61b769bdb647933312945ed0135f0278faa4351a401425d40db0b5eb95e59d8e

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 19:07

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General

Target

41ad8c1aa9b14287fe05f15dec923fa4.pdf
Size

90KB
MD5

41ad8c1aa9b14287fe05f15dec923fa4
SHA1

d6b3695b3da1ea38f1b57a5ae7198f4da8866677
SHA256

61b769bdb647933312945ed0135f0278faa4351a401425d40db0b5eb95e59d8e
SHA512

c79c874eb41e55bbad7b7abfa68192240f69e7edb51e68099b9f0653fdd7e93e2750db13c826314fe3f96746ae527125e2cc8e9c067fb7e1f797918fa993a4ad
SSDEEP

1536:f3wB9U9OezaRP29B0gXnliU/wsDbMTDGZmiaq02W+8qbWapOn/VejWUm2IxIMQAq:sAOesPW0MlxMTDdij/W+8qEn/VeNm2Io

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
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
376	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe
376	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 376 wrote to memory of 4008	376	AcroRd32.exe	91
PID 376 wrote to memory of 4008	376	AcroRd32.exe	91
PID 376 wrote to memory of 4008	376	AcroRd32.exe	91
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 2652	4008	RdrCEF.exe	93
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	RdrCEF.exe	92
PID 4008 wrote to memory of 4892	4008	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\41ad8c1aa9b14287fe05f15dec923fa4.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:376
- 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:4008
- - 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=BBF0883DC05BC9427BD4BBB218BD7376 --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=BBF0883DC05BC9427BD4BBB218BD7376 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4892
- - 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=1CD20A7C012A41BDA644B75E4F7DEC4B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2652
- - 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=048CA3903EC16E15F7F0EDAFDA28701A --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2172
- - 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=EAE1F9D973CBFF36ED7FE1D465899A58 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4288
- - 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=8D0D6363DF9C1E5A288782C19063595C --mojo-platform-channel-handle=2360 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3680
- - 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=7759923E2C8B231927FD550EBF4C605D --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=7759923E2C8B231927FD550EBF4C605D --renderer-client-id=7 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3180

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2060

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
1c501d79d97edc3ab0c5307c64187f5c

SHA1
a0f2e31c87dc7727857e2e49921ac821801ec7ca

SHA256
233d92daf7e5964cad835d892dd4a3f55d02184f6e012e2d385dfdfd1f70fbf9

SHA512
229852ab021fa9bc5e49d1df47a09cdc0e484d909d84fe475831e995fd1869ef37da5edbdaef2b69cee589a3a299425458c84fbea2e2f1da98e87bbf199fe733

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

Filesize
32KB

MD5
3e8bdf1e462d326e291a99279f3aba13

SHA1
63dff9a9fc8cb68f1b57ebf8c7c615b8998f9d95

SHA256
e7f9de81ee87a50159d6a43ff20e6fd5e88f797f6fb439e6a21e312e23cfb84f

SHA512
3567a810f2681a2ca3f853d729cc3bfa35c4f03d25169b231fa1c0310baef44bdab551e4b89603c704bc04f9f6e60914772199a96baeacc217e5b9efe50052d8

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit