stealc | b1418bf6e6a65b88b7ab7eff05553f9cb656909db4c2ecba1ee79913a781702c

General

Target

9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe
Size

450KB
MD5

9c433f259204120dfbfb83fdf8b5d460
SHA1

0d4d2165eac742011b25a189bba480fded7998f2
SHA256

b1418bf6e6a65b88b7ab7eff05553f9cb656909db4c2ecba1ee79913a781702c
SHA512

75b2af6987e706c93637b0f0641a9d06c587a555d7df2220a39743ae65a04d6443fa8b7046f67ca5ac26c87e27d22f5c1af72bb0b542ec1c22d509fa63e0ee47
SSDEEP

12288:LG2lUG0NVvKXW/WqwO0YSTPZSeSnnKPkDc:LgVvoU9fsPUeSKPkDc

Score

10^/10

stealc zgrat discovery rat stealer

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes

url_path
/c698e1bc8a2f5e6d.php

Signatures

Detect ZGRat V1 3 IoCs

resource	yara_rule
behavioral1/memory/284-73-0x0000000000DE0000-0x0000000004614000-memory.dmp	family_zgrat_v1
behavioral1/memory/284-74-0x000000001ECC0000-0x000000001EDCA000-memory.dmp	family_zgrat_v1
behavioral1/memory/284-78-0x000000001E130000-0x000000001E154000-memory.dmp	family_zgrat_v1

Stealc
Stealc is an infostealer written in C++.
stealer stealc
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2648	u1pc.0.exe
1540	u1pc.1.exe

Loads dropped DLL 8 IoCs

pid	Process
2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe
2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe
2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe
2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe
2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe
2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe
2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe
2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1pc.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1pc.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1pc.1.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u1pc.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1pc.0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
284	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
284	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
284	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
284	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
284	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2648	u1pc.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	284	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
1540	u1pc.1.exe
1540	u1pc.1.exe
1540	u1pc.1.exe
1540	u1pc.1.exe
1540	u1pc.1.exe
1540	u1pc.1.exe
1540	u1pc.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
1540	u1pc.1.exe
1540	u1pc.1.exe
1540	u1pc.1.exe
1540	u1pc.1.exe
1540	u1pc.1.exe
1540	u1pc.1.exe
1540	u1pc.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2648	2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe	28
PID 2208 wrote to memory of 2648	2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe	28
PID 2208 wrote to memory of 2648	2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe	28
PID 2208 wrote to memory of 2648	2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe	28
PID 2208 wrote to memory of 1540	2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe	29
PID 2208 wrote to memory of 1540	2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe	29
PID 2208 wrote to memory of 1540	2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe	29
PID 2208 wrote to memory of 1540	2208	9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe	29
PID 1540 wrote to memory of 284	1540	u1pc.1.exe	31
PID 1540 wrote to memory of 284	1540	u1pc.1.exe	31
PID 1540 wrote to memory of 284	1540	u1pc.1.exe	31
PID 1540 wrote to memory of 284	1540	u1pc.1.exe	31

C:\Users\Admin\AppData\Local\Temp\9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\9c433f259204120dfbfb83fdf8b5d460_NEIKI.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\u1pc.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1pc.0.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2648
- C:\Users\Admin\AppData\Local\Temp\u1pc.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1pc.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
    "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\049b7335d372bd07248452d0b58e37cfb8420ac5b148b226adcb19ae95655a7b\0ca3cad605bb4df397d568088cce8798.tmp

Filesize
1KB

MD5
523b408ad78ec2f61068765f9f0201c6

SHA1
422c5050ed72fb58fa824f6d662d884498fd4a4f

SHA256
e9efb83f1509e42c75c5d9e2777c3ecc7d1119d285fa3915a3dc7ae13849ba6b

SHA512
a4f927fee01a2dfb586fdf6a52b0a43c90cbeb3e16b9c057c3097d089f2efd666850312065f5e22cdaef53f5fc6400475608e3f99b233844f1a538c3ab516e66

Download Submit
C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

Filesize
3KB

MD5
d5f1ccd7ea1dae392210de11df2c9f65

SHA1
425a9ee35ed8a889e87a8252c0c7b14c9342188f

SHA256
f3cec7e147b49626aaee7dd4cfd9c4f1242c5218b16a8eabcb754fe074d05f96

SHA512
a8225588b74d34a13ab7345f2f5c8208aec3e9781206746a99bb35b71665a3dbda054b4a240f6b232f083f32f09d36c2c9e60d281e88441c3c25a25e59fd53e5

Download Submit
\Users\Admin\AppData\Local\Temp\u1pc.0.exe

Filesize
226KB

MD5
8cb22c6d983d9e4c3d48df67207e888f

SHA1
a2ddf20c0854f12fa40802d9b9df5fb6ee287089

SHA256
feb7155e62062e6f3f7ab92c1702b36315a1aebad706741d939bde25de43002d

SHA512
5ae36d56e576ccdbefc2a7ab151eb72f5e6aaf0b6e0ae72eb58e9073e2a05cc485046865e1a9764acd2cc18ba69f844cb27b3deeba8a5baac02a8a13a7ba20ea

Download Submit
\Users\Admin\AppData\Local\Temp\u1pc.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/284-91-0x0000000000D70000-0x0000000000DD2000-memory.dmp

Filesize
392KB

Download
memory/284-80-0x000000001E160000-0x000000001E16A000-memory.dmp

Filesize
40KB

Download
memory/284-100-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/284-95-0x0000000000D60000-0x0000000000D6C000-memory.dmp

Filesize
48KB

Download
memory/284-92-0x0000000005A20000-0x0000000005A42000-memory.dmp

Filesize
136KB

Download
memory/284-90-0x0000000000D50000-0x0000000000D5A000-memory.dmp

Filesize
40KB

Download
memory/284-89-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/284-73-0x0000000000DE0000-0x0000000004614000-memory.dmp

Filesize
56.2MB

Download
memory/284-74-0x000000001ECC0000-0x000000001EDCA000-memory.dmp

Filesize
1.0MB

Download
memory/284-75-0x00000000004F0000-0x0000000000500000-memory.dmp

Filesize
64KB

Download
memory/284-76-0x0000000005A50000-0x0000000005A5C000-memory.dmp

Filesize
48KB

Download
memory/284-77-0x0000000000DD0000-0x0000000000DE4000-memory.dmp

Filesize
80KB

Download
memory/284-78-0x000000001E130000-0x000000001E154000-memory.dmp

Filesize
144KB

Download
memory/284-87-0x000000001FE50000-0x0000000020150000-memory.dmp

Filesize
3.0MB

Download
memory/284-81-0x000000001E550000-0x000000001E57A000-memory.dmp

Filesize
168KB

Download
memory/284-82-0x000000001F6A0000-0x000000001F752000-memory.dmp

Filesize
712KB

Download
memory/284-83-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/1540-72-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2208-34-0x0000000000400000-0x0000000001A3A000-memory.dmp

Filesize
22.2MB

Download
memory/2208-3-0x0000000000400000-0x0000000001A3A000-memory.dmp

Filesize
22.2MB

Download
memory/2208-1-0x0000000001B70000-0x0000000001C70000-memory.dmp

Filesize
1024KB

Download
memory/2208-40-0x0000000001B70000-0x0000000001C70000-memory.dmp

Filesize
1024KB

Download
memory/2208-39-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2208-2-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2648-60-0x0000000000400000-0x0000000001A03000-memory.dmp

Filesize
22.0MB

Download
memory/2648-113-0x0000000000400000-0x0000000001A03000-memory.dmp

Filesize
22.0MB

Download
memory/2648-122-0x0000000000400000-0x0000000001A03000-memory.dmp

Filesize
22.0MB

Download
memory/2648-131-0x0000000000400000-0x0000000001A03000-memory.dmp

Filesize
22.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads