tinba | b5ceed871db266908b34a26159db6a5626971808eaa30a128401fbba2be8e690

General

Target

b5ceed871db266908b34a26159db6a5626971808eaa30a128401fbba2be8e690N.exe
Size

34KB
MD5

c55dd47c8a8fea1745d1588a6bee4330
SHA1

097455ff415dd9f821d8fea30a5e475fb2d823a1
SHA256

b5ceed871db266908b34a26159db6a5626971808eaa30a128401fbba2be8e690
SHA512

92f505b4bbdcf6b85b6b58a92f3ad188a2f35c9c42fbbf6457aa2ed17a9dcf064cd63e0c21cb14a747e48d4ffa79aa1fc5d31bec323bf623972ac3b2ee2042e8
SSDEEP

768:1p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:1pYoX58z1uirL98xMWnT0OQ9J2

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

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F71112F0 = "C:\\Users\\Admin\\AppData\\Roaming\\F71112F0\\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/4376-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2180	1792	WerFault.exe	85

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	b5ceed871db266908b34a26159db6a5626971808eaa30a128401fbba2be8e690N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1792	winver.exe
1792	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1792	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3532	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 1792	4376	b5ceed871db266908b34a26159db6a5626971808eaa30a128401fbba2be8e690N.exe	85
PID 4376 wrote to memory of 1792	4376	b5ceed871db266908b34a26159db6a5626971808eaa30a128401fbba2be8e690N.exe	85
PID 4376 wrote to memory of 1792	4376	b5ceed871db266908b34a26159db6a5626971808eaa30a128401fbba2be8e690N.exe	85
PID 4376 wrote to memory of 1792	4376	b5ceed871db266908b34a26159db6a5626971808eaa30a128401fbba2be8e690N.exe	85
PID 1792 wrote to memory of 3532	1792	winver.exe	56
PID 1792 wrote to memory of 2532	1792	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2532

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3532
- C:\Users\Admin\AppData\Local\Temp\b5ceed871db266908b34a26159db6a5626971808eaa30a128401fbba2be8e690N.exe
  "C:\Users\Admin\AppData\Local\Temp\b5ceed871db266908b34a26159db6a5626971808eaa30a128401fbba2be8e690N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4376
- - 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:1792
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 352
      4⤵
      Program crash
      PID:2180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1792 -ip 1792
1⤵
PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1792-5-0x00000000777D2000-0x00000000777D3000-memory.dmp

Filesize
4KB

Download
memory/1792-15-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/1792-12-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/1792-7-0x00007FFFFB530000-0x00007FFFFB725000-memory.dmp

Filesize
2.0MB

Download
memory/2532-16-0x0000000000C40000-0x0000000000C46000-memory.dmp

Filesize
24KB

Download
memory/2532-14-0x0000000000C40000-0x0000000000C46000-memory.dmp

Filesize
24KB

Download
memory/3532-2-0x0000000001370000-0x0000000001376000-memory.dmp

Filesize
24KB

Download
memory/3532-6-0x00007FFFFB5CD000-0x00007FFFFB5CE000-memory.dmp

Filesize
4KB

Download
memory/3532-8-0x00007FFFFB760000-0x00007FFFFB761000-memory.dmp

Filesize
4KB

Download
memory/3532-3-0x0000000001370000-0x0000000001376000-memory.dmp

Filesize
24KB

Download
memory/4376-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4376-10-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/4376-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/4376-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4376-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads