5717ed4aa49a8cc3ca36ed29f27eb94a6681a7570b71d2b585d19649a3452b24

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:53

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General

Target

04e4ecf90d6723abe56cf724a63ed38e.pdf
Size

81KB
MD5

04e4ecf90d6723abe56cf724a63ed38e
SHA1

007ff745dd3232736b1316e410930260e0fa6030
SHA256

5717ed4aa49a8cc3ca36ed29f27eb94a6681a7570b71d2b585d19649a3452b24
SHA512

a731a2c3cedcbe9cf1c58fd4386b1d13fab7c4c9630773f9608de1659589dcd7b095a0c05925910265b27f64f5c6642975a144d8f31d96fac4491f7320488aaf
SSDEEP

1536:8CARo/X//NtVB2msOLAONbBoLFXshh0huTn9RRRSVDiFBQ6nBR6o:///GO0ONtoLqAArRKiXhBH

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
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe
3696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 4208	3696	AcroRd32.exe	91
PID 3696 wrote to memory of 4208	3696	AcroRd32.exe	91
PID 3696 wrote to memory of 4208	3696	AcroRd32.exe	91
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 4824	4208	RdrCEF.exe	92
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	RdrCEF.exe	93
PID 4208 wrote to memory of 2276	4208	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\04e4ecf90d6723abe56cf724a63ed38e.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:3696
- 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: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=D8658287C589CB848462726BA8F804F8 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=5B6A3FF63E7D8854F6DE1410BE7596AA --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=5B6A3FF63E7D8854F6DE1410BE7596AA --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2276
- - 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=1F0CF4CE9C408A3FA27155780E506E84 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4416
- - 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=FB11D807AEAED576AD3B78629D1508CD --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4884
- - 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=A719E401EFAF5022DEF05810B9F06DDE --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=A719E401EFAF5022DEF05810B9F06DDE --renderer-client-id=6 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4396
- - 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=3C3070842A5373D803326C1ADA800D39 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1988

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1348

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
490a59e3e191ae1fc5742cf8cf4bc3e4

SHA1
56ca3f40231fed5e229adbe74874df2bc5bada49

SHA256
21251ece1b9d3a2f3700c103654c219e47ce2a3118cf589e7d6118b47d4a6a4c

SHA512
5465aff31271237024f5f94ebd393263944cc4252e7311c317329407ed22811fb01a92296f6ce497d199050932b39ecb0e1d73ea9134d3c9a5cd2b96f9273f74

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