stealc | e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a

General

Target

e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a.exe
Size

372KB
MD5

40f6f52c2bbf836b3aa730e64312600b
SHA1

7a1771fba06bafae208d8571346a3011d9940ee6
SHA256

e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a
SHA512

01f538ef69606144ff9ca46fac9cf4453df71102d4bc2d745633de6121cdab1e75fafe080cf469048026a271f4309f548aedc48bbbfd691051f1d659152669e0
SSDEEP

6144:ipFxc1jv9NVJYCdB7H2CatlcKxtgIxvO6nuotVmUn5f9MyEITzvT7q:ipFxQVTJYcB71YtgIxvO6uorDTL3Tfq

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
behavioral2/memory/1816-140-0x00000236CD6E0000-0x00000236D0F14000-memory.dmp	family_zgrat_v1
behavioral2/memory/1816-141-0x00000236EB7D0000-0x00000236EB8DA000-memory.dmp	family_zgrat_v1
behavioral2/memory/1816-145-0x00000236D2D80000-0x00000236D2DA4000-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
876	u1ug.0.exe
4468	u1ug.1.exe

Loads dropped DLL 2 IoCs

pid	Process
876	u1ug.0.exe
876	u1ug.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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3452	2392	WerFault.exe	77
3068	876	WerFault.exe	78

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	u1ug.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1ug.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1ug.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	u1ug.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1ug.0.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
876	u1ug.0.exe
876	u1ug.0.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1816	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
4468	u1ug.1.exe
4468	u1ug.1.exe
4468	u1ug.1.exe
4468	u1ug.1.exe
4468	u1ug.1.exe
4468	u1ug.1.exe
4468	u1ug.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
4468	u1ug.1.exe
4468	u1ug.1.exe
4468	u1ug.1.exe
4468	u1ug.1.exe
4468	u1ug.1.exe
4468	u1ug.1.exe
4468	u1ug.1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 876	2392	e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a.exe	78
PID 2392 wrote to memory of 876	2392	e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a.exe	78
PID 2392 wrote to memory of 876	2392	e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a.exe	78
PID 2392 wrote to memory of 4468	2392	e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a.exe	81
PID 2392 wrote to memory of 4468	2392	e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a.exe	81
PID 2392 wrote to memory of 4468	2392	e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a.exe	81
PID 4468 wrote to memory of 1816	4468	u1ug.1.exe	88
PID 4468 wrote to memory of 1816	4468	u1ug.1.exe	88

C:\Users\Admin\AppData\Local\Temp\e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a.exe
"C:\Users\Admin\AppData\Local\Temp\e56013351b0b1b00860e198c5b28f295bfe653ebea693966515faac3a3ef2b4a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Users\Admin\AppData\Local\Temp\u1ug.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1ug.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 2080
    3⤵
    - Program crash
    PID:3068
- C:\Users\Admin\AppData\Local\Temp\u1ug.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1ug.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4468
- - 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:1816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 1524
  2⤵
  - Program crash
  PID:3452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2392 -ip 2392
1⤵
PID:2588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 876 -ip 876
1⤵
PID:2884

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

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Downloads

C:\ProgramData\Are.docx

Filesize
11KB

MD5
a33e5b189842c5867f46566bdbf7a095

SHA1
e1c06359f6a76da90d19e8fd95e79c832edb3196

SHA256
5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

SHA512
f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

Download Submit
C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

Filesize
2KB

MD5
a7fd3a05e6c2f2cd4cec8911b8bd4c9b

SHA1
0e1c60e4a3537a07f895b071f8c1b0eed8d5fba3

SHA256
1c8a2899b5972925d8e8df07ce514de0268d3f3f071a47d8b896212ee3e85f77

SHA512
e7b60e279685b070e017c4428ad141c6ca896e08643df5463bb7bdb8b79a01c7553d754ffa31b5eeaaa363bc11537384bbb764c75572df30149ead3570014977

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

Filesize
3KB

MD5
d3377b6d4297c5099ef8031e6cd8ef66

SHA1
5e09d9218640eed6fd219923fa6f8f66ed4bfc3c

SHA256
49a179174c1b0fdb2eb1329c1a9962ea627dba85ccaa15df5379cabe53ac23c6

SHA512
772ba200e2c7ec83199a351ed9e2780de1ffb2b879caf11edefee3af74cfde13bc338d5bcbbbc6d63758c4216f5664dba6400d2b432679ffd5e00fc30b4651e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1ug.0.exe

