stealc | 28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867

General

Target

28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
Size

411KB
MD5

935126760cb376d1b58462c92f22d2a4
SHA1

4f064c43585fe97c2fd3721732f11445a87d7690
SHA256

28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867
SHA512

c29587ff4b73812e4f0bbfac495c201e905883dbf74ffa94167de676ff480bb00a57df454bc63f0a9af1a6339ef34fdda8409a8e95f30181a60fb5c02ee782ee
SSDEEP

6144:uLmorbLzyLZ9sZ87lJCqaVmskIctWoPvz/tquYnwuyS3pYea5f31pY:uqo/DZ8jN6LNu/8uYmfvY

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/2144-127-0x0000000001350000-0x0000000004B84000-memory.dmp	family_zgrat_v1
behavioral1/memory/2144-128-0x000000001ECC0000-0x000000001EDCA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2144-132-0x00000000012A0000-0x00000000012C4000-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
2300	u17g.0.exe
2720	u17g.1.exe

Loads dropped DLL 10 IoCs

pid	Process
1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
2300	u17g.0.exe
2300	u17g.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	u17g.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u17g.1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u17g.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	u17g.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u17g.0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2300	u17g.0.exe
2144	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2144	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2144	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2144	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2144	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2144	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2720	u17g.1.exe
2720	u17g.1.exe
2720	u17g.1.exe
2720	u17g.1.exe
2720	u17g.1.exe
2720	u17g.1.exe
2720	u17g.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2720	u17g.1.exe
2720	u17g.1.exe
2720	u17g.1.exe
2720	u17g.1.exe
2720	u17g.1.exe
2720	u17g.1.exe
2720	u17g.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 2300	1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe	28
PID 1564 wrote to memory of 2300	1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe	28
PID 1564 wrote to memory of 2300	1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe	28
PID 1564 wrote to memory of 2300	1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe	28
PID 1564 wrote to memory of 2720	1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe	29
PID 1564 wrote to memory of 2720	1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe	29
PID 1564 wrote to memory of 2720	1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe	29
PID 1564 wrote to memory of 2720	1564	28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe	29
PID 2720 wrote to memory of 2144	2720	u17g.1.exe	32
PID 2720 wrote to memory of 2144	2720	u17g.1.exe	32
PID 2720 wrote to memory of 2144	2720	u17g.1.exe	32
PID 2720 wrote to memory of 2144	2720	u17g.1.exe	32

C:\Users\Admin\AppData\Local\Temp\28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe
"C:\Users\Admin\AppData\Local\Temp\28954c85b47c4ad04f55b9ca68e264e214520faefcca1e998753f0867676f867.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1564
- C:\Users\Admin\AppData\Local\Temp\u17g.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u17g.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2300
- C:\Users\Admin\AppData\Local\Temp\u17g.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u17g.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2720
- - 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:2144

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\63f93027eed6195cee9d6793abbff365863d6c04fe54f71a30d295ffeacda31a\58cbe74c66cf49378ed4911588081c29.tmp

Filesize
1KB

MD5
8f41c421907b5038f22f356b29cfffd4

SHA1
1b59d1b32ddac824fd97141e8b835357f3537fe1

SHA256
2b630efb63d3d83a0dd6ec61aa319385d502781b25dd656dcbd1a01fd1c4acab

SHA512
b6629d38810a422561031010571339e4a1a6bf185e9ce5b758351448e0d6a013d7ff419aa0e8c055737f24c8e3de8b9c4d474a9eed8fc0d049b74aa4baaf927c

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

Filesize
3KB

MD5
2b55e43cde4ea8a1055861fb4805436a

SHA1
30b5267500ae0175d884314cc9754ea530a5d902

SHA256
575688c01efa206a071e086d262c6b7526a745e5874d7d06dbc90f9d37e6d463

SHA512
2975c73dd9d87aa5b07386d34c9811ecb29e7eb52f01df67159be77574cd6ca39f5834ce5c2f354d0df3adb3abc22930670ba3836dc6f518c2209fc4862e2ea2

