0686e8657b6bb0dd76658feb017a3bd80124845a1a25a52d665616801c501c48

Analysis

max time kernel
160s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 14:33

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General

Target

c5e3ee79537de8e2b4f7e383f93c9058.pdf
Size

56KB
MD5

c5e3ee79537de8e2b4f7e383f93c9058
SHA1

3681d85123062dd3262523b7910f0cf239dd2fed
SHA256

0686e8657b6bb0dd76658feb017a3bd80124845a1a25a52d665616801c501c48
SHA512

5d7a70cd437d7cdddfd31e64f6becc25add480a016429a1be30039ec9b7d01f4056b48078d0545b062eb7267471fd5ad8362d3f9388b8d18fc28d84706700b84
SSDEEP

1536:qr3RsDcMMx4WBkuEUPoyuOuFYy/q1IJYdBY:qr3RshMxbBktUPodOuFYy/qyJ2S

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 3108	4444	AcroRd32.exe	91
PID 4444 wrote to memory of 3108	4444	AcroRd32.exe	91
PID 4444 wrote to memory of 3108	4444	AcroRd32.exe	91
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 3932	3108	RdrCEF.exe	92
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	RdrCEF.exe	93
PID 3108 wrote to memory of 4836	3108	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\c5e3ee79537de8e2b4f7e383f93c9058.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:4444
- 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:3108
- - 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=44131E6824E78EB928AAAD4500E71829 --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=44131E6824E78EB928AAAD4500E71829 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3932
- - 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=C9A2765DE0D6B79AE03627898F4DB0D8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- - 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=B43C6D30EE38C25AA2DB64E21336DEB1 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052
- - 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=A107A2957721120E7E7844B4E3DB72E7 --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=A107A2957721120E7E7844B4E3DB72E7 --renderer-client-id=5 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4456
- - 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=A9BCC7FB5604F4107A1B7F69D688BDD3 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=D6E0BA7EDCB395465639D8EAD981BE6B --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3592

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1948

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
3c7a67e0530f21c56748c637d260258b

SHA1
8bf1dfb49d404f9a7c2353561063792f9111cfbd

SHA256
b0718102f9c32d075ae48e8077e09f5b2d98267315d6aba8d1d4b4467ef82d67

SHA512
4d1ab8543c83c7a53d9379142e89de93d2e9fe90bcfdc45eba48f6242ddc37ff32415536c93c8fd6848dc4f966943e3d387c9f5ec07ab782237f8d6b4dde5a5e

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/4444-47-0x00000000093D0000-0x00000000093F1000-memory.dmp

Filesize
132KB

Download