tinba | 11d4e995678b93bc7680c5ead0ba0f69adfe131dbdc0462158f52548c90f1438

General

Target

11d4e995678b93bc7680c5ead0ba0f69adfe131dbdc0462158f52548c90f1438N.exe
Size

45KB
MD5

a0539538eaae5e62add4f84891d4b170
SHA1

4702966ea4672a5e9dc4167c463f6673ab12a607
SHA256

11d4e995678b93bc7680c5ead0ba0f69adfe131dbdc0462158f52548c90f1438
SHA512

6ba97a1df66b9e0673153333155039124f0788d8d99c78e6479311e71e6dc7298b7b240b55c1f183ac54a2087924ffbac03038f2fcb37542caa43477d59fc406
SSDEEP

768:qhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:GsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E007C3F8 = "C:\\Users\\Admin\\AppData\\Roaming\\E007C3F8\\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/3780-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4792	4916	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	11d4e995678b93bc7680c5ead0ba0f69adfe131dbdc0462158f52548c90f1438N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4916	winver.exe
4916	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4916	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3460	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 4916	3780	11d4e995678b93bc7680c5ead0ba0f69adfe131dbdc0462158f52548c90f1438N.exe	84
PID 3780 wrote to memory of 4916	3780	11d4e995678b93bc7680c5ead0ba0f69adfe131dbdc0462158f52548c90f1438N.exe	84
PID 3780 wrote to memory of 4916	3780	11d4e995678b93bc7680c5ead0ba0f69adfe131dbdc0462158f52548c90f1438N.exe	84
PID 3780 wrote to memory of 4916	3780	11d4e995678b93bc7680c5ead0ba0f69adfe131dbdc0462158f52548c90f1438N.exe	84
PID 4916 wrote to memory of 3460	4916	winver.exe	55
PID 4916 wrote to memory of 2656	4916	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3460
- C:\Users\Admin\AppData\Local\Temp\11d4e995678b93bc7680c5ead0ba0f69adfe131dbdc0462158f52548c90f1438N.exe
  "C:\Users\Admin\AppData\Local\Temp\11d4e995678b93bc7680c5ead0ba0f69adfe131dbdc0462158f52548c90f1438N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3780
- - 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:4916
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 352
      4⤵
      Program crash
      PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4916 -ip 4916
1⤵
PID:4204

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/2656-15-0x00007FF9B636D000-0x00007FF9B636E000-memory.dmp

Filesize
4KB

Download
memory/2656-17-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2656-14-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/3460-8-0x00007FF9B6500000-0x00007FF9B6501000-memory.dmp

Filesize
4KB

Download
memory/3460-6-0x00007FF9B636D000-0x00007FF9B636E000-memory.dmp

Filesize
4KB

Download
memory/3460-2-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/3460-3-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/3780-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3780-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3780-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3780-10-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/3780-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4916-5-0x0000000077512000-0x0000000077513000-memory.dmp

Filesize
4KB

Download
memory/4916-7-0x00007FF9B62D0000-0x00007FF9B64C5000-memory.dmp

Filesize
2.0MB

Download
memory/4916-12-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download
memory/4916-16-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads