blackmoon | c0cc0ee5e5feb8291978bbcf0494e3e7076108e69b37d721904a711150cbe845

Analysis

max time kernel
150s
max time network
140s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-11-2024 21:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c0cc0ee5e5feb8291978bbcf0494e3e7076108e69b37d721904a711150cbe845.dll
Size

431KB
MD5

ea523c70dac15d480af6bb95a266f1fb
SHA1

e3f792cc047c5294c39ca72e5784e7fafd696ea1
SHA256

c0cc0ee5e5feb8291978bbcf0494e3e7076108e69b37d721904a711150cbe845
SHA512

4ff251d7d1edd433c83f7c4cc352314c1f57cc70bf89df53d283c7cd226792920997fb7617577c79d708f07dbabb59e0f23d9d6bf1f72df17253ce90923f4993
SSDEEP

12288:BajL+BfqlWhVqmhbS975O2ZJIYiR6GhR2gKSQ6rs50N:BanutMmc51J1iHhEz9680N

Score

10^/10

blackmoon gh0strat purplefox banker discovery rat rootkit 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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1940-1-0x0000000010000000-0x0000000010087000-memory.dmp	family_blackmoon
behavioral1/memory/1940-8-0x0000000010000000-0x0000000010087000-memory.dmp	family_blackmoon
behavioral1/memory/1940-4-0x0000000010000000-0x0000000010087000-memory.dmp	family_blackmoon

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1968-19-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral1/memory/1968-22-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1968-19-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral1/memory/1968-22-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 1940 created 432	1940	rundll32.exe	5

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	Process
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 1940 set thread context of 1968	1940	rundll32.exe	31

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1940-1-0x0000000010000000-0x0000000010087000-memory.dmp	upx
behavioral1/memory/1940-0-0x0000000010000000-0x0000000010087000-memory.dmp	upx
behavioral1/memory/1968-10-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1968-5-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1940-8-0x0000000010000000-0x0000000010087000-memory.dmp	upx
behavioral1/memory/1940-4-0x0000000010000000-0x0000000010087000-memory.dmp	upx
behavioral1/memory/1968-7-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1968-18-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1968-17-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/1968-16-0x0000000000400000-0x0000000000543000-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

Processes:

svchost.exerundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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

Processes:

svchost.exe

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

Modifies data under HKEY_USERS 12 IoCs

Processes:

svchost.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	svchost.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

Processes:

rundll32.exesvchost.exe

pid	Process
1940	rundll32.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe
1968	svchost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exesvchost.exe

description	pid	Process
Token: SeDebugPrivilege	1940	rundll32.exe
Token: 33	1968	svchost.exe
Token: SeIncBasePriorityPrivilege	1968	svchost.exe
Token: 33	1968	svchost.exe
Token: SeIncBasePriorityPrivilege	1968	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1940 wrote to memory of 1968	1940	rundll32.exe	31
PID 1940 wrote to memory of 1968	1940	rundll32.exe	31
PID 1940 wrote to memory of 1968	1940	rundll32.exe	31
PID 1940 wrote to memory of 1968	1940	rundll32.exe	31
PID 1940 wrote to memory of 1968	1940	rundll32.exe	31
PID 1940 wrote to memory of 1968	1940	rundll32.exe	31
PID 1940 wrote to memory of 1968	1940	rundll32.exe	31
PID 1940 wrote to memory of 1968	1940	rundll32.exe	31

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1968

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0cc0ee5e5feb8291978bbcf0494e3e7076108e69b37d721904a711150cbe845.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0cc0ee5e5feb8291978bbcf0494e3e7076108e69b37d721904a711150cbe845.dll,#1
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1940-8-0x0000000010000000-0x0000000010087000-memory.dmp

Filesize
540KB

Download
memory/1940-0-0x0000000010000000-0x0000000010087000-memory.dmp

Filesize
540KB

Download
memory/1940-4-0x0000000010000000-0x0000000010087000-memory.dmp

Filesize
540KB

Download
memory/1940-1-0x0000000010000000-0x0000000010087000-memory.dmp

Filesize
540KB

Download
memory/1968-10-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1968-5-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1968-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1968-2-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1968-7-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1968-19-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/1968-18-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1968-17-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1968-16-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/1968-20-0x000000007595E000-0x000000007595F000-memory.dmp

Filesize
4KB

Download
memory/1968-22-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download