stormkitty | 5b45d82c1bdeb0b5b91c84cd61c0359f95440e2a02ccc46258e76d4f4f679030

Analysis

max time kernel
145s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2023, 14:22

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General

Target

76.exe
Size

309KB
MD5

7676d190a2a572a61972464293c7ba38
SHA1

9b5b992e855d4139d7b074149a68b05b04eca27c
SHA256

5b45d82c1bdeb0b5b91c84cd61c0359f95440e2a02ccc46258e76d4f4f679030
SHA512

4321be10b5da54380f5abd2f21e81f6d481f7cf0b09f55c92b24eecc6272ca59fbe47fedca806417efed37169c94ff80eb72fa3454a568f268fc81fa5ed6fd16
SSDEEP

6144:J1jCUYVklKf/STDbILwh4seUp3Op3kfgZzjXLOEDfvMs/clN:J1jH1lKf/STAUh1j+pS2fXiEDvXG

Score

10^/10

stormkitty spyware stealer vmprotect

Malware Config

Signatures

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral2/memory/4252-136-0x00000000007A0000-0x00000000007F0000-memory.dmp	family_stormkitty

Downloads MZ/PE file
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

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/files/0x000200000001e6d9-150.dat	vmprotect
behavioral2/memory/4252-389-0x000000001C5F0000-0x000000001C674000-memory.dmp	vmprotect
behavioral2/files/0x000200000001e6d9-408.dat	vmprotect

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
27	icanhazip.com
30	ip-api.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2516	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2588	taskkill.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe
4252	76.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4252	76.exe
Token: SeSecurityPrivilege	4696	msiexec.exe
Token: SeDebugPrivilege	2588	taskkill.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 2088	4252	76.exe	90
PID 4252 wrote to memory of 2088	4252	76.exe	90
PID 2088 wrote to memory of 2828	2088	cmd.exe	93
PID 2088 wrote to memory of 2828	2088	cmd.exe	93
PID 2088 wrote to memory of 1972	2088	cmd.exe	94
PID 2088 wrote to memory of 1972	2088	cmd.exe	94
PID 2088 wrote to memory of 3372	2088	cmd.exe	95
PID 2088 wrote to memory of 3372	2088	cmd.exe	95
PID 4252 wrote to memory of 3584	4252	76.exe	99
PID 4252 wrote to memory of 3584	4252	76.exe	99
PID 3584 wrote to memory of 1540	3584	cmd.exe	101
PID 3584 wrote to memory of 1540	3584	cmd.exe	101
PID 3584 wrote to memory of 3468	3584	cmd.exe	102
PID 3584 wrote to memory of 3468	3584	cmd.exe	102
PID 4252 wrote to memory of 4116	4252	76.exe	107
PID 4252 wrote to memory of 4116	4252	76.exe	107
PID 4116 wrote to memory of 3100	4116	cmd.exe	109
PID 4116 wrote to memory of 3100	4116	cmd.exe	109
PID 4116 wrote to memory of 2588	4116	cmd.exe	110
PID 4116 wrote to memory of 2588	4116	cmd.exe	110
PID 4116 wrote to memory of 2516	4116	cmd.exe	111
PID 4116 wrote to memory of 2516	4116	cmd.exe	111

C:\Users\Admin\AppData\Local\Temp\76.exe
"C:\Users\Admin\AppData\Local\Temp\76.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2828
- - C:\Windows\system32\netsh.exe
    netsh wlan show profile
    3⤵
    PID:1972
- - C:\Windows\system32\findstr.exe
    findstr All
    3⤵
    PID:3372
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3584
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:1540
- - C:\Windows\system32\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:3468
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpEE8F.tmp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4116
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:3100
- - C:\Windows\system32\taskkill.exe
    TaskKill /F /IM 4252
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2588
- - C:\Windows\system32\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:2516

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\Directories\OneDrive.txt

Filesize
25B

MD5
966247eb3ee749e21597d73c4176bd52

SHA1
1e9e63c2872cef8f015d4b888eb9f81b00a35c79

SHA256
8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e

SHA512
bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\Directories\Startup.txt

Filesize
24B

MD5
68c93da4981d591704cea7b71cebfb97

SHA1
fd0f8d97463cd33892cc828b4ad04e03fc014fa6

SHA256
889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483

SHA512
63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\Directories\Videos.txt

