stormkitty | b139b5f0a9d2144720c249bd412b68cada81c96b03a6ecf6a64a9f5f1bca7395

General

Target

-.exe
Size

310KB
MD5

4c7c52e95b8c9c16cb9e79e477147ea9
SHA1

05c27eb4f35f04a463d6d7a24bc01b932086a472
SHA256

b139b5f0a9d2144720c249bd412b68cada81c96b03a6ecf6a64a9f5f1bca7395
SHA512

9ef5449a778419b636adcce125ca89dbf5fd08b03ab260653da474ab4ddd1b547fb3df457c6c1abb14214aa41b4331ec2a648b5e702b598a0f3c2e711bbed951
SSDEEP

6144:jeDD/pKSXx9AtjU6azN6dBVZXPTWziYkbylTXqVlN:jePhhzAtVazNKBvfOSOqX

Score

10^/10

stormkitty stealer

Malware Config

Signatures

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

StormKitty payload 3 IoCs

resource	yara_rule
behavioral1/memory/2840-1-0x000000013F170000-0x000000013F1C0000-memory.dmp	family_stormkitty
behavioral1/memory/2840-2-0x0000000002240000-0x00000000022B4000-memory.dmp	family_stormkitty
behavioral1/files/0x000a000000015d62-173.dat	family_stormkitty

Deletes itself 1 IoCs

pid	Process
2224	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1192	Process not Found

Loads dropped DLL 1 IoCs

pid	Process
1192	Process not Found

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

T1102

flow	ioc
7	raw.githubusercontent.com
10	raw.githubusercontent.com
11	raw.githubusercontent.com
6	raw.githubusercontent.com

Looks up external IP address via web service 1 IoCs

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

flow	ioc
4	ip-api.com

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
540	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2416	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2840	-.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	-.exe
Token: SeDebugPrivilege	2416	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2224	2840	-.exe	32
PID 2840 wrote to memory of 2224	2840	-.exe	32
PID 2840 wrote to memory of 2224	2840	-.exe	32
PID 2224 wrote to memory of 1284	2224	cmd.exe	34
PID 2224 wrote to memory of 1284	2224	cmd.exe	34
PID 2224 wrote to memory of 1284	2224	cmd.exe	34
PID 2224 wrote to memory of 2416	2224	cmd.exe	35
PID 2224 wrote to memory of 2416	2224	cmd.exe	35
PID 2224 wrote to memory of 2416	2224	cmd.exe	35
PID 2224 wrote to memory of 540	2224	cmd.exe	36
PID 2224 wrote to memory of 540	2224	cmd.exe	36
PID 2224 wrote to memory of 540	2224	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\-.exe
"C:\Users\Admin\AppData\Local\Temp\-.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp3CD6.tmp.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:1284
- - C:\Windows\system32\taskkill.exe
    TaskKill /F /IM 2840
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2416
- - C:\Windows\system32\timeout.exe
    Timeout /T 2 /Nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab9C9F.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9CB2.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3CD6.tmp.bat

Filesize
230B

MD5
45252167e6d71d406e28ed71ae8ccb41

SHA1
c26a6a70e1e5e2dfdf719c8ecc7884d40eacd931

SHA256
52fefaaab9e200e249eb5d27fb50061b3f8fe6794324ca3e786e1dd848d5f4d3

SHA512
146f3aca52e5d560264ff99292098d597666e78b511e6d65041ecbd263a1a8521334afb259f168a87b200b980023cc56128c2831e1446e9e6e116731a3378883

Download Submit
\Users\Admin\AppData\Local\Temp\-.exe

Filesize
310KB

MD5
4c7c52e95b8c9c16cb9e79e477147ea9

SHA1
05c27eb4f35f04a463d6d7a24bc01b932086a472

SHA256
b139b5f0a9d2144720c249bd412b68cada81c96b03a6ecf6a64a9f5f1bca7395

SHA512
9ef5449a778419b636adcce125ca89dbf5fd08b03ab260653da474ab4ddd1b547fb3df457c6c1abb14214aa41b4331ec2a648b5e702b598a0f3c2e711bbed951

Download Submit
memory/2840-0-0x000007FEF5573000-0x000007FEF5574000-memory.dmp

Filesize
4KB

Download
memory/2840-1-0x000000013F170000-0x000000013F1C0000-memory.dmp

Filesize
320KB

Download
memory/2840-2-0x0000000002240000-0x00000000022B4000-memory.dmp

Filesize
464KB

Download
memory/2840-3-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/2840-4-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp

Filesize
9.9MB

Download
memory/2840-171-0x000007FEF5573000-0x000007FEF5574000-memory.dmp

Filesize
4KB

Download
memory/2840-175-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp

Filesize
9.9MB

Download
memory/2840-179-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp

Filesize
9.9MB

Download

Analysis

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