88502f27ab03c34af7ceda2bb6fecda42ae227e74e8a5e52346db749e200d134

Analysis

max time kernel
71s
max time network
153s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
05/07/2023, 07:46

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General

Target

7104f635a41839bac7835703f06f744e.exe
Size

95KB
MD5

7104f635a41839bac7835703f06f744e
SHA1

2ca12e1bf681180799a2f277c13218418bb9f1bb
SHA256

88502f27ab03c34af7ceda2bb6fecda42ae227e74e8a5e52346db749e200d134
SHA512

9d61715d705363073b8b6e645c462095e7bd039aa67013f7907162d7f47cc151be6bbcddd2292cdc03859327525e87ef0e0090609701a4507ea8f4715db95c7a
SSDEEP

1536:auj56ycNa0SNndwAhRvTlrYZUkGnP3+RBJWPnhdTW8tBniRgR:auj5+NJINhRvTHlnP3+RB4pYwBi

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3024	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	TrRJLfmPbPyzKCdX.exe

Loads dropped DLL 2 IoCs

pid	Process
3024	cmd.exe
3024	cmd.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
T1081

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\olUPnogcERyFGyiskq = "C:\\ProgramData\\TrRJLfmPbPyzKCdX.exe"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\olUPnogcERyFGyiskq = "C:\\ProgramData\\TrRJLfmPbPyzKCdX.exe"	reg.exe

Delays execution with timeout.exe 3 IoCs

evasion

pid	Process
2372	timeout.exe
3008	timeout.exe
2956	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1936	7104f635a41839bac7835703f06f744e.exe
2976	TrRJLfmPbPyzKCdX.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 3012	1936	7104f635a41839bac7835703f06f744e.exe	29
PID 1936 wrote to memory of 3012	1936	7104f635a41839bac7835703f06f744e.exe	29
PID 1936 wrote to memory of 3012	1936	7104f635a41839bac7835703f06f744e.exe	29
PID 1936 wrote to memory of 3012	1936	7104f635a41839bac7835703f06f744e.exe	29
PID 1936 wrote to memory of 3024	1936	7104f635a41839bac7835703f06f744e.exe	30
PID 1936 wrote to memory of 3024	1936	7104f635a41839bac7835703f06f744e.exe	30
PID 1936 wrote to memory of 3024	1936	7104f635a41839bac7835703f06f744e.exe	30
PID 1936 wrote to memory of 3024	1936	7104f635a41839bac7835703f06f744e.exe	30
PID 3012 wrote to memory of 2372	3012	cmd.exe	33
PID 3012 wrote to memory of 2372	3012	cmd.exe	33
PID 3012 wrote to memory of 2372	3012	cmd.exe	33
PID 3012 wrote to memory of 2372	3012	cmd.exe	33
PID 3024 wrote to memory of 3008	3024	cmd.exe	34
PID 3024 wrote to memory of 3008	3024	cmd.exe	34
PID 3024 wrote to memory of 3008	3024	cmd.exe	34
PID 3024 wrote to memory of 3008	3024	cmd.exe	34
PID 3024 wrote to memory of 2976	3024	cmd.exe	35
PID 3024 wrote to memory of 2976	3024	cmd.exe	35
PID 3024 wrote to memory of 2976	3024	cmd.exe	35
PID 3024 wrote to memory of 2976	3024	cmd.exe	35
PID 2976 wrote to memory of 2124	2976	TrRJLfmPbPyzKCdX.exe	36
PID 2976 wrote to memory of 2124	2976	TrRJLfmPbPyzKCdX.exe	36
PID 2976 wrote to memory of 2124	2976	TrRJLfmPbPyzKCdX.exe	36
PID 2976 wrote to memory of 2124	2976	TrRJLfmPbPyzKCdX.exe	36
PID 2124 wrote to memory of 2956	2124	cmd.exe	38
PID 2124 wrote to memory of 2956	2124	cmd.exe	38
PID 2124 wrote to memory of 2956	2124	cmd.exe	38
PID 2124 wrote to memory of 2956	2124	cmd.exe	38
PID 3012 wrote to memory of 524	3012	cmd.exe	39
PID 3012 wrote to memory of 524	3012	cmd.exe	39
PID 3012 wrote to memory of 524	3012	cmd.exe	39
PID 3012 wrote to memory of 524	3012	cmd.exe	39
PID 2124 wrote to memory of 2060	2124	cmd.exe	40
PID 2124 wrote to memory of 2060	2124	cmd.exe	40
PID 2124 wrote to memory of 2060	2124	cmd.exe	40
PID 2124 wrote to memory of 2060	2124	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\7104f635a41839bac7835703f06f744e.exe
"C:\Users\Admin\AppData\Local\Temp\7104f635a41839bac7835703f06f744e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c (timeout /t 60) & (reg.exe add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /reg:64 /v olUPnogcERyFGyiskq /d "C:\ProgramData\TrRJLfmPbPyzKCdX.exe")
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 60
    3⤵
    - Delays execution with timeout.exe
    PID:2372
- - C:\Windows\SysWOW64\reg.exe
    reg.exe add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /reg:64 /v olUPnogcERyFGyiskq /d "C:\ProgramData\TrRJLfmPbPyzKCdX.exe"
    3⤵
    - Adds Run key to start application
    PID:524
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c (timeout /t 10) & (del /F /Q "C:\Users\Admin\AppData\Local\Temp\7104f635a41839bac7835703f06f744e.exe") & (start "" "C:\ProgramData\TrRJLfmPbPyzKCdX.exe")
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - Delays execution with timeout.exe
    PID:3008
- - C:\ProgramData\TrRJLfmPbPyzKCdX.exe
    "C:\ProgramData\TrRJLfmPbPyzKCdX.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2976
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c (timeout /t 60) & (reg.exe add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /reg:64 /v olUPnogcERyFGyiskq /d "C:\ProgramData\TrRJLfmPbPyzKCdX.exe")
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2124
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 60
        5⤵
        Delays execution with timeout.exe
        
        PID:2956
    - - C:\Windows\SysWOW64\reg.exe
        
        reg.exe add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /reg:64 /v olUPnogcERyFGyiskq /d "C:\ProgramData\TrRJLfmPbPyzKCdX.exe"
        5⤵
        Adds Run key to start application
        
        PID:2060

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\TrRJLfmPbPyzKCdX.exe

Filesize
95KB

MD5
7104f635a41839bac7835703f06f744e

SHA1
2ca12e1bf681180799a2f277c13218418bb9f1bb

SHA256
88502f27ab03c34af7ceda2bb6fecda42ae227e74e8a5e52346db749e200d134

SHA512
9d61715d705363073b8b6e645c462095e7bd039aa67013f7907162d7f47cc151be6bbcddd2292cdc03859327525e87ef0e0090609701a4507ea8f4715db95c7a

Download Submit
C:\ProgramData\TrRJLfmPbPyzKCdX.exe

Filesize
95KB

MD5
7104f635a41839bac7835703f06f744e

SHA1
2ca12e1bf681180799a2f277c13218418bb9f1bb

SHA256
88502f27ab03c34af7ceda2bb6fecda42ae227e74e8a5e52346db749e200d134

SHA512
9d61715d705363073b8b6e645c462095e7bd039aa67013f7907162d7f47cc151be6bbcddd2292cdc03859327525e87ef0e0090609701a4507ea8f4715db95c7a

Download Submit
\ProgramData\TrRJLfmPbPyzKCdX.exe

Filesize
95KB

MD5
7104f635a41839bac7835703f06f744e

SHA1
2ca12e1bf681180799a2f277c13218418bb9f1bb

SHA256
88502f27ab03c34af7ceda2bb6fecda42ae227e74e8a5e52346db749e200d134

SHA512
9d61715d705363073b8b6e645c462095e7bd039aa67013f7907162d7f47cc151be6bbcddd2292cdc03859327525e87ef0e0090609701a4507ea8f4715db95c7a

Download Submit
\ProgramData\TrRJLfmPbPyzKCdX.exe

Filesize
95KB

MD5
7104f635a41839bac7835703f06f744e

SHA1
2ca12e1bf681180799a2f277c13218418bb9f1bb

SHA256
88502f27ab03c34af7ceda2bb6fecda42ae227e74e8a5e52346db749e200d134

SHA512
9d61715d705363073b8b6e645c462095e7bd039aa67013f7907162d7f47cc151be6bbcddd2292cdc03859327525e87ef0e0090609701a4507ea8f4715db95c7a

Download Submit