nworm | 34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f

General

Target

34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.exe
Size

83KB
MD5

972a4f69140dd4785c051d5e82937404
SHA1

5792f489d1337f21b4783aa9d87dd664f4b662bc
SHA256

34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f
SHA512

39fb7b873c325cc7e4a5a73ec9383e8ff604c649a2b1e3dbb410e63d6c66e44a37568e6b9ff475d05b4133cad1c95a246ce831a2075f79189921536c9ea93a6c

Score

10^/10

nworm downloader worm

Malware Config

Extracted

Family

nworm

Version

v0.3.8

C2

narotomagic.publicvm.com:1170

Mutex

c31d7883

Signatures

NWorm
A TrickBot module used to propagate to vulnerable domain controllers.
worm downloader nworm
Executes dropped EXE 1 IoCs

Processes:

SANTOK.exe

pid process

4368 SANTOK.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4268 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4380 timeout.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.exe

description pid process

Token: SeDebugPrivilege 3652 34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.exe

pid	process
4368	SANTOK.exe

pid	process
4268	schtasks.exe

pid	process
4380	timeout.exe

description	pid	process
Token: SeDebugPrivilege	3652	34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.execmd.exe

description	pid	process	target process
PID 3652 wrote to memory of 4268	3652	34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.exe	schtasks.exe
PID 3652 wrote to memory of 4268	3652	34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.exe	schtasks.exe
PID 3652 wrote to memory of 4384	3652	34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.exe	cmd.exe
PID 3652 wrote to memory of 4384	3652	34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.exe	cmd.exe
PID 4384 wrote to memory of 4380	4384	cmd.exe	timeout.exe
PID 4384 wrote to memory of 4380	4384	cmd.exe	timeout.exe
PID 4384 wrote to memory of 4368	4384	cmd.exe	SANTOK.exe
PID 4384 wrote to memory of 4368	4384	cmd.exe	SANTOK.exe

C:\Users\Admin\AppData\Local\Temp\34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.exe
"C:\Users\Admin\AppData\Local\Temp\34a01c5a55d7f77a53d694af2dcd284b259530a34a3ac8caa279cccc4959710f.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3652

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'SANTOK.exe"' /tr "'C:\Users\Admin\AppData\Roaming\SANTOK.exe"'
2⤵
- Creates scheduled task(s)
PID:4268

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1818.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:4384

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:4380

C:\Users\Admin\AppData\Roaming\SANTOK.exe
"C:\Users\Admin\AppData\Roaming\SANTOK.exe"
3⤵
- Executes dropped EXE
PID:4368

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1818.tmp.bat
MD5
1296f9e2ab3bbcb2916adf13e455994f

SHA1
2fa18742c4a2daff32acfa874bf15e0f6e070a79

SHA256
412b339508a0d924a988acda3bd5b3b7c6d93b8db0348f4dcc852f8b555ddc3c

SHA512
98c43af2ecf32b367fe42438f9965ec7adad086519f8bf9aa8a9dfe51a0d23fd380196bd8897c058b0af4659dab4c230fb4f56c777b927f66276b0ec3a67c2dc

Download Submit
C:\Users\Admin\AppData\Roaming\SANTOK.exe
MD5
b4550711522273f6531cf1b03441c373

SHA1
a6678cae3edee0f47f80d189deade266499d74f5

SHA256
8bda248c6b2d8faaa44d7bf1b1678d2530a9180d63d3bcb7818f66840a4016c2

SHA512
23d746191ee326c26b7b515114b7889e1e767d52debd88757db25c740d7de8466c64e802ea59655e15bd8d3783b0aa704c92c75fbccdec98f7b261028ded7858

Download Submit
C:\Users\Admin\AppData\Roaming\SANTOK.exe
MD5
b4550711522273f6531cf1b03441c373

SHA1
a6678cae3edee0f47f80d189deade266499d74f5

SHA256
8bda248c6b2d8faaa44d7bf1b1678d2530a9180d63d3bcb7818f66840a4016c2

SHA512
23d746191ee326c26b7b515114b7889e1e767d52debd88757db25c740d7de8466c64e802ea59655e15bd8d3783b0aa704c92c75fbccdec98f7b261028ded7858

Download Submit
memory/3652-115-0x0000000000820000-0x000000000083A000-memory.dmp

Filesize
104KB

Download
memory/4368-119-0x000000001B280000-0x000000001B282000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads