stealc | 6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1

General

Target

6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
Size

416KB
MD5

269457f620a3a0d00c2dca23c405a2d8
SHA1

2a841b41ce97d35de6601a148c5fb40d03062941
SHA256

6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1
SHA512

0e5e3de366f4e37a40539836379021a6bc127d209cb9f76421ee79a9c41541868d511395af8bd797b930944be1e0cb754a0fc29e8b2bfc056158420b032392d8
SSDEEP

6144:Z5YuR8GzWWGtJf1/NoL+TcbtnqJPMfsvJQjN+tu8BjtlLCSzE4Rx58VVFrk01:JR8GzWWSZ1g+w5qJmjNMu6h9vzE44k01

Score

10^/10

stealc zgrat discovery rat spyware 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/2776-127-0x0000000000AF0000-0x0000000004324000-memory.dmp	family_zgrat_v1
behavioral1/memory/2776-128-0x000000001EBF0000-0x000000001ECFA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2776-132-0x00000000058C0000-0x00000000058E4000-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
2448	u1jc.0.exe
2612	u1jc.1.exe

Loads dropped DLL 10 IoCs

pid	Process
1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
2448	u1jc.0.exe
2448	u1jc.0.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1jc.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1jc.1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1jc.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	u1jc.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1jc.0.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2448	u1jc.0.exe
2448	u1jc.0.exe
2776	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2776	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2776	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2776	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2776	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2612	u1jc.1.exe
2612	u1jc.1.exe
2612	u1jc.1.exe
2612	u1jc.1.exe
2612	u1jc.1.exe
2612	u1jc.1.exe
2612	u1jc.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2612	u1jc.1.exe
2612	u1jc.1.exe
2612	u1jc.1.exe
2612	u1jc.1.exe
2612	u1jc.1.exe
2612	u1jc.1.exe
2612	u1jc.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2448	1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	28
PID 1992 wrote to memory of 2448	1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	28
PID 1992 wrote to memory of 2448	1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	28
PID 1992 wrote to memory of 2448	1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	28
PID 1992 wrote to memory of 2612	1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	29
PID 1992 wrote to memory of 2612	1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	29
PID 1992 wrote to memory of 2612	1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	29
PID 1992 wrote to memory of 2612	1992	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	29
PID 2612 wrote to memory of 2776	2612	u1jc.1.exe	31
PID 2612 wrote to memory of 2776	2612	u1jc.1.exe	31
PID 2612 wrote to memory of 2776	2612	u1jc.1.exe	31
PID 2612 wrote to memory of 2776	2612	u1jc.1.exe	31

C:\Users\Admin\AppData\Local\Temp\6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
"C:\Users\Admin\AppData\Local\Temp\6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\u1jc.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1jc.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2448
- C:\Users\Admin\AppData\Local\Temp\u1jc.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1jc.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2612
- - 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:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\cb82900d7c0d19605a9c1adc1be5fc0aee77ab3bfdbb4ee40526b56ef2d7a2ce\73d5d4e280354a26b4b7c59e504e37ad.tmp

Filesize
1KB

MD5
2de18c5c7fa2ee6c67df4a2155f19b70

SHA1
7b9548e64b6db29f078bb28fc48b4bca4012d032

SHA256
a9c6d5c79e6a090d3030b36995c094f49d6ef4c95e83e72ec6333dd0dcbd55c7

SHA512
cef7c46bc77d13bac248fc9a77dd52ec87cc213317ec1ab1d56321e6c6a0ebf8f0b16effe1d9481c42db942044caaf406d4d1345899db42541cef58e8ef39110

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

Filesize
2KB

MD5
f75d2b98c239c05c5497d982fc62d384

SHA1
7d2972db44fd4ea846be8d5b15ed3d5cb2fc3300

SHA256
3bab9ee237b3ef57a32ab7aac750a8fa88ebd9330d20b929f6377b43f5f2b913

SHA512
bd0593bc78bf751c8fc496fa310f94b14f9a9cc0c6f7fc9db99d7080f2a2e4854565967d4119bc42ad51b0774c706d9e6efde65c3390dfccc3bf57ab2c47f2ac

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
\Users\Admin\AppData\Local\Temp\u1jc.0.exe

Filesize
282KB

MD5
f72e01dfb65e6409cb0fc611e466e9d5

SHA1
e3d9f9d5e531ea1537bbecbf8064c5772a3c4a26

SHA256
7eec5c68ccc964cae08684c73b65a0427623454286b253b4ee4453dc1aa93bbf

SHA512
7f47b5e7d997d923ca3d2a481bd8754b01c444c3be284b01e8577e58632bf1b69db87927e57079999e9ffc4dc1d50c45b68a5ce3b4ad58bdcf55d48acb9a87c1

Download Submit
\Users\Admin\AppData\Local\Temp\u1jc.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1992-67-0x0000000001AC0000-0x0000000001BC0000-memory.dmp

Filesize
1024KB

Download
memory/1992-68-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1992-66-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/1992-1-0x0000000001AC0000-0x0000000001BC0000-memory.dmp

Filesize
1024KB

Download
memory/1992-2-0x00000000002C0000-0x000000000032C000-memory.dmp

Filesize
432KB

Download
memory/1992-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2448-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2448-114-0x0000000000400000-0x0000000001A10000-memory.dmp

Filesize
22.1MB

Download
memory/2612-126-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2776-127-0x0000000000AF0000-0x0000000004324000-memory.dmp

Filesize
56.2MB

Download
memory/2776-135-0x000000001E600000-0x000000001E6B2000-memory.dmp

Filesize
712KB

Download
memory/2776-130-0x0000000000AD0000-0x0000000000ADC000-memory.dmp

Filesize
48KB

Download
memory/2776-131-0x0000000000A50000-0x0000000000A64000-memory.dmp

Filesize
80KB

Download
memory/2776-132-0x00000000058C0000-0x00000000058E4000-memory.dmp

Filesize
144KB

Download
memory/2776-133-0x0000000005BF0000-0x0000000005BFA000-memory.dmp

Filesize
40KB

Download
memory/2776-134-0x0000000005C20000-0x0000000005C4A000-memory.dmp

Filesize
168KB

Download
memory/2776-129-0x0000000000450000-0x0000000000460000-memory.dmp

Filesize
64KB

Download
memory/2776-136-0x00000000006D0000-0x00000000006DA000-memory.dmp

Filesize
40KB

Download
memory/2776-140-0x000000001FC60000-0x000000001FF60000-memory.dmp

Filesize
3.0MB

Download
memory/2776-142-0x00000000058B0000-0x00000000058BA000-memory.dmp

Filesize
40KB

Download
memory/2776-143-0x000000001F530000-0x000000001F592000-memory.dmp

Filesize
392KB

Download
memory/2776-144-0x0000000005A70000-0x0000000005A92000-memory.dmp

Filesize
136KB

Download
memory/2776-147-0x0000000005A90000-0x0000000005A9C000-memory.dmp

Filesize
48KB

Download
memory/2776-151-0x00000000006F0000-0x00000000006FA000-memory.dmp

Filesize
40KB

Download
memory/2776-128-0x000000001EBF0000-0x000000001ECFA000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads