a000a887ac2f2d51b0887cdf6899d1c06c4ef6267f9c81bf0c978a6727ac2176

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2024 07:38

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General

Target

79a7f5178da9f4a7c78cd77e7acdc42a.pdf
Size

89KB
MD5

79a7f5178da9f4a7c78cd77e7acdc42a
SHA1

b18c7d086eafa9375681f6699b8a92c4aa0d8587
SHA256

a000a887ac2f2d51b0887cdf6899d1c06c4ef6267f9c81bf0c978a6727ac2176
SHA512

bf61f11ced96af2e8af2dda56e16dfa8f87191892232c577ffbe24739cc2f0a1e139f72359a137d8bd4b9161ba12754f7c3e608c47d9f956b1bfc2a2d15b6d39
SSDEEP

1536:5sUe0CuxBx+nZ0na2k6+2zlGM55Y7meM2040ysWwgudG0qseMjW8pO7i5pn:Ve0C0B0ea2k6+2zgM55KbNdiWMO7E

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3392	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe
3392	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3392 wrote to memory of 1992	3392	AcroRd32.exe	89
PID 3392 wrote to memory of 1992	3392	AcroRd32.exe	89
PID 3392 wrote to memory of 1992	3392	AcroRd32.exe	89
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 3032	1992	RdrCEF.exe	92
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	RdrCEF.exe	93
PID 1992 wrote to memory of 1564	1992	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\79a7f5178da9f4a7c78cd77e7acdc42a.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:3392
- 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:1992
- - 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=B59BD043BD3A4C1CCA81AC99056DD27E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=7B81203B063D745F593FECE3AC4E537B --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=7B81203B063D745F593FECE3AC4E537B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1564
- - 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=C1D05FC95B911D8DCD09607F9C340151 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4336
- - 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=24CAF92E6C8EE44A924CB7E2E75A0E0A --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1560
- - 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=50A38B1E87DF14A501A0C86EFE3CABEE --mojo-platform-channel-handle=2204 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2980
- - 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=FB4281B6E944BB9EC1FC282DE18FA9BC --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=FB4281B6E944BB9EC1FC282DE18FA9BC --renderer-client-id=7 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4092

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:912

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
59f35a883d76dfad9b5a214d9c6b1f53

SHA1
955af29b041b315f2a6849141cbc5c1695f8a874

SHA256
9e048cc2f9fee4b1c3b54466088ced0e04f91550b7a1d7148bf9ced2efd5a994

SHA512
331be9546729308a7a56e372e9d671766cbeaa3f450fe1b8ba399b293476f34f62fdef2657eb147bc16aeb9cab512a8abdff371ac2916fd5f19d6481e018f23e

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