tinba | 1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64

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
13-01-2025 10:14

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General

Target

1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64N.exe
Size

45KB
MD5

377033be6d45b6fc7d52e2f3efb4fd90
SHA1

188a6ed69c250d95dffb602df779540bd0ebab86
SHA256

1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64
SHA512

b79c70f03f9bda4037f250d2038c9407b334eee6e51051e9eaf8930d2d8dcf059824365d164affadce09f47f8b500a15837be6b08efd59ccfc28c3b613ccfd93
SSDEEP

768:2hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:asWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\D91C3ABE = "C:\\Users\\Admin\\AppData\\Roaming\\D91C3ABE\\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/2984-0-0x0000000000400000-0x000000000041D000-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	1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe
3064	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3064	winver.exe
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 3064	2984	1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64N.exe	31
PID 2984 wrote to memory of 3064	2984	1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64N.exe	31
PID 2984 wrote to memory of 3064	2984	1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64N.exe	31
PID 2984 wrote to memory of 3064	2984	1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64N.exe	31
PID 2984 wrote to memory of 3064	2984	1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64N.exe	31
PID 3064 wrote to memory of 1248	3064	winver.exe	21
PID 3064 wrote to memory of 1100	3064	winver.exe	19
PID 3064 wrote to memory of 1160	3064	winver.exe	20
PID 3064 wrote to memory of 1248	3064	winver.exe	21
PID 3064 wrote to memory of 800	3064	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1248
- C:\Users\Admin\AppData\Local\Temp\1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64N.exe
  "C:\Users\Admin\AppData\Local\Temp\1c72526cee871fd8420e7502b8c70bfca917924342de086c44f876a550d18d64N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2984
- - 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:3064

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:800

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/800-32-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/800-35-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/800-23-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/800-29-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/800-30-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/800-31-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1100-24-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1100-25-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1100-26-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1100-27-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/1160-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1248-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-34-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1248-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1248-4-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-10-0x0000000077251000-0x0000000077252000-memory.dmp

Filesize
4KB

Download
memory/2984-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2984-13-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2984-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2984-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2984-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3064-6-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/3064-11-0x0000000077200000-0x00000000773A9000-memory.dmp

Filesize
1.7MB

Download
memory/3064-9-0x00000000773FF000-0x0000000077401000-memory.dmp

Filesize
8KB

Download
memory/3064-8-0x00000000773FF000-0x0000000077400000-memory.dmp

Filesize
4KB

Download
memory/3064-7-0x0000000077400000-0x0000000077401000-memory.dmp

Filesize
4KB

Download
memory/3064-33-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/3064-39-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download