d00fbb9b2e3c3464b5de4a361083953d87331c55fddc23497af062a26c5258e5

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 23:14

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General

Target

takimoto.sohachi_2114.pdf
Size

12KB
MD5

fa82afaf262044ad3753f86a95e6b64d
SHA1

280278ae4baf2bde12cc105848ca51d9815bf881
SHA256

d00fbb9b2e3c3464b5de4a361083953d87331c55fddc23497af062a26c5258e5
SHA512

7318ecb909e8401484d4e548e44fbcfb24c18e1c6f4f646df5d8e4653ea0a585344adf5374c66b06acd1bc829ee912228f866437321a1f0673fd81cb127d5f22
SSDEEP

192:YvHdStwk+SVg1Agvn2QUUu+b90sRvuw3LJdLnixbKawxduiFfVIdpu22gltnzs/:Yv/khVFga+b9T3Hn5dSu7gl5M

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe
4644	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4644 wrote to memory of 5068	4644	AcroRd32.exe	91
PID 4644 wrote to memory of 5068	4644	AcroRd32.exe	91
PID 4644 wrote to memory of 5068	4644	AcroRd32.exe	91
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 2296	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92
PID 5068 wrote to memory of 1356	5068	RdrCEF.exe	92

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\takimoto.sohachi_2114.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4644
- 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:5068
- - 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=E3A27E669094FF1793C117F04693C4D4 --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=E3A27E669094FF1793C117F04693C4D4 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1356
- - 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=3A914B57133FAC06EE187587988C6B48 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2296
- - 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=5EECFE277369EB730D0BCFE49EB318C1 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2376
- - 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=C6F056C712A92557CC425993F104E856 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3608
- - 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=BD2B1CA0DEE8FCEA4177803CD1735BDD --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3200

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4888

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
329b9662889842f46cb7f22a3291da9e

SHA1
eac0f8074bbb463a90187896f51873d8f16cde76

SHA256
c5d975baf8146dc2f45e13f45d7148c61d56f6164f5d69a82e617cbf5c6c2860

SHA512
bb52947057d550e259eecd66308cea90c00b489d022acda0efdfa0f85f692eb4e02720279b28f7159019af429d4fc6a55726eabd93f1d08154d0df0d11893982

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit