njrat | 54f0b6b1c309caccd02bab4a0013277e9f1ffde051fd2e45a59d784d1f425563

General

Target

0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
Size

270KB
MD5

0428ff225e18a0e79774b8f1b0c30b80
SHA1

806413191e59a704f26287aa5b0136d64dd2f30b
SHA256

54f0b6b1c309caccd02bab4a0013277e9f1ffde051fd2e45a59d784d1f425563
SHA512

66e69515691834cb8e143e65addfbd5e1368a173da697614adb8c4b15f046aadabb15e93c0809708a0a82f7f59781ca74169756cd7012199e5c753ef502b2b86
SSDEEP

3072:WxNvADAOY5ZMb7kj92vW1gowzSRtqBP0u+BqNfzUubhpgeUATDPYiPzXGw2:WvveAb7MUgW1aBPUBqzb0ATDPbPD2

Score

10^/10

njrat flylylyl evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

FLYLYLYL

C2

cihan05.duckdns.org:1954

Mutex

079c805e27db52da73000f101b1bee84

Attributes

reg_key
079c805e27db52da73000f101b1bee84
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

Processes:

netsh.exe

pid process

2992 netsh.exe
Executes dropped EXE 2 IoCs

Processes:

tmp.exesvhost.exe

pid process

2896 tmp.exe
2632 svhost.exe
Loads dropped DLL 2 IoCs

Processes:

0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe

pid process

2440 0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
2440 0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe

description pid process target process

PID 2440 set thread context of 2632 2440 0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe svhost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2604 timeout.exe
NTFS ADS 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\chorme\chormee.exe:Zone.Identifier cmd.exe

pid	process
2992	netsh.exe

pid	process
2896	tmp.exe
2632	svhost.exe

description	pid	process	target process
PID 2440 set thread context of 2632	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	svhost.exe

pid	process
2604	timeout.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\chorme\chormee.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe

pid	process
2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

Processes:

0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exetmp.exe

description	pid	process
Token: SeDebugPrivilege	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
Token: SeDebugPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe
Token: 33	2896	tmp.exe
Token: SeIncBasePriorityPrivilege	2896	tmp.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.execmd.execmd.exetmp.exe

description	pid	process	target process
PID 2440 wrote to memory of 2304	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	cmd.exe
PID 2440 wrote to memory of 2304	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	cmd.exe
PID 2440 wrote to memory of 2304	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	cmd.exe
PID 2440 wrote to memory of 2304	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	cmd.exe
PID 2304 wrote to memory of 2668	2304	cmd.exe	reg.exe
PID 2304 wrote to memory of 2668	2304	cmd.exe	reg.exe
PID 2304 wrote to memory of 2668	2304	cmd.exe	reg.exe
PID 2304 wrote to memory of 2668	2304	cmd.exe	reg.exe
PID 2440 wrote to memory of 2896	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	tmp.exe
PID 2440 wrote to memory of 2896	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	tmp.exe
PID 2440 wrote to memory of 2896	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	tmp.exe
PID 2440 wrote to memory of 2896	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	tmp.exe
PID 2440 wrote to memory of 2632	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	svhost.exe
PID 2440 wrote to memory of 2632	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	svhost.exe
PID 2440 wrote to memory of 2632	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	svhost.exe
PID 2440 wrote to memory of 2632	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	svhost.exe
PID 2440 wrote to memory of 2632	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	svhost.exe
PID 2440 wrote to memory of 2632	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	svhost.exe
PID 2440 wrote to memory of 2632	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	svhost.exe
PID 2440 wrote to memory of 2632	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	svhost.exe
PID 2440 wrote to memory of 2632	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	svhost.exe
PID 2440 wrote to memory of 2536	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	cmd.exe
PID 2440 wrote to memory of 2536	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	cmd.exe
PID 2440 wrote to memory of 2536	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	cmd.exe
PID 2440 wrote to memory of 2536	2440	0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe	cmd.exe
PID 2536 wrote to memory of 2604	2536	cmd.exe	timeout.exe
PID 2536 wrote to memory of 2604	2536	cmd.exe	timeout.exe
PID 2536 wrote to memory of 2604	2536	cmd.exe	timeout.exe
PID 2536 wrote to memory of 2604	2536	cmd.exe	timeout.exe
PID 2896 wrote to memory of 2992	2896	tmp.exe	netsh.exe
PID 2896 wrote to memory of 2992	2896	tmp.exe	netsh.exe
PID 2896 wrote to memory of 2992	2896	tmp.exe	netsh.exe
PID 2896 wrote to memory of 2992	2896	tmp.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0428ff225e18a0e79774b8f1b0c30b80_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440

C:\Windows\SysWOW64\cmd.exe
"cmd.exe"
2⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2304

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\chorme\chormee.exe.lnk" /f
3⤵
PID:2668

C:\Users\Admin\AppData\Roaming\tmp.exe
"C:\Users\Admin\AppData\Roaming\tmp.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2896

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\tmp.exe" "tmp.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2992

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
2⤵
- Executes dropped EXE
PID:2632

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\chorme\chormee.exe.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:2536

C:\Windows\SysWOW64\timeout.exe
timeout /t 300
3⤵
- Delays execution with timeout.exe
PID:2604

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\chorme\chormee.exe.bat
Filesize
194B

MD5
609f21988eae322f33f775df1cee0481

SHA1
30b3f2bdab680ffd92ac2cd248a6af3cdfcddd01

SHA256
4891ae96168de7eb45ea4d17bdbd31ea8b29124163e3d982f4f6f120ff07e487

SHA512
061d3896c955966feae7c4f698d7e313439586c9c300a763769f1f9fa58068a68766824a970df9f3f56ee1bab32685109eed4e928b15be8445d93602be2efadb

Download Submit
C:\Users\Admin\AppData\Local\Temp\chorme\chormee.exe.jpg
Filesize
270KB

MD5
0428ff225e18a0e79774b8f1b0c30b80

SHA1
806413191e59a704f26287aa5b0136d64dd2f30b

SHA256
54f0b6b1c309caccd02bab4a0013277e9f1ffde051fd2e45a59d784d1f425563

SHA512
66e69515691834cb8e143e65addfbd5e1368a173da697614adb8c4b15f046aadabb15e93c0809708a0a82f7f59781ca74169756cd7012199e5c753ef502b2b86

Download Submit
\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
85KB

MD5
2e5f1cf69f92392f8829fc9c9263ae9b

SHA1
97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

SHA256
51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

SHA512
f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

Download Submit
\Users\Admin\AppData\Roaming\tmp.exe
Filesize
23KB

MD5
2177a5b2d4432d38ff059f9feb9b560f

SHA1
e7c62227fa5fc416cd6d0bb4fec2dc34057130f9

SHA256
76e3aa841279c976da1f37a675960dd7fcf119ef65bbe36764af1e4437c05bbf

SHA512
5c6adffad74eaa7d7ba418d1b7e2ee64d57036c0b25227746799e65e3f76817393f3416e382e13c3e179c9a9015530e5d0a791c42e83e8618398ee42d03fbfe3

Download Submit
memory/2440-0-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download
memory/2440-2-0x0000000000260000-0x00000000002A0000-memory.dmp

Filesize
256KB

Download
memory/2440-1-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download
memory/2440-46-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download
memory/2632-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2632-34-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2632-32-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2632-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-29-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2632-27-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2632-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2632-35-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2896-37-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download
memory/2896-22-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download
memory/2896-47-0x0000000074F80000-0x000000007552B000-memory.dmp

Filesize
5.7MB

Download
memory/2896-48-0x0000000000500000-0x0000000000540000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads