tinba | 5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 13:37

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General

Target

5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe
Size

45KB
MD5

138e764718fc95127d7e45ade0abf6bc
SHA1

533e78a80137bfb198103208dd7749d790f25eec
SHA256

5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2
SHA512

ba637ce8b6e9e3fa19df672e2077bf61a09fc9a425e0482ba8a249658b8154219b44ef2671c0d654bafc95ffa4f86a2a189deb8d15644ea10693be31afdc2480
SSDEEP

768:jhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2N:1sWE9N5dFu53dsniQaB/xZ14n7zIF+qx

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\5D740790 = "C:\\Users\\Admin\\AppData\\Roaming\\5D740790\\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/2084-0-0x0000000000400000-0x000000000041D000-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	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe
2980	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2980	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2980	2084	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	31
PID 2084 wrote to memory of 2980	2084	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	31
PID 2084 wrote to memory of 2980	2084	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	31
PID 2084 wrote to memory of 2980	2084	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	31
PID 2084 wrote to memory of 2980	2084	5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe	31
PID 2980 wrote to memory of 1196	2980	winver.exe	21
PID 2980 wrote to memory of 1116	2980	winver.exe	19
PID 2980 wrote to memory of 1172	2980	winver.exe	20
PID 2980 wrote to memory of 1196	2980	winver.exe	21
PID 2980 wrote to memory of 1192	2980	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe
  "C:\Users\Admin\AppData\Local\Temp\5c37fd702e356bc2d2d30e3916676ad233202156a2261015eaedb919acd904f2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - 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:2980

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1192

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/1116-26-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1172-20-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1172-29-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1192-31-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1192-25-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1192-32-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1196-2-0x0000000003DB0000-0x0000000003DB6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1196-28-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000003DB0000-0x0000000003DB6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000003DB0000-0x0000000003DB6000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/2084-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2084-13-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2084-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2084-5-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2084-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2980-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2980-7-0x0000000077C50000-0x0000000077C51000-memory.dmp

Filesize
4KB

Download
memory/2980-8-0x0000000077C4F000-0x0000000077C50000-memory.dmp

Filesize
4KB

Download
memory/2980-11-0x0000000077A50000-0x0000000077BF9000-memory.dmp

Filesize
1.7MB

Download
memory/2980-9-0x0000000077C4F000-0x0000000077C51000-memory.dmp

Filesize
8KB

Download
memory/2980-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download