tinba | a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7c

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 17:39

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General

Target

a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe
Size

45KB
MD5

8e1fc230fd761fa174ffb860ee3ae470
SHA1

16eb23716841bac187c8e7126510597e9f1cedb6
SHA256

a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7c
SHA512

b4bdb56166292c03fd57dc8b248fe905eae917aafbf2245393bd2d43722d9d3ae613630f6c2c5d46cec0d235adfb14f69334facbfb5643da9b4055fe1f215405
SSDEEP

768:+hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:SsWE9N5dFu53dsniQaB/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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\E150D7B0 = "C:\\Users\\Admin\\AppData\\Roaming\\E150D7B0\\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/3056-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2608	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2608	3056	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe	31
PID 3056 wrote to memory of 2608	3056	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe	31
PID 3056 wrote to memory of 2608	3056	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe	31
PID 3056 wrote to memory of 2608	3056	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe	31
PID 3056 wrote to memory of 2608	3056	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe	31
PID 2608 wrote to memory of 1192	2608	winver.exe	21
PID 2608 wrote to memory of 1112	2608	winver.exe	19
PID 2608 wrote to memory of 1156	2608	winver.exe	20
PID 2608 wrote to memory of 1192	2608	winver.exe	21
PID 2608 wrote to memory of 1600	2608	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:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe
  "C:\Users\Admin\AppData\Local\Temp\a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - 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:2608

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1600

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/1112-26-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1156-20-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1156-28-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x0000000002760000-0x0000000002766000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1192-2-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download
memory/1192-29-0x0000000002760000-0x0000000002766000-memory.dmp

Filesize
24KB

Download
memory/1600-32-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1600-25-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1600-31-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/2608-11-0x0000000077B30000-0x0000000077CD9000-memory.dmp

Filesize
1.7MB

Download
memory/2608-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2608-7-0x0000000077D30000-0x0000000077D31000-memory.dmp

Filesize
4KB

Download
memory/2608-8-0x0000000077D2F000-0x0000000077D30000-memory.dmp

Filesize
4KB

Download
memory/2608-9-0x0000000077D2F000-0x0000000077D31000-memory.dmp

Filesize
8KB

Download
memory/2608-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/3056-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/3056-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3056-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3056-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/3056-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download