blackmoon | a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/11/2024, 08:14

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General

Target

a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe
Size

3.3MB
MD5

9864f180fe6ba36961d20acb9f61ea62
SHA1

dae87fe5dac27c7340be6ee9928720af8c22b9df
SHA256

a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb
SHA512

c053c61035231752a409dffe4da1a9af2b0f8ceb0fcf265be685d7949f5c16f2424704b49a08e8d0e62d2355d1bbacd5fe92ebe7bc4cf894fcd5f8697f8dcac4
SSDEEP

98304:7S5ZkBnLE4okpzJOGESh8v67fPY6bGo1xElDiVZr0TDpP:S+LE4okpzJESOv6zYSGtDiVI

Score

10^/10

blackmoon banker discovery evasion trojan upx

Malware Config

Signatures

Blackmoon family
blackmoon
Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 4 IoCs

resource	yara_rule
behavioral2/memory/3240-2-0x0000000003630000-0x0000000003671000-memory.dmp	family_blackmoon
behavioral2/memory/2844-11-0x0000000003750000-0x0000000003791000-memory.dmp	family_blackmoon
behavioral2/memory/3240-15-0x0000000003630000-0x0000000003671000-memory.dmp	family_blackmoon
behavioral2/memory/2844-48-0x0000000003750000-0x0000000003791000-memory.dmp	family_blackmoon

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	TGazUb.exe

Deletes itself 1 IoCs

pid	Process
2844	TGazUb.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	TGazUb.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	TGazUb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 16 IoCs

pid	Process
3240	a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3240-4-0x00000000033A0000-0x00000000033AB000-memory.dmp	upx
behavioral2/memory/3240-3-0x00000000033A0000-0x00000000033AB000-memory.dmp	upx
behavioral2/memory/2844-10-0x00000000014C0000-0x00000000014CB000-memory.dmp	upx
behavioral2/memory/2844-12-0x00000000014C0000-0x00000000014CB000-memory.dmp	upx
behavioral2/memory/2844-19-0x0000000003420000-0x000000000342B000-memory.dmp	upx
behavioral2/memory/2844-18-0x0000000003420000-0x000000000342B000-memory.dmp	upx
behavioral2/memory/2844-50-0x00000000014C0000-0x00000000014CB000-memory.dmp	upx
behavioral2/memory/2844-52-0x0000000003420000-0x000000000342B000-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	a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TGazUb.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	TGazUb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	TGazUb.exe

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RgCnXL Nqmgg	TGazUb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RgCnXL Nqmgg\Shell	TGazUb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RgCnXL Nqmgg\Shell\Open	TGazUb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RgCnXL Nqmgg\Shell\Open\Command\ = "\"C:\\Users\\Public\\Downloads\\TGazUb.exe\"mQiSadpa MzrcNnZS aWxMxFIq"	TGazUb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.GTtx	TGazUb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.GTtx\ = "RgCnXL Nqmgg"	TGazUb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RgCnXL Nqmgg\Shell\Open\Command	TGazUb.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3240	a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe
3240	a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	TGazUb.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3240	a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe
3240	a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe
3240	a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe
2844	TGazUb.exe
2844	TGazUb.exe
2844	TGazUb.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 2844	3240	a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe	83
PID 3240 wrote to memory of 2844	3240	a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe	83
PID 3240 wrote to memory of 2844	3240	a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe	83

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	TGazUb.exe

C:\Users\Admin\AppData\Local\Temp\a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe
"C:\Users\Admin\AppData\Local\Temp\a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Users\Public\Downloads\TGazUb.exe
  YlOUjpewWlaiEBLl
  2⤵
  - UAC bypass
  - Deletes itself
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\Downloads\TGazUb.exe

Filesize
3.3MB

MD5
9864f180fe6ba36961d20acb9f61ea62

SHA1
dae87fe5dac27c7340be6ee9928720af8c22b9df

SHA256
a25a7ea81fe613939c111e833e3f6335406f788c2c73220d893d65b8919e61bb

SHA512
c053c61035231752a409dffe4da1a9af2b0f8ceb0fcf265be685d7949f5c16f2424704b49a08e8d0e62d2355d1bbacd5fe92ebe7bc4cf894fcd5f8697f8dcac4

Download Submit
memory/2844-44-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-56-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-65-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-64-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-63-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-9-0x00000000FFA60000-0x00000000FFE31000-memory.dmp

Filesize
3.8MB

Download
memory/2844-10-0x00000000014C0000-0x00000000014CB000-memory.dmp

Filesize
44KB

Download
memory/2844-11-0x0000000003750000-0x0000000003791000-memory.dmp

Filesize
260KB

Download
memory/2844-12-0x00000000014C0000-0x00000000014CB000-memory.dmp

Filesize
44KB

Download
memory/2844-45-0x00000000FFA60000-0x00000000FFE31000-memory.dmp

Filesize
3.8MB

Download
memory/2844-62-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-61-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-19-0x0000000003420000-0x000000000342B000-memory.dmp

Filesize
44KB

Download
memory/2844-20-0x00000000070E0000-0x00000000070E1000-memory.dmp

Filesize
4KB

Download
memory/2844-18-0x0000000003420000-0x000000000342B000-memory.dmp

Filesize
44KB

Download
memory/2844-21-0x0000000001360000-0x0000000001361000-memory.dmp

Filesize
4KB

Download
memory/2844-22-0x0000000003430000-0x0000000003431000-memory.dmp

Filesize
4KB

Download
memory/2844-60-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-59-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-46-0x00000000038C0000-0x00000000038C1000-memory.dmp

Filesize
4KB

Download
memory/2844-58-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-48-0x0000000003750000-0x0000000003791000-memory.dmp

Filesize
260KB

Download
memory/2844-50-0x00000000014C0000-0x00000000014CB000-memory.dmp

Filesize
44KB

Download
memory/2844-51-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-52-0x0000000003420000-0x000000000342B000-memory.dmp

Filesize
44KB

Download
memory/2844-53-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-54-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-55-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/2844-47-0x0000000003820000-0x0000000003821000-memory.dmp

Filesize
4KB

Download
memory/2844-57-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/3240-13-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/3240-4-0x00000000033A0000-0x00000000033AB000-memory.dmp

Filesize
44KB

Download
memory/3240-0-0x0000000000400000-0x0000000000FF9000-memory.dmp

Filesize
12.0MB

Download
memory/3240-14-0x00000000FFA60000-0x00000000FFE31000-memory.dmp

Filesize
3.8MB

Download
memory/3240-15-0x0000000003630000-0x0000000003671000-memory.dmp

Filesize
260KB

Download
memory/3240-1-0x00000000FFA60000-0x00000000FFE31000-memory.dmp

Filesize
3.8MB

Download
memory/3240-2-0x0000000003630000-0x0000000003671000-memory.dmp

Filesize
260KB

Download
memory/3240-3-0x00000000033A0000-0x00000000033AB000-memory.dmp

Filesize
44KB

Download