tinba | f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5d

General

Target

f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe
Size

89KB
MD5

054cc9abc8d6a0a52d7f40dc33dd28d0
SHA1

1c166ae84e99f6c5a6a4ce650d43e278012260f1
SHA256

f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5d
SHA512

33dfff3ce9a24d49416caffd187bae7f651c19dbd82f0f38bda6f6278fb1ee7538fa49654de1cf06e1a27ba5b5788aae4eb39468942099f5868722ac044ffe58
SSDEEP

1536:h1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:r+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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BE5D9556 = "C:\\Users\\Admin\\AppData\\Roaming\\BE5D9556\\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/736-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4684	3660	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	f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.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
3660	winver.exe
3660	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3660	winver.exe
3464	Explorer.EXE
3464	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3464	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 3660	736	f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe	85
PID 736 wrote to memory of 3660	736	f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe	85
PID 736 wrote to memory of 3660	736	f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe	85
PID 736 wrote to memory of 3660	736	f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe	85
PID 3660 wrote to memory of 3464	3660	winver.exe	56
PID 3660 wrote to memory of 2944	3660	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2944

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:3464
- C:\Users\Admin\AppData\Local\Temp\f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe
  "C:\Users\Admin\AppData\Local\Temp\f215eff820c71d9a197aa89262ef08f0cf487b0249c957a84475faf7f9a6ef5dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:736
- - 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:3660
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 352
      4⤵
      Program crash
      PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3660 -ip 3660
1⤵
PID:5096

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/736-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/736-1-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/736-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/736-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/736-11-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2944-16-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3464-2-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/3464-8-0x00007FFD54120000-0x00007FFD54121000-memory.dmp

Filesize
4KB

Download
memory/3464-6-0x00007FFD53F8D000-0x00007FFD53F8E000-memory.dmp

Filesize
4KB

Download
memory/3464-12-0x00007FFD54100000-0x00007FFD54101000-memory.dmp

Filesize
4KB

Download
memory/3464-3-0x0000000000D60000-0x0000000000D66000-memory.dmp

Filesize
24KB

Download
memory/3660-5-0x0000000076ED2000-0x0000000076ED3000-memory.dmp

Filesize
4KB

Download
memory/3660-7-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3660-14-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/3660-17-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads