tinba | 9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 19:00

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General

Target

9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe
Size

45KB
MD5

3db1fe47a93f92cf21c988da690ed920
SHA1

4ce4da6746d7f2a2a6030b0780bf21fec86fd8f5
SHA256

9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7
SHA512

7bdb836c48a15290ce210316360b09785864bb85c1361e77b6d14e5a3d92163f52067b783b25328653e6c7955a6b12126935982d612c465ed1f86ee860aefbcd
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

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\BD737E46 = "C:\\Users\\Admin\\AppData\\Roaming\\BD737E46\\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/2668-0-0x0000000000400000-0x000000000041D000-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	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2788	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2788	2668	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	31
PID 2668 wrote to memory of 2788	2668	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	31
PID 2668 wrote to memory of 2788	2668	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	31
PID 2668 wrote to memory of 2788	2668	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	31
PID 2668 wrote to memory of 2788	2668	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	31
PID 2788 wrote to memory of 1208	2788	winver.exe	21
PID 2788 wrote to memory of 1112	2788	winver.exe	19
PID 2788 wrote to memory of 1164	2788	winver.exe	20
PID 2788 wrote to memory of 1208	2788	winver.exe	21
PID 2788 wrote to memory of 852	2788	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:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe
  "C:\Users\Admin\AppData\Local\Temp\9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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:2788

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:852

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/852-29-0x00000000775C1000-0x00000000775C2000-memory.dmp

Filesize
4KB

Download
memory/852-28-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download
memory/852-23-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download
memory/1112-24-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1112-25-0x00000000775C1000-0x00000000775C2000-memory.dmp

Filesize
4KB

Download
memory/1164-19-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-35-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x00000000775C1000-0x00000000775C2000-memory.dmp

Filesize
4KB

Download
memory/1208-2-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x00000000775C1000-0x00000000775C2000-memory.dmp

Filesize
4KB

Download
memory/1208-31-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1208-21-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/2668-5-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2668-13-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2668-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2668-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2668-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2788-11-0x0000000077570000-0x0000000077719000-memory.dmp

Filesize
1.7MB

Download
memory/2788-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2788-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2788-7-0x0000000077770000-0x0000000077771000-memory.dmp

Filesize
4KB

Download
memory/2788-8-0x000000007776F000-0x0000000077770000-memory.dmp

Filesize
4KB

Download
memory/2788-9-0x000000007776F000-0x0000000077771000-memory.dmp

Filesize
8KB

Download
memory/2788-36-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download