tinba | fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 23:40

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General

Target

fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe
Size

59KB
MD5

09ed2a3622051d56d17b0c8a4f4038c0
SHA1

db88de9a9648b57c6adf18c00e00243fa6efd7ab
SHA256

fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890
SHA512

6fcd83bc08789002892edf4068da6feeac05730ec382c208648f4046783e282666db599d47af341f18a933073fb434106d015fe54c0b0adce7bcf165f01705df
SSDEEP

768:G+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jf:G+mFM2HXKZgiFP7xIksu+XM5O9Jf

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\CBE4C043 = "C:\\Users\\Admin\\AppData\\Roaming\\CBE4C043\\bin.exe"	winver.exe

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	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2184	winver.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2184	1056	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe	32
PID 1056 wrote to memory of 2184	1056	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe	32
PID 1056 wrote to memory of 2184	1056	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe	32
PID 1056 wrote to memory of 2184	1056	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe	32
PID 1056 wrote to memory of 2184	1056	fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe	32
PID 2184 wrote to memory of 1188	2184	winver.exe	21
PID 2184 wrote to memory of 1120	2184	winver.exe	19
PID 2184 wrote to memory of 1168	2184	winver.exe	20
PID 2184 wrote to memory of 1188	2184	winver.exe	21
PID 2184 wrote to memory of 868	2184	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

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:1188
- C:\Users\Admin\AppData\Local\Temp\fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe
  "C:\Users\Admin\AppData\Local\Temp\fa9005aec8b9a030a6ef2c26b4ba586e6ec4d7a1e454126e9338e1d427ca8890N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1056
- - 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:2184

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:868

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/868-29-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/868-23-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/868-28-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/1056-4-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/1056-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1056-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1056-12-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/1120-24-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1120-25-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1168-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1188-27-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1188-20-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1188-9-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/2184-10-0x0000000076D80000-0x0000000076F29000-memory.dmp

Filesize
1.7MB

Download
memory/2184-5-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2184-6-0x0000000076F80000-0x0000000076F81000-memory.dmp

Filesize
4KB

Download
memory/2184-7-0x0000000076F7F000-0x0000000076F80000-memory.dmp

Filesize
4KB

Download
memory/2184-8-0x0000000076F7F000-0x0000000076F81000-memory.dmp

Filesize
8KB

Download
memory/2184-30-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download