tinba | 0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 01:58

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General

Target

0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe
Size

89KB
MD5

ecda65e8cbac28b599492b88b6225ba2
SHA1

034bf652609d125197cab71d2c67d903d81f2c4b
SHA256

0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0
SHA512

7f5fbae4a5f5ddc4de09c96e4cc2bf21a7e78f62ad5b82fb12100d4d522ab8f6496b254d355ad577b1d732c8aa8b066373c94785d691aff7a609dbf723f05e4d
SSDEEP

1536:X1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7a:F+4MJIkLZJNAQ9Jo9a

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\AE874E52 = "C:\\Users\\Admin\\AppData\\Roaming\\AE874E52\\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/1520-0-0x0000000000400000-0x0000000000418000-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	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2272	winver.exe
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 2272	1520	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe	31
PID 1520 wrote to memory of 2272	1520	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe	31
PID 1520 wrote to memory of 2272	1520	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe	31
PID 1520 wrote to memory of 2272	1520	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe	31
PID 1520 wrote to memory of 2272	1520	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe	31
PID 2272 wrote to memory of 1284	2272	winver.exe	21
PID 2272 wrote to memory of 1152	2272	winver.exe	19
PID 2272 wrote to memory of 1232	2272	winver.exe	20
PID 2272 wrote to memory of 1284	2272	winver.exe	21
PID 2272 wrote to memory of 1704	2272	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1152

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1232

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1284
- C:\Users\Admin\AppData\Local\Temp\0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe
  "C:\Users\Admin\AppData\Local\Temp\0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1520
- - 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:2272

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1704

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/1152-28-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1152-27-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1232-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1232-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1284-23-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1284-32-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1284-3-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1284-2-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1284-4-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1284-10-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1520-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1520-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/1520-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1520-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/1520-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1704-31-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1704-30-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1704-26-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/2272-7-0x00000000777B0000-0x00000000777B1000-memory.dmp

Filesize
4KB

Download
memory/2272-9-0x00000000777AF000-0x00000000777B1000-memory.dmp

Filesize
8KB

Download
memory/2272-8-0x00000000777AF000-0x00000000777B0000-memory.dmp

Filesize
4KB

Download
memory/2272-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2272-11-0x00000000775B0000-0x0000000077759000-memory.dmp

Filesize
1.7MB

Download
memory/2272-33-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2272-38-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download