tinba | 6155a9bd3f74a3f0a20d808692c79ce7fba07a4c5db268d4897a0d9e94f80330

General

Target

6155a9bd3f74a3f0a20d808692c79ce7fba07a4c5db268d4897a0d9e94f80330.exe
Size

110KB
MD5

c9954b4e768d8a888d89a5677a15e524
SHA1

e433970f32d1d3ab623d1cafec8aed1be2c1b44a
SHA256

6155a9bd3f74a3f0a20d808692c79ce7fba07a4c5db268d4897a0d9e94f80330
SHA512

56d936c83564bcfd9e11b7a7257e23c7f33badea9aafbf152b0b9288060f687800e9209c5a5ae300e6921a11839fff8d4e21bd4904fd59da363bbbccc0208dab
SSDEEP

1536:ziLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:ziyvRmDLs/ZrwWJjAqGcRJ2hQ

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\99A2B474 = "C:\\Users\\Admin\\AppData\\Roaming\\99A2B474\\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/4220-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2512	3928	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	6155a9bd3f74a3f0a20d808692c79ce7fba07a4c5db268d4897a0d9e94f80330.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3928	winver.exe
3928	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
3928	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 3928	4220	6155a9bd3f74a3f0a20d808692c79ce7fba07a4c5db268d4897a0d9e94f80330.exe	84
PID 4220 wrote to memory of 3928	4220	6155a9bd3f74a3f0a20d808692c79ce7fba07a4c5db268d4897a0d9e94f80330.exe	84
PID 4220 wrote to memory of 3928	4220	6155a9bd3f74a3f0a20d808692c79ce7fba07a4c5db268d4897a0d9e94f80330.exe	84
PID 4220 wrote to memory of 3928	4220	6155a9bd3f74a3f0a20d808692c79ce7fba07a4c5db268d4897a0d9e94f80330.exe	84
PID 3928 wrote to memory of 3444	3928	winver.exe	56
PID 3928 wrote to memory of 3076	3928	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3076

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\6155a9bd3f74a3f0a20d808692c79ce7fba07a4c5db268d4897a0d9e94f80330.exe
  "C:\Users\Admin\AppData\Local\Temp\6155a9bd3f74a3f0a20d808692c79ce7fba07a4c5db268d4897a0d9e94f80330.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4220
- - 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:3928
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 352
      4⤵
      Program crash
      PID:2512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3928 -ip 3928
1⤵
PID:4564

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/3076-14-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/3444-7-0x00007FFA3F58C000-0x00007FFA3F58D000-memory.dmp

Filesize
4KB

Download
memory/3444-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3444-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFA3F58D000-0x00007FFA3F58E000-memory.dmp

Filesize
4KB

Download
memory/3928-5-0x0000000077782000-0x0000000077783000-memory.dmp

Filesize
4KB

Download
memory/3928-8-0x00007FFA3F4F0000-0x00007FFA3F6E5000-memory.dmp

Filesize
2.0MB

Download
memory/3928-12-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/3928-15-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/4220-4-0x00000000023D0000-0x0000000002DD0000-memory.dmp

Filesize
10.0MB

Download
memory/4220-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4220-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4220-10-0x00000000023D0000-0x0000000002DD0000-memory.dmp

Filesize
10.0MB

Download
memory/4220-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads