tinba | 7d4032936088d9b219c942c08b251474ec0f223ffdd6037ab199975b6ef7a3d7

General

Target

7d4032936088d9b219c942c08b251474ec0f223ffdd6037ab199975b6ef7a3d7N.exe
Size

45KB
MD5

71d1b7c330483ec1c611dbabdf53f810
SHA1

2e834cd20b4b737d03222a8ebcd6d6011c3377c2
SHA256

7d4032936088d9b219c942c08b251474ec0f223ffdd6037ab199975b6ef7a3d7
SHA512

7b1e2425274c3302668587266f3295aeace290d39f30811123fb6eb068f038aa665eb9637fa8da9eea99a46e48752ba5308f2145a66102128d65bf482f9dc411
SSDEEP

768:+hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:SsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-22591836-1183090055-1220658180-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CDFFBCB0 = "C:\\Users\\Admin\\AppData\\Roaming\\CDFFBCB0\\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/4500-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3160	4200	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	7d4032936088d9b219c942c08b251474ec0f223ffdd6037ab199975b6ef7a3d7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4200	winver.exe
4200	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4200	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3512	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 4200	4500	7d4032936088d9b219c942c08b251474ec0f223ffdd6037ab199975b6ef7a3d7N.exe	86
PID 4500 wrote to memory of 4200	4500	7d4032936088d9b219c942c08b251474ec0f223ffdd6037ab199975b6ef7a3d7N.exe	86
PID 4500 wrote to memory of 4200	4500	7d4032936088d9b219c942c08b251474ec0f223ffdd6037ab199975b6ef7a3d7N.exe	86
PID 4500 wrote to memory of 4200	4500	7d4032936088d9b219c942c08b251474ec0f223ffdd6037ab199975b6ef7a3d7N.exe	86
PID 4200 wrote to memory of 3512	4200	winver.exe	56
PID 4200 wrote to memory of 2632	4200	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2632

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3512
- C:\Users\Admin\AppData\Local\Temp\7d4032936088d9b219c942c08b251474ec0f223ffdd6037ab199975b6ef7a3d7N.exe
  "C:\Users\Admin\AppData\Local\Temp\7d4032936088d9b219c942c08b251474ec0f223ffdd6037ab199975b6ef7a3d7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4500
- - 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:4200
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 352
      4⤵
      Program crash
      PID:3160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4200 -ip 4200
1⤵
PID:4532

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/2632-17-0x0000000000A70000-0x0000000000A76000-memory.dmp

Filesize
24KB

Download
memory/2632-15-0x0000000000A70000-0x0000000000A76000-memory.dmp

Filesize
24KB

Download
memory/3512-8-0x00007FFC36000000-0x00007FFC36001000-memory.dmp

Filesize
4KB

Download
memory/3512-3-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

Download
memory/3512-2-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

Download
memory/3512-6-0x00007FFC35E6D000-0x00007FFC35E6E000-memory.dmp

Filesize
4KB

Download
memory/4200-5-0x00000000775F2000-0x00000000775F3000-memory.dmp

Filesize
4KB

Download
memory/4200-7-0x00007FFC35DD0000-0x00007FFC35FC5000-memory.dmp

Filesize
2.0MB

Download
memory/4200-13-0x0000000000A90000-0x0000000000A96000-memory.dmp

Filesize
24KB

Download
memory/4200-16-0x0000000000A90000-0x0000000000A96000-memory.dmp

Filesize
24KB

Download
memory/4500-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4500-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4500-11-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/4500-4-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/4500-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads