stealc | dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7

General

Target

dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
Size

399KB
MD5

46ccf69cca4db46fc10e3f3f0b124e0d
SHA1

4d5cb5a532ed8c2bfc97c86c9dc893e473bd84c9
SHA256

dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7
SHA512

22bfe103553eb6b7b8b7db7c9d363b4df81056b5fd556bc9a461d2f9bf6367c60a002d737e0649af671a6b15933175584745009b0b691f2fbc1590be93367232
SSDEEP

6144:SFcRe/HdSRfTrh/Tzo8tDrN0J5M9GVLiBufeQRWH+pQZmKKc1:SFcRukH9TnNk5M9GEQeFepyr/1

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/1436-130-0x0000000000980000-0x00000000041B4000-memory.dmp	family_zgrat_v1
behavioral1/memory/1436-131-0x000000001ECF0000-0x000000001EDFA000-memory.dmp	family_zgrat_v1
behavioral1/memory/1436-135-0x000000001DFE0000-0x000000001E004000-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. 2 IoCs

resource	yara_rule
behavioral1/memory/2240-125-0x0000000000400000-0x0000000001A04000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2240-160-0x0000000000400000-0x0000000001A04000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs

resource	yara_rule
behavioral1/memory/2240-125-0x0000000000400000-0x0000000001A04000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2240-160-0x0000000000400000-0x0000000001A04000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs

resource	yara_rule
behavioral1/memory/2240-125-0x0000000000400000-0x0000000001A04000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2240-160-0x0000000000400000-0x0000000001A04000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects encrypted or obfuscated .NET executables 1 IoCs

resource	yara_rule
behavioral1/memory/1436-130-0x0000000000980000-0x00000000041B4000-memory.dmp	INDICATOR_EXE_DotNET_Encrypted

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2240	u240.0.exe
2752	u240.1.exe

Loads dropped DLL 10 IoCs

pid	Process
2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
2240	u240.0.exe
2240	u240.0.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u240.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u240.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u240.1.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	u240.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u240.0.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2240	u240.0.exe
1436	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1436	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1436	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1436	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1436	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2240	u240.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1436	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2752	u240.1.exe
2752	u240.1.exe
2752	u240.1.exe
2752	u240.1.exe
2752	u240.1.exe
2752	u240.1.exe
2752	u240.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2752	u240.1.exe
2752	u240.1.exe
2752	u240.1.exe
2752	u240.1.exe
2752	u240.1.exe
2752	u240.1.exe
2752	u240.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2240	2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe	28
PID 2736 wrote to memory of 2240	2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe	28
PID 2736 wrote to memory of 2240	2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe	28
PID 2736 wrote to memory of 2240	2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe	28
PID 2736 wrote to memory of 2752	2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe	29
PID 2736 wrote to memory of 2752	2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe	29
PID 2736 wrote to memory of 2752	2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe	29
PID 2736 wrote to memory of 2752	2736	dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe	29
PID 2752 wrote to memory of 1436	2752	u240.1.exe	31
PID 2752 wrote to memory of 1436	2752	u240.1.exe	31
PID 2752 wrote to memory of 1436	2752	u240.1.exe	31
PID 2752 wrote to memory of 1436	2752	u240.1.exe	31

C:\Users\Admin\AppData\Local\Temp\dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe
"C:\Users\Admin\AppData\Local\Temp\dac9142bc27663f4dcb94746d9da070027a11c2de98e636573753d0a1a1119f7.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\u240.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u240.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2240
- C:\Users\Admin\AppData\Local\Temp\u240.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u240.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2752
- - 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:1436

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\a156d2ee87eeb3012aacff4fcc5518f7fa0b2caa0b97ad5a5e46c2e4fdf8c5f4\d800371fcc384608b72aa91d2ffa4a0c.tmp

Filesize
1KB

MD5
7919ceac8ae6cb0af9d97bc4ea8c79ea

SHA1
e9bf87c55eec7a0bcde3584c0f63bb453973e651

SHA256
8c7e5f7d27325e889702a2672336f588b9f0063f785c9380bbb531f54e552e84

SHA512
7b4e8633dc19965e94da4abd33e534e176f080f8a92ae26dabe247e505ab5ed66dc15e5a688221a9517948bf840b02c5459ad30f26d797d76e0479e8abc36d45

