Malware Analysis Report

2024-10-19 13:24

Sample ID 240405-clklhahd8x
Target c7f2d7e57ce04fbfe7444f2368dbd0d7_JaffaCakes118
SHA256 d083d5c306cf73a20f5b759aeb8d44cbf72a65077b50a5efe4c8781cc997c9ce
Tags
tinba banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d083d5c306cf73a20f5b759aeb8d44cbf72a65077b50a5efe4c8781cc997c9ce

Threat Level: Known bad

The file c7f2d7e57ce04fbfe7444f2368dbd0d7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-05 02:09

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-05 02:09

Reported

2024-04-05 02:12

Platform

win7-20240221-en

Max time kernel

150s

Max time network

161s

Command Line

"taskhost.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\4CEB2DC2 = "C:\\Users\\Admin\\AppData\\Roaming\\4CEB2DC2\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Processes

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\c7f2d7e57ce04fbfe7444f2368dbd0d7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c7f2d7e57ce04fbfe7444f2368dbd0d7_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 spaines.pw udp
US 216.218.185.162:80 spaines.pw tcp
US 8.8.8.8:53 uyhgqunqkxnx.pw udp
SG 45.77.249.79:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp
US 8.8.8.8:53 cmnsgscccrej.pw udp
US 216.218.185.162:80 cmnsgscccrej.pw tcp
US 8.8.8.8:53 evbsdqvgmpph.pw udp
US 216.218.185.162:80 evbsdqvgmpph.pw tcp
US 8.8.8.8:53 mfueeimvyrsp.pw udp
US 216.218.185.162:80 mfueeimvyrsp.pw tcp
US 8.8.8.8:53 utmyhnffxpcj.pw udp
US 216.218.185.162:80 utmyhnffxpcj.pw tcp
US 8.8.8.8:53 fkmmvfeonnyh.pw udp
US 216.218.185.162:80 fkmmvfeonnyh.pw tcp
US 8.8.8.8:53 gfnlmtcolrrb.pw udp
US 216.218.185.162:80 gfnlmtcolrrb.pw tcp
US 8.8.8.8:53 wwgfyvvdtmeq.pw udp
US 216.218.185.162:80 wwgfyvvdtmeq.pw tcp

Files

memory/1740-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1740-2-0x0000000002060000-0x0000000002A60000-memory.dmp

memory/1268-1-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

memory/2736-3-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1268-10-0x0000000076D51000-0x0000000076D52000-memory.dmp

memory/2736-9-0x0000000076F00000-0x0000000076F01000-memory.dmp

memory/2736-8-0x0000000076EFF000-0x0000000076F01000-memory.dmp

memory/2736-7-0x0000000076EFF000-0x0000000076F00000-memory.dmp

memory/2736-6-0x00000000008A0000-0x00000000008B6000-memory.dmp

memory/1268-5-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

memory/1740-11-0x0000000000400000-0x0000000000411000-memory.dmp

memory/1740-12-0x0000000002060000-0x0000000002A60000-memory.dmp

memory/2736-14-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2736-15-0x0000000000110000-0x0000000000111000-memory.dmp

memory/1224-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1268-22-0x0000000002A80000-0x0000000002A86000-memory.dmp

memory/1224-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1172-24-0x0000000076D51000-0x0000000076D52000-memory.dmp

memory/1172-23-0x0000000000310000-0x0000000000316000-memory.dmp

memory/1268-26-0x0000000002A80000-0x0000000002A86000-memory.dmp

memory/2736-30-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2736-31-0x00000000001A0000-0x00000000001A1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-05 02:09

Reported

2024-04-05 02:12

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

150s

Command Line

sihost.exe

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\91F588E9 = "C:\\Users\\Admin\\AppData\\Roaming\\91F588E9\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\winver.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\c7f2d7e57ce04fbfe7444f2368dbd0d7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c7f2d7e57ce04fbfe7444f2368dbd0d7_JaffaCakes118.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3628 -ip 3628

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3628 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 160.111.86.104.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 152.33.115.104.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 24.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4708-0-0x00000000005A0000-0x00000000005A1000-memory.dmp

memory/3416-1-0x0000000001280000-0x0000000001286000-memory.dmp

memory/4708-3-0x00000000023D0000-0x0000000002DD0000-memory.dmp

memory/3416-2-0x0000000001280000-0x0000000001286000-memory.dmp

memory/3416-5-0x00007FFC8D64D000-0x00007FFC8D64E000-memory.dmp

memory/3628-4-0x0000000077E62000-0x0000000077E63000-memory.dmp

memory/3628-6-0x0000000000D60000-0x0000000000D66000-memory.dmp

memory/3416-7-0x00007FFC8D7E0000-0x00007FFC8D7E1000-memory.dmp

memory/4708-8-0x0000000000400000-0x0000000000411000-memory.dmp

memory/4708-9-0x00000000023D0000-0x0000000002DD0000-memory.dmp

memory/756-13-0x0000000000560000-0x0000000000566000-memory.dmp

memory/3628-14-0x0000000000D60000-0x0000000000D66000-memory.dmp