stealc | f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357

General

Target

8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe
Size

404KB
MD5

8eec6abf18ef5e6ce025c75d03744600
SHA1

c2c5ea03a9a2c024c4713df18c24dc517254d5f6
SHA256

f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357
SHA512

3bc5ac244f1e63a2e45b330feb988e58f3827252f35164c82938e40d1c43f1323852758a0294c04a14db173177fe5a9fb8968851b8b8f9503422393e68e168a2
SSDEEP

6144:zFnmGM8FncD84WsYk8WPdFZ+V3zu4NfCWXmCL/AvBFIUHf/:z5mLrD8xgzJu3zu4Nf5XmiUOw/

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/1760-71-0x00000000011F0000-0x0000000004A24000-memory.dmp	family_zgrat_v1
behavioral1/memory/1760-72-0x000000001EFF0000-0x000000001F0FA000-memory.dmp	family_zgrat_v1
behavioral1/memory/1760-76-0x00000000004B0000-0x00000000004D4000-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
2504	u1h4.0.exe
2464	u1h4.1.exe

Loads dropped DLL 9 IoCs

pid	Process
1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe
1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe
1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe
1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe
1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe
1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe
1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe
1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe
1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.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	u1h4.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1h4.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1h4.1.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	u1h4.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1h4.0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1760	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1760	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1760	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1760	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1760	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2504	u1h4.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2464	u1h4.1.exe
2464	u1h4.1.exe
2464	u1h4.1.exe
2464	u1h4.1.exe
2464	u1h4.1.exe
2464	u1h4.1.exe
2464	u1h4.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2464	u1h4.1.exe
2464	u1h4.1.exe
2464	u1h4.1.exe
2464	u1h4.1.exe
2464	u1h4.1.exe
2464	u1h4.1.exe
2464	u1h4.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 2504	1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe	28
PID 1912 wrote to memory of 2504	1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe	28
PID 1912 wrote to memory of 2504	1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe	28
PID 1912 wrote to memory of 2504	1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe	28
PID 1912 wrote to memory of 2464	1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe	29
PID 1912 wrote to memory of 2464	1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe	29
PID 1912 wrote to memory of 2464	1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe	29
PID 1912 wrote to memory of 2464	1912	8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe	29
PID 2464 wrote to memory of 1760	2464	u1h4.1.exe	31
PID 2464 wrote to memory of 1760	2464	u1h4.1.exe	31
PID 2464 wrote to memory of 1760	2464	u1h4.1.exe	31
PID 2464 wrote to memory of 1760	2464	u1h4.1.exe	31

C:\Users\Admin\AppData\Local\Temp\8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\8eec6abf18ef5e6ce025c75d03744600_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\u1h4.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1h4.0.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2504
- C:\Users\Admin\AppData\Local\Temp\u1h4.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1h4.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2464
- - 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:1760

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\f40fa09571ae3e4604ca1ef5093c12d04345052412cd199086553bfab6d3b7c7\96c06748e00645d2a9b46787a94990f0.tmp

Filesize
1KB

MD5
61a360b0a85078493e7444a949bdcea5

SHA1
1bce6ea7cb7b0fddc73cf1868de6ed1da67b7061

SHA256
f5eedce3ecd544870dde215156a648eeb9478d9acb954d65acac3aeb66c92808

SHA512
ab84df73c2fb672e64dc3aac22a873ef876360e8146e1de6fe7137ef6dff79a13a6f6de40b326693a403b24a791a466bbf7a6a994fb22cb0166326ddec42dff6

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

Filesize
3KB

MD5
2325737b9bda66cb2f3a2ea355a60305

SHA1
31cbbf3f32d8dc90403534ae8536872174f0d91d

SHA256
92fae29cc91ed1da5d40fbf36be934acfeff180b5f3fbe16daf13dcf8be47761

SHA512
66172cb983e39c5c8d872ed41c1024ccb05a5eae7655a8c036a005a87255c4da8dd1b966769bfaa07f475a1fe0b21ec60282a711014f50f760eeb9fa9d7b7ecb

Download Submit
\Users\Admin\AppData\Local\Temp\u1h4.0.exe

Filesize
217KB

MD5
1485fe25a6d2bc50d097656c434822f1

SHA1
b8a4f204a92bad32df0e6af82a4ae04d71910ba9

SHA256
044d3469fd7a09f42ba4d342604e002f0ba770528747ba6d3cb7c4b77a975be6

SHA512
18346906dd80342281579602860c514f8e535bf25b3a0f1abe56f08aab52f203323b8d279e8df7c3723acf989aa0d438866675c22095386f8632a543b5dceaf0

Download Submit
\Users\Admin\AppData\Local\Temp\u1h4.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1760-79-0x0000000000C80000-0x0000000000CAA000-memory.dmp

Filesize
168KB

Download
memory/1760-80-0x000000001E6D0000-0x000000001E782000-memory.dmp

Filesize
712KB

Download
memory/1760-98-0x0000000000CC0000-0x0000000000CCA000-memory.dmp

Filesize
40KB

Download
memory/1760-71-0x00000000011F0000-0x0000000004A24000-memory.dmp

Filesize
56.2MB

Download
memory/1760-72-0x000000001EFF0000-0x000000001F0FA000-memory.dmp

Filesize
1.0MB

Download
memory/1760-73-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download
memory/1760-74-0x0000000000480000-0x000000000048C000-memory.dmp

Filesize
48KB

Download
memory/1760-75-0x0000000000470000-0x0000000000484000-memory.dmp

Filesize
80KB

Download
memory/1760-76-0x00000000004B0000-0x00000000004D4000-memory.dmp

Filesize
144KB

Download
memory/1760-78-0x0000000000B70000-0x0000000000B7A000-memory.dmp

Filesize
40KB

Download
memory/1760-93-0x000000001E180000-0x000000001E18C000-memory.dmp

Filesize
48KB

Download
memory/1760-90-0x000000001E290000-0x000000001E2B2000-memory.dmp

Filesize
136KB

Download
memory/1760-81-0x0000000000C70000-0x0000000000C7A000-memory.dmp

Filesize
40KB

Download
memory/1760-85-0x000000001FBD0000-0x000000001FED0000-memory.dmp

Filesize
3.0MB

Download
memory/1760-87-0x0000000000CC0000-0x0000000000CCA000-memory.dmp

Filesize
40KB

Download
memory/1760-88-0x000000001E170000-0x000000001E17A000-memory.dmp

Filesize
40KB

Download
memory/1760-89-0x000000001ECF0000-0x000000001ED52000-memory.dmp

Filesize
392KB

Download
memory/1912-1-0x0000000000400000-0x0000000002B22000-memory.dmp

Filesize
39.1MB

Download
memory/1912-34-0x0000000000400000-0x0000000002B22000-memory.dmp

Filesize
39.1MB

Download
memory/2464-70-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2504-67-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/2504-116-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/2504-120-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/2504-134-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads