b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 03:39

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General

Target

b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe
Size

16KB
MD5

ce4e561c47dea3b2ff87dcc2d8dfbccf
SHA1

fa317b3d227017415c73145ccea965315309f289
SHA256

b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d
SHA512

83e14ca39042dc7ce7ae08d7dbdc889a35aa1e81c1da9b2bc931e8e57063c2a2242768d29e575e042771498ad5f443b6c7275c124c450a8c8daac4dc11bf5404
SSDEEP

384:x+uPfoQ+DfYMzKdPEsOuubuEG3KHM2/qL:IMAQ+BzWPEwnE+KHM2/m

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

svhost.exe

pid process

2984 svhost.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2984	svhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svhost.exeb6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winhost = "C:\\Windows\\svhost.exe"	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winhost = "C:\\Windows\\svhost.exe"	b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe

Drops file in Windows directory 2 IoCs

Processes:

b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exesvhost.exe

description	ioc	process
File created	C:\Windows\svhost.exe	b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe
File created	C:\Windows\svhost.exe	svhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exesvhost.exe

description	pid	process
Token: SeDebugPrivilege	1284	b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe
Token: SeDebugPrivilege	2984	svhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe

description	pid	process	target process
PID 1284 wrote to memory of 2984	1284	b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe	svhost.exe
PID 1284 wrote to memory of 2984	1284	b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe	svhost.exe
PID 1284 wrote to memory of 2984	1284	b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe	svhost.exe
PID 1284 wrote to memory of 2984	1284	b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe	svhost.exe

C:\Users\Admin\AppData\Local\Temp\b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe
"C:\Users\Admin\AppData\Local\Temp\b6d6666ca9f0e419b8258dde61646076d1fc1c9442542296c84196dbf6a7e83d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\svhost.exe
  "C:\Windows\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\475372775\zmstage.exe.orig

Filesize
3.7MB

MD5
c2d913e8b7a32b73c48501758e8777f4

SHA1
ae841269f4981b31d161f2c54ae1d81cd507ba59

SHA256
b88a921ddf0e74a7c9228e9240cd9445b7cefff643081c12c3dd4f67d1c169f1

SHA512
254789cdce49ed76df37bfc8f7eefe776bd4bc5c613d218bf38f2e39a12dbd0f7e1c21aa37c7026475eb5af1b7dba0fd24fdc759c4115f27f6af59f95e1e7da3

Download Submit
C:\Users\Admin\AppData\Local\Temp\jXsOEyaBppoQywf.exe

Filesize
16KB

MD5
d06d48ab60cd45b93b0ee21b84c0ebcd

SHA1
a317c4d22395780b83a69cd0d38551bc7b5dcdf3

SHA256
30242dc80a6e32d6664a6edcb21b0eba5f1fc4f6945502106a07c7aa6692ac58

SHA512
620091920675eca409b47cc3c64ff542d39f649bc34d37a90f05d8d35afffaf7b59a5472aa2a0ba994e427b55ede0865bc8931b6997d8ec23200df3dd8dea26d

Download Submit
C:\Windows\svhost.exe

Filesize
16KB

MD5
76fd02b48297edb28940bdfa3fa1c48a

SHA1
bf5cae1057a0aca8bf3aab8b121fe77ebb0788ce

SHA256
07abd35f09b954eba7011ce18b225017c50168e039732680df58ae703324825c

SHA512
28c7bf4785547f6df9d678699a55cfb24c429a2bac5375733ff2f760c92933190517d8acd740bdf69c3ecc799635279af5d7ebd848c5b471318d1f330c441ff0

Download Submit