Analysis
-
max time kernel
147s -
max time network
146s -
platform
windows10_x64 -
resource
win10-en -
submitted
11-09-2021 16:46
Static task
static1
Behavioral task
behavioral1
Sample
Invoice #09747583900.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
Invoice #09747583900.exe
Resource
win10-en
General
-
Target
Invoice #09747583900.exe
-
Size
635KB
-
MD5
027ed8a97dd1dd28cc73c9edf4ec89ab
-
SHA1
131efcf3ee4e6f0629027066ab002355c2f20a00
-
SHA256
81f7a0f726f4001c9e4e7d67ba9ab6c3f45139887dabe78f6e3d04dd2b0557e2
-
SHA512
0c6b3606b56fe7662895783a1512ca62290697049230433ca645e953218bce1311e5dd970dbb30b0a575ef1e0398e5874d602c9f6313f64e2b245a02ff55d497
Malware Config
Extracted
njrat
v4.0
AhKey_000_Sat
cdanger492.duckdns.org:4480
Windows
-
reg_key
Windows
-
splitter
|-F-|
Signatures
-
Drops startup file 1 IoCs
Processes:
Invoice #09747583900.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk Invoice #09747583900.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Invoice #09747583900.exedescription pid process target process PID 3220 set thread context of 672 3220 Invoice #09747583900.exe Invoice #09747583900.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious use of AdjustPrivilegeToken 25 IoCs
Processes:
Invoice #09747583900.exedescription pid process Token: SeDebugPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe Token: 33 672 Invoice #09747583900.exe Token: SeIncBasePriorityPrivilege 672 Invoice #09747583900.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Invoice #09747583900.exedescription pid process target process PID 3220 wrote to memory of 3312 3220 Invoice #09747583900.exe schtasks.exe PID 3220 wrote to memory of 3312 3220 Invoice #09747583900.exe schtasks.exe PID 3220 wrote to memory of 3312 3220 Invoice #09747583900.exe schtasks.exe PID 3220 wrote to memory of 672 3220 Invoice #09747583900.exe Invoice #09747583900.exe PID 3220 wrote to memory of 672 3220 Invoice #09747583900.exe Invoice #09747583900.exe PID 3220 wrote to memory of 672 3220 Invoice #09747583900.exe Invoice #09747583900.exe PID 3220 wrote to memory of 672 3220 Invoice #09747583900.exe Invoice #09747583900.exe PID 3220 wrote to memory of 672 3220 Invoice #09747583900.exe Invoice #09747583900.exe PID 3220 wrote to memory of 672 3220 Invoice #09747583900.exe Invoice #09747583900.exe PID 3220 wrote to memory of 672 3220 Invoice #09747583900.exe Invoice #09747583900.exe PID 3220 wrote to memory of 672 3220 Invoice #09747583900.exe Invoice #09747583900.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice #09747583900.exe"C:\Users\Admin\AppData\Local\Temp\Invoice #09747583900.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Evmpca" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD6A.tmp"2⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\Invoice #09747583900.exe"{path}"2⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice #09747583900.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
-
C:\Users\Admin\AppData\Local\Temp\tmpBD6A.tmpMD5
390b7097bb3312f6fd617f2e9aa4a60e
SHA1c167d2f53c99b3f3585a0ec6fef63edbe97c3b79
SHA256501c5a245c72520ec9c63c9791248da2d145904c4dd14deb4870eac1b78af849
SHA512e402d43a8ca4305d8399b8988c3b69d13f0767f3b3d08de43c2a8360425935c46000a8b4bc2c93e19b494f3777894c35ba4e9b3f67f459f0de356d8ff250df2f
-
memory/672-139-0x0000000006350000-0x0000000006351000-memory.dmpFilesize
4KB
-
memory/672-136-0x0000000006130000-0x0000000006131000-memory.dmpFilesize
4KB
-
memory/672-130-0x000000000040839E-mapping.dmp
-
memory/672-129-0x0000000000400000-0x000000000040E000-memory.dmpFilesize
56KB
-
memory/3220-120-0x00000000052F0000-0x00000000052F1000-memory.dmpFilesize
4KB
-
memory/3220-123-0x0000000002B40000-0x0000000002B41000-memory.dmpFilesize
4KB
-
memory/3220-124-0x0000000005260000-0x000000000526E000-memory.dmpFilesize
56KB
-
memory/3220-125-0x00000000059E0000-0x0000000005A51000-memory.dmpFilesize
452KB
-
memory/3220-126-0x0000000005A60000-0x0000000005A7D000-memory.dmpFilesize
116KB
-
memory/3220-122-0x0000000005450000-0x0000000005451000-memory.dmpFilesize
4KB
-
memory/3220-121-0x0000000005120000-0x0000000005121000-memory.dmpFilesize
4KB
-
memory/3220-115-0x0000000000850000-0x0000000000851000-memory.dmpFilesize
4KB
-
memory/3220-119-0x0000000009B70000-0x0000000009B71000-memory.dmpFilesize
4KB
-
memory/3220-118-0x00000000095D0000-0x00000000095D1000-memory.dmpFilesize
4KB
-
memory/3220-117-0x0000000005090000-0x00000000050E2000-memory.dmpFilesize
328KB
-
memory/3312-127-0x0000000000000000-mapping.dmp