tinba | 78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfd

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 18:45

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General

Target

78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfdN.exe
Size

34KB
MD5

459b0bfaf266b0d0744288b59f6c9c50
SHA1

4bd76ca90fe28f15f0fb42a9551901f9b9c982e8
SHA256

78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfd
SHA512

badf56fec5dbcf4cf7b870b6284b32d620e04398a10d33902b1eeb2928086014fc6103c556e0e7e59751dfb4eb1ef43935f3329a5c09e4d399bb78d0f1d8e899
SSDEEP

768:3p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:3pYoX58z1uirL98xMWnT0OQ9J2

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

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\94FEF9D0 = "C:\\Users\\Admin\\AppData\\Roaming\\94FEF9D0\\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/860-0-0x0000000000400000-0x0000000000417000-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	78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe
1272	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1272	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1272	860	78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfdN.exe	31
PID 860 wrote to memory of 1272	860	78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfdN.exe	31
PID 860 wrote to memory of 1272	860	78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfdN.exe	31
PID 860 wrote to memory of 1272	860	78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfdN.exe	31
PID 860 wrote to memory of 1272	860	78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfdN.exe	31
PID 1272 wrote to memory of 1196	1272	winver.exe	21
PID 1272 wrote to memory of 1108	1272	winver.exe	19
PID 1272 wrote to memory of 1164	1272	winver.exe	20
PID 1272 wrote to memory of 1196	1272	winver.exe	21
PID 1272 wrote to memory of 1264	1272	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfdN.exe
  "C:\Users\Admin\AppData\Local\Temp\78c432bc6c1739ccf338cd389d69bdf89d58d2b2c70fcdad9170d53e9ce1dcfdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:860
- - 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:1272

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1264

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/860-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/860-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/860-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/860-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/860-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1108-29-0x0000000077A61000-0x0000000077A62000-memory.dmp

Filesize
4KB

Download
memory/1108-35-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1108-28-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1164-31-0x0000000077A61000-0x0000000077A62000-memory.dmp

Filesize
4KB

Download
memory/1164-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-25-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077A61000-0x0000000077A62000-memory.dmp

Filesize
4KB

Download
memory/1196-3-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1264-26-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/1264-27-0x0000000077A61000-0x0000000077A62000-memory.dmp

Filesize
4KB

Download
memory/1264-24-0x0000000001DB0000-0x0000000001DB6000-memory.dmp

Filesize
24KB

Download
memory/1272-11-0x0000000077A10000-0x0000000077BB9000-memory.dmp

Filesize
1.7MB

Download
memory/1272-9-0x0000000077C0F000-0x0000000077C11000-memory.dmp

Filesize
8KB

Download
memory/1272-6-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/1272-8-0x0000000077C0F000-0x0000000077C10000-memory.dmp

Filesize
4KB

Download
memory/1272-32-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/1272-7-0x0000000077C10000-0x0000000077C11000-memory.dmp

Filesize
4KB

Download