stealc | e0755e81ddb11f45d9f10944d8cc5e3f4d772277aa20bb154c8ab2b3765a5512

General

Target

871aba48f83ffff6c8ffa062548e7500_NEIKI.exe
Size

417KB
MD5

871aba48f83ffff6c8ffa062548e7500
SHA1

c81b112aff8e1d2921e0fa0c85e715c5f869565e
SHA256

e0755e81ddb11f45d9f10944d8cc5e3f4d772277aa20bb154c8ab2b3765a5512
SHA512

5fe08e9523645532ee9949000805ce113b06961912bcf650c4b9aa80a54d3bc8903c75d2a17902eab3cb71f7cc5b39d291be5dfbab3cbc62b892eb85df780288
SSDEEP

6144:Gvm5q7cumHxCrGqFot529roAosBXIwDT6Wg1dHN8pQUfFZpYY8pS/rUUwKOgYtaq:Gvqq7cumorCFKpnq/OFr8pvKStK6

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/2276-74-0x0000000000E20000-0x0000000004654000-memory.dmp	family_zgrat_v1
behavioral1/memory/2276-75-0x000000001ED40000-0x000000001EE4A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2276-79-0x000000001EA50000-0x000000001EA74000-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
3004	u2a4.0.exe
2500	u2a4.1.exe

Loads dropped DLL 8 IoCs

pid	Process
2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe
2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe
2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe
2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe
2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe
2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe
2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe
2956	871aba48f83ffff6c8ffa062548e7500_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	u2a4.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2a4.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2a4.1.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	u2a4.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u2a4.0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2276	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2276	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2276	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2276	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2276	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3004	u2a4.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2500	u2a4.1.exe
2500	u2a4.1.exe
2500	u2a4.1.exe
2500	u2a4.1.exe
2500	u2a4.1.exe
2500	u2a4.1.exe
2500	u2a4.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2500	u2a4.1.exe
2500	u2a4.1.exe
2500	u2a4.1.exe
2500	u2a4.1.exe
2500	u2a4.1.exe
2500	u2a4.1.exe
2500	u2a4.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 3004	2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe	28
PID 2956 wrote to memory of 3004	2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe	28
PID 2956 wrote to memory of 3004	2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe	28
PID 2956 wrote to memory of 3004	2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe	28
PID 2956 wrote to memory of 2500	2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe	31
PID 2956 wrote to memory of 2500	2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe	31
PID 2956 wrote to memory of 2500	2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe	31
PID 2956 wrote to memory of 2500	2956	871aba48f83ffff6c8ffa062548e7500_NEIKI.exe	31
PID 2500 wrote to memory of 2276	2500	u2a4.1.exe	34
PID 2500 wrote to memory of 2276	2500	u2a4.1.exe	34
PID 2500 wrote to memory of 2276	2500	u2a4.1.exe	34
PID 2500 wrote to memory of 2276	2500	u2a4.1.exe	34

C:\Users\Admin\AppData\Local\Temp\871aba48f83ffff6c8ffa062548e7500_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\871aba48f83ffff6c8ffa062548e7500_NEIKI.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\u2a4.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u2a4.0.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:3004
- C:\Users\Admin\AppData\Local\Temp\u2a4.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u2a4.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2500
- - 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:2276

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\81950f7e7cbd108086cf2da3a401afdfffc60d9b485aac5dd52f7a137c00f950\24776fd21083487985015dd59fa1d8cd.tmp

Filesize
1KB

MD5
382b52b4fdfb440fe7b55b303d089c42

SHA1
f7ca219155cf5e1692d7a09439d1834f153566bd

SHA256
bc0a1a33d71da19755ef2fd3f3317e2c83a406316c821d87ae93b0659b4233f6

SHA512
5fba19754ef2a22a75fa30caa2302059dd8b2463067f054e1da9dc552da15992ac38b706c8235af815a8c62d94d023a30575dde08b17b75e9fdb2c1909b59143

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

Filesize
2KB

MD5
a9ae3ce83bad985946dfbd0f81c9dab3

SHA1
902367cd94f05e35506b6139687b0bf3e1d26aa6

SHA256
3b1fd55b68cabd0782af351372732a6c8920ada0e8d94e6354335d3cfdb36d22

SHA512
6526a76b534dc2f5679ca9d57bbf78a3034b02659b94ccc72528c7af9dc5736d856a2c789e9051cd1977a671cc90b3301f0894b3b8cbf7243fce209380a114d6

Download Submit
\Users\Admin\AppData\Local\Temp\u2a4.0.exe

Filesize
226KB

MD5
8cb22c6d983d9e4c3d48df67207e888f

SHA1
a2ddf20c0854f12fa40802d9b9df5fb6ee287089

SHA256
feb7155e62062e6f3f7ab92c1702b36315a1aebad706741d939bde25de43002d

SHA512
5ae36d56e576ccdbefc2a7ab151eb72f5e6aaf0b6e0ae72eb58e9073e2a05cc485046865e1a9764acd2cc18ba69f844cb27b3deeba8a5baac02a8a13a7ba20ea

Download Submit
\Users\Admin\AppData\Local\Temp\u2a4.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/2276-94-0x0000000000E00000-0x0000000000E22000-memory.dmp

Filesize
136KB

Download
memory/2276-84-0x0000000000460000-0x000000000046A000-memory.dmp

Filesize
40KB

Download
memory/2276-103-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/2276-102-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/2276-97-0x0000000005A60000-0x0000000005A6C000-memory.dmp

Filesize
48KB

Download
memory/2276-93-0x0000000005B90000-0x0000000005BF2000-memory.dmp

Filesize
392KB

Download
memory/2276-74-0x0000000000E20000-0x0000000004654000-memory.dmp

Filesize
56.2MB

Download
memory/2276-75-0x000000001ED40000-0x000000001EE4A000-memory.dmp

Filesize
1.0MB

Download
memory/2276-76-0x00000000002D0000-0x00000000002E0000-memory.dmp

Filesize
64KB

Download
memory/2276-77-0x0000000000550000-0x000000000055C000-memory.dmp

Filesize
48KB

Download
memory/2276-78-0x00000000004C0000-0x00000000004D4000-memory.dmp

Filesize
80KB

Download
memory/2276-79-0x000000001EA50000-0x000000001EA74000-memory.dmp

Filesize
144KB

Download
memory/2276-82-0x000000001EB90000-0x000000001EBBA000-memory.dmp

Filesize
168KB

Download
memory/2276-83-0x000000001F210000-0x000000001F2C2000-memory.dmp

Filesize
712KB

Download
memory/2276-81-0x0000000000560000-0x000000000056A000-memory.dmp

Filesize
40KB

Download
memory/2276-92-0x0000000000DF0000-0x0000000000DFA000-memory.dmp

Filesize
40KB

Download
memory/2276-88-0x000000001FA70000-0x000000001FD70000-memory.dmp

Filesize
3.0MB

Download
memory/2276-91-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/2276-90-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/2500-73-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2500-61-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2956-35-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/2956-1-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/2956-19-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/2956-2-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/3004-40-0x0000000000400000-0x0000000001A03000-memory.dmp

Filesize
22.0MB

Download
memory/3004-110-0x0000000000400000-0x0000000001A03000-memory.dmp

Filesize
22.0MB

Download
memory/3004-122-0x0000000000400000-0x0000000001A03000-memory.dmp

Filesize
22.0MB

Download
memory/3004-132-0x0000000000400000-0x0000000001A03000-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