tinba | 2e7d5e2c3a40c33f6d7a633c90f480efc7b4c1243d6a358570ef0653050e4144

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 18:59

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General

Target

524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe
Size

89KB
MD5

84d7240ad0abeeb45fad6c23cee9dd51
SHA1

d74ac44cbe0321018e1e43244c1743268cecb031
SHA256

524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6
SHA512

a35e330218e6409693aa041dbea6af61fd4257f9da84f6268ae9eaabc5f4ed03f2beee3848f9837ee0a8770d619d68b63a53503c23538d374dca7e6563334191
SSDEEP

1536:Rr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:V+4MJIkLZJNAQ9Jo9e

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2632-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\DAE96C0E = "C:\\Users\\Admin\\AppData\\Roaming\\DAE96C0E\\bin.exe"	winver.exe

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	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2788	winver.exe
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2788	2632	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe	32
PID 2632 wrote to memory of 2788	2632	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe	32
PID 2632 wrote to memory of 2788	2632	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe	32
PID 2632 wrote to memory of 2788	2632	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe	32
PID 2632 wrote to memory of 2788	2632	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe	32
PID 2788 wrote to memory of 1232	2788	winver.exe	21
PID 2788 wrote to memory of 1104	2788	winver.exe	19
PID 2788 wrote to memory of 1168	2788	winver.exe	20
PID 2788 wrote to memory of 1232	2788	winver.exe	21
PID 2788 wrote to memory of 864	2788	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1232
- C:\Users\Admin\AppData\Local\Temp\524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe
  "C:\Users\Admin\AppData\Local\Temp\524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2632
- - 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:2788

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:864

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/864-28-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/864-27-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/864-29-0x0000000077551000-0x0000000077552000-memory.dmp

Filesize
4KB

Download
memory/1104-36-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1104-24-0x0000000077551000-0x0000000077552000-memory.dmp

Filesize
4KB

Download
memory/1104-23-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download
memory/1232-30-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1232-10-0x0000000077551000-0x0000000077552000-memory.dmp

Filesize
4KB

Download
memory/1232-22-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1232-4-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download
memory/2632-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2632-13-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/2632-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2632-5-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/2632-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2788-11-0x0000000077500000-0x00000000776A9000-memory.dmp

Filesize
1.7MB

Download
memory/2788-9-0x00000000776FF000-0x0000000077701000-memory.dmp

Filesize
8KB

Download
memory/2788-8-0x00000000776FF000-0x0000000077700000-memory.dmp

Filesize
4KB

Download
memory/2788-7-0x0000000077700000-0x0000000077701000-memory.dmp

Filesize
4KB

Download
memory/2788-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2788-32-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2788-37-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download