tinba | 479e1f43408dfa398846c7c40729c594f23023683e068afd4ef25c489e59e2a2

General

Target

479e1f43408dfa398846c7c40729c594f23023683e068afd4ef25c489e59e2a2.exe
Size

110KB
MD5

ec212b51c43aeb402b866191ed0b2552
SHA1

933936dcbd9fa4ff2f5eccf6bc8450aff1878cd1
SHA256

479e1f43408dfa398846c7c40729c594f23023683e068afd4ef25c489e59e2a2
SHA512

a63a9d89ef3e376f7c58e7345c5f60ea965be045178c08da1e8032c39c5c7a0c263764fe064f6d9f4b3985b9a5cc04344f0c48ffc837973bfabaee413e7f1744
SSDEEP

1536:LiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:LiyvRmDLs/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-1-5-21-2211717155-842865201-3404093980-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\56891E42 = "C:\\Users\\Admin\\AppData\\Roaming\\56891E42\\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/3292-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4968	5116	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	479e1f43408dfa398846c7c40729c594f23023683e068afd4ef25c489e59e2a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5116	winver.exe
5116	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5116	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3396	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 5116	3292	479e1f43408dfa398846c7c40729c594f23023683e068afd4ef25c489e59e2a2.exe	85
PID 3292 wrote to memory of 5116	3292	479e1f43408dfa398846c7c40729c594f23023683e068afd4ef25c489e59e2a2.exe	85
PID 3292 wrote to memory of 5116	3292	479e1f43408dfa398846c7c40729c594f23023683e068afd4ef25c489e59e2a2.exe	85
PID 3292 wrote to memory of 5116	3292	479e1f43408dfa398846c7c40729c594f23023683e068afd4ef25c489e59e2a2.exe	85
PID 5116 wrote to memory of 3396	5116	winver.exe	56
PID 5116 wrote to memory of 3020	5116	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3020

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3396
- C:\Users\Admin\AppData\Local\Temp\479e1f43408dfa398846c7c40729c594f23023683e068afd4ef25c489e59e2a2.exe
  "C:\Users\Admin\AppData\Local\Temp\479e1f43408dfa398846c7c40729c594f23023683e068afd4ef25c489e59e2a2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3292
- - 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:5116
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 352
      4⤵
      Program crash
      PID:4968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5116 -ip 5116
1⤵
PID:4648

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/3020-15-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

Filesize
24KB

Download
memory/3292-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3292-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3292-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3292-4-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/3292-10-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/3396-3-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download
memory/3396-7-0x00007FF9C53AD000-0x00007FF9C53AE000-memory.dmp

Filesize
4KB

Download
memory/3396-13-0x00007FF9C5540000-0x00007FF9C5541000-memory.dmp

Filesize
4KB

Download
memory/3396-2-0x00000000010B0000-0x00000000010B6000-memory.dmp

Filesize
24KB

Download
memory/5116-5-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/5116-8-0x00007FF9C5310000-0x00007FF9C5505000-memory.dmp

Filesize
2.0MB

Download
memory/5116-6-0x0000000077822000-0x0000000077823000-memory.dmp

Filesize
4KB

Download
memory/5116-16-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads