njrat | bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 02:02

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General

Target
bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe
Size 117KB
Sample240819-cglb8sybnd
SHA256 bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430
MD5 178bd89f9113e4ca4f35458e9c779116
SHA1 f2b45ce58f29f18964a031578ddff51ab52033d2
SHA512 20b05ab4e9239f1d8fbdb309863913f0e0d47682b28da78a34341edce3bcf6c16f738682a47946eaf8a23851eba39941704bd7d0ed2ff3f5fd40dab6ead540df
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZR:P5eznsjsguGDFqGZ2rDLH
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1824	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2932	chargeable.exe
2768	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2644	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe
2644	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe"	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2768	2932	chargeable.exe	31

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe
Token: 33	2768	chargeable.exe
Token: SeIncBasePriorityPrivilege	2768	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2932	2644	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe	30
PID 2644 wrote to memory of 2932	2644	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe	30
PID 2644 wrote to memory of 2932	2644	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe	30
PID 2644 wrote to memory of 2932	2644	bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe	30
PID 2932 wrote to memory of 2768	2932	chargeable.exe	31
PID 2932 wrote to memory of 2768	2932	chargeable.exe	31
PID 2932 wrote to memory of 2768	2932	chargeable.exe	31
PID 2932 wrote to memory of 2768	2932	chargeable.exe	31
PID 2932 wrote to memory of 2768	2932	chargeable.exe	31
PID 2932 wrote to memory of 2768	2932	chargeable.exe	31
PID 2932 wrote to memory of 2768	2932	chargeable.exe	31
PID 2932 wrote to memory of 2768	2932	chargeable.exe	31
PID 2932 wrote to memory of 2768	2932	chargeable.exe	31
PID 2768 wrote to memory of 1824	2768	chargeable.exe	32
PID 2768 wrote to memory of 1824	2768	chargeable.exe	32
PID 2768 wrote to memory of 1824	2768	chargeable.exe	32
PID 2768 wrote to memory of 1824	2768	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe
"C:\Users\Admin\AppData\Local\Temp\bf2de56ca9ce6fc0b83d911ea86356d3338823d33630556de10878aeb3de0430.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2768
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

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

37C951188967C8EB88D99893D9D191FE

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE
Size 1KB
SHA256 acc9932453f5aa68f4b95986668f5584f99e55bbe02eefc0d0960dab376df81a
MD5 e7122c733f9e37bba0ca4c985ce11d6d
SHA1 d661aa5b31ff7ef2df9bc4095279058c36499af2
SHA512 84cddf68a46f455b4ebbb8c0c70607fe60796cfc5eabdace12d0684a1323af9681700acbdbdc37e63d7806d0220fce9cba5213bb35cee056f9d71646f98711b9
MD5 SHA1 SHA512

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37C951188967C8EB88D99893D9D191FE

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE
Size 264B
SHA256 3cafc598c3e93df756ef800b8d14c86fa82c4d1dbf7a91a577fc0de82401905d
MD5 7a954c2fbeadd413d8a36d6ee422425c
SHA1 b9220ddcde20c8e7abdc1a1e13af06c39ead98c5
SHA512 3754f835f408a0adfccb125666b540835e8bfdcfe26eeb84b2c7a2d21ab3fb7ba8f88a3d16736e9a0465617edf2130512b52f1a6d64a279ceca06871d742284e
MD5 SHA1 SHA512

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 c897a5cc2a3b0b69bd7c4ad5e5da2b1b25b4874b4787af07cd59007b67ff9237
MD5 1f6249874a38fc8bdb7f4e4f5751bac1
SHA1 7bf83dc0bd0058e5d8113727c21881c2ba4f34a4
SHA512 ccac3c6e66450faf7e90161f9fec8dc19fb2bba79298108fa2256f436804f12fd04f58c2ce31fd421ada8c6a539f22ce578d018128412717e284c40b2261041e
MD5 SHA1 SHA512

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 9f2bdb1fddacd6510c8bf500dc79b4ba498d48f4a0f315c37dc65e38ed9287e1
MD5 d58a3618fc105b87271806c52578dd9c
SHA1 f7f2b5ca2ab59694795ac10d5c3704cc0f0e8216
SHA512 de8b931e2f158ba5e2546dcff3715a92b660a8da13002fb050bc1369562909196494da0712509fda9fcc5cfedb6018efcf046375dfa4c823410254684cb4c9b3
MD5 SHA1 SHA512

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 288957dd780761fd2af1dbec1db08b57ad476e4e276d7c0c083ec4ca905ac0e4
MD5 bb44d4537a1e2876657a651cff23db3f
SHA1 6fa61da500d86ecf22847a13d901aca5756477a6
SHA512 55888a31c8759b848ed63d7b36a503f0a04814a6325c3e4a71e8df1944ae5c2ca9275043da37ae6ffbeae06e1e37c575400d1555576d790cfc6a73dd0d7c236d
MD5 SHA1 SHA512

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Cab4E03.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab4E03.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

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Tar4E25.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar4E25.tmp
Size 181KB
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP 1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG
MD5 SHA1 SHA512 SSDEEP

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chargeable.exe

Path \Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 117KB
SHA256 9fab2ee384cf719bd8bbe117573c2153d245970bacb008d32f2876bbdcfefbab
MD5 00c2dbd82133c684beb05ce8ffb3ed28
SHA1 101e0711b399b05a03ace940ddb853ac05ddb9f8
SHA512 9509a6a55db93cdae6893cd4760b7944b7d3714cb43d83cb12486369fa761cab3329470e01c7ec2bc81dd2bca8dfffeb7bb136248af43898f0e60acb5a3e7a08
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZJ:P5eznsjsguGDFqGZ2rDLf
MD5 SHA1 SHA512 SSDEEP

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memory/2644-189-0x0000000074300000-0x00000000748AB000-memory.dmp

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memory/2644-171-0x0000000074300000-0x00000000748AB000-memory.dmp

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memory/2644-0-0x0000000074301000-0x0000000074302000-memory.dmp

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memory/2644-2-0x0000000074300000-0x00000000748AB000-memory.dmp

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memory/2644-1-0x0000000074300000-0x00000000748AB000-memory.dmp

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memory/2768-347-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2768-350-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2768-349-0x0000000000400000-0x000000000040C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads