tinba | a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209

General

Target

a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe
Size

45KB
MD5

1f15ce7095ad2016ad1dceb44270452b
SHA1

82af052aadc9a6038cbbcda2328fbe7e69e86267
SHA256

a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209
SHA512

5efaedb4438429b024b05f259b0e782dda5f0a4e28588e8404dd6945ade95f6ae1626a877628c1f286c8352c7c66d7cc09267349a92fbea3f3a870c09ffeee29
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:jsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\79BF21C8 = "C:\\Users\\Admin\\AppData\\Roaming\\79BF21C8\\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/1256-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3552	4428	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	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4428	winver.exe
4428	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4428	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3456	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 4428	1256	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe	85
PID 1256 wrote to memory of 4428	1256	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe	85
PID 1256 wrote to memory of 4428	1256	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe	85
PID 1256 wrote to memory of 4428	1256	a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe	85
PID 4428 wrote to memory of 3456	4428	winver.exe	56
PID 4428 wrote to memory of 2676	4428	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2676

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3456
- C:\Users\Admin\AppData\Local\Temp\a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe
  "C:\Users\Admin\AppData\Local\Temp\a9b7753e0ffd75c4ad1dbbd490beaaa1b49af967d9a272abe425a66ae2b3b209.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1256
- - 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:4428
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 352
      4⤵
      Program crash
      PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4428 -ip 4428
1⤵
PID:1068

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

Replay Monitor

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Downloads

memory/1256-4-0x0000000002420000-0x0000000002E20000-memory.dmp

Filesize
10.0MB

Download
memory/1256-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/1256-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1256-9-0x0000000002420000-0x0000000002E20000-memory.dmp

Filesize
10.0MB

Download
memory/1256-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2676-14-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2676-16-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2676-17-0x00007FF927A30000-0x00007FF927A31000-memory.dmp

Filesize
4KB

Download
memory/3456-6-0x00007FF9278AD000-0x00007FF9278AE000-memory.dmp

Filesize
4KB

Download
memory/3456-3-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3456-10-0x00007FF927A40000-0x00007FF927A41000-memory.dmp

Filesize
4KB

Download
memory/3456-2-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/4428-5-0x0000000077072000-0x0000000077073000-memory.dmp

Filesize
4KB

Download
memory/4428-7-0x00007FF927810000-0x00007FF927A05000-memory.dmp

Filesize
2.0MB

Download
memory/4428-12-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/4428-15-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads