07c7fe11e036520054c3040bae52bf0a628178a49e6faceef292d0f90c790b40

Analysis

max time kernel
138s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 18:39

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General

Target

virussign.com_3c6ad0c7b87082fb5736c4df03a66810.pdf
Size

110KB
MD5

3c6ad0c7b87082fb5736c4df03a66810
SHA1

8d0380a949e7714aa958180cb76a3e43a0b7bd97
SHA256

07c7fe11e036520054c3040bae52bf0a628178a49e6faceef292d0f90c790b40
SHA512

7658db268702aa59d2efc06e98c52f5ea407201ae0fbd835bbfe2a1ce7e640851646332c0bfc4bb7457eb7abdef61ba418fba5660a24db61db88dedb444876d6
SSDEEP

1536:MlsRt7i5pJT7SCgsq0/dEeahjm0/jnaemCBmjz7hMJRjXjZmnfhw8jQYdoXpD2:MO5i56CLq0pahjnvBmH7mrjZmf/Q+ok

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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe
1116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 5052	1116	AcroRd32.exe	90
PID 1116 wrote to memory of 5052	1116	AcroRd32.exe	90
PID 1116 wrote to memory of 5052	1116	AcroRd32.exe	90
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 3684	5052	RdrCEF.exe	93
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	RdrCEF.exe	94
PID 5052 wrote to memory of 4488	5052	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\virussign.com_3c6ad0c7b87082fb5736c4df03a66810.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116
- 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:5052
- - 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=4DE8F26301AEE4EC351E1D1A49012569 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=C5DC32C8111AACE4B40135FC0CE62EB3 --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=C5DC32C8111AACE4B40135FC0CE62EB3 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4488
- - 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=36E65DBD957AF55D715B97D7F0F6E9F7 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3756
- - 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=1E71EC8795B459F65807CDF82D3FF975 --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=1E71EC8795B459F65807CDF82D3FF975 --renderer-client-id=5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2340
- - 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=2A19A4893BADE2C1F47F7F5FC385B820 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2932
- - 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=EE855EFAEF36C9BD4AC245261B8987C5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2744

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1600

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
cdaaba398d2d04f57e0262770973e44c

SHA1
94d2b20689b1ab8cc9a82eff21fbd53a69c103d5

SHA256
60a386ea9128efffa82eb41353cdfa0e8b607a9817c9093d4b99631d248d1844

SHA512
7bca2a9dfc73eac22b6ead2c733bba2f8fafd17dc5e0f0489138ea28af2bb61e1bff627defc5883048a9f73a35816f1e85912d49067fae1ce151ba1bb2f3c1eb

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

Filesize
64KB

MD5
84712d5629693cbbe91ca34e86bfa8b5

SHA1
7722b47376ecd95ade3c4d5cceec3b34199cacd7

SHA256
6225ca3267e02bb40aeb7abef1f551b0958da443374fd8716db348109d5e2138

SHA512
43f6a4974f31697fc621f6c98c538e2b6ec293586c042745c296b1330ebcb5ea345408c67a02410f515d7474e27ca34fce371324ee0f1aa96fe761dd9ebdc81e

Download Submit