tinba | 77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e

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
04-12-2024 01:49

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General

Target

77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e.exe
Size

45KB
MD5

5a669e90fec9e8af5f97785f896a338a
SHA1

e4493b9fda780fcd696fcf7141f2f9a8f58993a4
SHA256

77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e
SHA512

18715d6fbcdffce555eef9ac2f9ea41fd8ac4c81343a629cefa6aca739a6443d22a0ca35e983d33b03b0cb54886ebdd49721349ea6dda71ee2006cb757ddbc2e
SSDEEP

768:zhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:lsWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\1BD22F72 = "C:\\Users\\Admin\\AppData\\Roaming\\1BD22F72\\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/2516-0-0x0000000000400000-0x000000000041D000-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	77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2248	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2248	2516	77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e.exe	31
PID 2516 wrote to memory of 2248	2516	77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e.exe	31
PID 2516 wrote to memory of 2248	2516	77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e.exe	31
PID 2516 wrote to memory of 2248	2516	77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e.exe	31
PID 2516 wrote to memory of 2248	2516	77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e.exe	31
PID 2248 wrote to memory of 1216	2248	winver.exe	21
PID 2248 wrote to memory of 1112	2248	winver.exe	19
PID 2248 wrote to memory of 1168	2248	winver.exe	20
PID 2248 wrote to memory of 1216	2248	winver.exe	21
PID 2248 wrote to memory of 1068	2248	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e.exe
  "C:\Users\Admin\AppData\Local\Temp\77320cab4839bcaba700e036bf6ab5b488e36d730188e6567f52bce0d200d91e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - 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:2248

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1068

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/1068-29-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1068-30-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1068-24-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1112-25-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1216-28-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1216-22-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/2248-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2248-11-0x0000000076D60000-0x0000000076F09000-memory.dmp

Filesize
1.7MB

Download
memory/2248-9-0x0000000076F5F000-0x0000000076F61000-memory.dmp

Filesize
8KB

Download
memory/2248-8-0x0000000076F5F000-0x0000000076F60000-memory.dmp

Filesize
4KB

Download
memory/2248-7-0x0000000076F60000-0x0000000076F61000-memory.dmp

Filesize
4KB

Download
memory/2248-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2516-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2516-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2516-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2516-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2516-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download