257c3b44808b3cf3687ef81da11dc955f444e6310826ee7f0bf5fd14a14dbf59

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2024 11:51

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General

Target

86d217fcefa89634a906c201a87b4acc.pdf
Size

89KB
MD5

86d217fcefa89634a906c201a87b4acc
SHA1

63303178e9bb8e0f731f34f9076783dc58a97966
SHA256

257c3b44808b3cf3687ef81da11dc955f444e6310826ee7f0bf5fd14a14dbf59
SHA512

0d276abfbb494540cf67c746d8568dcccccc39292fe4f566096d61fbbca83278f83452fbe5d9098de387ddb3f4147387afb5e2cec6a5b303a62feb96974d26b1
SSDEEP

1536:mgAnoPOt2pyMm/sRAP39EoOa8OY9iX5jTwR56DlIu4FsBnwgMWxApOGzWK9/eHSN:fGwpAWQ39ElFDS5ME4FsBwgN3GPeHSPF

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 3088	3412	AcroRd32.exe	92
PID 3412 wrote to memory of 3088	3412	AcroRd32.exe	92
PID 3412 wrote to memory of 3088	3412	AcroRd32.exe	92
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 840	3088	RdrCEF.exe	93
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	RdrCEF.exe	94
PID 3088 wrote to memory of 2900	3088	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\86d217fcefa89634a906c201a87b4acc.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:3412
- 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:3088
- - 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=C940218BC53B7B7C545531797F5EBFA2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:840
- - 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=58963EA4A8AA1FE6EA9875192CAB3342 --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=58963EA4A8AA1FE6EA9875192CAB3342 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2900
- - 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=B574E181BAD343E2C322AB38423874FF --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3508
- - 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=3B75C834BBCB04CF827E045A2762470B --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1412
- - 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=42EDC0FDBDA5C613A09ADBAD9B586B50 --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=42EDC0FDBDA5C613A09ADBAD9B586B50 --renderer-client-id=6 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3904
- - 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=3A352D4DD6CB830CBB05F9C668EDA242 --mojo-platform-channel-handle=2732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2376

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1108

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
9ef5fce743a65d065219c0b4a4820fdb

SHA1
1c7d5ba16a20e94f586059e8164badf174539d8f

SHA256
842498dd41c99492f705de3ea09a2f86a0780e060df0efde1e191d572782aeb9

SHA512
62eb175a91e2d4fb697c82a08c234282d9ac7158b79bce296bf6b804e82b8d8397ac73ac064d10d1b2ac5d4fa813846d5af8f6e3cae60f8e18c31490e957e64e

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/3412-26-0x000000000BD60000-0x000000000BDB0000-memory.dmp

Filesize
320KB

Download