blackmoon | b649a3f25df687508fa92c830dfa13b13a486f62ab344bb8d0214bd5b8172b2f

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 08:48

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General

Target

b649a3f25df687508fa92c830dfa13b13a486f62ab344bb8d0214bd5b8172b2f.dll
Size

437KB
MD5

abae4af7a07f8ed36abc6a489f448167
SHA1

551b67260bfabde2bc8527b46a906e1dfb1cfb6c
SHA256

b649a3f25df687508fa92c830dfa13b13a486f62ab344bb8d0214bd5b8172b2f
SHA512

71e75b13713d455d101bff548a1f856e2f506b18464be33f95c5033dfa1ca46d293500ca42b88ac7e6a1addf749b71574463d780e53873f7543780a3adaf7e55
SSDEEP

6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6W4:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSi

Score

10^/10

blackmoon gh0strat purplefox banker discovery rat rootkit trojan upx

Malware Config

Signatures

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

Detect Blackmoon payload 2 IoCs

resource	yara_rule
behavioral1/memory/2344-2-0x0000000010000000-0x00000000100A6000-memory.dmp	family_blackmoon
behavioral1/memory/2344-13-0x0000000010000000-0x00000000100A6000-memory.dmp	family_blackmoon

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2096-33-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit
behavioral1/memory/2096-35-0x0000000010000000-0x00000000101A0000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2096-33-0x0000000010000000-0x00000000101A0000-memory.dmp	family_gh0strat
behavioral1/memory/2096-35-0x0000000010000000-0x00000000101A0000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

description	pid	Process	procid_target
PID 2344 created 424	2344	rundll32.exe	5
PID 2344 created 424	2344	rundll32.exe	5

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2344-2-0x0000000010000000-0x00000000100A6000-memory.dmp	upx
behavioral1/memory/2344-1-0x0000000010000000-0x00000000100A6000-memory.dmp	upx
behavioral1/memory/2096-4-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2096-8-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2344-13-0x0000000010000000-0x00000000100A6000-memory.dmp	upx
behavioral1/memory/2096-15-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2340-32-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2340-31-0x0000000000400000-0x0000000000543000-memory.dmp	upx
behavioral1/memory/2096-6-0x0000000000400000-0x0000000000543000-memory.dmp	upx

Enumerates connected drives 3 TTPs 44 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

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2344 set thread context of 2096	2344	rundll32.exe	32
PID 2344 set thread context of 2340	2344	rundll32.exe	33

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

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Modifies data under HKEY_USERS 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	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
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
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000003000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	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 (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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2344	rundll32.exe
2344	rundll32.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2340	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe
2096	svchost.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	rundll32.exe
Token: SeDebugPrivilege	2344	rundll32.exe
Token: 33	2096	svchost.exe
Token: SeIncBasePriorityPrivilege	2096	svchost.exe
Token: 33	2340	svchost.exe
Token: SeIncBasePriorityPrivilege	2340	svchost.exe
Token: 33	2096	svchost.exe
Token: 33	2340	svchost.exe
Token: SeIncBasePriorityPrivilege	2096	svchost.exe
Token: SeIncBasePriorityPrivilege	2340	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2344	2164	rundll32.exe	31
PID 2164 wrote to memory of 2344	2164	rundll32.exe	31
PID 2164 wrote to memory of 2344	2164	rundll32.exe	31
PID 2164 wrote to memory of 2344	2164	rundll32.exe	31
PID 2164 wrote to memory of 2344	2164	rundll32.exe	31
PID 2164 wrote to memory of 2344	2164	rundll32.exe	31
PID 2164 wrote to memory of 2344	2164	rundll32.exe	31
PID 2344 wrote to memory of 2096	2344	rundll32.exe	32
PID 2344 wrote to memory of 2096	2344	rundll32.exe	32
PID 2344 wrote to memory of 2096	2344	rundll32.exe	32
PID 2344 wrote to memory of 2096	2344	rundll32.exe	32
PID 2344 wrote to memory of 2096	2344	rundll32.exe	32
PID 2344 wrote to memory of 2096	2344	rundll32.exe	32
PID 2344 wrote to memory of 2096	2344	rundll32.exe	32
PID 2344 wrote to memory of 2096	2344	rundll32.exe	32
PID 2344 wrote to memory of 2340	2344	rundll32.exe	33
PID 2344 wrote to memory of 2340	2344	rundll32.exe	33
PID 2344 wrote to memory of 2340	2344	rundll32.exe	33
PID 2344 wrote to memory of 2340	2344	rundll32.exe	33
PID 2344 wrote to memory of 2340	2344	rundll32.exe	33
PID 2344 wrote to memory of 2340	2344	rundll32.exe	33
PID 2344 wrote to memory of 2340	2344	rundll32.exe	33
PID 2344 wrote to memory of 2340	2344	rundll32.exe	33

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:424
- 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:2096
- 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:2340

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b649a3f25df687508fa92c830dfa13b13a486f62ab344bb8d0214bd5b8172b2f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b649a3f25df687508fa92c830dfa13b13a486f62ab344bb8d0214bd5b8172b2f.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:2344

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

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Downloads

memory/2096-15-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2096-4-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2096-35-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/2096-3-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2096-34-0x000000007585E000-0x000000007585F000-memory.dmp

Filesize
4KB

Download
memory/2096-8-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2096-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2096-33-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/2096-6-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2340-31-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2340-32-0x0000000000400000-0x0000000000543000-memory.dmp

Filesize
1.3MB

Download
memory/2340-60-0x0000000075830000-0x0000000075940000-memory.dmp

Filesize
1.1MB

Download
memory/2340-67-0x0000000075830000-0x0000000075940000-memory.dmp

Filesize
1.1MB

Download
memory/2344-2-0x0000000010000000-0x00000000100A6000-memory.dmp

Filesize
664KB

Download
memory/2344-13-0x0000000010000000-0x00000000100A6000-memory.dmp

Filesize
664KB

Download
memory/2344-1-0x0000000010000000-0x00000000100A6000-memory.dmp

Filesize
664KB

Download
memory/2344-0-0x0000000010000000-0x00000000100A6000-memory.dmp

Filesize
664KB

Download