dbcda589eecad2f20e95f4cc55b7b84c35a7dcf760832f924cab8f21ec9245d2

Analysis

max time kernel
142s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2024 23:53

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General

Target

7e55dc56e73656468988888dc9b7a52f.pdf
Size

84KB
MD5

7e55dc56e73656468988888dc9b7a52f
SHA1

77a4886405aad9de94155066b96a927db2a5d0db
SHA256

dbcda589eecad2f20e95f4cc55b7b84c35a7dcf760832f924cab8f21ec9245d2
SHA512

f6bc51a5de3da8eefd93984ed7cf753a8e901c52486b2ee8d1b5319fe9d94582244ba8140698d9fe4aa060cc981bc6b9c5cbd8c683a3d9412fb3a1e72247ca07
SSDEEP

1536:+1ERlOeQMESzc9FtQy8nrefTePZfIpiCwVqiskjFNXGY23QpIKzcsWYpO2KVGWXx:RiOc9FtQfref6Zg7wJsAGYdcj2cGWXXB

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 2436	3596	AcroRd32.exe	90
PID 3596 wrote to memory of 2436	3596	AcroRd32.exe	90
PID 3596 wrote to memory of 2436	3596	AcroRd32.exe	90
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 5048	2436	RdrCEF.exe	91
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	RdrCEF.exe	92
PID 2436 wrote to memory of 4208	2436	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\7e55dc56e73656468988888dc9b7a52f.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:3596
- 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:2436
- - 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=4D5F34A03A35559624E58BDFE5F03AD0 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5048
- - 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=EE05EB3F30BD1E49707E8F394072A102 --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=EE05EB3F30BD1E49707E8F394072A102 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4208
- - 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=309D257BA66E42C7028531FE7837861B --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3208
- - 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=C99B176A3B9D566684F38E4215FE7154 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4696
- - 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=4E9F595CACF6E8BF2BA0A513043EBF3F --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=4E9F595CACF6E8BF2BA0A513043EBF3F --renderer-client-id=6 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1352
- - 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=33268D0B1E94EDBA6B9B37F9D7ADA74F --mojo-platform-channel-handle=2812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:536

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:220

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
64164bf98781f1e0e1a2e5b49c300872

SHA1
9983640f0e3df1236127f4c91914f2b50a25a1cc

SHA256
c7622e9d7d34650568baa04ded8048ca074a97f24c183fa52907827208afd250

SHA512
d835e3bd383780b8f67206226c86448154bec3df6f77e3a571a3278d61442c97e31c52cebbf5abfaf8f718ca9f1f26a3a0151d14411e4022c935b07df74cad5c

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/3596-25-0x000000000BAE0000-0x000000000BB30000-memory.dmp

Filesize
320KB

Download