54faf31bf23c2f136c94cc984b0acc58228ec9b4345db38e70dd4ee38a36ced8

Analysis

max time kernel
141s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:42

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General

Target

0b12b6faf66b7e665d9632625eed64bb.pdf
Size

87KB
MD5

0b12b6faf66b7e665d9632625eed64bb
SHA1

77fe7a8f352692b7ed6acde8bcc25a327776c218
SHA256

54faf31bf23c2f136c94cc984b0acc58228ec9b4345db38e70dd4ee38a36ced8
SHA512

3237703bddf99f9320d4ba1f31686f9a18f52ea3b655906a8f77898b5d306d62061272287d66953e31ebc685ce8da668cb3135f0f83025cf5b1ba40d893c0afe
SSDEEP

1536:vL+m0nzvgRJbk6XmmJEJ4r7ehBZVMHDOczDOz6PNWxnfDb4uaAwWQpOCNrF7p:j+5zoRBk4mmJA4HQa0fJaAfCNrz

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2288	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 1532	2288	AcroRd32.exe	92
PID 2288 wrote to memory of 1532	2288	AcroRd32.exe	92
PID 2288 wrote to memory of 1532	2288	AcroRd32.exe	92
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1004	1532	RdrCEF.exe	93
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94
PID 1532 wrote to memory of 1068	1532	RdrCEF.exe	94

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\0b12b6faf66b7e665d9632625eed64bb.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:2288
- 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:1532
- - 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=0A32DFA098684D3C3F442E992D44FDD6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1004
- - 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=A22C2EA5556AA9C44BAA3929DB6B0E32 --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=A22C2EA5556AA9C44BAA3929DB6B0E32 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1068
- - 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=120E342915F1761187AD1B56CB542C23 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3064
- - 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=0F0E7C5486740CCEC1F5CEEACFA95892 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2624
- - 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=95C27B9F3059EAEF5FA72D6BF07F8F90 --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=95C27B9F3059EAEF5FA72D6BF07F8F90 --renderer-client-id=6 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3752
- - 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=04D46A970139A9E729CF77F6D132BD4C --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3092

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2484

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
1a84ee3161d91d455c6d32e515fea4ee

SHA1
f745fda1ae3db5f97f2ef3a8ee55bbce06138bef

SHA256
0956753647889e335f23f1118b04535bc667a32476f688b76e53a61ebb6729f8

SHA512
9eb2c059c8e01355297a24e792bba0a56189ce07b0326f10a685aa61522bd1da1de63270639253b876a2f37ad4e5c08d9296f44becb173ba65dab05260036c9a

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