stealc | 5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641

General

Target

5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
Size

384KB
MD5

1a110e8b971a75943f419d57a3dadb10
SHA1

8f1bef0d49802b01c99bd79a3c4bf45cac4070c2
SHA256

5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641
SHA512

3b03875fac78ccf03bf6fe7f3042ebae096c46b9e38a66a5a52fa2cddef3ab0b23bc932a023caa64850c87cf7cec04c8a6dcf5ef831304edb0bc12465e1f34f3
SSDEEP

6144:CvNcF7Kk1SAa5i2mfLPrzOMWRTco+7ASGdHhyUZwS1:CvNo+nAa5gnXo+c8aT1

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/1848-140-0x0000000000BF0000-0x0000000004424000-memory.dmp	family_zgrat_v1
behavioral1/memory/1848-141-0x000000001EE50000-0x000000001EF5A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1848-145-0x000000001E970000-0x000000001E994000-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
1836	u1pk.0.exe
3048	u1pk.1.exe

Loads dropped DLL 11 IoCs

pid	Process
2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
1836	u1pk.0.exe
1836	u1pk.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	u1pk.1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1pk.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1pk.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	u1pk.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1pk.0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1836	u1pk.0.exe
1848	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1848	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1848	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1848	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1848	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1848	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
3048	u1pk.1.exe
3048	u1pk.1.exe
3048	u1pk.1.exe
3048	u1pk.1.exe
3048	u1pk.1.exe
3048	u1pk.1.exe
3048	u1pk.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
3048	u1pk.1.exe
3048	u1pk.1.exe
3048	u1pk.1.exe
3048	u1pk.1.exe
3048	u1pk.1.exe
3048	u1pk.1.exe
3048	u1pk.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 1836	2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe	28
PID 2216 wrote to memory of 1836	2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe	28
PID 2216 wrote to memory of 1836	2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe	28
PID 2216 wrote to memory of 1836	2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe	28
PID 2216 wrote to memory of 3048	2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe	30
PID 2216 wrote to memory of 3048	2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe	30
PID 2216 wrote to memory of 3048	2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe	30
PID 2216 wrote to memory of 3048	2216	5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe	30
PID 3048 wrote to memory of 1848	3048	u1pk.1.exe	33
PID 3048 wrote to memory of 1848	3048	u1pk.1.exe	33
PID 3048 wrote to memory of 1848	3048	u1pk.1.exe	33
PID 3048 wrote to memory of 1848	3048	u1pk.1.exe	33

C:\Users\Admin\AppData\Local\Temp\5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe
"C:\Users\Admin\AppData\Local\Temp\5c49c56c9e581f0b79d074e6560e42962d63ed40310547a5e4d36949b62cd641.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\u1pk.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1pk.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1836
- C:\Users\Admin\AppData\Local\Temp\u1pk.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1pk.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3048
- - 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:1848

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\63f93027eed6195cee9d6793abbff365863d6c04fe54f71a30d295ffeacda31a\d9b4493298444caa93a39822e170c6f7.tmp

Filesize
1KB

MD5
70e3f6119c72ba21906105b689a04793

SHA1
5b5a1ffc8407f67efc514ceb53abf256853a8807

SHA256
d111400a909fe968e4d0e133568edbf2020e5c389cf5419d598351019c9bd74b

SHA512
fdd51cf1397e243fb0aef7f092a0d380b6fb353dda3ea7e14ccb830c7cafec5de66fb1000725ecd440b11d6b5130b323e411c2730682602db584ed84d8cb8526

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

Filesize
3KB

MD5
71fcbdbab828c205fb4e109c42559acf

SHA1
5cc8b59f857e4dd95a803fb3d851f40a6c5c455a

SHA256
fd05c44ee35419e85b725d4ff8745754e664bf46845b1253f699ddcf803f34f0

SHA512
10d440879cda3bbbe2896dda28f605b00855683c0a2f63d6c6dc2828ea1ea1b51945c5075e87eeb625f8ff581e140408283fdbc86ace8e29697d812549050621

