tinba | 04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
13/01/2025, 11:19

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General

Target

04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe
Size

45KB
MD5

6edc77216125063276498fd1a633a300
SHA1

27ee0cc6f80f98bb0887e6ed8a925b34ad2b5eea
SHA256

04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95
SHA512

6ac11de8e4c6e7bdb5821d7b086f67935afbc1e1f15a83e6c9629d61b1564eb0ca9a8608d00e76c4b54521ea86108cf2c74475c326aa78c2c805bdfca1d8625a
SSDEEP

768:6hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:2sWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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\3918C1EA = "C:\\Users\\Admin\\AppData\\Roaming\\3918C1EA\\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/2040-0-0x0000000000400000-0x000000000041D000-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	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2396	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2396	2040	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe	31
PID 2040 wrote to memory of 2396	2040	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe	31
PID 2040 wrote to memory of 2396	2040	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe	31
PID 2040 wrote to memory of 2396	2040	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe	31
PID 2040 wrote to memory of 2396	2040	04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe	31
PID 2396 wrote to memory of 1196	2396	winver.exe	21
PID 2396 wrote to memory of 1112	2396	winver.exe	19
PID 2396 wrote to memory of 1168	2396	winver.exe	20
PID 2396 wrote to memory of 1196	2396	winver.exe	21
PID 2396 wrote to memory of 2032	2396	winver.exe	23

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⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe
  "C:\Users\Admin\AppData\Local\Temp\04ec7fb991601cfe6d06b1bb509fb3d9c5f0834558d1c3e71481f9fa213dba95N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2040
- - 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:2396

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2032

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/1112-28-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1112-29-0x0000000076F81000-0x0000000076F82000-memory.dmp

Filesize
4KB

Download
memory/1168-21-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000076F81000-0x0000000076F82000-memory.dmp

Filesize
4KB

Download
memory/1196-2-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-23-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/2032-32-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/2032-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/2032-33-0x0000000076F81000-0x0000000076F82000-memory.dmp

Filesize
4KB

Download
memory/2040-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2040-13-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2040-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2040-5-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2040-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2396-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2396-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2396-7-0x0000000077130000-0x0000000077131000-memory.dmp

Filesize
4KB

Download
memory/2396-8-0x000000007712F000-0x0000000077130000-memory.dmp

Filesize
4KB

Download
memory/2396-9-0x000000007712F000-0x0000000077131000-memory.dmp

Filesize
8KB

Download
memory/2396-11-0x0000000076F30000-0x00000000770D9000-memory.dmp

Filesize
1.7MB

Download