tinba | 74863ea03f72f586b92d73efbfdfb467e00357b9fd9fb8384601ad2f36305630

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
08/01/2024, 20:09

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General

Target

22dc4a1a65c08df3fbb0c28f0cde5439.exe
Size

589KB
MD5

22dc4a1a65c08df3fbb0c28f0cde5439
SHA1

643fae9ffc926cdc3b629f538a967e4923dddda7
SHA256

74863ea03f72f586b92d73efbfdfb467e00357b9fd9fb8384601ad2f36305630
SHA512

621176eebb0ff11b40988239d9959f34b346c5c491cdd55bf3c94205776201665e0144b3db9b70d87f51e4d86d4339fd46c7dda28f7a6cee174a88cb3b65dcd1
SSDEEP

6144:RCE6/mUXJ531nIUliViSZbLhaZfvMlLXICg2vj7OyzWxzRazUE1K52u8iqUNr63:b6TOUMBQf0ljW2vj7OyzoRaA+ei

Score

10^/10

tinba banker persistence trojan

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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\667A477B = "C:\\Users\\Admin\\AppData\\Roaming\\667A477B\\bin.exe"	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe
2260	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2260	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1932	22dc4a1a65c08df3fbb0c28f0cde5439.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2260	1932	22dc4a1a65c08df3fbb0c28f0cde5439.exe	28
PID 1932 wrote to memory of 2260	1932	22dc4a1a65c08df3fbb0c28f0cde5439.exe	28
PID 1932 wrote to memory of 2260	1932	22dc4a1a65c08df3fbb0c28f0cde5439.exe	28
PID 1932 wrote to memory of 2260	1932	22dc4a1a65c08df3fbb0c28f0cde5439.exe	28
PID 1932 wrote to memory of 2260	1932	22dc4a1a65c08df3fbb0c28f0cde5439.exe	28
PID 2260 wrote to memory of 1208	2260	winver.exe	18
PID 2260 wrote to memory of 1108	2260	winver.exe	19
PID 2260 wrote to memory of 1172	2260	winver.exe	12
PID 2260 wrote to memory of 1208	2260	winver.exe	18
PID 2260 wrote to memory of 544	2260	winver.exe	13

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\22dc4a1a65c08df3fbb0c28f0cde5439.exe
  "C:\Users\Admin\AppData\Local\Temp\22dc4a1a65c08df3fbb0c28f0cde5439.exe"
  2⤵
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2260

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/544-29-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download
memory/544-32-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/544-31-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download
memory/1108-22-0x00000000004D0000-0x00000000004D7000-memory.dmp

Filesize
28KB

Download
memory/1108-19-0x00000000004D0000-0x00000000004D7000-memory.dmp

Filesize
28KB

Download
memory/1108-24-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1172-21-0x0000000001AC0000-0x0000000001AC7000-memory.dmp

Filesize
28KB

Download
memory/1172-26-0x0000000001AC0000-0x0000000001AC7000-memory.dmp

Filesize
28KB

Download
memory/1208-13-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1208-9-0x0000000002150000-0x0000000002157000-memory.dmp

Filesize
28KB

Download
memory/1208-5-0x0000000002150000-0x0000000002157000-memory.dmp

Filesize
28KB

Download
memory/1208-3-0x0000000002150000-0x0000000002157000-memory.dmp

Filesize
28KB

Download
memory/1208-25-0x0000000002160000-0x0000000002167000-memory.dmp

Filesize
28KB

Download
memory/1208-30-0x0000000002160000-0x0000000002167000-memory.dmp

Filesize
28KB

Download
memory/1932-0-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1932-4-0x0000000002110000-0x0000000002B10000-memory.dmp

Filesize
10.0MB

Download
memory/1932-16-0x0000000000400000-0x0000000000404A00-memory.dmp

Filesize
18KB

Download
memory/1932-17-0x0000000002110000-0x0000000002B10000-memory.dmp

Filesize
10.0MB

Download
memory/1932-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/1932-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2260-11-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download
memory/2260-15-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2260-14-0x00000000006A0000-0x00000000006B6000-memory.dmp

Filesize
88KB

Download
memory/2260-12-0x0000000077C50000-0x0000000077C51000-memory.dmp

Filesize
4KB

Download
memory/2260-10-0x0000000077C4F000-0x0000000077C51000-memory.dmp

Filesize
8KB

Download
memory/2260-7-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download
memory/2260-8-0x0000000077C4F000-0x0000000077C50000-memory.dmp

Filesize
4KB

Download
memory/2260-6-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download
memory/2260-33-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2260-39-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download