0deb2447be2a02f8b47f5afb3ee91fa278c5ac7a124ba4a9b1bc1a4e8aac936a

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 22:27

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General

Target

788c6c45c763dd2c89b87ef025473f00.pdf
Size

88KB
MD5

788c6c45c763dd2c89b87ef025473f00
SHA1

62cb38863ca410966bc54733b0688067d3c19de6
SHA256

0deb2447be2a02f8b47f5afb3ee91fa278c5ac7a124ba4a9b1bc1a4e8aac936a
SHA512

53591b393c810363819b1a779f47fb1025e13e2e58456e239c1292876f45311525aa5016fb6ec20193a95eddf78d4ab86338ecf6057100df10e1c6ea5f9455db
SSDEEP

1536:E7lksHmr7IjkjVgmBMFbAZ+Au4kG0wbAtRnUDWvqpWXbquZbfgWapOtQfgfRPr+:kDyOkjVg/eZ+A6Dp/nf7NZtQfgJ6

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
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2300	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 4688	2300	AcroRd32.exe	93
PID 2300 wrote to memory of 4688	2300	AcroRd32.exe	93
PID 2300 wrote to memory of 4688	2300	AcroRd32.exe	93
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 1648	4688	RdrCEF.exe	94
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95
PID 4688 wrote to memory of 2340	4688	RdrCEF.exe	95

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\788c6c45c763dd2c89b87ef025473f00.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:2300
- 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:4688
- - 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=5B178A1E528A4BAF5631C277D099CF74 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1648
- - 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=877361F0D8242414BBF4A0852FDB8028 --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=877361F0D8242414BBF4A0852FDB8028 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --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=99CD38901C4AFE8CD86C636C41455E9C --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2008
- - 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=EF30BD29CAAECC16DEF0EF979DEE4D9E --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064
- - 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=216008DC57EE8F437C3F4AFB401D5A78 --mojo-platform-channel-handle=2240 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=954EC5A5F3A4A39A30F1D00448AE4B34 --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=954EC5A5F3A4A39A30F1D00448AE4B34 --renderer-client-id=7 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3612

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
063c38f85317435f9ad4b6c139c8624d

SHA1
345c6f9bfa882c073477302d1b6c88fadd25ce7e

SHA256
1df2bdeb18fb2bbe089ed7e71b40398f54eff8903fb71b4afef40ad75fb2532f

SHA512
c62cb3ddeb45715cee30368d00c897916adfa813ebd03a82de96638baf6fd52334dbc71ae3cf55ca722aea35956caf7215c1f3853966336a8aea04b0603a57ce

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