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

Filesize
3KB

MD5
b5c3ef05d88b6c5c593fc9128b3cb2d4

SHA1
0568d4adb655f88a35a7a5da3b01e11e950519e0

SHA256
9ab597a4e5c78397a44fa1143a067bc1fc5fa9923279c91ab69644a33aacb462

SHA512
54d2bf3df08da07f7ebe07810c524a75adead9ca16cc49d18c9640e546885dbfdf8ad0d4d4b5b1a37bb981dfd8e57c696feb324649eeef48b2759cf25dfb275c

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

Filesize
2KB

MD5
3e0c4e468d94b2160be37a9d05882720

SHA1
c77112c2aa3e6a143811a70471aff2332a70238d

SHA256
24c4d642cef1519f72e0cff223f482dedeb2dfc98499b95603f960a77651bd2e

SHA512
b33ac895405a8e1f79da7ad782648d4dd51db068d0dc4ed2600ca12454b364827661451788ff1cfaa84a8175885127ae3fe66a41ecaf8fd889d287504dce7f5b

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\u240.0.exe

Filesize
230KB

MD5
2c1f5406f854370921a90cc0f3f11145

SHA1
6969f52309b66f6a09f08c0e67db4956df150346

SHA256
79678293aad51fc96c947e496351048672ece528457daab0cfc93b35c16d1ab9

SHA512
6104eaa7a60a29b5962b3cff8cde7b7c237ced82f11a7c581df30725d1d5aec187b30ebbe7d6d61f45964cf4f70ea605c9b20c504e5dddc2451f440ecb50e2ac

Download Submit
\Users\Admin\AppData\Local\Temp\u240.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1436-131-0x000000001ECF0000-0x000000001EDFA000-memory.dmp

Filesize
1.0MB

Download
memory/1436-147-0x0000000005970000-0x00000000059D2000-memory.dmp

Filesize
392KB

Download
memory/1436-161-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download
memory/1436-162-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download
memory/1436-151-0x00000000058D0000-0x00000000058DC000-memory.dmp

Filesize
48KB

Download
memory/1436-148-0x00000000058B0000-0x00000000058D2000-memory.dmp

Filesize
136KB

Download
memory/1436-146-0x00000000058A0000-0x00000000058AA000-memory.dmp

Filesize
40KB

Download
memory/1436-144-0x000000001FA80000-0x000000001FD80000-memory.dmp

Filesize
3.0MB

Download
memory/1436-130-0x0000000000980000-0x00000000041B4000-memory.dmp

Filesize
56.2MB

Download
memory/1436-140-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/1436-133-0x0000000005A30000-0x0000000005A3C000-memory.dmp

Filesize
48KB

Download
memory/1436-132-0x0000000000970000-0x0000000000980000-memory.dmp

Filesize
64KB

Download
memory/1436-134-0x00000000057A0000-0x00000000057B4000-memory.dmp

Filesize
80KB

Download
memory/1436-135-0x000000001DFE0000-0x000000001E004000-memory.dmp

Filesize
144KB

Download
memory/1436-138-0x000000001E560000-0x000000001E58A000-memory.dmp

Filesize
168KB

Download
memory/1436-137-0x000000001E540000-0x000000001E54A000-memory.dmp

Filesize
40KB

Download
memory/1436-139-0x000000001F510000-0x000000001F5C2000-memory.dmp

Filesize
712KB

Download
memory/2240-40-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2240-125-0x0000000000400000-0x0000000001A04000-memory.dmp

Filesize
22.0MB

Download
memory/2240-160-0x0000000000400000-0x0000000001A04000-memory.dmp

Filesize
22.0MB

Download
memory/2736-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2736-1-0x00000000002C0000-0x00000000003C0000-memory.dmp

Filesize
1024KB

Download
memory/2736-35-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2736-34-0x0000000000400000-0x0000000002B22000-memory.dmp

Filesize
39.1MB

Download
memory/2736-2-0x0000000002BA0000-0x0000000002C0C000-memory.dmp

Filesize
432KB

Download
memory/2752-129-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2752-126-0x0000000000400000-0x00000000008AD000-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