tinba | 28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5

General

Target

28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe
Size

110KB
MD5

c9a0bc301c5edd374a874bce25a5b4f0
SHA1

7c723cb743555d807fe60cd9ad045edb90901a96
SHA256

28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5
SHA512

805aa24130537081c3d506a26e450a4fe5b902b616debf48785af3ed62b574525eeb0e7c6b61a3e893919de73518d1a5393facc1c34083c61c003bcbb73e9780
SSDEEP

1536:1iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:1iyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\629C9D08 = "C:\\Users\\Admin\\AppData\\Roaming\\629C9D08\\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/100-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1564	4840	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	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.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
4840	winver.exe
4840	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4840	winver.exe
3404	Explorer.EXE
3404	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3404	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 100 wrote to memory of 4840	100	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe	85
PID 100 wrote to memory of 4840	100	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe	85
PID 100 wrote to memory of 4840	100	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe	85
PID 100 wrote to memory of 4840	100	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe	85
PID 4840 wrote to memory of 3404	4840	winver.exe	56
PID 4840 wrote to memory of 2832	4840	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

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:3404
- C:\Users\Admin\AppData\Local\Temp\28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe
  "C:\Users\Admin\AppData\Local\Temp\28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:100
- - 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:4840
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 356
      4⤵
      Program crash
      PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4840 -ip 4840
1⤵
PID:4908

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/100-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/100-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/100-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/100-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/100-10-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/2832-18-0x00007FFC4C610000-0x00007FFC4C611000-memory.dmp

Filesize
4KB

Download
memory/2832-15-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3404-2-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3404-7-0x00007FFC4C620000-0x00007FFC4C621000-memory.dmp

Filesize
4KB

Download
memory/3404-11-0x00007FFC4C600000-0x00007FFC4C601000-memory.dmp

Filesize
4KB

Download
memory/3404-5-0x00007FFC4C48D000-0x00007FFC4C48E000-memory.dmp

Filesize
4KB

Download
memory/3404-3-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/4840-6-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/4840-13-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/4840-16-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads