stormkitty | 06a8dff1d1fba038b6d551d502eca4ff79a471a7f3c46ea4cfc88bce5ba86b62

General

Target

CryptoFactory.exe
Size

6.0MB
MD5

527e4ae4c9a4f056e8a4ca219c5089e6
SHA1

dfc855147f098b2db6857c0e3305b8850c61671f
SHA256

06a8dff1d1fba038b6d551d502eca4ff79a471a7f3c46ea4cfc88bce5ba86b62
SHA512

7d17209527e6cb292e8f74197a2c44de8b72307432b3477dee88edb48b2bf2c4c7647edef3dcd68f2e935601c9046f0225a254a2d572af34ef712f3387d5e7c1
SSDEEP

98304:aGOYln80EisK9yJND14r0Uhmkl1qa1Egu2Wh/X9Tm0OXcPwQESF/IKc6jF:aFqnPEZZzeJmkl1qHd2i/9TjElH8QKcK

Score

10^/10

stormkitty discovery stealer

Malware Config

Signatures

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

StormKitty payload 2 IoCs

resource	yara_rule
behavioral2/memory/2592-27-0x00000000002E0000-0x0000000000352000-memory.dmp	family_stormkitty
behavioral2/files/0x0007000000023cb5-24.dat	family_stormkitty

Stormkitty family
stormkitty

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/memory/2592-27-0x00000000002E0000-0x0000000000352000-memory.dmp	net_reactor
behavioral2/files/0x0007000000023cb5-24.dat	net_reactor

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	CryptoFactory.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process
3764	2592	WerFault.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CryptoFactory.exe

C:\Users\Admin\AppData\Local\Temp\CryptoFactory.exe
"C:\Users\Admin\AppData\Local\Temp\CryptoFactory.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
PID:3976
- C:\Users\Admin\AppData\Roaming\CryptoFactory.exe
  "C:\Users\Admin\AppData\Roaming\CryptoFactory.exe"
  2⤵
  PID:4164
- C:\Users\Admin\AppData\Roaming\Client.exe
  "C:\Users\Admin\AppData\Roaming\Client.exe"
  2⤵
  PID:2592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 788
    3⤵
    - Program crash
    PID:3764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2592 -ip 2592
1⤵
PID:1984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Client.exe

Filesize
431KB

MD5
a66341eb6be2e1497bc12048697b0a1b

SHA1
a721702b08f10d97c9cc1d041b1f147cc269a996

SHA256
c9ee99ccabd3260875974019160063dbbf4bf7bb9d4a9cc9a44ccbaf23ac050a

SHA512
154e60bfc9f29d1d18aa5fbdc36e10c045cd16402191036dc80c7f8a0f6ca4219361668c5a5f5f01d799b2fe1be319432d358593c230e49bf1d608a3bac5508d

Download Submit
C:\Users\Admin\AppData\Roaming\CryptoFactory.exe

Filesize
4.8MB

MD5
e0420dafe77952b8b4e0bf37032aefcb

SHA1
9ecc683ebac8295636271f8bd4d8faa68ab118d6

SHA256
85120662f778f29f57dc144901d69418576835fa015541f91210b6ee98587c74

SHA512
86a51997b18df98bfc45acd7987fc985d35d56a04e8ce8bd79e4ce8ae47b6764ce1fa342177604bbffc49c2fc2e763a1da2186a6e33db01c9d84c25a7e245dab

Download Submit
C:\Users\Admin\AppData\Roaming\CryptoFactory.exe

Filesize
4.1MB

MD5
c50d1ed6d5f20b8deaa2de1d1b093979

SHA1
db1765aad7d201e4538702468f448ca43bb13e15

SHA256
216c3fcf3f7ce041bbe2fe838203a0f58d70f26f179348a30e7f16faa6d62229

SHA512
3174d576d1ae4c6ee676eecf1a76e26648571ae5209607f80f0680472c5d3f8281126de4f6af2fde6a42ef576d622d4e881fc4018b2985b00e6ca309ad93e26c

Download Submit
C:\Users\Admin\AppData\Roaming\CryptoFactory.exe

Filesize
4.4MB

MD5
a711fd416cd5f763a62cf5cea6a3facd

SHA1
7ec788d689eb653d1295bf3836c1a94a29be9da2

SHA256
06b1504869220b6a907a6e4b79a7a0be0df599e25dc2b5e6d1327c9ec0354287

SHA512
108304bc4e36d4b36d5f257458cc06a4d8b7765b863a9b4ad9ba4bc31fbbb637b4997511e407291f6e5ea40659b9bc766f1881e0a73a33cd88b89a8e11f16476

Download Submit
memory/2592-27-0x00000000002E0000-0x0000000000352000-memory.dmp

Filesize
456KB

Download
memory/2592-26-0x0000000071C1E000-0x0000000071C1F000-memory.dmp

Filesize
4KB

Download
memory/3976-0-0x0000000074A42000-0x0000000074A43000-memory.dmp

Filesize
4KB

Download
memory/3976-2-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3976-1-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/3976-28-0x0000000074A40000-0x0000000074FF1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-29-0x0000000071C10000-0x00000000723C0000-memory.dmp

Filesize
7.7MB

Download
memory/4164-31-0x0000000002A00000-0x0000000002A06000-memory.dmp

Filesize
24KB

Download
memory/4164-30-0x0000000000180000-0x000000000070C000-memory.dmp

Filesize
5.5MB

Download
memory/4164-32-0x0000000008560000-0x0000000008CA6000-memory.dmp

Filesize
7.3MB

Download
memory/4164-33-0x0000000005060000-0x0000000005082000-memory.dmp

Filesize
136KB

Download
memory/4164-34-0x000000000C290000-0x000000000C296000-memory.dmp

Filesize
24KB

Download
memory/4164-35-0x0000000071C10000-0x00000000723C0000-memory.dmp

Filesize
7.7MB

Download
memory/4164-36-0x000000000F2A0000-0x000000000F5F4000-memory.dmp

Filesize
3.3MB

Download
memory/4164-37-0x0000000071C10000-0x00000000723C0000-memory.dmp

Filesize
7.7MB

Download
memory/4164-39-0x0000000071C10000-0x00000000723C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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