b06840d0e2d3ae8cd8e8deaaaaa9fbd7eb93685ed540303bab22fe14080590b8

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 08:51

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General

Target

b44bf39238e5118546e3c34440380267.pdf
Size

85KB
MD5

b44bf39238e5118546e3c34440380267
SHA1

3e286198448fb91b4f09aeef0132f08db5882eb9
SHA256

b06840d0e2d3ae8cd8e8deaaaaa9fbd7eb93685ed540303bab22fe14080590b8
SHA512

9099737ebcd70935100629b65a936b11c06ba95ab2461c96761f39b91f3720544cc3edc85d7466018c51cf7ee58a379051856267d8e09b54cbcf36aa7d302624
SSDEEP

1536:a1eyQ0YcE1z+kQuNcM84DG3vYxhG5nwWl32B7cHiXmWOpOwrHKYJydQd:oBQRyvuyM8h3vVBHkbwrqbE

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
860	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe
860	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 3236	860	AcroRd32.exe	93
PID 860 wrote to memory of 3236	860	AcroRd32.exe	93
PID 860 wrote to memory of 3236	860	AcroRd32.exe	93
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 3968	3236	RdrCEF.exe	96
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97
PID 3236 wrote to memory of 4232	3236	RdrCEF.exe	97

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\b44bf39238e5118546e3c34440380267.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:860
- 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:3236
- - 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=2EF48F4B241DD07601E638179DF02B79 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3968
- - 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=529803BFC6C1193F350061D38EC152C0 --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=529803BFC6C1193F350061D38EC152C0 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4232
- - 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=A85A2C486224A657349E2227841BAF4A --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=A85A2C486224A657349E2227841BAF4A --renderer-client-id=4 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3200
- - 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=BBEEED40D16817E5437800F1D15C57DA --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1984
- - 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=E6007C36DCF61F8AC85D440D99DC5B5A --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1080
- - 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=A5AA3A5452D0066E2A9B99E9C5BA7057 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:380

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
2f93fdbfb320070718122a4de3197907

SHA1
51637bbed95f814d7582d88e62966761809b3805

SHA256
73d2a3788aba4727b7a1def449eabab9eb1817f5d9c47a0df120be0dd21f0685

SHA512
75fc7be36947a66065df9aac31d18aa8b35e4632ee427c2dd701340e8ae8ebaea596a60287ac99a7ff3189a9a2f6c2c3b3e999814d0e2bd6b6970aec920bafce

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/860-141-0x000000000B320000-0x000000000B341000-memory.dmp

Filesize
132KB

Download
memory/860-127-0x000000000B320000-0x000000000B341000-memory.dmp

Filesize
132KB

Download
memory/860-134-0x000000000B320000-0x000000000B341000-memory.dmp

Filesize
132KB

Download
memory/860-27-0x000000000B320000-0x000000000B341000-memory.dmp

Filesize
132KB

Download
memory/860-149-0x000000000B320000-0x000000000B341000-memory.dmp

Filesize
132KB

Download
memory/860-157-0x000000000B320000-0x000000000B341000-memory.dmp

Filesize
132KB

Download
memory/860-181-0x000000000B320000-0x000000000B341000-memory.dmp

Filesize
132KB

Download
memory/860-197-0x000000000B320000-0x000000000B341000-memory.dmp

Filesize
132KB

Download
memory/860-213-0x000000000B320000-0x000000000B341000-memory.dmp

Filesize
132KB

Download
memory/860-221-0x000000000B320000-0x000000000B341000-memory.dmp

Filesize
132KB

Download