8914ec3e7af3813835b843cde5b1895cbb89a05459fcc36d4e6a63d0771b83b0

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 18:57

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General

Target

72cb33ba07d861914b47555fb8542beb.pdf
Size

37KB
MD5

72cb33ba07d861914b47555fb8542beb
SHA1

02d6ff66517483c0c1a8871a338b027a3b4eb73e
SHA256

8914ec3e7af3813835b843cde5b1895cbb89a05459fcc36d4e6a63d0771b83b0
SHA512

2b1984536c98321bd2af297fe9a551613ab2461077c8fd0a91d0842c2431ff4a597931bbc0b33d12f47f8ad10bbf49fa13454bad860674bad9b7f163145d3582
SSDEEP

768:8kBB4hYa1pM/hUu2MX3/D17ReOQ4Tzj3YD:9BB2zeD2MXr19ekfjID

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4580	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe
4580	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 2476	4580	AcroRd32.exe	90
PID 4580 wrote to memory of 2476	4580	AcroRd32.exe	90
PID 4580 wrote to memory of 2476	4580	AcroRd32.exe	90
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 3444	2476	RdrCEF.exe	93
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	RdrCEF.exe	92
PID 2476 wrote to memory of 4224	2476	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\72cb33ba07d861914b47555fb8542beb.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:4580
- 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:2476
- - 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=0A690E8BAF0B47A3084BA5E96ABB4F50 --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=0A690E8BAF0B47A3084BA5E96ABB4F50 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4224
- - 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=A10016096A2A605DB5BCEF009DFB20CF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444
- - 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=513332E7BABF3E305D26C15E8DD8C7D2 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3164
- - 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=207F98A841F5CAD6B5667BE1754C5B47 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4616
- - 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=585D6BC70026E8A8DD64E383730FA435 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3224
- - 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=1250568559A856FD9437D906E9BC3519 --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=1250568559A856FD9437D906E9BC3519 --renderer-client-id=8 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2100

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3636

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
071f4ddc9d04eee5135548666f9be066

SHA1
7ceb2179482ff68b127fcfcee19941c8b50b148b

SHA256
f551f1d7fbee66352fa4eec702a0f4b979e795edbd5ab135cfd6352d8ee6e3af

SHA512
1779a9fc5579644cedcb118f765f9cbd9b3b3c7e0e4e611366350e6cca759da72bf939a65c7733d627b8f82ee75f59239d34bc01ec5f09a9c028ba4200fbd534

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/4580-26-0x000000000A600000-0x000000000A650000-memory.dmp

Filesize
320KB

Download