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

Filesize
2KB

MD5
7269308160065c553b82270b3f0bf83c

SHA1
a8bf4e80c269330a0a6b42c0d35090b5ec770d67

SHA256
3b2f69c6700152abfe1e8788a0e7e1629f1505ed759756cc349ae1f8f14c9b5c

SHA512
a329552a49ef1c6ba579bbacd8aca37d139e31ef89f142fc930761aabc0a099e72bea1227e38ed8d4c898bb84b3be8440497707ace75e26871580037fc20ca44

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\u17g.0.exe

Filesize
230KB

MD5
3fb9035368d04ac2ac3adab9ce20d61c

SHA1
d1b8c0ff81ea938bd8d33fa429f057f3a6fe8795

SHA256
566cda535fe8f8c0d3477479b7f3b6621204b3de2724da2a7cf3aedd52a0a9df

SHA512
f13b40137f21e93f336910dc6e739936ba3283d5b682f6b54c41a87ee8ddda853e8d5cb15439b785db18b1422d995fb9a126c5f1af0c2c4134e948f1305c51c3

Download Submit
\Users\Admin\AppData\Local\Temp\u17g.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1564-35-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1564-33-0x0000000000280000-0x0000000000380000-memory.dmp

Filesize
1024KB

Download
memory/1564-32-0x0000000000400000-0x0000000002C49000-memory.dmp

Filesize
40.3MB

Download
memory/1564-34-0x0000000002CB0000-0x0000000002D1D000-memory.dmp

Filesize
436KB

Download
memory/1564-1-0x0000000000280000-0x0000000000380000-memory.dmp

Filesize
1024KB

Download
memory/1564-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1564-2-0x0000000002CB0000-0x0000000002D1D000-memory.dmp

Filesize
436KB

Download
memory/2144-144-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/2144-137-0x0000000000260000-0x000000000026A000-memory.dmp

Filesize
40KB

Download
memory/2144-127-0x0000000001350000-0x0000000004B84000-memory.dmp

Filesize
56.2MB

Download
memory/2144-128-0x000000001ECC0000-0x000000001EDCA000-memory.dmp

Filesize
1.0MB

Download
memory/2144-129-0x0000000000520000-0x0000000000530000-memory.dmp

Filesize
64KB

Download
memory/2144-130-0x0000000000A90000-0x0000000000A9C000-memory.dmp

Filesize
48KB

Download
memory/2144-131-0x0000000000740000-0x0000000000754000-memory.dmp

Filesize
80KB

Download
memory/2144-132-0x00000000012A0000-0x00000000012C4000-memory.dmp

Filesize
144KB

Download
memory/2144-134-0x0000000001340000-0x000000000134A000-memory.dmp

Filesize
40KB

Download
memory/2144-135-0x000000001EA70000-0x000000001EA9A000-memory.dmp

Filesize
168KB

Download
memory/2144-136-0x000000001F3A0000-0x000000001F452000-memory.dmp

Filesize
712KB

Download
memory/2144-166-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/2144-141-0x000000001FC70000-0x000000001FF70000-memory.dmp

Filesize
3.0MB

Download
memory/2144-165-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/2144-143-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/2144-145-0x000000001E3C0000-0x000000001E3CA000-memory.dmp

Filesize
40KB

Download
memory/2144-146-0x000000001E7C0000-0x000000001E822000-memory.dmp

Filesize
392KB

Download
memory/2144-147-0x000000001E820000-0x000000001E842000-memory.dmp

Filesize
136KB

Download
memory/2144-150-0x000000001E3D0000-0x000000001E3DC000-memory.dmp

Filesize
48KB

Download
memory/2300-162-0x0000000000400000-0x0000000002575000-memory.dmp

Filesize
33.5MB

Download
memory/2300-164-0x0000000000400000-0x0000000002575000-memory.dmp

Filesize
33.5MB

Download
memory/2300-93-0x0000000000400000-0x0000000002575000-memory.dmp

Filesize
33.5MB

Download
memory/2300-42-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2720-121-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads