tinba | a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9

General

Target

a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe
Size

89KB
MD5

8a824aad22835951d80fd45719e0b590
SHA1

bb1ba16ddb81f21c609367425432f35eb585561b
SHA256

a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9
SHA512

48f36307eba9d16973a47c09914ffe0faf1a7f2da16e34d14b258931d8b216dd762cbefc79eda0a7be68b9e804ef2f077727094df80c77b8cb2497ffa84c374f
SSDEEP

1536:B1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:L+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-1-5-21-100612193-3312047696-905266872-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\022F06C8 = "C:\\Users\\Admin\\AppData\\Roaming\\022F06C8\\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/4336-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3336	4016	WerFault.exe	86

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	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4016	winver.exe
4016	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4016	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3420	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 4016	4336	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe	86
PID 4336 wrote to memory of 4016	4336	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe	86
PID 4336 wrote to memory of 4016	4336	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe	86
PID 4336 wrote to memory of 4016	4336	a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe	86
PID 4016 wrote to memory of 3420	4016	winver.exe	56
PID 4016 wrote to memory of 2572	4016	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2572

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3420
- C:\Users\Admin\AppData\Local\Temp\a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe
  "C:\Users\Admin\AppData\Local\Temp\a540fd5ad699ba6258000f835aeaf9226c5e790d69eda271c80f94b4199d4df9N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4336
- - 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:4016
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 352
      4⤵
      Program crash
      PID:3336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4016 -ip 4016
1⤵
PID:4320

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/2572-16-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/3420-6-0x00007FFB2658D000-0x00007FFB2658E000-memory.dmp

Filesize
4KB

Download
memory/3420-2-0x0000000000A70000-0x0000000000A76000-memory.dmp

Filesize
24KB

Download
memory/3420-3-0x0000000000A70000-0x0000000000A76000-memory.dmp

Filesize
24KB

Download
memory/3420-9-0x00007FFB26720000-0x00007FFB26721000-memory.dmp

Filesize
4KB

Download
memory/3420-7-0x00007FFB2658C000-0x00007FFB2658D000-memory.dmp

Filesize
4KB

Download
memory/4016-8-0x00007FFB264F0000-0x00007FFB266E5000-memory.dmp

Filesize
2.0MB

Download
memory/4016-5-0x00000000777D2000-0x00000000777D3000-memory.dmp

Filesize
4KB

Download
memory/4016-14-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/4016-17-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/4336-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4336-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/4336-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4336-12-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/4336-1-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads