4f5972e93d295a3fae8ed54f5ced0449e8d7236d7fd34d0ee854b37b74b7ab0f

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 14:24

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General

Target

c8d5cd872f03caabe6579a713d5e0ba4.pdf
Size

76KB
MD5

c8d5cd872f03caabe6579a713d5e0ba4
SHA1

535c4b1b4b62867b30456bea77145df87dcf9b4c
SHA256

4f5972e93d295a3fae8ed54f5ced0449e8d7236d7fd34d0ee854b37b74b7ab0f
SHA512

190da64f022928c7f35adf02b1723d544926cdea2d1a74b0aa648185e25a405d01261e3c3c45b76267ad0edc8e0c20a282b45365ad3021c81bd4df040c451f0f
SSDEEP

1536:ATxkPv+QnaWA1kGD12c5GD7n9f68xuyW19zyUHZgen7J4:H2Qncrf5GlfTS1NTW+e

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
692	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 3048	692	AcroRd32.exe	91
PID 692 wrote to memory of 3048	692	AcroRd32.exe	91
PID 692 wrote to memory of 3048	692	AcroRd32.exe	91
PID 692 wrote to memory of 4548	692	AcroRd32.exe	92
PID 692 wrote to memory of 4548	692	AcroRd32.exe	92
PID 692 wrote to memory of 4548	692	AcroRd32.exe	92
PID 692 wrote to memory of 1296	692	AcroRd32.exe	93
PID 692 wrote to memory of 1296	692	AcroRd32.exe	93
PID 692 wrote to memory of 1296	692	AcroRd32.exe	93
PID 692 wrote to memory of 2492	692	AcroRd32.exe	97
PID 692 wrote to memory of 2492	692	AcroRd32.exe	97
PID 692 wrote to memory of 2492	692	AcroRd32.exe	97
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 3268	2492	RdrCEF.exe	99
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100
PID 2492 wrote to memory of 1484	2492	RdrCEF.exe	100

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\c8d5cd872f03caabe6579a713d5e0ba4.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:692
- 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:3048
- 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:4548
- 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:1296
- 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:2492
- - 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=F7C864D01109850BA2C5555726011A3B --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3268
- - 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=183A9AD4FBBA6ED7B2F5DA3E135BBA56 --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=183A9AD4FBBA6ED7B2F5DA3E135BBA56 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1484
- - 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=037D0CB268D4D150AE6B2294FD32335F --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=037D0CB268D4D150AE6B2294FD32335F --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3304
- - 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=81D0A7849ACEFAD61BCC83DD4A46295A --mojo-platform-channel-handle=1792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:880
- - 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=953E944D53C4B483027F9A3380E60B10 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3076
- - 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=BE8B62265B8A8BF0DD9C104F7FB364B4 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2920

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:444

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
64KB

MD5
425023a38eda3bac4ddb0f2716d5665f

SHA1
60929c374da97517982481174d01c27ec522ef64

SHA256
cf87af6dc50817bc111b80ecf6637ef124fdc7ccf1d54a1e085e901033966090

SHA512
736d62e35a03797a62e4d8ceeb1e014cb560605cf638917c69199c8b793358566587f73068885c404cf9c55f0fb6168c8ac1223801c9528cd269b6491c26e9b5

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/692-131-0x000000000B4D0000-0x000000000B4F1000-memory.dmp

Filesize
132KB

Download