3f6a3893fd55ff94d6cfc219e09e768716667faf788d90168f8c7c7869ae3533

Analysis

max time kernel
50s
max time network
150s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
31/03/2023, 23:25

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General

Target

chromeloader.bat
Size

96B
MD5

1ec4decea4401a1267c9e1d7448dc5d1
SHA1

de41f87aa3e5ba6b5adcabf5f4fbac386ca68160
SHA256

3f6a3893fd55ff94d6cfc219e09e768716667faf788d90168f8c7c7869ae3533
SHA512

0a8f0a2fb51b7a751e76bec47056ea60f4e0d937df7b9867f8241dee7f6ffbf4f7a11855be144f1a2376f8fd38e0f12218d8b4781eb24eec3ae0b752ffff3a79

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
860	chrome.exe
860	chrome.exe

Suspicious use of AdjustPrivilegeToken 58 IoCs

description	pid	Process
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe
Token: SeShutdownPrivilege	860	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe
860	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 860	2044	cmd.exe	28
PID 2044 wrote to memory of 860	2044	cmd.exe	28
PID 2044 wrote to memory of 860	2044	cmd.exe	28
PID 860 wrote to memory of 564	860	chrome.exe	29
PID 860 wrote to memory of 564	860	chrome.exe	29
PID 860 wrote to memory of 564	860	chrome.exe	29
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 1488	860	chrome.exe	31
PID 860 wrote to memory of 740	860	chrome.exe	32
PID 860 wrote to memory of 740	860	chrome.exe	32
PID 860 wrote to memory of 740	860	chrome.exe	32
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33
PID 860 wrote to memory of 1368	860	chrome.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\chromeloader.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" https://remotedesktop.google.com/support
  2⤵
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:860
- - 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,0x7fefb149758,0x7fefb149768,0x7fefb149778
    3⤵
    PID:564
- - 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=1184 --field-trial-handle=1224,i,17981083429121037599,9821460562096294807,131072 /prefetch:2
    3⤵
    PID:1488
- - 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=1484 --field-trial-handle=1224,i,17981083429121037599,9821460562096294807,131072 /prefetch:8
    3⤵
    PID:740
- - 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=1588 --field-trial-handle=1224,i,17981083429121037599,9821460562096294807,131072 /prefetch:8
    3⤵
    PID:1368
- - 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=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2220 --field-trial-handle=1224,i,17981083429121037599,9821460562096294807,131072 /prefetch:1
    3⤵
    PID:1168
- - 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=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2236 --field-trial-handle=1224,i,17981083429121037599,9821460562096294807,131072 /prefetch:1
    3⤵
    PID:1592
- - 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=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3028 --field-trial-handle=1224,i,17981083429121037599,9821460562096294807,131072 /prefetch:1
    3⤵
    PID:1744
- - 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=2380 --field-trial-handle=1224,i,17981083429121037599,9821460562096294807,131072 /prefetch:2
    3⤵
    PID:2176
- - 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=2 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=3584 --field-trial-handle=1224,i,17981083429121037599,9821460562096294807,131072 /prefetch:1
    3⤵
    PID:2300
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3832 --field-trial-handle=1224,i,17981083429121037599,9821460562096294807,131072 /prefetch:8
    3⤵
    PID:2408

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:1264

Network

MITRE ATT&CK Enterprise v6

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\4634b75b-c792-4a50-a839-68ad5042db3c.tmp

Filesize
4KB

MD5
09b9f9ddb4b05640451564e440925f45

SHA1
db3e92a75ed884beff0b3a3579b62aa2d1522f40

SHA256
83e2f336bbe4f84e877f369e449f73770f3866c098e82924d8bf12fbfe7e9029

SHA512
53a6036a39577a42d8f68e5ded823111561977a9eb1b013c9fb6e4b6479a9b6370a91433498fb6a9df8046b99f8da9ffaa78f45cd9a073bc67e19b06e06df0fb

Download Submit
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\Network\TransportSecurity

Filesize
363B

MD5
277dd6b88810f9034d000290f1fadede

SHA1
149d7c5565afb3e9457ed32d166a74a6d652727e

SHA256
444acb0d15c48202ad13c3dfb3f1641e6bc14625447c609e1acadc6a8e6ba883

SHA512
674bc174fc225d301a628d388106b030681aefcdfebeb994b384181d01426c0bdbd2d1ba75e4961f17ca684df251cd2f6bc1962807f2c5d363637b36a7628a0d

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
4KB

MD5
0ac942f27b11a1bb31d24b9214e6400a

SHA1
3d3e66be80263348499d07d875a9e9fa7986e9a5

SHA256
8e489deb171e3122e3bb9b60449aafdd09b80502443c7b8cae9c9174366e673e

SHA512
3a43054683575c93c0418e957adb4216ed85b17aab9a12941e2348cfb4db2650473906663f4cc2633b5fbf99e2b307c105d188e057055d315a6260f6f0282228

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000004.dbtmp

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
173KB

MD5
f6b944425f332b2e9fd870a8f72f56b1

SHA1
c11fa8ca58082bc4916ca4938ff11b12ff865000

SHA256
566ceebfe608315164961f315c7526cbd565884438bc2a70b07b2c9b1b34a8df

SHA512
f6dbaad5088eeaba2c3b3968fb3fe18fe800ec705ed71d74c328e207e3b0b8a736d6ca003ff27e95fc75a8b0448d512dcf2a92c15c41f184d52f10739763ff6c

Download Submit