94de73193434614ee2cbd742896ae5d907d8ba690f9933ce2f933138d7d67d02

Analysis

max time kernel
141s
max time network
147s
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, 14:31

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General

Target

c4c4c35d70d0efa3913af9c6ea3ba70b.pdf
Size

77KB
MD5

c4c4c35d70d0efa3913af9c6ea3ba70b
SHA1

e35568e401aff5d6f81c77961aa17fe4fbc899c2
SHA256

94de73193434614ee2cbd742896ae5d907d8ba690f9933ce2f933138d7d67d02
SHA512

39cd4b1482a4cf45e67162a8db4ef3ea146fee312e68e97bde324ab3c27fdd7ed6ef98831ed24d326d0eaa53f837f76966338b71f4e85ba7dc49913f092ecae2
SSDEEP

1536:zGJ+BOsAGdCYh5R4y4aCnyH1aljCHJUB+V8jNksJRmU:aJ4OxGCORkns1tJU08jzD

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3196	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3196 wrote to memory of 2888	3196	AcroRd32.exe	92
PID 3196 wrote to memory of 2888	3196	AcroRd32.exe	92
PID 3196 wrote to memory of 2888	3196	AcroRd32.exe	92
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 3452	2888	RdrCEF.exe	93
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94
PID 2888 wrote to memory of 456	2888	RdrCEF.exe	94

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\c4c4c35d70d0efa3913af9c6ea3ba70b.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:3196
- 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:2888
- - 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=FD8DF1321C41200BCDFCC2BD2684924A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3452
- - 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=C3E1BB3397267AFAA39C93C5BA0AD8F5 --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=C3E1BB3397267AFAA39C93C5BA0AD8F5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:456
- - 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=1B4CC145C52BD3A31900108F4FE056D3 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5108
- - 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=5C8E35518AC9A8B782EBB55B5CEAC90D --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2772
- - 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=322CE07AA9FD15CC175D812036D1B45B --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:740
- - 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=FC7DBC83E4F2ADEB9ECC659CA6B5A3DF --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=FC7DBC83E4F2ADEB9ECC659CA6B5A3DF --renderer-client-id=7 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1652

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
54823a78dc3d9339df3862fab9d4e044

SHA1
1817b2f64770380949241afde44e159ec3c850c0

SHA256
874b063427ec61c9fbe221fed6ebee6f19e310035c18e014b212af7a5aa55f1f

SHA512
747127d8d5bdc17dd6fcedc311ab20bc32c106af48a7a25dbe680bd47a769c3e4618821e619304200b1338dc9e45c0a29ab11c7228b5d939c727d2aa6be299c8

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/3196-26-0x000000000BC80000-0x000000000BCD0000-memory.dmp

Filesize
320KB

Download