tinba | ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71

General

Target

ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe
Size

45KB
MD5

690810f393be087ac9c8af76042f5770
SHA1

2a419e0c6ca590da97e1765884cc829c8d805170
SHA256

ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71
SHA512

162c682041b74d872f1f453b4a29d937df066d570b2d2bc5b68f2737fe9369462777858fccc59a43a64ec82aa250177538cc542e3c6fa64f6d6cb03b4a3bbebd
SSDEEP

768:BhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:7sWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4E8FE8BD = "C:\\Users\\Admin\\AppData\\Roaming\\4E8FE8BD\\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/4244-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4848	4504	WerFault.exe	86

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	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4504	winver.exe
4504	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4504	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 4504	4244	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe	86
PID 4244 wrote to memory of 4504	4244	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe	86
PID 4244 wrote to memory of 4504	4244	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe	86
PID 4244 wrote to memory of 4504	4244	ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe	86
PID 4504 wrote to memory of 3540	4504	winver.exe	56
PID 4504 wrote to memory of 2672	4504	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2672

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- C:\Users\Admin\AppData\Local\Temp\ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe
  "C:\Users\Admin\AppData\Local\Temp\ba0818c4f0d8a110057a69a7318edc9e0f7e7fe94d419c4e5eee0d88a6f68d71N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4244
- - 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:4504
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 356
      4⤵
      Program crash
      PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4504 -ip 4504
1⤵
PID:5076

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/2672-13-0x0000000000010000-0x0000000000016000-memory.dmp

Filesize
24KB

Download
memory/2672-15-0x0000000000010000-0x0000000000016000-memory.dmp

Filesize
24KB

Download
memory/3540-6-0x00007FFA261ED000-0x00007FFA261EE000-memory.dmp

Filesize
4KB

Download
memory/3540-2-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download
memory/3540-3-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download
memory/4244-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4244-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4244-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4244-9-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4244-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4504-5-0x0000000077192000-0x0000000077193000-memory.dmp

Filesize
4KB

Download
memory/4504-7-0x00007FFA26150000-0x00007FFA26345000-memory.dmp

Filesize
2.0MB

Download
memory/4504-11-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download
memory/4504-14-0x00000000009C0000-0x00000000009C6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads