tinba | d89564d282d4b3b809698dd8205fc2c58181bfc4a1e00d50aeb8ec8a9f5c885a

General

Target

d89564d282d4b3b809698dd8205fc2c58181bfc4a1e00d50aeb8ec8a9f5c885aN.exe
Size

113KB
MD5

b31a2f406b719a947105e325d02e7c60
SHA1

4283abc67b5a35cb63f6ed8256bfeaa8412ac2a1
SHA256

d89564d282d4b3b809698dd8205fc2c58181bfc4a1e00d50aeb8ec8a9f5c885a
SHA512

c57bd247728b98a62e57c82926105c488ba40b7e587f0bf854a04542a5ea8024ba14321b0e8fde59c29d2f304db348c4791e8448b5e73faf0ed78c4480a00a31
SSDEEP

1536:uiLOvRmmQegJfBbmAQ256/ZrwWhwqjhurmKFcbL86WV0E:uiyvRmDLs/ZrwWjjAqGcfzWH

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DB9BFB59 = "C:\\Users\\Admin\\AppData\\Roaming\\DB9BFB59\\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/2448-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1872	2008	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	d89564d282d4b3b809698dd8205fc2c58181bfc4a1e00d50aeb8ec8a9f5c885aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2008	winver.exe
2008	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2008	winver.exe
3540	Explorer.EXE
3540	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3540	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2008	2448	d89564d282d4b3b809698dd8205fc2c58181bfc4a1e00d50aeb8ec8a9f5c885aN.exe	85
PID 2448 wrote to memory of 2008	2448	d89564d282d4b3b809698dd8205fc2c58181bfc4a1e00d50aeb8ec8a9f5c885aN.exe	85
PID 2448 wrote to memory of 2008	2448	d89564d282d4b3b809698dd8205fc2c58181bfc4a1e00d50aeb8ec8a9f5c885aN.exe	85
PID 2448 wrote to memory of 2008	2448	d89564d282d4b3b809698dd8205fc2c58181bfc4a1e00d50aeb8ec8a9f5c885aN.exe	85
PID 2008 wrote to memory of 3540	2008	winver.exe	56
PID 2008 wrote to memory of 2760	2008	winver.exe	47

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2760

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:3540
- C:\Users\Admin\AppData\Local\Temp\d89564d282d4b3b809698dd8205fc2c58181bfc4a1e00d50aeb8ec8a9f5c885aN.exe
  "C:\Users\Admin\AppData\Local\Temp\d89564d282d4b3b809698dd8205fc2c58181bfc4a1e00d50aeb8ec8a9f5c885aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2448
- - 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:2008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 352
      4⤵
      Program crash
      PID:1872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2008 -ip 2008
1⤵
PID:2340

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/2008-5-0x00000000773F2000-0x00000000773F3000-memory.dmp

Filesize
4KB

Download
memory/2008-16-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/2008-13-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/2008-7-0x00007FF900C50000-0x00007FF900E45000-memory.dmp

Filesize
2.0MB

Download
memory/2448-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2448-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/2448-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2448-10-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/2448-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/2760-15-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3540-6-0x00007FF900CED000-0x00007FF900CEE000-memory.dmp

Filesize
4KB

Download
memory/3540-2-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3540-8-0x00007FF900E80000-0x00007FF900E81000-memory.dmp

Filesize
4KB

Download
memory/3540-11-0x00007FF900E60000-0x00007FF900E61000-memory.dmp

Filesize
4KB

Download
memory/3540-3-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads