tinba | f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 11:31

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General

Target

f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377N.exe
Size

45KB
MD5

b6f35fbe13d459d2b607e44dec0567a0
SHA1

9dfadb85a3594e9c404d4eb31965855eeb5f8872
SHA256

f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377
SHA512

892194c9ed6fdbc24d288cc8f05479d294fd8fb87d75b99be3267410f0eff0d94e45c01e6348c6d07f92f897cec741fb89ac5f5cb800c8455fc9267cf465b9d7
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:/sWE9N5dFu53dsniQaB/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
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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\939833C6 = "C:\\Users\\Admin\\AppData\\Roaming\\939833C6\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2844-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1924	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 1924	2844	f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377N.exe	29
PID 2844 wrote to memory of 1924	2844	f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377N.exe	29
PID 2844 wrote to memory of 1924	2844	f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377N.exe	29
PID 2844 wrote to memory of 1924	2844	f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377N.exe	29
PID 2844 wrote to memory of 1924	2844	f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377N.exe	29
PID 1924 wrote to memory of 1116	1924	winver.exe	20
PID 1924 wrote to memory of 1052	1924	winver.exe	17
PID 1924 wrote to memory of 1088	1924	winver.exe	19
PID 1924 wrote to memory of 1116	1924	winver.exe	20
PID 1924 wrote to memory of 1708	1924	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1052

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1116
- C:\Users\Admin\AppData\Local\Temp\f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377N.exe
  "C:\Users\Admin\AppData\Local\Temp\f4a30653a4e49306ce7c6bd8140b35688bce6a3901ca83dc1331e6d4606d6377N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2844
- - 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:1924

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1052-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1052-27-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1052-25-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1052-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1088-28-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1088-19-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1088-32-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-10-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1116-2-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1116-24-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1116-3-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1116-4-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1116-34-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1708-29-0x00000000022E0000-0x00000000022E6000-memory.dmp

Filesize
24KB

Download
memory/1708-30-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1708-23-0x00000000022E0000-0x00000000022E6000-memory.dmp

Filesize
24KB

Download
memory/1924-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1924-7-0x00000000777F0000-0x00000000777F1000-memory.dmp

Filesize
4KB

Download
memory/1924-8-0x00000000777EF000-0x00000000777F0000-memory.dmp

Filesize
4KB

Download
memory/1924-9-0x00000000777EF000-0x00000000777F1000-memory.dmp

Filesize
8KB

Download
memory/1924-11-0x00000000775F0000-0x0000000077799000-memory.dmp

Filesize
1.7MB

Download
memory/1924-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2844-13-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2844-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2844-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2844-5-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2844-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download