77b89f34d8c744f412d5e157df308d051d90b0685b82ba825d66d086ead288c8

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 19:41

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General

Target

68791136e4d76d74de808a677c2ad8d3.pdf
Size

87KB
MD5

68791136e4d76d74de808a677c2ad8d3
SHA1

8d8c07a09b35005565657f034ad5e444b45b9020
SHA256

77b89f34d8c744f412d5e157df308d051d90b0685b82ba825d66d086ead288c8
SHA512

758a055a1dda8ee47578bfd556b0e3fb540a3084819b1bbf18badd88021dc456e30b73cc62a9f97a93770092b5ae87c0527adb462a76deed846a9870c081a364
SSDEEP

1536:dn4GUEm2D8o7FdH+EwGu/P/9agSbxKYbW995ewZIul5gKN9DdFl0lQ+WmpO+CWuR:h4km2DNFJM/WK/l5gAJFlEQ3+/F3/iiM

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe
1932	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2228	1932	AcroRd32.exe	89
PID 1932 wrote to memory of 2228	1932	AcroRd32.exe	89
PID 1932 wrote to memory of 2228	1932	AcroRd32.exe	89
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 4004	2228	RdrCEF.exe	92
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93
PID 2228 wrote to memory of 5088	2228	RdrCEF.exe	93

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\68791136e4d76d74de808a677c2ad8d3.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:1932
- 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:2228
- - 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=376E6DD7825E11912B6D3DDBD77E7FE2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4004
- - 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=0DB2D1C6695A3F864B47094089C46AC7 --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=0DB2D1C6695A3F864B47094089C46AC7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5088
- - 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=2623A445DF3BBCFA51198AED3E39BF68 --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=2623A445DF3BBCFA51198AED3E39BF68 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1836
- - 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=EAC90137F162819F06AABEBEC895D9E9 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2584
- - 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=C7A9BA09E414FFCCB1AFFDCD4783AA0E --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4368
- - 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=BE7064668B203A813CBAFEABC19C8373 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3568

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
a614c6ac8ac1913b069764241a5c847b

SHA1
d5c9d5927572e9eedbcee5e2ade05f9283d09eb0

SHA256
c4c25c8392d9b4bde93c4d441e62292d1525ac066172f561a1d227c7b9ce889e

SHA512
81c29f56f396bcf3f692ad95948764ce268799c0c5c4ef7d3dcee29d6ae0dc33f15e8489b9a87c7997a82cfcd2f4ca899035eb8c48e9df5e03c4bb3457b414a8

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