1199fcb6d4a5f11c3080ef044f04148ecf7805908fd963714cfa7ee4c342a245

Analysis

max time kernel
143s
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
11/03/2024, 13:29

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General

Target

c0b556f153cf4fe2bac5a72ccc4fe673.pdf
Size

33KB
MD5

c0b556f153cf4fe2bac5a72ccc4fe673
SHA1

d49ff7692d1f0cb465dc8b60f289ca2ed6363fab
SHA256

1199fcb6d4a5f11c3080ef044f04148ecf7805908fd963714cfa7ee4c342a245
SHA512

f4b2c6d3a96193bf1999b3c1ac1ad20d455ce442e16a60619db1c1b280a88699064ef6727920dfab5e8c7237dde0f4c071fff9a8527c8c93ca098c678019b1e2
SSDEEP

768:yFvxmgCeonIEGSNLCuBAttTKwPLMQmaxHUPqzFeynLw4zdDytx:yFvxSISCTttBzMQXJzLLw4BDytx

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
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4332	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 2240	4332	AcroRd32.exe	95
PID 4332 wrote to memory of 2240	4332	AcroRd32.exe	95
PID 4332 wrote to memory of 2240	4332	AcroRd32.exe	95
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 2440	2240	RdrCEF.exe	96
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	RdrCEF.exe	97
PID 2240 wrote to memory of 3620	2240	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\c0b556f153cf4fe2bac5a72ccc4fe673.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:4332
- 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:2240
- - 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=0F50363264FD75C0486043D48FA2CA9B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2440
- - 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=538B5B35ACEB06EF88AC7D535F60ED80 --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=538B5B35ACEB06EF88AC7D535F60ED80 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3620
- - 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=1A0A51836C1BF1A01FC99D3190284373 --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=1A0A51836C1BF1A01FC99D3190284373 --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1536
- - 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=B0A299162405719A2F492BE61C3F69DA --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4312
- - 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=5A321C7D8F6BB8836C3AE6AE9906171E --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5104
- - 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=11D2F864DD935341788C888221A26596 --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3136

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3308

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
10bbe3fd37a848b5428d4ccc2709dde2

SHA1
c7ab5facab0274395c45d40d463baa4c84fc3a67

SHA256
594fcfb809b7df0c3133ce0199e66d00dd41f277d112354f4258423339cd2a0d

SHA512
5cd879fc9d4b4302ec0fad4052340c2fc9616db68c8ccbfda7288668ee6885d228f85f6eb2b375bf088b9d71ebbdc0238e4f3d065a2aadc25b79d407264266a8

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/4332-27-0x000000000A7E0000-0x000000000A801000-memory.dmp

Filesize
132KB

Download