stealc | 89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774

General

Target

89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774.exe
Size

415KB
MD5

6626b648fcbbbc68f43324823b64b546
SHA1

09e9c3d3144e260224c2bd7898f6143f6cf7cbaa
SHA256

89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774
SHA512

4732ba0a73254c31c9870f1520f2e6e98cb0d45b7653344c76a8c084f0b1db82dc9de8fafbfeca044c57d74e638fac243cbb4c8dacd5af6089e77bd919db6d50
SSDEEP

6144:1EDKHnnl1ovMkM4/np9BpxK295AGtLXjHm5lW/P2DYJc:1EDKHnnHjgp99KItLXjHKlWmDAc

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes

url_path
/3cd2b41cbde8fc9c.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 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	89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774.exe

Executes dropped EXE 2 IoCs

pid	Process
764	u1d4.0.exe
4900	u1d4.1.exe

Loads dropped DLL 2 IoCs

pid	Process
764	u1d4.0.exe
764	u1d4.0.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
2804	1768	WerFault.exe	92
808	764	WerFault.exe	103

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	u1d4.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1d4.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1d4.1.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	u1d4.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1d4.0.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe
764	u1d4.0.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
4900	u1d4.1.exe
4900	u1d4.1.exe
4900	u1d4.1.exe
4900	u1d4.1.exe
4900	u1d4.1.exe
4900	u1d4.1.exe
4900	u1d4.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
4900	u1d4.1.exe
4900	u1d4.1.exe
4900	u1d4.1.exe
4900	u1d4.1.exe
4900	u1d4.1.exe
4900	u1d4.1.exe
4900	u1d4.1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 764	1768	89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774.exe	103
PID 1768 wrote to memory of 764	1768	89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774.exe	103
PID 1768 wrote to memory of 764	1768	89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774.exe	103
PID 1768 wrote to memory of 4900	1768	89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774.exe	107
PID 1768 wrote to memory of 4900	1768	89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774.exe	107
PID 1768 wrote to memory of 4900	1768	89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774.exe	107

C:\Users\Admin\AppData\Local\Temp\89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774.exe
"C:\Users\Admin\AppData\Local\Temp\89a73e95f1a81f25b0693fbf40a533dafb7eac84f3e70f0c20ebc9b0d7bcc774.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\u1d4.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1d4.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:764
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DHIECGCAEB.exe"
    3⤵
    PID:2936
  - - C:\Users\Admin\AppData\Local\Temp\DHIECGCAEB.exe
      "C:\Users\Admin\AppData\Local\Temp\DHIECGCAEB.exe"
      4⤵
      PID:1196
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 2492
    3⤵
    - Program crash
    PID:808
- C:\Users\Admin\AppData\Local\Temp\u1d4.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1d4.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:4900
- - 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⤵
    PID:4056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 1164
  2⤵
  - Program crash
  PID:2804

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=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:3648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1768 -ip 1768
1⤵
PID:4008

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=2376 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:3
1⤵
PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 764 -ip 764
1⤵
PID:2376

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

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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\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

Filesize
40B

MD5
20d4b8fa017a12a108c87f540836e250

SHA1
1ac617fac131262b6d3ce1f52f5907e31d5f6f00

SHA256
6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

SHA512
507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

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

Filesize
106KB

MD5
fe380780b5c35bd6d54541791151c2be

SHA1
7fe3a583cf91474c733f85cebf3c857682e269e1

SHA256
b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

SHA512
ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1d4.0.exe

Filesize
274KB

MD5
0e6f8c238d116ca0597085a7731115ef

SHA1
0fd2e399f89eaa74eb9306aecd1faa032b5f66a2

SHA256
9b910b87184474510607d696f84f3ae054939a7cbd0622e0d34ad95b7e25ff4f

SHA512
a09b6f5340df4351248b0a0148d243287e3823dbe33a9bdc8b769e7adb2f364585f5bb0e440ba2d5aeeb1e2e994708688f5d98262809f48570cd59b4a46ee95e

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1d4.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/764-23-0x0000000000400000-0x0000000002D22000-memory.dmp

Filesize
41.1MB

Download
memory/764-116-0x0000000000400000-0x0000000002D22000-memory.dmp

Filesize
41.1MB

Download
memory/764-21-0x0000000002E70000-0x0000000002F70000-memory.dmp

Filesize
1024KB

Download
memory/764-172-0x0000000000400000-0x0000000002D22000-memory.dmp

Filesize
41.1MB

Download
memory/764-156-0x0000000000400000-0x0000000002D22000-memory.dmp

Filesize
41.1MB

Download
memory/764-37-0x0000000000400000-0x0000000002D22000-memory.dmp

Filesize
41.1MB

Download
memory/764-40-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/764-22-0x0000000004950000-0x0000000004977000-memory.dmp

Filesize
156KB

Download
memory/764-155-0x0000000000400000-0x0000000002D22000-memory.dmp

Filesize
41.1MB

Download
memory/764-132-0x0000000002E70000-0x0000000002F70000-memory.dmp

Filesize
1024KB

Download
memory/1196-177-0x0000000000560000-0x0000000000580000-memory.dmp

Filesize
128KB

Download
memory/1196-184-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/1196-180-0x0000000072130000-0x00000000728E0000-memory.dmp

Filesize
7.7MB

Download
memory/1196-175-0x0000000072130000-0x00000000728E0000-memory.dmp

Filesize
7.7MB

Download
memory/1768-7-0x0000000002FE0000-0x00000000030E0000-memory.dmp

Filesize
1024KB

Download
memory/1768-5-0x0000000000400000-0x0000000002D45000-memory.dmp

Filesize
41.3MB

Download
memory/1768-8-0x0000000002F00000-0x0000000002F6C000-memory.dmp

Filesize
432KB

Download
memory/1768-3-0x0000000000400000-0x0000000002D45000-memory.dmp

Filesize
41.3MB

Download
memory/1768-1-0x0000000002FE0000-0x00000000030E0000-memory.dmp

Filesize
1024KB

Download
memory/1768-36-0x0000000000400000-0x0000000002D45000-memory.dmp

Filesize
41.3MB

Download
memory/1768-2-0x0000000002F00000-0x0000000002F6C000-memory.dmp

Filesize
432KB

Download
memory/4056-196-0x000002124D710000-0x0000021251008000-memory.dmp

Filesize
57.0MB

Download
memory/4900-97-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4900-176-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4900-173-0x00000000026A0000-0x00000000026A1000-memory.dmp

Filesize
4KB

Download
memory/4900-160-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4900-194-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4900-195-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4900-35-0x00000000026A0000-0x00000000026A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads