stealc | e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618

General

Target

e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
Size

366KB
MD5

ded2c2964f21cb0f3b993197267fb5d0
SHA1

e5ae61b319aba414f857d91ed33118146e1dcf6e
SHA256

e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618
SHA512

4335e720fe3e9bdce2c01544e7aedbdeb4f1bb913106759aae5bc0cb212e3a917af89f11b27f7d593a039140613ee383fc35b483c5d6509ab92fccf462dc79a1
SSDEEP

6144:OumbY5CsTONMI5+dcIIMprOeXcoEo7f6Z1:OFEQhmI5mtDdOe1EoOZ1

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/1248-129-0x0000000001050000-0x0000000004884000-memory.dmp	family_zgrat_v1
behavioral1/memory/1248-131-0x000000001F020000-0x000000001F12A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1248-135-0x000000001E040000-0x000000001E064000-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

Detect binaries embedding considerable number of MFA browser extension IDs. 3 IoCs

resource	yara_rule
behavioral1/memory/2964-130-0x0000000000400000-0x0000000002579000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2964-156-0x0000000000400000-0x0000000002579000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2964-158-0x0000000000400000-0x0000000002579000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 3 IoCs

resource	yara_rule
behavioral1/memory/2964-130-0x0000000000400000-0x0000000002579000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2964-156-0x0000000000400000-0x0000000002579000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2964-158-0x0000000000400000-0x0000000002579000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs

resource	yara_rule
behavioral1/memory/2964-130-0x0000000000400000-0x0000000002579000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2964-156-0x0000000000400000-0x0000000002579000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2964-158-0x0000000000400000-0x0000000002579000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects encrypted or obfuscated .NET executables 1 IoCs

resource	yara_rule
behavioral1/memory/1248-129-0x0000000001050000-0x0000000004884000-memory.dmp	INDICATOR_EXE_DotNET_Encrypted

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2964	u1ik.0.exe
2680	u1ik.1.exe

Loads dropped DLL 10 IoCs

pid	Process
1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
2964	u1ik.0.exe
2964	u1ik.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1ik.1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1ik.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1ik.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	u1ik.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1ik.0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2964	u1ik.0.exe
1248	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1248	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1248	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1248	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1248	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1248	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2680	u1ik.1.exe
2680	u1ik.1.exe
2680	u1ik.1.exe
2680	u1ik.1.exe
2680	u1ik.1.exe
2680	u1ik.1.exe
2680	u1ik.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2680	u1ik.1.exe
2680	u1ik.1.exe
2680	u1ik.1.exe
2680	u1ik.1.exe
2680	u1ik.1.exe
2680	u1ik.1.exe
2680	u1ik.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2964	1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe	28
PID 1964 wrote to memory of 2964	1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe	28
PID 1964 wrote to memory of 2964	1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe	28
PID 1964 wrote to memory of 2964	1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe	28
PID 1964 wrote to memory of 2680	1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe	29
PID 1964 wrote to memory of 2680	1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe	29
PID 1964 wrote to memory of 2680	1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe	29
PID 1964 wrote to memory of 2680	1964	e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe	29
PID 2680 wrote to memory of 1248	2680	u1ik.1.exe	32
PID 2680 wrote to memory of 1248	2680	u1ik.1.exe	32
PID 2680 wrote to memory of 1248	2680	u1ik.1.exe	32
PID 2680 wrote to memory of 1248	2680	u1ik.1.exe	32

C:\Users\Admin\AppData\Local\Temp\e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe
"C:\Users\Admin\AppData\Local\Temp\e21ea1ce6faa67758c820372736df655dbf70f05928d93f754dc1e01fd15b618.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\u1ik.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1ik.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2964
- C:\Users\Admin\AppData\Local\Temp\u1ik.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1ik.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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:1248

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\bd92d7984d802ff9a1e24336bd1ccb4209c69a1bd116225cd9479ac9d0f516c4\0676f42432e140fea3b4067f1ec9d922.tmp

Filesize
1KB

MD5
c7b8633972018c917563778dba6a1330

SHA1
d75f49fe1f1334b6339d2a39f717329ecd6f1692

SHA256
0566b7035492f2acc4c7099fbfe610187a44974c9e3f5c358d0983167377f4ee

SHA512
e41fc5c691c65b716897ceb70b3c0f9d473a80cddaac35ef98f2f74c753dca3f171be9641eba391254794ea43cf42ca5773b2df9e7681cb93a952627305f9a80

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1ik.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

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\u1ik.0.exe

Filesize
245KB

MD5
dd87d2cb25ca0057e220c143dd4b628e

SHA1
48238804ea2bee1cb0cf1e1c946a12bfc1265a15

SHA256
e07d3383a78b7b05cd27cf2f569c6e93026e9f40dff4ccb8ec81efafa6b2b23f

SHA512
bc7a14eb4b49df3f99028b1ae6dadf6bbca205d564c13c7dc2d05641a9e0d06558eb0bf67aaf51cf5c9c70c9963fe6265755259dae8e643484b0124796f57ff3

Download Submit
memory/1248-148-0x0000000000D20000-0x0000000000D42000-memory.dmp

Filesize
136KB

Download
memory/1248-135-0x000000001E040000-0x000000001E064000-memory.dmp

Filesize
144KB

Download
memory/1248-157-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/1248-151-0x0000000000D40000-0x0000000000D4C000-memory.dmp

Filesize
48KB

Download
memory/1248-146-0x0000000000C70000-0x0000000000C7A000-memory.dmp

Filesize
40KB

Download
memory/1248-147-0x000000001E660000-0x000000001E6C2000-memory.dmp

Filesize
392KB

Download
memory/1248-144-0x000000001FC80000-0x000000001FF80000-memory.dmp

Filesize
3.0MB

Download
memory/1248-129-0x0000000001050000-0x0000000004884000-memory.dmp

Filesize
56.2MB

Download
memory/1248-140-0x0000000000260000-0x000000000026A000-memory.dmp

Filesize
40KB

Download
memory/1248-131-0x000000001F020000-0x000000001F12A000-memory.dmp

Filesize
1.0MB

Download
memory/1248-132-0x0000000000330000-0x0000000000340000-memory.dmp

Filesize
64KB

Download
memory/1248-133-0x0000000000C80000-0x0000000000C8C000-memory.dmp

Filesize
48KB

Download
memory/1248-134-0x0000000000650000-0x0000000000664000-memory.dmp

Filesize
80KB

Download
memory/1248-137-0x000000001E060000-0x000000001E06A000-memory.dmp

Filesize
40KB

Download
memory/1248-138-0x000000001E080000-0x000000001E0AA000-memory.dmp

Filesize
168KB

Download
memory/1248-139-0x000000001E490000-0x000000001E542000-memory.dmp

Filesize
712KB

Download
memory/1964-33-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1964-1-0x0000000002CC0000-0x0000000002DC0000-memory.dmp

Filesize
1024KB

Download
memory/1964-2-0x0000000000230000-0x000000000029C000-memory.dmp

Filesize
432KB

Download
memory/1964-34-0x0000000002CC0000-0x0000000002DC0000-memory.dmp

Filesize
1024KB

Download
memory/1964-32-0x0000000000400000-0x0000000002B19000-memory.dmp

Filesize
39.1MB

Download
memory/1964-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2680-121-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2964-130-0x0000000000400000-0x0000000002579000-memory.dmp

Filesize
33.5MB

Download
memory/2964-60-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2964-156-0x0000000000400000-0x0000000002579000-memory.dmp

Filesize
33.5MB

Download
memory/2964-158-0x0000000000400000-0x0000000002579000-memory.dmp

Filesize
33.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads