tinba | de216e5ced492f4a68b4dce68d3e2e54ed43acdb6924437862bb739b72a564da

Analysis

max time kernel
106s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 05:28

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General

Target

de216e5ced492f4a68b4dce68d3e2e54ed43acdb6924437862bb739b72a564daN.exe
Size

110KB
MD5

32cacd82117d1d62a156b7b2fa0c4410
SHA1

cbf6f997b6948b11dd11d8f6abb14c55d448cc08
SHA256

de216e5ced492f4a68b4dce68d3e2e54ed43acdb6924437862bb739b72a564da
SHA512

e6e0ba79bfbbd47c62f78bcd538d258acc5fa45e6c71a4dae42771eeaae67c0ccebf4f13b434d702a3ac0b80665c1d8406c28c6497cf50f443f580f509a403f5
SSDEEP

1536:tiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:tiyvRmDLs/ZrwWJjAqGcRJ2hA

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5D144E0E = "C:\\Users\\Admin\\AppData\\Roaming\\5D144E0E\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3588-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3276	1612	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de216e5ced492f4a68b4dce68d3e2e54ed43acdb6924437862bb739b72a564daN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1612	winver.exe
1612	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1612	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 1612	3588	de216e5ced492f4a68b4dce68d3e2e54ed43acdb6924437862bb739b72a564daN.exe	84
PID 3588 wrote to memory of 1612	3588	de216e5ced492f4a68b4dce68d3e2e54ed43acdb6924437862bb739b72a564daN.exe	84
PID 3588 wrote to memory of 1612	3588	de216e5ced492f4a68b4dce68d3e2e54ed43acdb6924437862bb739b72a564daN.exe	84
PID 3588 wrote to memory of 1612	3588	de216e5ced492f4a68b4dce68d3e2e54ed43acdb6924437862bb739b72a564daN.exe	84
PID 1612 wrote to memory of 3436	1612	winver.exe	56
PID 1612 wrote to memory of 3008	1612	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3008

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\de216e5ced492f4a68b4dce68d3e2e54ed43acdb6924437862bb739b72a564daN.exe
  "C:\Users\Admin\AppData\Local\Temp\de216e5ced492f4a68b4dce68d3e2e54ed43acdb6924437862bb739b72a564daN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3588
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1612
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 352
      4⤵
      Program crash
      PID:3276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1612 -ip 1612
1⤵
PID:1544

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

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1612-5-0x0000000077A22000-0x0000000077A23000-memory.dmp

Filesize
4KB

Download
memory/1612-14-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1612-11-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1612-7-0x00007FFB656B0000-0x00007FFB658A5000-memory.dmp

Filesize
2.0MB

Download
memory/3008-13-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFB6574D000-0x00007FFB6574E000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/3588-4-0x00000000023A0000-0x0000000002DA0000-memory.dmp

Filesize
10.0MB

Download
memory/3588-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3588-9-0x00000000023A0000-0x0000000002DA0000-memory.dmp

Filesize
10.0MB

Download
memory/3588-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3588-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download