tinba | b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13

General

Target

b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe
Size

160KB
MD5

231109d85481022566878059902f0989
SHA1

c6ebe76a4a7d8dcaef87bce64ef9eef179355fc4
SHA256

b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13
SHA512

74008376fbb86ba4c65e7880f977a22eef21346ce4cb2e4bf2309d26f0fa30d9a4513630d11b65a63d1bba955f7ae523e3f0baa159e1d586f84d569b52bdaa4a
SSDEEP

1536:3EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:UY+4MiIkLZJNAQ9J6ve

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-1-5-21-2278412438-3475196406-3686434223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\825043DA = "C:\\Users\\Admin\\AppData\\Roaming\\825043DA\\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/3096-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4796	3952	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3952	winver.exe
3952	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3952	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 3952	3096	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe	85
PID 3096 wrote to memory of 3952	3096	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe	85
PID 3096 wrote to memory of 3952	3096	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe	85
PID 3096 wrote to memory of 3952	3096	b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe	85
PID 3952 wrote to memory of 3444	3952	winver.exe	56
PID 3952 wrote to memory of 2892	3952	winver.exe	49

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2892

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe
  "C:\Users\Admin\AppData\Local\Temp\b721853234d5d375255abd9fa3ebdeea33da8679d3c2a9fe38f8e4b7c47e2b13.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3096
- - 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:3952
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 352
      4⤵
      Program crash
      PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3952 -ip 3952
1⤵
PID:1368

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/2892-15-0x00007FFAF5DAD000-0x00007FFAF5DAE000-memory.dmp

Filesize
4KB

Download
memory/2892-17-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/2892-14-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/3096-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3096-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3096-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3096-10-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3096-1-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/3444-7-0x00007FFAF5DAC000-0x00007FFAF5DAD000-memory.dmp

Filesize
4KB

Download
memory/3444-6-0x00007FFAF5DAD000-0x00007FFAF5DAE000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000000E00000-0x0000000000E06000-memory.dmp

Filesize
24KB

Download
memory/3952-5-0x0000000077292000-0x0000000077293000-memory.dmp

Filesize
4KB

Download
memory/3952-8-0x00007FFAF5D10000-0x00007FFAF5F05000-memory.dmp

Filesize
2.0MB

Download
memory/3952-12-0x0000000001110000-0x0000000001116000-memory.dmp

Filesize
24KB

Download
memory/3952-16-0x0000000001110000-0x0000000001116000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads