b4b5ae5458eca4e4297a7475894a8f0c25ebbf8db7bbbc2bde13fe1d97a70460

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 04:21

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General

Target

0e48c01139338a8117597a78a35d2e6f.pdf
Size

82KB
MD5

0e48c01139338a8117597a78a35d2e6f
SHA1

214414fe477a0d05ca585cbd7e27287e3d99f1d2
SHA256

b4b5ae5458eca4e4297a7475894a8f0c25ebbf8db7bbbc2bde13fe1d97a70460
SHA512

210059e7c1f1732e03eb8fb55f61b93e8cccb19283d687c6a70a5841e45789e822e0fac52e5b8045e19b7a24b81e3f6c9db7e03b7fd82fbfc259696c422fc8d9
SSDEEP

1536:KuE87o21DOH52okFZX5vFpt26WmaJAqUfTArzRycXAWkNpOPaWKImg4hoEuauhKb:aRaZzGjmay8QcPRqoThKkqj

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1436	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 4416	1436	AcroRd32.exe	98
PID 1436 wrote to memory of 4416	1436	AcroRd32.exe	98
PID 1436 wrote to memory of 4416	1436	AcroRd32.exe	98
PID 1436 wrote to memory of 4856	1436	AcroRd32.exe	100
PID 1436 wrote to memory of 4856	1436	AcroRd32.exe	100
PID 1436 wrote to memory of 4856	1436	AcroRd32.exe	100
PID 1436 wrote to memory of 4836	1436	AcroRd32.exe	102
PID 1436 wrote to memory of 4836	1436	AcroRd32.exe	102
PID 1436 wrote to memory of 4836	1436	AcroRd32.exe	102
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 540	4836	RdrCEF.exe	104
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105
PID 4836 wrote to memory of 1640	4836	RdrCEF.exe	105

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\0e48c01139338a8117597a78a35d2e6f.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:1436
- 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⤵
  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" --backgroundcolor=16514043
  2⤵
  PID:4856
- 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: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=77634A104D1CFA3EF3CFF3E7B30B5F4B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:540
- - 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=3F18FB84273DF9B02B935D110DD57CCD --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=3F18FB84273DF9B02B935D110DD57CCD --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1640
- - 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=B06F1A6ED480AD39F4F7AB8522F25446 --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=B06F1A6ED480AD39F4F7AB8522F25446 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:768
- - 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=DBCA8345AFA96F8814F515C253E9163F --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3612
- - 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=8FB11C9037DB9B80EEE8B3FB366BD4BD --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4180
- - 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=F4B3CE7992E0CB55145D2E789E6303CC --mojo-platform-channel-handle=2764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2404

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
abc9108103517fa0f7ee97cc1447bd24

SHA1
09a439c4bc129b5e457d95a7ff13997516647135

SHA256
428ed7dcc652d8c650f0894c7963f7c4f5f5369a2adc8af1524e6a8f31cfa9ef

SHA512
7cb7dd2fcc5cbb5ed36fe475d4dc393fc6e06c064d6e583d4aced6b57867d1f5fb93578f4bf9c8a75d6cf4e650b6960c5c2dd82a178e6be14eaa86a25f0bff6f

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit