tinba | c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224

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
11-01-2025 21:54

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General

Target

c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224N.exe
Size

110KB
MD5

94e780073519e16246175067bdac33c0
SHA1

a22a5528a08204870a5020c8efac6f139b9525b2
SHA256

c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224
SHA512

b3fee489a168f0b0b874431d4ab3592a212d5e44e9d7c3f11443614556a6374eb3ccba09deeb837830c1e049d8705a5a74c896c5473d1df7657a7cf60f811db8
SSDEEP

1536:GiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:GiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\79DB0A10 = "C:\\Users\\Admin\\AppData\\Roaming\\79DB0A10\\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/2560-0-0x0000000000400000-0x000000000041E000-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	c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1724	winver.exe
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 1724	2560	c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224N.exe	31
PID 2560 wrote to memory of 1724	2560	c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224N.exe	31
PID 2560 wrote to memory of 1724	2560	c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224N.exe	31
PID 2560 wrote to memory of 1724	2560	c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224N.exe	31
PID 2560 wrote to memory of 1724	2560	c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224N.exe	31
PID 1724 wrote to memory of 1272	1724	winver.exe	21
PID 1724 wrote to memory of 1124	1724	winver.exe	19
PID 1724 wrote to memory of 1192	1724	winver.exe	20
PID 1724 wrote to memory of 1272	1724	winver.exe	21
PID 1724 wrote to memory of 1268	1724	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1272
- C:\Users\Admin\AppData\Local\Temp\c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224N.exe
  "C:\Users\Admin\AppData\Local\Temp\c9c3eb88a5927e2e2dd069fdb5559bfc44cdb6c7c9a54ae7ef2fdec4e633b224N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2560
- - 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:1724

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1268

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/1124-26-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1124-25-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1192-31-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1192-20-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1268-28-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1268-29-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1268-24-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1272-2-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1272-10-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1272-27-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1272-3-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1272-22-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1272-4-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1724-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1724-11-0x0000000076E20000-0x0000000076FC9000-memory.dmp

Filesize
1.7MB

Download
memory/1724-7-0x0000000077020000-0x0000000077021000-memory.dmp

Filesize
4KB

Download
memory/1724-8-0x000000007701F000-0x0000000077020000-memory.dmp

Filesize
4KB

Download
memory/1724-9-0x000000007701F000-0x0000000077021000-memory.dmp

Filesize
8KB

Download
memory/1724-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1724-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2560-13-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2560-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2560-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2560-5-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2560-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download