tinba | f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01/12/2024, 20:41

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General

Target

f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33N.exe
Size

45KB
MD5

c49b2c9fc87c42a0a6fe616198266b60
SHA1

5ac2b9c82a601ab870f3a34d53cc7591f7fa0b3f
SHA256

f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33
SHA512

5bd5342243096ea208d3af2c6cf2cf99bdc14db840cec4984cbbf59a58fe2ac208ebf2e8f85089e6653dedddeec0e06bd979d0efe190d13574f710557ff92c52
SSDEEP

768:6hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:2sWE9N5dFu53dsniQaB/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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\01B2A6B1 = "C:\\Users\\Admin\\AppData\\Roaming\\01B2A6B1\\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/2788-0-0x0000000000400000-0x000000000041D000-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	f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2972	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2972	2788	f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33N.exe	31
PID 2788 wrote to memory of 2972	2788	f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33N.exe	31
PID 2788 wrote to memory of 2972	2788	f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33N.exe	31
PID 2788 wrote to memory of 2972	2788	f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33N.exe	31
PID 2788 wrote to memory of 2972	2788	f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33N.exe	31
PID 2972 wrote to memory of 1052	2972	winver.exe	18
PID 2972 wrote to memory of 1028	2972	winver.exe	17
PID 2972 wrote to memory of 1052	2972	winver.exe	18
PID 2972 wrote to memory of 1088	2972	winver.exe	19
PID 2972 wrote to memory of 1816	2972	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1028

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1052
- C:\Users\Admin\AppData\Local\Temp\f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33N.exe
  "C:\Users\Admin\AppData\Local\Temp\f3d5e09e15dec8106776824349457e8a372e38a0a66dce1a0d7cee1d52a8df33N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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:2972

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1816

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/1028-25-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

Filesize
4KB

Download
memory/1028-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1052-29-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1052-3-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-2-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-4-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-10-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

Filesize
4KB

Download
memory/1052-19-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1088-30-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1088-21-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1816-27-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1816-28-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

Filesize
4KB

Download
memory/1816-23-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2788-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2788-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2788-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2788-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2788-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2972-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2972-7-0x0000000077D90000-0x0000000077D91000-memory.dmp

Filesize
4KB

Download
memory/2972-8-0x0000000077D8F000-0x0000000077D90000-memory.dmp

Filesize
4KB

Download
memory/2972-9-0x0000000077D8F000-0x0000000077D91000-memory.dmp

Filesize
8KB

Download
memory/2972-11-0x0000000077B90000-0x0000000077D39000-memory.dmp

Filesize
1.7MB

Download
memory/2972-26-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2972-35-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download