tinba | 9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739

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 03:43

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General

Target

9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe
Size

110KB
MD5

9f366052c697dbd8649a21086f9c31c0
SHA1

84e31fbd75c312913ddf6697cc4ab76841107db1
SHA256

9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739
SHA512

7a6f1bdbf90fca0b330201340ca6f4678ad2e8ece94f5c5680c960c4d112ad7d769b050aea1c56ef8f6dabc0bcad4f784ec0e12a120a99a1e9748011bd68e158
SSDEEP

1536:PiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:PiyvRmDLs/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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\2D63C12C = "C:\\Users\\Admin\\AppData\\Roaming\\2D63C12C\\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/2392-0-0x0000000000400000-0x000000000041E000-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	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe
2748	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2748	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2748	2392	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe	31
PID 2392 wrote to memory of 2748	2392	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe	31
PID 2392 wrote to memory of 2748	2392	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe	31
PID 2392 wrote to memory of 2748	2392	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe	31
PID 2392 wrote to memory of 2748	2392	9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe	31
PID 2748 wrote to memory of 1180	2748	winver.exe	21
PID 2748 wrote to memory of 1096	2748	winver.exe	19
PID 2748 wrote to memory of 1144	2748	winver.exe	20
PID 2748 wrote to memory of 1180	2748	winver.exe	21
PID 2748 wrote to memory of 1616	2748	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1144

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe
  "C:\Users\Admin\AppData\Local\Temp\9b28f3231269ace2e16d9b7532eaddc48a5c3dc12013e6f9181363540be57739N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2392
- - 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:2748

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1616

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/1096-25-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1096-26-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1144-35-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1144-30-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1144-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1144-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1180-22-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1180-10-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1180-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1180-31-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1180-4-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1616-27-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1616-28-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1616-24-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/2392-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2392-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2392-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2392-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2392-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2748-7-0x0000000077440000-0x0000000077441000-memory.dmp

Filesize
4KB

Download
memory/2748-8-0x000000007743F000-0x0000000077440000-memory.dmp

Filesize
4KB

Download
memory/2748-9-0x000000007743F000-0x0000000077441000-memory.dmp

Filesize
8KB

Download
memory/2748-11-0x0000000077240000-0x00000000773E9000-memory.dmp

Filesize
1.7MB

Download
memory/2748-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2748-32-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download