stealc | 12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829

General

Target

12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe
Size

449KB
MD5

0e78c7b1b4335584f427f2f9fe0e3982
SHA1

bf7a97794224d56e337e6e53ad12c70055d744f8
SHA256

12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829
SHA512

178eef7117ce5a2b0421cd62a56e4c8158a7248791b0c04fd42d023faff9453a9043d645567fee1bcac1fa5f3f60439a2aea00b8383ca4ccf498a7f9f474fb6c
SSDEEP

12288:z4kni8/6leIbaECbwZzSSR1tqRnnKPkgo:k7ba7buzVzkRKPkgo

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/4340-156-0x0000025E9D8D0000-0x0000025EA1104000-memory.dmp	family_zgrat_v1
behavioral1/memory/4340-157-0x0000025EBBBD0000-0x0000025EBBCDA000-memory.dmp	family_zgrat_v1
behavioral1/memory/4340-161-0x0000025EBBA90000-0x0000025EBBAB4000-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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	u2go.1.exe

Executes dropped EXE 2 IoCs

pid	Process
4996	u2go.0.exe
4356	u2go.1.exe

Loads dropped DLL 2 IoCs

pid	Process
4996	u2go.0.exe
4996	u2go.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
224	3192	WerFault.exe	91
1604	4996	WerFault.exe	96

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	u2go.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2go.1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2go.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	u2go.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u2go.0.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4996	u2go.0.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4340	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
4356	u2go.1.exe
4356	u2go.1.exe
4356	u2go.1.exe
4356	u2go.1.exe
4356	u2go.1.exe
4356	u2go.1.exe
4356	u2go.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
4356	u2go.1.exe
4356	u2go.1.exe
4356	u2go.1.exe
4356	u2go.1.exe
4356	u2go.1.exe
4356	u2go.1.exe
4356	u2go.1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 4996	3192	12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe	96
PID 3192 wrote to memory of 4996	3192	12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe	96
PID 3192 wrote to memory of 4996	3192	12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe	96
PID 3192 wrote to memory of 4356	3192	12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe	102
PID 3192 wrote to memory of 4356	3192	12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe	102
PID 3192 wrote to memory of 4356	3192	12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe	102
PID 4356 wrote to memory of 4340	4356	u2go.1.exe	113
PID 4356 wrote to memory of 4340	4356	u2go.1.exe	113

C:\Users\Admin\AppData\Local\Temp\12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe
"C:\Users\Admin\AppData\Local\Temp\12a652209045653a2881f0a97876038d42c8628f394de7ca1b59d55950261829.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3192
- C:\Users\Admin\AppData\Local\Temp\u2go.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u2go.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:4996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 2040
    3⤵
    - Program crash
    PID:1604
- C:\Users\Admin\AppData\Local\Temp\u2go.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u2go.1.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4356
- - 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:4340
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3192 -s 1156
  2⤵
  - Program crash
  PID:224

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4144 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
1⤵
PID:2096

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3276 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:3
1⤵
PID:1448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3192 -ip 3192
1⤵
PID:1016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 4996 -ip 4996
1⤵
PID:3196

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

4

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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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\u2go.0.exe

Filesize
308KB

MD5
4989a0cdd90c1864f801e4f15a1f2e94

SHA1
f395f00b1bd62546bd0e67bea68aff3bf8bda0d2

SHA256
d70ca1aba20eca32e5cdc71bfde5744070a94b7022ac6ce1575aa2692a89d41e

SHA512
4142bea9c8cff78bc602eb8bd077b30859aa073a473764052bdd3539167138a9452a57865d33383817ee8a08c16bdba818ae9cf0ca633d83f833d48ab5a5f09f

Download Submit
C:\Users\Admin\AppData\Local\Temp\u2go.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/3192-5-0x0000000000400000-0x0000000001A3A000-memory.dmp

Filesize
22.2MB

Download
memory/3192-7-0x0000000001D20000-0x0000000001D8C000-memory.dmp

Filesize
432KB

Download
memory/3192-9-0x0000000000400000-0x0000000001A3A000-memory.dmp

Filesize
22.2MB

Download
memory/3192-11-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/3192-6-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

Filesize
1024KB

Download
memory/3192-1-0x0000000001DA0000-0x0000000001EA0000-memory.dmp

Filesize
1024KB

Download
memory/3192-124-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/3192-4-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/3192-25-0x0000000000400000-0x0000000001A3A000-memory.dmp

Filesize
22.2MB

Download
memory/3192-114-0x0000000000400000-0x0000000001A3A000-memory.dmp

Filesize
22.2MB

Download
memory/3192-3-0x0000000000400000-0x0000000001A3A000-memory.dmp

Filesize
22.2MB

Download
memory/3192-2-0x0000000001D20000-0x0000000001D8C000-memory.dmp

Filesize
432KB

Download
memory/4340-159-0x0000025EA1610000-0x0000025EA161C000-memory.dmp

Filesize
48KB

Download
memory/4340-162-0x0000025EBBAB0000-0x0000025EBBABA000-memory.dmp

Filesize
40KB

Download
memory/4340-171-0x0000025EBBFF0000-0x0000025EBC2F0000-memory.dmp

Filesize
3.0MB

Download
memory/4340-167-0x0000025EA1500000-0x0000025EA150A000-memory.dmp

Filesize
40KB

Download
memory/4340-166-0x0000025EBBFC0000-0x0000025EBBFE2000-memory.dmp

Filesize
136KB

Download
memory/4340-165-0x0000025EBBF70000-0x0000025EBBFC0000-memory.dmp

Filesize
320KB

Download
memory/4340-164-0x0000025EBBE70000-0x0000025EBBF22000-memory.dmp

Filesize
712KB

Download
memory/4340-163-0x0000025EBBE30000-0x0000025EBBE5A000-memory.dmp

Filesize
168KB

Download
memory/4340-161-0x0000025EBBA90000-0x0000025EBBAB4000-memory.dmp

Filesize
144KB

Download
memory/4340-160-0x0000025EA1600000-0x0000025EA1614000-memory.dmp

Filesize
80KB

Download
memory/4340-156-0x0000025E9D8D0000-0x0000025EA1104000-memory.dmp

Filesize
56.2MB

Download
memory/4340-157-0x0000025EBBBD0000-0x0000025EBBCDA000-memory.dmp

Filesize
1.0MB

Download
memory/4340-158-0x0000025EA15F0000-0x0000025EA1600000-memory.dmp

Filesize
64KB

Download
memory/4356-155-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4356-154-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4356-127-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4996-22-0x0000000000400000-0x0000000001A17000-memory.dmp

Filesize
22.1MB

Download
memory/4996-82-0x0000000000400000-0x0000000001A17000-memory.dmp

Filesize
22.1MB

Download
memory/4996-126-0x0000000000400000-0x0000000001A17000-memory.dmp

Filesize
22.1MB

Download
memory/4996-125-0x0000000000400000-0x0000000001A17000-memory.dmp

Filesize
22.1MB

Download
memory/4996-23-0x0000000000400000-0x0000000001A17000-memory.dmp

Filesize
22.1MB

Download
memory/4996-24-0x0000000000400000-0x0000000001A17000-memory.dmp

Filesize
22.1MB

Download
memory/4996-26-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads