njrat | 010f5f978596f99377d06c9a6e7b982def7c5cbb857e091af1a3f68c27295bc9

General

Target

NEW_PURCHASE_ORDER_.exe
Size

282KB
MD5

94cd3aef83f29bb2dd6d8fe40d751603
SHA1

eb3439a00509d5e8ba99f97323cf2617d97b3106
SHA256

0fa2721f9583ee945d3909290c0ead73dcf4e3cb5739a6f4423f3da6899fd602
SHA512

fc78829979bd284924cc752dafd47a9dd6813e59b76c9620bd18eb3fb179db66aa87584600d38e15d0637ba52f8fbd8618b2de836251ae9d0e5b0d5c61b9c0db

Score

10^/10

njrat mon$y evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Mon$y

C2

whmfix009.cf:5409

Mutex

67c692a08f8c138aa1c442e78c2761bc

Attributes

reg_key
67c692a08f8c138aa1c442e78c2761bc
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

invoice.exeinvoice.exe

pid process

208 invoice.exe
1068 invoice.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
208	invoice.exe
1068	invoice.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

NEW_PURCHASE_ORDER_.exeNEW_PURCHASE_ORDER_.exeinvoice.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	NEW_PURCHASE_ORDER_.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	NEW_PURCHASE_ORDER_.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	invoice.exe

Drops startup file 2 IoCs

Processes:

invoice.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\67c692a08f8c138aa1c442e78c2761bc.exe	invoice.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\67c692a08f8c138aa1c442e78c2761bc.exe	invoice.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

invoice.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\67c692a08f8c138aa1c442e78c2761bc = "\"C:\\Users\\Admin\\AppData\\Roaming\\invoice.exe\" .."	invoice.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\67c692a08f8c138aa1c442e78c2761bc = "\"C:\\Users\\Admin\\AppData\\Roaming\\invoice.exe\" .."	invoice.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

NEW_PURCHASE_ORDER_.exeinvoice.exe

description	pid	process	target process
PID 1808 set thread context of 2024	1808	NEW_PURCHASE_ORDER_.exe	NEW_PURCHASE_ORDER_.exe
PID 208 set thread context of 1068	208	invoice.exe	invoice.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4716 schtasks.exe
3208 schtasks.exe

pid	process
4716	schtasks.exe
3208	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

NEW_PURCHASE_ORDER_.exeinvoice.exe

pid	process
1808	NEW_PURCHASE_ORDER_.exe
1808	NEW_PURCHASE_ORDER_.exe
1808	NEW_PURCHASE_ORDER_.exe
1808	NEW_PURCHASE_ORDER_.exe
208	invoice.exe
208	invoice.exe
208	invoice.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

NEW_PURCHASE_ORDER_.exeinvoice.exeinvoice.exe

description	pid	process
Token: SeDebugPrivilege	1808	NEW_PURCHASE_ORDER_.exe
Token: SeDebugPrivilege	208	invoice.exe
Token: SeDebugPrivilege	1068	invoice.exe
Token: 33	1068	invoice.exe
Token: SeIncBasePriorityPrivilege	1068	invoice.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

NEW_PURCHASE_ORDER_.exeNEW_PURCHASE_ORDER_.exeinvoice.exeinvoice.exe

description	pid	process	target process
PID 1808 wrote to memory of 4716	1808	NEW_PURCHASE_ORDER_.exe	schtasks.exe
PID 1808 wrote to memory of 4716	1808	NEW_PURCHASE_ORDER_.exe	schtasks.exe
PID 1808 wrote to memory of 4716	1808	NEW_PURCHASE_ORDER_.exe	schtasks.exe
PID 1808 wrote to memory of 2024	1808	NEW_PURCHASE_ORDER_.exe	NEW_PURCHASE_ORDER_.exe
PID 1808 wrote to memory of 2024	1808	NEW_PURCHASE_ORDER_.exe	NEW_PURCHASE_ORDER_.exe
PID 1808 wrote to memory of 2024	1808	NEW_PURCHASE_ORDER_.exe	NEW_PURCHASE_ORDER_.exe
PID 1808 wrote to memory of 2024	1808	NEW_PURCHASE_ORDER_.exe	NEW_PURCHASE_ORDER_.exe
PID 1808 wrote to memory of 2024	1808	NEW_PURCHASE_ORDER_.exe	NEW_PURCHASE_ORDER_.exe
PID 1808 wrote to memory of 2024	1808	NEW_PURCHASE_ORDER_.exe	NEW_PURCHASE_ORDER_.exe
PID 1808 wrote to memory of 2024	1808	NEW_PURCHASE_ORDER_.exe	NEW_PURCHASE_ORDER_.exe
PID 1808 wrote to memory of 2024	1808	NEW_PURCHASE_ORDER_.exe	NEW_PURCHASE_ORDER_.exe
PID 2024 wrote to memory of 208	2024	NEW_PURCHASE_ORDER_.exe	invoice.exe
PID 2024 wrote to memory of 208	2024	NEW_PURCHASE_ORDER_.exe	invoice.exe
PID 2024 wrote to memory of 208	2024	NEW_PURCHASE_ORDER_.exe	invoice.exe
PID 208 wrote to memory of 3208	208	invoice.exe	schtasks.exe
PID 208 wrote to memory of 3208	208	invoice.exe	schtasks.exe
PID 208 wrote to memory of 3208	208	invoice.exe	schtasks.exe
PID 208 wrote to memory of 1068	208	invoice.exe	invoice.exe
PID 208 wrote to memory of 1068	208	invoice.exe	invoice.exe
PID 208 wrote to memory of 1068	208	invoice.exe	invoice.exe
PID 208 wrote to memory of 1068	208	invoice.exe	invoice.exe
PID 208 wrote to memory of 1068	208	invoice.exe	invoice.exe
PID 208 wrote to memory of 1068	208	invoice.exe	invoice.exe
PID 208 wrote to memory of 1068	208	invoice.exe	invoice.exe
PID 208 wrote to memory of 1068	208	invoice.exe	invoice.exe
PID 1068 wrote to memory of 3924	1068	invoice.exe	netsh.exe
PID 1068 wrote to memory of 3924	1068	invoice.exe	netsh.exe
PID 1068 wrote to memory of 3924	1068	invoice.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\NEW_PURCHASE_ORDER_.exe
"C:\Users\Admin\AppData\Local\Temp\NEW_PURCHASE_ORDER_.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PVXpBGEUT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC46.tmp"
2⤵
- Creates scheduled task(s)
PID:4716

C:\Users\Admin\AppData\Local\Temp\NEW_PURCHASE_ORDER_.exe
"{path}"
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2024

C:\Users\Admin\AppData\Roaming\invoice.exe
"C:\Users\Admin\AppData\Roaming\invoice.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PVXpBGEUT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE9FD.tmp"
4⤵
- Creates scheduled task(s)
PID:3208

C:\Users\Admin\AppData\Roaming\invoice.exe
"{path}"
4⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1068

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\invoice.exe" "invoice.exe" ENABLE
5⤵
PID:3924

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW_PURCHASE_ORDER_.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDC46.tmp
Filesize
1KB

MD5
ef62084e7c7752319cf9a8aad8906515

SHA1
141041d80a8aa7d75b837943555b6041f4a68f08

SHA256
aa658bed6241de39908551f1b196ef44dc6f77678efdb12f44cc5697688cb02a

SHA512
02e86466ca804aff948a23b8db70bda475966f65fa96235e47bf746937405e577840f28a0155e2bd039172a127ad331365ec6ee368a0b633bb84206c21b3a747

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE9FD.tmp
Filesize
1KB

MD5
ef62084e7c7752319cf9a8aad8906515

SHA1
141041d80a8aa7d75b837943555b6041f4a68f08

SHA256
aa658bed6241de39908551f1b196ef44dc6f77678efdb12f44cc5697688cb02a

SHA512
02e86466ca804aff948a23b8db70bda475966f65fa96235e47bf746937405e577840f28a0155e2bd039172a127ad331365ec6ee368a0b633bb84206c21b3a747

Download Submit
C:\Users\Admin\AppData\Roaming\invoice.exe
Filesize
282KB

MD5
94cd3aef83f29bb2dd6d8fe40d751603

SHA1
eb3439a00509d5e8ba99f97323cf2617d97b3106

SHA256
0fa2721f9583ee945d3909290c0ead73dcf4e3cb5739a6f4423f3da6899fd602

SHA512
fc78829979bd284924cc752dafd47a9dd6813e59b76c9620bd18eb3fb179db66aa87584600d38e15d0637ba52f8fbd8618b2de836251ae9d0e5b0d5c61b9c0db

Download Submit
C:\Users\Admin\AppData\Roaming\invoice.exe
Filesize
282KB

MD5
94cd3aef83f29bb2dd6d8fe40d751603

SHA1
eb3439a00509d5e8ba99f97323cf2617d97b3106

SHA256
0fa2721f9583ee945d3909290c0ead73dcf4e3cb5739a6f4423f3da6899fd602

SHA512
fc78829979bd284924cc752dafd47a9dd6813e59b76c9620bd18eb3fb179db66aa87584600d38e15d0637ba52f8fbd8618b2de836251ae9d0e5b0d5c61b9c0db

Download Submit
C:\Users\Admin\AppData\Roaming\invoice.exe
Filesize
282KB

MD5
94cd3aef83f29bb2dd6d8fe40d751603

SHA1
eb3439a00509d5e8ba99f97323cf2617d97b3106

SHA256
0fa2721f9583ee945d3909290c0ead73dcf4e3cb5739a6f4423f3da6899fd602

SHA512
fc78829979bd284924cc752dafd47a9dd6813e59b76c9620bd18eb3fb179db66aa87584600d38e15d0637ba52f8fbd8618b2de836251ae9d0e5b0d5c61b9c0db

Download Submit
memory/208-140-0x0000000000000000-mapping.dmp

Download
memory/1068-145-0x0000000000000000-mapping.dmp

Download
memory/1808-134-0x0000000008310000-0x00000000083AC000-memory.dmp

Filesize
624KB

Download
memory/1808-130-0x0000000000070000-0x00000000000BC000-memory.dmp

Filesize
304KB

Download
memory/1808-133-0x0000000004A50000-0x0000000004A5A000-memory.dmp

Filesize
40KB

Download
memory/1808-132-0x0000000004AD0000-0x0000000004B62000-memory.dmp

Filesize
584KB

Download
memory/1808-131-0x0000000005080000-0x0000000005624000-memory.dmp

Filesize
5.6MB

Download
memory/2024-138-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2024-137-0x0000000000000000-mapping.dmp

Download
memory/3208-143-0x0000000000000000-mapping.dmp

Download
memory/3924-148-0x0000000000000000-mapping.dmp

Download
memory/4716-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads