tinba | d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 00:33

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General

Target

d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36.exe
Size

89KB
MD5

e4cc8c3c50e394483f438cae5c725d8b
SHA1

c4de6533257a6a6b5c843b443b23336a3e80e17e
SHA256

d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36
SHA512

f49aacde3ccdbf6523311eb6a9740a224cbd92a6e3dddc71787c1df5b2f81694632420e7b6e0abe0213998ac4490e4af20684385c22f0bbdf23a0a8aaee81f37
SSDEEP

1536:/1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7O:9+4MJIkLZJNAQ9Jo9O

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\2C50F747 = "C:\\Users\\Admin\\AppData\\Roaming\\2C50F747\\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/2116-0-0x0000000000400000-0x0000000000418000-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	d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe
2600	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2600	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2600	2116	d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36.exe	31
PID 2116 wrote to memory of 2600	2116	d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36.exe	31
PID 2116 wrote to memory of 2600	2116	d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36.exe	31
PID 2116 wrote to memory of 2600	2116	d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36.exe	31
PID 2116 wrote to memory of 2600	2116	d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36.exe	31
PID 2600 wrote to memory of 1200	2600	winver.exe	21
PID 2600 wrote to memory of 1104	2600	winver.exe	19
PID 2600 wrote to memory of 1160	2600	winver.exe	20
PID 2600 wrote to memory of 1200	2600	winver.exe	21
PID 2600 wrote to memory of 1876	2600	winver.exe	25

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36.exe
  "C:\Users\Admin\AppData\Local\Temp\d23934c250f761285e65f53b159a6cb670da43d1bca904799e5741f58b312e36.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2116
- - 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:2600

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1876

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/1104-29-0x0000000001FB0000-0x0000000001FB6000-memory.dmp

Filesize
24KB

Download
memory/1104-30-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1160-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1160-31-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1200-22-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1200-26-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002E90000-0x0000000002E96000-memory.dmp

Filesize
24KB

Download
memory/1876-25-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1876-27-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1876-28-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/2116-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2116-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2116-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2116-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2116-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2600-11-0x0000000077960000-0x0000000077B09000-memory.dmp

Filesize
1.7MB

Download
memory/2600-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2600-7-0x0000000077B60000-0x0000000077B61000-memory.dmp

Filesize
4KB

Download
memory/2600-8-0x0000000077B5F000-0x0000000077B60000-memory.dmp

Filesize
4KB

Download
memory/2600-9-0x0000000077B5F000-0x0000000077B61000-memory.dmp

Filesize
8KB

Download
memory/2600-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download