trickbot | 8e2dec23a45879892bf7eab247992d212e93730b3135d98094b095412f3850c9

General

Target

sample.exe
Size

534KB
MD5

8f77e6489fa90273986d3a841bbdeb42
SHA1

312b86e00af45e187b52f2bf30b16233d882b7e8
SHA256

7e29d464e336d904d8aee54edf8b499c4095c3659a8b202218903f071239d983
SHA512

435e8da0737cf341532b4cbff6419efc2b96e70221bb58a7c191e53e7d262abea2028c33d579326c77abb9c1b4b8d4f67a94e1233c1ba9c4de71ab31d133d951
SSDEEP

12288:apjrxGmH5bmNi8QpjxDDawkCurdEtttYVLnAiHY:e3xD5DHpjpequrmGN14

Score

10^/10

trickbot banker discovery trojan

Malware Config

Signatures

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot
Trickbot family
trickbot

Trickbot x86 loader 6 IoCs

Detected Trickbot's x86 loader that unpacks the x86 payload.

resource	yara_rule
behavioral2/memory/4028-11-0x0000000002660000-0x000000000268E000-memory.dmp	trickbot_loader32
behavioral2/memory/4028-14-0x0000000002660000-0x000000000268E000-memory.dmp	trickbot_loader32
behavioral2/memory/4028-13-0x00000000022A0000-0x00000000022CC000-memory.dmp	trickbot_loader32
behavioral2/memory/4028-17-0x0000000002660000-0x000000000268E000-memory.dmp	trickbot_loader32
behavioral2/memory/4668-26-0x0000000000E70000-0x0000000000E9E000-memory.dmp	trickbot_loader32
behavioral2/memory/4668-29-0x0000000000E70000-0x0000000000E9E000-memory.dmp	trickbot_loader32

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	sample.exe

Executes dropped EXE 2 IoCs

pid	Process
4028	аНаоすは래별.exe
4668	аНаоすは래별.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	sample.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	аНаоすは래별.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	аНаоすは래별.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTcbPrivilege	2552	svchost.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1956	sample.exe
1956	sample.exe
4028	аНаоすは래별.exe
4028	аНаоすは래별.exe
4668	аНаоすは래별.exe
4668	аНаоすは래별.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 4028	1956	sample.exe	83
PID 1956 wrote to memory of 4028	1956	sample.exe	83
PID 1956 wrote to memory of 4028	1956	sample.exe	83
PID 4028 wrote to memory of 4520	4028	аНаоすは래별.exe	85
PID 4028 wrote to memory of 4520	4028	аНаоすは래별.exe	85
PID 4028 wrote to memory of 4520	4028	аНаоすは래별.exe	85
PID 4028 wrote to memory of 4520	4028	аНаоすは래별.exe	85
PID 4668 wrote to memory of 2552	4668	аНаоすは래별.exe	102
PID 4668 wrote to memory of 2552	4668	аНаоすは래별.exe	102
PID 4668 wrote to memory of 2552	4668	аНаоすは래별.exe	102
PID 4668 wrote to memory of 2552	4668	аНаоすは래별.exe	102

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1956
- C:\ProgramData\аНаоすは래별.exe
  "C:\ProgramData\аНаоすは래별.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4028
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4520

C:\Users\Admin\AppData\Roaming\NuiGet\аНаоすは래별.exe
C:\Users\Admin\AppData\Roaming\NuiGet\аНаоすは래별.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4668
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\аНаоすは래별.exe

Filesize
534KB

MD5
8f77e6489fa90273986d3a841bbdeb42

SHA1
312b86e00af45e187b52f2bf30b16233d882b7e8

SHA256
7e29d464e336d904d8aee54edf8b499c4095c3659a8b202218903f071239d983

SHA512
435e8da0737cf341532b4cbff6419efc2b96e70221bb58a7c191e53e7d262abea2028c33d579326c77abb9c1b4b8d4f67a94e1233c1ba9c4de71ab31d133d951

Download Submit
memory/2552-32-0x000001DBBBD90000-0x000001DBBBDAE000-memory.dmp

Filesize
120KB

Download
memory/2552-30-0x000001DBBBD90000-0x000001DBBBDAE000-memory.dmp

Filesize
120KB

Download
memory/4028-17-0x0000000002660000-0x000000000268E000-memory.dmp

Filesize
184KB

Download
memory/4028-16-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/4028-15-0x00000000026B0000-0x00000000026B1000-memory.dmp

Filesize
4KB

Download
memory/4028-13-0x00000000022A0000-0x00000000022CC000-memory.dmp

Filesize
176KB

Download
memory/4028-14-0x0000000002660000-0x000000000268E000-memory.dmp

Filesize
184KB

Download
memory/4028-11-0x0000000002660000-0x000000000268E000-memory.dmp

Filesize
184KB

Download
memory/4520-18-0x000001C60B460000-0x000001C60B47E000-memory.dmp

Filesize
120KB

Download
memory/4520-20-0x000001C60B460000-0x000001C60B47E000-memory.dmp

Filesize
120KB

Download
memory/4668-26-0x0000000000E70000-0x0000000000E9E000-memory.dmp

Filesize
184KB

Download
memory/4668-28-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/4668-27-0x0000000000EC0000-0x0000000000EC1000-memory.dmp

Filesize
4KB

Download
memory/4668-29-0x0000000000E70000-0x0000000000E9E000-memory.dmp

Filesize
184KB

Download

Analysis

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