0aaa04c369f8377430ca14b24ab196da9fb0b012f71c22e2d1e62a928a7d2176

Analysis

max time kernel
20s
max time network
35s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
12/11/2023, 23:58

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General

Target

EMP.dll
Size

4.9MB
MD5

d90b6219918c6142174fbac8ffbccaeb
SHA1

ea5fe96f0dcbb08f1ea8bf14aa1158a8535efe86
SHA256

0aaa04c369f8377430ca14b24ab196da9fb0b012f71c22e2d1e62a928a7d2176
SHA512

e30a9bcbf41a32297f6bb6c361bf21c611d684af2bec93ceabf170dbcfc2cb3993b14c2d2017cbc448c73fd3a08759171ab130f1b20fa011a9b28b6f021e0cef
SSDEEP

49152:r3ddup0giOoxStBhg3p86tL0vmkKMpAz3du+9/ZnwlUZJoQH+OyhVCdo9+bWHYEz:rtQNRoAK8M0vV+9dhbLDeb/f

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2752	chrome.exe
2752	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe
2752	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2692	2752	chrome.exe	34
PID 2752 wrote to memory of 2692	2752	chrome.exe	34
PID 2752 wrote to memory of 2692	2752	chrome.exe	34
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 2552	2752	chrome.exe	36
PID 2752 wrote to memory of 1836	2752	chrome.exe	37
PID 2752 wrote to memory of 1836	2752	chrome.exe	37
PID 2752 wrote to memory of 1836	2752	chrome.exe	37
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38
PID 2752 wrote to memory of 1320	2752	chrome.exe	38

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\EMP.dll,#1
1⤵
PID:2108

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:3060

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef5f69758,0x7fef5f69768,0x7fef5f69778
  2⤵
  PID:2692
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1172 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:2
  2⤵
  PID:2552
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1520 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:8
  2⤵
  PID:1836
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1544 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:8
  2⤵
  PID:1320
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2152 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:1
  2⤵
  PID:932
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2144 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:1
  2⤵
  PID:1824
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1392 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:2
  2⤵
  PID:1808
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3180 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:1
  2⤵
  PID:1812
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3512 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:8
  2⤵
  PID:1412
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3468 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:8
  2⤵
  PID:1528
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2836 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:8
  2⤵
  PID:2304
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3968 --field-trial-handle=1232,i,8305674481212005541,10328222344308174754,131072 /prefetch:1
  2⤵
  PID:1216

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:1316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
memory/2108-0-0x0000000013000000-0x00000000134F7000-memory.dmp

Filesize
5.0MB

Download
memory/2108-1-0x0000000013000000-0x00000000134F7000-memory.dmp

Filesize
5.0MB

Download
memory/2108-62-0x0000000013000000-0x00000000134F7000-memory.dmp

Filesize
5.0MB

Download