Filesize
230KB

MD5
3fb9035368d04ac2ac3adab9ce20d61c

SHA1
d1b8c0ff81ea938bd8d33fa429f057f3a6fe8795

SHA256
566cda535fe8f8c0d3477479b7f3b6621204b3de2724da2a7cf3aedd52a0a9df

SHA512
f13b40137f21e93f336910dc6e739936ba3283d5b682f6b54c41a87ee8ddda853e8d5cb15439b785db18b1422d995fb9a126c5f1af0c2c4134e948f1305c51c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1ug.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/876-13-0x0000000000400000-0x0000000002575000-memory.dmp

Filesize
33.5MB

Download
memory/876-14-0x0000000000400000-0x0000000002575000-memory.dmp

Filesize
33.5MB

Download
memory/876-15-0x0000000000400000-0x0000000002575000-memory.dmp

Filesize
33.5MB

Download
memory/876-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/876-115-0x0000000000400000-0x0000000002575000-memory.dmp

Filesize
33.5MB

Download
memory/1816-151-0x00000236D2DC0000-0x00000236D2DCA000-memory.dmp

Filesize
40KB

Download
memory/1816-148-0x00000236EB5C0000-0x00000236EB5EA000-memory.dmp

Filesize
168KB

Download
memory/1816-169-0x00000236F0620000-0x00000236F063E000-memory.dmp

Filesize
120KB

Download
memory/1816-168-0x00000236F06C0000-0x00000236F0736000-memory.dmp

Filesize
472KB

Download
memory/1816-167-0x00000236F0560000-0x00000236F056C000-memory.dmp

Filesize
48KB

Download
memory/1816-164-0x00000236F0D20000-0x00000236F1248000-memory.dmp

Filesize
5.2MB

Download
memory/1816-162-0x00000236F0570000-0x00000236F05D2000-memory.dmp

Filesize
392KB

Download
memory/1816-140-0x00000236CD6E0000-0x00000236D0F14000-memory.dmp

Filesize
56.2MB

Download
memory/1816-141-0x00000236EB7D0000-0x00000236EB8DA000-memory.dmp

Filesize
1.0MB

Download
memory/1816-142-0x00000236D2BA0000-0x00000236D2BB0000-memory.dmp

Filesize
64KB

Download
memory/1816-143-0x00000236D2D20000-0x00000236D2D2C000-memory.dmp

Filesize
48KB

Download
memory/1816-144-0x00000236D2BF0000-0x00000236D2C04000-memory.dmp

Filesize
80KB

Download
memory/1816-145-0x00000236D2D80000-0x00000236D2DA4000-memory.dmp

Filesize
144KB

Download
memory/1816-146-0x00000236D2DB0000-0x00000236D2DBA000-memory.dmp

Filesize
40KB

Download
memory/1816-147-0x00000236EBA30000-0x00000236EBAE2000-memory.dmp

Filesize
712KB

Download
memory/1816-163-0x00000236F05D0000-0x00000236F05F2000-memory.dmp

Filesize
136KB

Download
memory/1816-149-0x00000236EBAE0000-0x00000236EBB30000-memory.dmp

Filesize
320KB

Download
memory/1816-150-0x00000236EB730000-0x00000236EB752000-memory.dmp

Filesize
136KB

Download
memory/1816-161-0x00000236F07E0000-0x00000236F07EA000-memory.dmp

Filesize
40KB

Download
memory/1816-155-0x00000236EBB30000-0x00000236EBE30000-memory.dmp

Filesize
3.0MB

Download
memory/1816-157-0x00000236F0530000-0x00000236F0538000-memory.dmp

Filesize
32KB

Download
memory/1816-159-0x00000236EFE40000-0x00000236EFE4E000-memory.dmp

Filesize
56KB

Download
memory/1816-158-0x00000236EFE70000-0x00000236EFEA8000-memory.dmp

Filesize
224KB

Download
memory/1816-160-0x00000236EFE60000-0x00000236EFE68000-memory.dmp

Filesize
32KB

Download
memory/2392-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2392-70-0x0000000000400000-0x0000000002599000-memory.dmp

Filesize
33.6MB

Download
memory/2392-2-0x00000000042D0000-0x000000000433C000-memory.dmp

Filesize
432KB

Download
memory/2392-1-0x00000000027B0000-0x00000000028B0000-memory.dmp

Filesize
1024KB

Download
memory/2392-71-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/4468-139-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4468-127-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads