e5b559817e7673c5a235df6d7ced908719176a01788bf0870b8d636137c41eb0

Analysis

max time kernel
142s
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
25/12/2023, 14:54

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General

Target

273d7c5466a5d9e052ec87210937fb00.pdf
Size

91KB
MD5

273d7c5466a5d9e052ec87210937fb00
SHA1

27d751e767cfe78f6059614e1773b533226a4334
SHA256

e5b559817e7673c5a235df6d7ced908719176a01788bf0870b8d636137c41eb0
SHA512

de6eb1a449196d2f10855109ff8ce88e155ec6cd0db5f57625fd04a52fef5f9df5224b5c7d5e18a89192d6569c2770232604b5746be5abb38dd3e0d1f54e0cd0
SSDEEP

1536:uw/ciZHnwZIgznUHUvde0WvoNv/v1jX7EjQegnUArWHpOvTWcCjLHmfMQUu4FOiS:OUwZlE0WQNvljX0gUwv+j7mt40au

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2212	1944	AcroRd32.exe	96
PID 1944 wrote to memory of 2212	1944	AcroRd32.exe	96
PID 1944 wrote to memory of 2212	1944	AcroRd32.exe	96
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 728	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98
PID 2212 wrote to memory of 4464	2212	RdrCEF.exe	98

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\273d7c5466a5d9e052ec87210937fb00.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:1944
- 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:2212
- - 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=9A79DDC9494316F7E3ABCDF138E1214C --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:728
- - 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=DCA04C2F855D12A1709BA223C0886C36 --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=DCA04C2F855D12A1709BA223C0886C36 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4464
- - 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=B69E10FF4FC8778EB015D80E2669ED68 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=E54C63C4F75495AF48A873F4A0E63184 --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=E54C63C4F75495AF48A873F4A0E63184 --renderer-client-id=5 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2208
- - 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=91A01EC05EE67D7ABE0056C9590F4368 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1752
- - 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=1640251B8D897D4FD58A616601923048 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1680

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
d64b4d47a5e7378dd6bb25fd84fbfe91

SHA1
efcd124882f40d6324dad3650e958c4cabc94be8

SHA256
61b950b1b9876da9b2efa32ebf8e4e5b8c9fcdfc69bbe733d971c7f1e9bd0c2c

SHA512
4f7b2b334d9669a7cf27ca45572231cc9d6f8d6b0f2131d5d77524dbdfffc69d4f41bd021a3a41023a627d3343707b52643c2578703ed0c83aac4b2e3f580b6b

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