djvu | f352876b06c96492e19d04561c4445fff1e102451655245585bc96db8a7da3b0

General

Target

be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
Size

708KB
MD5

be321c572727e800755c4b8a1259dbd0
SHA1

a7977c6c83b51f2caa7ee89b5afdbf2c5ddf3cdb
SHA256

f352876b06c96492e19d04561c4445fff1e102451655245585bc96db8a7da3b0
SHA512

258a831243ac3121368333488cfae24ae2572d94fc739238e56e4b67d69420a2ce7ca9a6645c634ab7d91040b196ad2850309df2885f1d2976b49d6de5a4703d
SSDEEP

12288:KJY8QgxiwZWsWfGdFYRLc+TFjNUSkFL7Z/5Nkq15UqsvRCZK7RHg:KJYfwosW+CRbRNU3L795P15SRndHg

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test1/get.php

Attributes

extension
.vepi
offline_id
EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1
payload_url
http://sdfjhuz.com/dl/build2.exe
http://cajgtus.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1692-2-0x0000000004120000-0x000000000423B000-memory.dmp	family_djvu
behavioral2/memory/2572-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2572-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2572-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2572-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2572-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3144-20-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3144-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3144-25-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3144-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3144-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3144-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3144-32-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3144-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3144-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

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

Processes:

be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3068 icacls.exe

pid	process
3068	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\7182abe2-efd9-4eb1-9d0d-9dddb5961538\\be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe\" --AutoStart"	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

7 api.2ip.ua
8 api.2ip.ua
14 api.2ip.ua

flow	ioc
7	api.2ip.ua
8	api.2ip.ua
14	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

Processes:

be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exebe321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe

description	pid	process	target process
PID 1692 set thread context of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 set thread context of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exebe321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe

pid	process
2572	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
2572	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
3144	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
3144	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exebe321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exebe321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe

C:\Users\Admin\AppData\Local\Temp\be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1692

C:\Users\Admin\AppData\Local\Temp\be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2572

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\7182abe2-efd9-4eb1-9d0d-9dddb5961538" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:3068

C:\Users\Admin\AppData\Local\Temp\be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2120

C:\Users\Admin\AppData\Local\Temp\be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:3144

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

File and Directory Permissions Modification

1

T1222

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
1KB

MD5
674eea23317dbe46466410a69968553a

SHA1
c0ce24a330de3259422311bbd95781f09493c35c

SHA256
8bf4be0a2387addca8a3a2f9ff1753e2be67ce61c2128fcddc55793e14ba209d

SHA512
28769a44c6ffe441cad1cebb6ea6c3e7dd31d59a27687760a9dc2c29f246d9be66c8eee0f72e439880e7ed950e458da3c14d56036acfb9086272b60c94a11a5a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
410B

MD5
d170d17e5a9f2ab71405a2c4058ba463

SHA1
60a4fb7118bca760e09b41b25310618e12713f78

SHA256
f86dd2eadb19cb37177c6e0dc33bcfa953b950e2ae4ecd0680bc3266a22c9830

SHA512
eaff923c6bc71bf03aaa80521c4c35050d6fa02e68194611062d8a8c3e02a89c9ae7ec9003a2d4a41a6c5b01dd3adae2de4a70cb182e91cded96a853f5d963ad

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
392B

MD5
d251566af08c07f5d4f25fd447817edc

SHA1
bd0f19dbdeb55e35a24f73c9fe85b87999d394e8

SHA256
9553fbda160eb03fe2c446244ae0fc7d4d453fea0f2b3487a1ac57c54423c9d7

SHA512
4d3ef166d396cf81e62355a5a769c1bf93c06fe56ab76e1e4e5ba9ffd590710d1b7eeaee790e39097268b0a376ae5487bb0b5630146461d16689e64004b89c9f

Download Submit
C:\Users\Admin\AppData\Local\7182abe2-efd9-4eb1-9d0d-9dddb5961538\be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
Filesize
708KB

MD5
be321c572727e800755c4b8a1259dbd0

SHA1
a7977c6c83b51f2caa7ee89b5afdbf2c5ddf3cdb

SHA256
f352876b06c96492e19d04561c4445fff1e102451655245585bc96db8a7da3b0

SHA512
258a831243ac3121368333488cfae24ae2572d94fc739238e56e4b67d69420a2ce7ca9a6645c634ab7d91040b196ad2850309df2885f1d2976b49d6de5a4703d

Download Submit
memory/1692-2-0x0000000004120000-0x000000000423B000-memory.dmp

Filesize
1.1MB

Download
memory/1692-1-0x0000000003FF0000-0x000000000408E000-memory.dmp

Filesize
632KB

Download
memory/2572-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2572-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2572-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2572-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2572-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3144-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3144-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3144-20-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3144-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3144-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3144-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3144-32-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3144-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3144-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

description	pid	process	target process
PID 1692 wrote to memory of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 1692 wrote to memory of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 1692 wrote to memory of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 1692 wrote to memory of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 1692 wrote to memory of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 1692 wrote to memory of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 1692 wrote to memory of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 1692 wrote to memory of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 1692 wrote to memory of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 1692 wrote to memory of 2572	1692	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2572 wrote to memory of 3068	2572	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	icacls.exe
PID 2572 wrote to memory of 3068	2572	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	icacls.exe
PID 2572 wrote to memory of 3068	2572	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	icacls.exe
PID 2572 wrote to memory of 2120	2572	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2572 wrote to memory of 2120	2572	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2572 wrote to memory of 2120	2572	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 wrote to memory of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 wrote to memory of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 wrote to memory of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 wrote to memory of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 wrote to memory of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 wrote to memory of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 wrote to memory of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 wrote to memory of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 wrote to memory of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe
PID 2120 wrote to memory of 3144	2120	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe	be321c572727e800755c4b8a1259dbd0_NeikiAnalytics.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads