - 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=39E6AA9FF54C8E1DCEAAEB5EE08C11A2 --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=39E6AA9FF54C8E1DCEAAEB5EE08C11A2 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1068
- - 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=77F9762EB2910589DFEED43326219A85 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:720
- - 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=343D2731865E016F0842EF06313CD8E0 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2956
- - 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=C459CBB059441D565F3218A54BE6C847 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2432
- - 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=B8FC6C0B5298E41A02A4547518585D73 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3636
- - 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=E7E734869E033974460BCBFBFF81B3B8 --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=E7E734869E033974460BCBFBFF81B3B8 --renderer-client-id=8 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4832

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3708

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 2356d361e315f54e2c18edf5413638b4f402d51c6aa0fcfe753135ae2338e04c
MD5 b22db43bc57ef33ae404fec90ab7cd28
SHA1 ed81ddf886631e639f78f16df005f8e00ec0d7d4
SHA512 71cac47e7d0b74015b946fe67b52611962d13eb4d18394f0e33f67be1e71b5c23e7ebed7b84cbd2e4c193eb499dbb5cf3b92ee19f8d4871f6773904e03c63681
SSDEEP 384:yeVdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:E+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
MD5 c26ed30e7d5ab440480838636efc41db
SHA1 c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA512 96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
SSDEEP 192:xedRBsKhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:xe+KhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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