Filesize
23B

MD5
1fddbf1169b6c75898b86e7e24bc7c1f

SHA1
d2091060cb5191ff70eb99c0088c182e80c20f8c

SHA256
a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733

SHA512
20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\System\Apps.txt

Filesize
1KB

MD5
feafd8f8f9cecbc0ee4605ed96e10ec3

SHA1
96535eb7b7079be39f2005947d397edc4f38f1fb

SHA256
1248f83c40aeaff5f6db6b8ea17efa83f0846d021ed78e35959eebff5ff639e8

SHA512
c6ddb7fc91c455927004d6a8f75b449edf716c72aba2dec0b23518f198a9d00dd21b21f70c64ea849384c78c4de5b13f9427679a37a4324d6df76746baaa22a9

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\System\Apps.txt

Filesize
4KB

MD5
4a5d9b755120cfb5b71165e768d3e8a2

SHA1
29d793d7b31e1113cf1d5806560baf3bcf7c0dcd

SHA256
3e6572738251de0cd6cb629597f820a46a6a630dbe03034f54d7e22525aa81d2

SHA512
2e02e2a854ea226ad3da204c494c953f50768d8ea5718a61b88d7d4ecf5048db2ac481a81edd2f60cf80146bc341012cf7a64a081621fc1ffc2537fe47c851b1

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\System\Process.txt

Filesize
908B

MD5
cb22eac9a4b28edbf9e108065ef57b15

SHA1
245fdb51013147d018ec4da81d991a2418fbb21e

SHA256
ab90382d1a0523faf164e337a15afe3bdfc4441ab0e56b3bc35e02aa44363144

SHA512
f953ec9ac8ad8cba733396aa163d939b7ad592ad2e9dfc342cfacf6436b7674f5fad7640edcbe60d62cf6204019d849f7e2776d400dbd33d70cce7c6b3f96e96

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\System\Process.txt

Filesize
1KB

MD5
bcbbb76dccce69834fac2aef91896af9

SHA1
a1b899ccb289da5ef1d58b92b3f67df61be8301e

SHA256
55ff96d783f318e50c3d692022faf8953ac822c47844eb99f6817f45dd46675b

SHA512
dcd9869ccc8b9a543212e6fa58555ba3a71240ed9d57db14d353dab684dd7373b5f3bd6355a728c302a582eef7ac9bf6fc7e17d780cbe7e440b150ac13ff6358

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\System\Process.txt

Filesize
2KB

MD5
2d730f695e32a1e80953286ae488ed71

SHA1
8045e4664f4d722b4fbaa2debc13f2e5a4f5bd6f

SHA256
09453f0dbbc29d50778862ff5f6ceaa58fbf3eaae35cc9a3201d7453b765dbd2

SHA512
62456b92530452da1f7f8cc15651212b78af4755da1981bd0811a0ad302109800057fff790b713ffba590816dc313bb7f4c5a5efc17f7fbb1e5a3692aed4dae6

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\System\Process.txt

Filesize
3KB

MD5
bb16b7a383b220725240f98aace13a1d

SHA1
56af4b06cb261d713ad62e87cb58dc459d22ea6f

SHA256
b1435cb473db91cfe4bbfa3670fa43c81b933b25420a501df23a017fca7d4ec0

SHA512
b12f7cabb6ce43115a81f6b8cd4c318d05f55c65cb4efcb49b1c084a1c3b09d5a284f81bf64049053d637ac151b387499118667a3031138f229927d0ff57777f

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\System\Process.txt

Filesize
4KB

MD5
dcc5d6ac936832b116b7b738fcf7e7b9

SHA1
7363967efb947679557eef8f962c9b5b57347327

SHA256
26bfeaf3314383dca3937c098d26511f4812af6240ac2a62ea65743e0e2feaeb

SHA512
5879dfafd7645e17226baf453ed03a954918a6bbdf0e9266800f56b6a0520c195407d9eabca4f7569d444f2c4df5660e67319d6e6a0452981c3e4f83504fd650

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\Admin@LMMMEQUO_en-US\System\ProductKey.txt

Filesize
29B

MD5
71eb5479298c7afc6d126fa04d2a9bde

SHA1
a9b3d5505cf9f84bb6c2be2acece53cb40075113

SHA256
f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3

SHA512
7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd

Download Submit
C:\Users\Admin\AppData\Local\6fd7c00cffaed80cb28cb179aca83cf4\msgid.dat

Filesize
2B

MD5
c0c7c76d30bd3dcaefc96f40275bdc0a

SHA1
e1822db470e60d090affd0956d743cb0e7cdf113

SHA256
1a6562590ef19d1045d06c4055742d38288e9e6dcd71ccde5cee80f1d5a774eb

SHA512
e62b01e8497ab6b7d89432599e21804eca278bb4a9c4b6ef5f7bae00bd5e45ae6c8cf3a18b74296f9a8e69cd2f416a8f41eeb2128f4e280ecf438ffef6244e14

Download Submit
C:\Users\Admin\AppData\Local\Temp\AnonFileApi.dll

Filesize
293KB

MD5
7a2d5deab61f043394a510f4e2c0866f

SHA1
ca16110c9cf6522cd7bea32895fd0f697442849b

SHA256
75db945388f62f2de3d3eaae911f49495f289244e2fec9b25455c2d686989f69

SHA512
b66b0bf227762348a5ede3c2578d5bc089c222f632a705241bcc63d56620bef238c67ca2bd400ba7874b2bc168e279673b0e105b73282bc69aa21a7fd34bafe0

Download Submit
C:\Users\Admin\AppData\Local\Temp\AnonFileApi.dll

Filesize
293KB

MD5
7a2d5deab61f043394a510f4e2c0866f

SHA1
ca16110c9cf6522cd7bea32895fd0f697442849b

SHA256
75db945388f62f2de3d3eaae911f49495f289244e2fec9b25455c2d686989f69

SHA512
b66b0bf227762348a5ede3c2578d5bc089c222f632a705241bcc63d56620bef238c67ca2bd400ba7874b2bc168e279673b0e105b73282bc69aa21a7fd34bafe0

Download Submit
C:\Users\Admin\AppData\Local\Temp\DotNetZip.dll

Filesize
448KB

MD5
6d1c62ec1c2ef722f49b2d8dd4a4df16

SHA1
1bb08a979b7987bc7736a8cfa4779383cb0ecfa6

SHA256
00da1597d92235d3f84da979e2fa5dbf049bafb52c33bd6fc8ee7b29570c124c

SHA512
c0dce8eaa52eb6c319d4be2eec4622bb3380c65b659cfb77ff51a4ada7d3e591e791ee823dad67b5556ffac5c060ff45d09dd1cc21baaf70ba89806647cb3bd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\DotNetZip.dll

Filesize
448KB

MD5
6d1c62ec1c2ef722f49b2d8dd4a4df16

SHA1
1bb08a979b7987bc7736a8cfa4779383cb0ecfa6

SHA256
00da1597d92235d3f84da979e2fa5dbf049bafb52c33bd6fc8ee7b29570c124c

SHA512
c0dce8eaa52eb6c319d4be2eec4622bb3380c65b659cfb77ff51a4ada7d3e591e791ee823dad67b5556ffac5c060ff45d09dd1cc21baaf70ba89806647cb3bd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEE8F.tmp.bat

Filesize
231B

MD5
fa0685d8fbea7420e4672c4be4a2965b

SHA1
80dff22db7229ab645319484c70b528b4ad5ddc7

SHA256
87ce4e31284590a00201c3c1869d87fe918538aaff8f52674ac9f56672034195

SHA512
6c738624418d0c4f0fa51d837100c6a7788ab60c49d95010ea3b2f000e9bb7cc8762468abbd38a0fd5ecd8a48e29a5755f28cae46db67a5835a81f7fac488654

Download Submit
memory/4252-321-0x000000001C570000-0x000000001C5E6000-memory.dmp

Filesize
472KB

Download
memory/4252-136-0x00000000007A0000-0x00000000007F0000-memory.dmp

Filesize
320KB

Download
memory/4252-294-0x000000001C560000-0x000000001C570000-memory.dmp

Filesize
64KB

Download
memory/4252-389-0x000000001C5F0000-0x000000001C674000-memory.dmp

Filesize
528KB

Download
memory/4252-391-0x0000000001600000-0x0000000001601000-memory.dmp

Filesize
4KB

Download
memory/4252-392-0x0000000001600000-0x0000000001601000-memory.dmp

Filesize
4KB

Download
memory/4252-393-0x0000000001600000-0x0000000001601000-memory.dmp

Filesize
4KB

Download
memory/4252-395-0x000000001C560000-0x000000001C570000-memory.dmp

Filesize
64KB

Download
memory/4252-396-0x000000001C560000-0x000000001C570000-memory.dmp

Filesize
64KB

Download
memory/4252-397-0x0000000001600000-0x0000000001601000-memory.dmp

Filesize
4KB

Download
memory/4252-140-0x000000001C560000-0x000000001C570000-memory.dmp

Filesize
64KB

Download
memory/4252-139-0x00007FFE123A0000-0x00007FFE12E61000-memory.dmp

Filesize
10.8MB

Download
memory/4252-406-0x00007FFE123A0000-0x00007FFE12E61000-memory.dmp

Filesize
10.8MB

Download
memory/4252-138-0x000000001C560000-0x000000001C570000-memory.dmp

Filesize
64KB

Download
memory/4252-137-0x00007FFE123A0000-0x00007FFE12E61000-memory.dmp

Filesize
10.8MB

Download