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

Filesize
2KB

MD5
d9d2417d882e12f8afbc65501d7867e1

SHA1
12bc5018e42d4444ce391ce50b03ab3b9afc5a29

SHA256
32aae6bed603876d3c9fed41676894cd648db6e40d7dca2a32845a7e37aac02a

SHA512
2cd6b48c1dc4fa0cf670be356ee0c41ec233402aaa391f65ce616c854c8f96c448ac37d1f525621c9cc5ea1b3cce71d0281130b5c45943f36f2b70e28b79a00d

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\u1pk.0.exe

Filesize
206KB

MD5
0917be53327ea132956255dcab650a82

SHA1
b60818917f645a8a9af3b530e3ae37c1f002be2f

SHA256
211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a

SHA512
a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a

Download Submit
\Users\Admin\AppData\Local\Temp\u1pk.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1836-126-0x0000000000400000-0x0000000002AF1000-memory.dmp

Filesize
38.9MB

Download
memory/1836-24-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1836-58-0x0000000000400000-0x0000000002AF1000-memory.dmp

Filesize
38.9MB

Download
memory/1836-123-0x0000000000400000-0x0000000002AF1000-memory.dmp

Filesize
38.9MB

Download
memory/1836-23-0x0000000000400000-0x0000000002AF1000-memory.dmp

Filesize
38.9MB

Download
memory/1848-141-0x000000001EE50000-0x000000001EF5A000-memory.dmp

Filesize
1.0MB

Download
memory/1848-153-0x000000001FE40000-0x0000000020140000-memory.dmp

Filesize
3.0MB

Download
memory/1848-165-0x0000000000AB0000-0x0000000000ABA000-memory.dmp

Filesize
40KB

Download
memory/1848-161-0x0000000005830000-0x000000000583C000-memory.dmp

Filesize
48KB

Download
memory/1848-158-0x0000000000B50000-0x0000000000B72000-memory.dmp

Filesize
136KB

Download
memory/1848-157-0x000000001DE00000-0x000000001DE62000-memory.dmp

Filesize
392KB

Download
memory/1848-156-0x0000000000B40000-0x0000000000B4A000-memory.dmp

Filesize
40KB

Download
memory/1848-155-0x0000000000AB0000-0x0000000000ABA000-memory.dmp

Filesize
40KB

Download
memory/1848-149-0x00000000007F0000-0x00000000007FA000-memory.dmp

Filesize
40KB

Download
memory/1848-140-0x0000000000BF0000-0x0000000004424000-memory.dmp

Filesize
56.2MB

Download
memory/1848-148-0x000000001EC60000-0x000000001ED12000-memory.dmp

Filesize
712KB

Download
memory/1848-143-0x000000001DFA0000-0x000000001DFAC000-memory.dmp

Filesize
48KB

Download
memory/1848-142-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/1848-144-0x000000001DE90000-0x000000001DEA4000-memory.dmp

Filesize
80KB

Download
memory/1848-145-0x000000001E970000-0x000000001E994000-memory.dmp

Filesize
144KB

Download
memory/1848-146-0x000000001E990000-0x000000001E99A000-memory.dmp

Filesize
40KB

Download
memory/1848-147-0x000000001E9B0000-0x000000001E9DA000-memory.dmp

Filesize
168KB

Download
memory/2216-59-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2216-74-0x0000000000400000-0x0000000002B1E000-memory.dmp

Filesize
39.1MB

Download
memory/2216-2-0x0000000002B20000-0x0000000002B8C000-memory.dmp

Filesize
432KB

Download
memory/2216-1-0x0000000000260000-0x0000000000360000-memory.dmp

Filesize
1024KB

Download
memory/2216-50-0x0000000000260000-0x0000000000360000-memory.dmp

Filesize
1024KB

Download
memory/2216-22-0x0000000000400000-0x0000000002B1E000-memory.dmp

Filesize
39.1MB

Download
memory/2216-75-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2216-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/3048-139-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/3048-100-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads