tinba | 2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1

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
11-12-2024 14:06

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General

Target

2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe
Size

34KB
MD5

78a2109401be7f6be5f5e86cec38bbd0
SHA1

8fb82f61b2c4801efd2116a1ff8ebdce7368118f
SHA256

2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1
SHA512

6bd021b652041b09d76745d69a646fb0dfd4a73298d249e706d0e4461b3e545cf04ac5e3a608284b54a5fc07b0c225e4622f652e3a7b3300958cbfe761236d20
SSDEEP

768:8p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Jy:8pYoX58z1uirL98xMWnT0OQ9Jy

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\AE88A81D = "C:\\Users\\Admin\\AppData\\Roaming\\AE88A81D\\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/2096-0-0x0000000000400000-0x0000000000417000-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	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2792	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 2096 wrote to memory of 2792	2096	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe	31
PID 2096 wrote to memory of 2792	2096	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe	31
PID 2096 wrote to memory of 2792	2096	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe	31
PID 2096 wrote to memory of 2792	2096	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe	31
PID 2096 wrote to memory of 2792	2096	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe	31
PID 2792 wrote to memory of 1188	2792	winver.exe	21
PID 2792 wrote to memory of 1100	2792	winver.exe	19
PID 2792 wrote to memory of 1164	2792	winver.exe	20
PID 2792 wrote to memory of 1188	2792	winver.exe	21
PID 2792 wrote to memory of 1560	2792	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

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\2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe
  "C:\Users\Admin\AppData\Local\Temp\2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2096
- - 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:2792

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1560

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/1100-27-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1100-28-0x0000000077171000-0x0000000077172000-memory.dmp

Filesize
4KB

Download
memory/1164-29-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1164-21-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1188-23-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077171000-0x0000000077172000-memory.dmp

Filesize
4KB

Download
memory/1188-30-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1560-26-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1560-32-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1560-33-0x0000000077171000-0x0000000077172000-memory.dmp

Filesize
4KB

Download
memory/1560-31-0x0000000077171000-0x0000000077172000-memory.dmp

Filesize
4KB

Download
memory/2096-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2096-13-0x0000000001B60000-0x0000000002560000-memory.dmp

Filesize
10.0MB

Download
memory/2096-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2096-5-0x0000000001B60000-0x0000000002560000-memory.dmp

Filesize
10.0MB

Download
memory/2096-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2792-6-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2792-7-0x0000000077320000-0x0000000077321000-memory.dmp

Filesize
4KB

Download
memory/2792-8-0x000000007731F000-0x0000000077320000-memory.dmp

Filesize
4KB

Download
memory/2792-9-0x000000007731F000-0x0000000077321000-memory.dmp

Filesize
8KB

Download
memory/2792-11-0x0000000077120000-0x00000000772C9000-memory.dmp

Filesize
1.7MB

Download
memory/2792-34-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download