tinba | 36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35

General

Target

36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe
Size

89KB
MD5

2e678e6b62adadbf51923b89598e52d0
SHA1

727cf1a7a28a17916e66aae82bad9d8fc64cfa37
SHA256

36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35
SHA512

b16f2b23f7bb0dfa64c003860cb208b671ea52aa719e1cb9bb75133457b2312ba66d6115522628dae0e88cd6d56d6b4458ccde4d049bf06ec2829ba9d815197d
SSDEEP

1536:y1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:a+4MJIkLZJNAQ9Jo9e

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DA95A48B = "C:\\Users\\Admin\\AppData\\Roaming\\DA95A48B\\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/3860-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1744	2408	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	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2408	winver.exe
2408	winver.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2408	winver.exe
3440	Explorer.EXE
3440	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3860 wrote to memory of 2408	3860	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe	84
PID 3860 wrote to memory of 2408	3860	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe	84
PID 3860 wrote to memory of 2408	3860	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe	84
PID 3860 wrote to memory of 2408	3860	36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe	84
PID 2408 wrote to memory of 3440	2408	winver.exe	56
PID 2408 wrote to memory of 2620	2408	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2620

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3440
- C:\Users\Admin\AppData\Local\Temp\36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe
  "C:\Users\Admin\AppData\Local\Temp\36946b6ed48733c40af0e2bfb4542848ec61ffd46527984f3ff666fec04bef35N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3860
- - 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:2408
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 352
      4⤵
      Program crash
      PID:1744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2408 -ip 2408
1⤵
PID:3956

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/2408-17-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/2408-5-0x0000000077B62000-0x0000000077B63000-memory.dmp

Filesize
4KB

Download
memory/2408-7-0x00007FF9BBBD0000-0x00007FF9BBDC5000-memory.dmp

Filesize
2.0MB

Download
memory/2408-14-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/2620-16-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3440-12-0x00007FF9BBDE0000-0x00007FF9BBDE1000-memory.dmp

Filesize
4KB

Download
memory/3440-3-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/3440-2-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/3440-6-0x00007FF9BBC6D000-0x00007FF9BBC6E000-memory.dmp

Filesize
4KB

Download
memory/3440-8-0x00007FF9BBE00000-0x00007FF9BBE01000-memory.dmp

Filesize
4KB

Download
memory/3860-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/3860-11-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/3860-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3860-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3860-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads