tinba | 96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66c

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
25-10-2024 21:02

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General

Target

96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66cN.exe
Size

110KB
MD5

1f5ee15187ed47cb55326b9b76946400
SHA1

ea025350434a184fcbd33b3a6ffb33a34bacb697
SHA256

96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66c
SHA512

461435c1cd5c60a8f4dc278ba789a384eff2e715deeb770409725f8750199225d047d6b90453caf271c7f0236da9e3e428bd670263df29bbd6132189018bc9b7
SSDEEP

1536:WiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:WiyvRmDLs/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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\85A64247 = "C:\\Users\\Admin\\AppData\\Roaming\\85A64247\\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/2224-0-0x0000000000400000-0x000000000041E000-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	96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2504	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2504	2224	96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66cN.exe	31
PID 2224 wrote to memory of 2504	2224	96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66cN.exe	31
PID 2224 wrote to memory of 2504	2224	96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66cN.exe	31
PID 2224 wrote to memory of 2504	2224	96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66cN.exe	31
PID 2224 wrote to memory of 2504	2224	96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66cN.exe	31
PID 2504 wrote to memory of 1196	2504	winver.exe	21
PID 2504 wrote to memory of 1112	2504	winver.exe	19
PID 2504 wrote to memory of 1160	2504	winver.exe	20
PID 2504 wrote to memory of 1196	2504	winver.exe	21
PID 2504 wrote to memory of 1496	2504	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66cN.exe
  "C:\Users\Admin\AppData\Local\Temp\96911ff54c01adb5320df2eb6997039be5af447bb91a3e3c21297456e59be66cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2224
- - 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:2504

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1496

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/1112-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x0000000077071000-0x0000000077072000-memory.dmp

Filesize
4KB

Download
memory/1160-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077071000-0x0000000077072000-memory.dmp

Filesize
4KB

Download
memory/1196-22-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/1496-30-0x0000000077071000-0x0000000077072000-memory.dmp

Filesize
4KB

Download
memory/1496-29-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1496-24-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2224-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2224-13-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2224-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2224-5-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2224-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2504-11-0x0000000077020000-0x00000000771C9000-memory.dmp

Filesize
1.7MB

Download
memory/2504-9-0x000000007721F000-0x0000000077221000-memory.dmp

Filesize
8KB

Download
memory/2504-8-0x000000007721F000-0x0000000077220000-memory.dmp

Filesize
4KB

Download
memory/2504-7-0x0000000077220000-0x0000000077221000-memory.dmp

Filesize
4KB

Download
memory/2504-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2504-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download