7611c5653ae83e8fde098297bab6966fced27594cb6d87315ecd9e3834f43bf3

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2024 18:43

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General

Target

70483763a579c1a7dc5522b7b481d507.pdf
Size

34KB
MD5

70483763a579c1a7dc5522b7b481d507
SHA1

955fff5c3980230bf03206a2ec79c9cb107b535b
SHA256

7611c5653ae83e8fde098297bab6966fced27594cb6d87315ecd9e3834f43bf3
SHA512

2fbc101fbdcf092356a87a7ac0841b67ffffb2ed90f98aa079c0e7a017cf76331e56e7668c8cd316919d05ede421b2c9a1d998a7ae87b8a778122408d0f19d36
SSDEEP

768:I909R6U7UBsxyb0YE3nyheEAN7Bv/NZ257ydKMDQVFU:m8RucyYYE3ny8V7RA7yYkQVS

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
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe
3988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 3492	3988	AcroRd32.exe	92
PID 3988 wrote to memory of 3492	3988	AcroRd32.exe	92
PID 3988 wrote to memory of 3492	3988	AcroRd32.exe	92
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 4376	3492	RdrCEF.exe	93
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	RdrCEF.exe	94
PID 3492 wrote to memory of 552	3492	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\70483763a579c1a7dc5522b7b481d507.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:3988
- 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:3492
- - 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=4E522E47534BA9BFCED72310E8029561 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4376
- - 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=20715FFF0F4AE216BF4F1FA8FFB0D06D --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=20715FFF0F4AE216BF4F1FA8FFB0D06D --renderer-client-id=2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:552
- - 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=BC1C77EDA15843953130B2D5AF40DDED --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2892
- - 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=3FFD24AABFE01E566DF4E99E7A8AA6DD --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=3FFD24AABFE01E566DF4E99E7A8AA6DD --renderer-client-id=5 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4076
- - 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=1BC69E7F36D83942CB050CFED9E94A6A --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:392
- - 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=11F931A8ACE33E228793B19FA318B0B7 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1208

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4372

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
a9968a65719d14a8d5a47114d7409c16

SHA1
1e717312d7f3703f8ea80183765ec5f9be11eb15

SHA256
7a9e89cf3b1db15f87f024bd0b31f55cdda962e507cf88538b8272d4e68f7f2a

SHA512
8b3b1ab5a8f6c6e3d7e83fe633e66d75cdd8f900842c46b7a9dbd04ca15f074521973b467a3a0f775a00581e16f7474de03f10c65e9ac31fd85cc749ecfb0ee0

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/3988-26-0x000000000A5C0000-0x000000000A610000-memory.dmp

Filesize
320KB

Download