tinba | b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304f

General

Target

b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe
Size

49KB
MD5

90cdffde5a6c8b7d151138e740afd190
SHA1

1a805cf261ec08831a6ecbcc875ea9c296908753
SHA256

b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304f
SHA512

7206444839c1c1196013715b26d73100c0949d11b888d667e6457d433c3203596d970469ccf751f79ac1eb9b7661836bf82c83ee792f5b450d11b83c72ff34e9
SSDEEP

1536:XOBLXNqgzf2v6b6NkXklZlogHGe9eBXW:XYLduv6OqXIlogmjW

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B5045907 = "C:\\Users\\Admin\\AppData\\Roaming\\B5045907\\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/3868-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4784	5096	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5096	winver.exe
5096	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5096	winver.exe
3432	Explorer.EXE
3432	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3868 wrote to memory of 5096	3868	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe	84
PID 3868 wrote to memory of 5096	3868	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe	84
PID 3868 wrote to memory of 5096	3868	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe	84
PID 3868 wrote to memory of 5096	3868	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe	84
PID 5096 wrote to memory of 3432	5096	winver.exe	56
PID 5096 wrote to memory of 3000	5096	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3000

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3432
- C:\Users\Admin\AppData\Local\Temp\b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe
  "C:\Users\Admin\AppData\Local\Temp\b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3868
- - 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:5096
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 356
      4⤵
      Program crash
      PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5096 -ip 5096
1⤵
PID:3156

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

Replay Monitor

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Downloads

memory/3000-16-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3432-11-0x00007FFE828C0000-0x00007FFE828C1000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/3432-12-0x00007FFE828A0000-0x00007FFE828A1000-memory.dmp

Filesize
4KB

Download
memory/3432-7-0x00007FFE8272C000-0x00007FFE8272D000-memory.dmp

Filesize
4KB

Download
memory/3432-6-0x00007FFE8272D000-0x00007FFE8272E000-memory.dmp

Filesize
4KB

Download
memory/3868-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/3868-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3868-10-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/3868-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3868-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/5096-8-0x00007FFE82690000-0x00007FFE82885000-memory.dmp

Filesize
2.0MB

Download
memory/5096-5-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/5096-14-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/5096-17-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads