tinba | 09c2eab13f9ba5ccbc03bc893531a38be393cfce5bd58fd8402209838ef9123b

Analysis

max time kernel
118s
max time network
116s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 09:50

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General

Target

16460ed181bd4938197de8d30388beb0N.exe
Size

45KB
MD5

16460ed181bd4938197de8d30388beb0
SHA1

95ce0dea28162b1fc5e66b4f248f848093b58830
SHA256

09c2eab13f9ba5ccbc03bc893531a38be393cfce5bd58fd8402209838ef9123b
SHA512

938cb1fa9577625caa4b36b93340b85e8ec5ebd81dc83e51e7bea794d2d8bfa1dcfed15c648c06881f5c9c72915c308fa11252044f565071d53604d347d0dcd9
SSDEEP

768:4hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:EsWE9N5dFu53dsniQaB/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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2160-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\9DF4AF90 = "C:\\Users\\Admin\\AppData\\Roaming\\9DF4AF90\\bin.exe"	winver.exe

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	16460ed181bd4938197de8d30388beb0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2792	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2792	2160	16460ed181bd4938197de8d30388beb0N.exe	31
PID 2160 wrote to memory of 2792	2160	16460ed181bd4938197de8d30388beb0N.exe	31
PID 2160 wrote to memory of 2792	2160	16460ed181bd4938197de8d30388beb0N.exe	31
PID 2160 wrote to memory of 2792	2160	16460ed181bd4938197de8d30388beb0N.exe	31
PID 2160 wrote to memory of 2792	2160	16460ed181bd4938197de8d30388beb0N.exe	31
PID 2792 wrote to memory of 1236	2792	winver.exe	21
PID 2792 wrote to memory of 1116	2792	winver.exe	19
PID 2792 wrote to memory of 1168	2792	winver.exe	20
PID 2792 wrote to memory of 1236	2792	winver.exe	21
PID 2792 wrote to memory of 1636	2792	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\16460ed181bd4938197de8d30388beb0N.exe
  "C:\Users\Admin\AppData\Local\Temp\16460ed181bd4938197de8d30388beb0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - 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:2792

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1636

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/1116-26-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x0000000076FE1000-0x0000000076FE2000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1168-29-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1236-28-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/1236-4-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1236-10-0x0000000076FE1000-0x0000000076FE2000-memory.dmp

Filesize
4KB

Download
memory/1236-2-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1236-22-0x0000000002480000-0x0000000002486000-memory.dmp

Filesize
24KB

Download
memory/1636-25-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1636-31-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1636-30-0x0000000076FE1000-0x0000000076FE2000-memory.dmp

Filesize
4KB

Download
memory/2160-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2160-13-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2160-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2160-5-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2160-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2792-11-0x0000000076F90000-0x0000000077139000-memory.dmp

Filesize
1.7MB

Download
memory/2792-9-0x000000007718F000-0x0000000077191000-memory.dmp

Filesize
8KB

Download
memory/2792-8-0x000000007718F000-0x0000000077190000-memory.dmp

Filesize
4KB

Download
memory/2792-7-0x0000000077190000-0x0000000077191000-memory.dmp

Filesize
4KB

Download
memory/2792-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2792-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download