tinba | 7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 08:28

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General

Target

7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe
Size

89KB
MD5

60b845037a355c84b17b920e249f14b0
SHA1

455460bb6a914ca669cd42f6d50fa306ab38e465
SHA256

7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224
SHA512

dec9d8d0aa7f735355015b9cf83bcac0f358636a864a395d0333b9a863f9e51a8e3ed93083c2786ff2e5fb4d6860f37fc24aec0716e7b1815913cc3a272b7df9
SSDEEP

1536:n1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7K:1+4MJIkLZJNAQ9Jo9K

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\654EBF98 = "C:\\Users\\Admin\\AppData\\Roaming\\654EBF98\\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/2368-0-0x0000000000400000-0x0000000000418000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe
1852	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1852	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1852	2368	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe	31
PID 2368 wrote to memory of 1852	2368	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe	31
PID 2368 wrote to memory of 1852	2368	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe	31
PID 2368 wrote to memory of 1852	2368	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe	31
PID 2368 wrote to memory of 1852	2368	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe	31
PID 1852 wrote to memory of 1124	1852	winver.exe	20
PID 1852 wrote to memory of 1044	1852	winver.exe	17
PID 1852 wrote to memory of 1056	1852	winver.exe	18
PID 1852 wrote to memory of 1124	1852	winver.exe	20
PID 1852 wrote to memory of 1772	1852	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1124
- C:\Users\Admin\AppData\Local\Temp\7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe
  "C:\Users\Admin\AppData\Local\Temp\7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - 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:1852

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1772

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/1044-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1044-27-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1056-20-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1056-28-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1124-4-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1124-2-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1124-23-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1124-10-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1124-3-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1124-29-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1772-30-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1772-31-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1772-25-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1852-11-0x00000000775C0000-0x0000000077769000-memory.dmp

Filesize
1.7MB

Download
memory/1852-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1852-7-0x00000000777C0000-0x00000000777C1000-memory.dmp

Filesize
4KB

Download
memory/1852-8-0x00000000777BF000-0x00000000777C0000-memory.dmp

Filesize
4KB

Download
memory/1852-9-0x00000000777BF000-0x00000000777C1000-memory.dmp

Filesize
8KB

Download
memory/1852-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2368-13-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2368-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2368-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2368-5-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2368-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download