tinba | 74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-02-2025 20:05

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General

Target

74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe
Size

45KB
MD5

9b3ce72ed0e9d2c6d19908c61abac1c0
SHA1

6ebcc6d90d6b5144ca9399406826007652e61ef4
SHA256

74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826
SHA512

9880a3db40f2df3fa320cbb5c43cc9bbc91fcdbb2e497b5323128c97e1a3ac8fe8125708a6c571aa8ecf6c42bb93f2a5f0fcac215eaf1c4a4518a7510368cc4f
SSDEEP

768:NhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:vsWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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\C9DC8FDC = "C:\\Users\\Admin\\AppData\\Roaming\\C9DC8FDC\\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/3040-0-0x0000000000400000-0x000000000041D000-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	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe
2364	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2364	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2364	3040	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe	31
PID 3040 wrote to memory of 2364	3040	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe	31
PID 3040 wrote to memory of 2364	3040	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe	31
PID 3040 wrote to memory of 2364	3040	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe	31
PID 3040 wrote to memory of 2364	3040	74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe	31
PID 2364 wrote to memory of 1196	2364	winver.exe	21
PID 2364 wrote to memory of 1100	2364	winver.exe	19
PID 2364 wrote to memory of 1156	2364	winver.exe	20
PID 2364 wrote to memory of 1196	2364	winver.exe	21
PID 2364 wrote to memory of 1292	2364	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe
  "C:\Users\Admin\AppData\Local\Temp\74fda7488b57c76f64e63dde6cbf309af4b30b91c1018d46f557a108d8a98826N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3040
- - 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:2364

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1292

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/1100-27-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

Filesize
24KB

Download
memory/1100-28-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1156-30-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1156-21-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1196-4-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1196-33-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1196-23-0x0000000002160000-0x0000000002166000-memory.dmp

Filesize
24KB

Download
memory/1292-26-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1292-31-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1292-32-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/2364-11-0x0000000076E40000-0x0000000076FE9000-memory.dmp

Filesize
1.7MB

Download
memory/2364-29-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2364-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2364-7-0x0000000077040000-0x0000000077041000-memory.dmp

Filesize
4KB

Download
memory/2364-8-0x000000007703F000-0x0000000077040000-memory.dmp

Filesize
4KB

Download
memory/2364-9-0x000000007703F000-0x0000000077041000-memory.dmp

Filesize
8KB

Download
memory/2364-38-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3040-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/3040-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3040-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3040-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/3040-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download