marsstealer | 6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702

Analysis

max time kernel
12s
max time network
37s
platform
windows7_x64
resource
win7-20240319-de
resource tags

arch:x64arch:x86image:win7-20240319-delocale:de-deos:windows7-x64systemwindows
submitted
24-03-2024 17:41

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General

Target

6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.exe
Size

159KB
MD5

1524f984753f60aa2b865ef86b79a58b
SHA1

07579a5c92e8cc92e3f391a5460d6de74310883b
SHA256

6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702
SHA512

8d8d34812091935ad4c90270d5df13c2a8e0f3f9a3a5752ba469a6d4972a36ea5696a087e47d65b1c13b36496e2fa87f0d99dd34119d5f3730ca9798db3855d2
SSDEEP

3072:U53/H9YArDiGiDSDCosstkZtqJSp8Bb8EG:W3/WuDi3stJ8EG

Score

10^/10

marsstealer default stealer

Malware Config

Extracted

Family

marsstealer

Botnet

Default

Signatures

Mars Stealer
An infostealer written in C++ based on other infostealers.
stealer marsstealer

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1940	chrome.exe
1940	chrome.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1940	chrome.exe
Token: SeShutdownPrivilege	1940	chrome.exe
Token: SeShutdownPrivilege	1940	chrome.exe
Token: SeShutdownPrivilege	1940	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe
1940	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2004	1940	chrome.exe	29
PID 1940 wrote to memory of 2004	1940	chrome.exe	29
PID 1940 wrote to memory of 2004	1940	chrome.exe	29
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 2572	1940	chrome.exe	31
PID 1940 wrote to memory of 1164	1940	chrome.exe	32
PID 1940 wrote to memory of 1164	1940	chrome.exe	32
PID 1940 wrote to memory of 1164	1940	chrome.exe	32
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33
PID 1940 wrote to memory of 2580	1940	chrome.exe	33

C:\Users\Admin\AppData\Local\Temp\6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.exe
"C:\Users\Admin\AppData\Local\Temp\6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.exe"
1⤵
PID:1128

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 AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1940
- 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,0x7fef6c39758,0x7fef6c39768,0x7fef6c39778
  2⤵
  PID:2004
- 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=1164 --field-trial-handle=1348,i,11027452992795844601,9900213401261384528,131072 /prefetch:2
  2⤵
  PID:2572
- 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=1532 --field-trial-handle=1348,i,11027452992795844601,9900213401261384528,131072 /prefetch:8
  2⤵
  PID:1164
- 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=1576 --field-trial-handle=1348,i,11027452992795844601,9900213401261384528,131072 /prefetch:8
  2⤵
  PID:2580
- 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=2344 --field-trial-handle=1348,i,11027452992795844601,9900213401261384528,131072 /prefetch:1
  2⤵
  PID:2464
- 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=2356 --field-trial-handle=1348,i,11027452992795844601,9900213401261384528,131072 /prefetch:1
  2⤵
  PID:2056
- 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=1404 --field-trial-handle=1348,i,11027452992795844601,9900213401261384528,131072 /prefetch:2
  2⤵
  PID:1648
- 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=1376 --field-trial-handle=1348,i,11027452992795844601,9900213401261384528,131072 /prefetch:1
  2⤵
  PID:2772
- 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=3716 --field-trial-handle=1348,i,11027452992795844601,9900213401261384528,131072 /prefetch:8
  2⤵
  PID:836

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:2672

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

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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\Sync Data\LevelDB\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
memory/1128-0-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download