djvu | 312f6abe987e7369d90abd69fde9d48f5d881f96c1e8b348018e20e1b288ca65

General

Target

f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe
Size

854KB
MD5

f64cf802d1e163260f8ebd224e7b2078
SHA1

397ae2240c3f2877b0ae69269d81da9e770d3146
SHA256

312f6abe987e7369d90abd69fde9d48f5d881f96c1e8b348018e20e1b288ca65
SHA512

d52f1b5738a79da9cba75aed81decfcebd27519ee9362bfded8dcf537a4063f8d6d1537dc7b3677dca9e6b6743d1e6c39e52b756b84b4e9ce8cf948e134bf243
SSDEEP

12288:aewSMliBZTnHy8VRzCJeuUoAG4vKBLQLNHdeHXXPFYe79II2khIcOZwFyEcvEWiC:PTHBZT5cerS153/FYe7KBmOyFyViP4

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://ring2.ug/As73yhsyU34578hxxx1/SDf565g/get.php

Attributes

extension
.piny
offline_id
iIiGYUzv3s4ychYXlQIMiJlnVi3Zvtd6RnQwDZt1
payload_url
http://ring2.ug/files/iner/updatewin1.exe

http://ring2.ug/files/iner/updatewin2.exe

http://ring2.ug/files/iner/updatewin.exe

http://ring2.ug/files/iner/3.exe

http://ring2.ug/files/iner/4.exe

http://ring2.ug/files/iner/5.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-lfgsmr5vzo Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0195Asd374y5iuhld

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1088-2-0x00000000009C0000-0x0000000000ADA000-memory.dmp	family_djvu
behavioral1/memory/1088-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1088-24-0x00000000009C0000-0x0000000000ADA000-memory.dmp	family_djvu
behavioral1/memory/1088-23-0x0000000000400000-0x00000000009BD000-memory.dmp	family_djvu
behavioral1/memory/1088-25-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2824-27-0x0000000000400000-0x00000000009BD000-memory.dmp	family_djvu
behavioral1/memory/2824-28-0x0000000000400000-0x00000000009BD000-memory.dmp	family_djvu
behavioral1/memory/2824-29-0x0000000000400000-0x00000000009BD000-memory.dmp	family_djvu
behavioral1/memory/2824-44-0x0000000000400000-0x00000000009BD000-memory.dmp	family_djvu
behavioral1/memory/2824-46-0x0000000000400000-0x00000000009BD000-memory.dmp	family_djvu
behavioral1/memory/2824-49-0x0000000000400000-0x00000000009BD000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

2720 icacls.exe

pid	process
2720	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\97f03489-c806-4cfc-9684-ff108b9c0629\\f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe\" --AutoStart"	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.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

3 api.2ip.ua
4 api.2ip.ua
9 api.2ip.ua
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
3	api.2ip.ua
4	api.2ip.ua
9	api.2ip.ua

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exeicacls.exef64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exef64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe

pid	process
1088	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe
1088	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe
2824	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe
2824	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe

description	pid	process	target process
PID 1088 wrote to memory of 2720	1088	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe	icacls.exe
PID 1088 wrote to memory of 2720	1088	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe	icacls.exe
PID 1088 wrote to memory of 2720	1088	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe	icacls.exe
PID 1088 wrote to memory of 2720	1088	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe	icacls.exe
PID 1088 wrote to memory of 2824	1088	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe
PID 1088 wrote to memory of 2824	1088	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe
PID 1088 wrote to memory of 2824	1088	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe
PID 1088 wrote to memory of 2824	1088	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe	f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\icacls.exe
  icacls "C:\Users\Admin\AppData\Local\97f03489-c806-4cfc-9684-ff108b9c0629" /deny *S-1-1-0:(OI)(CI)(DE,DC)
  2⤵
  - Modifies file permissions
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Users\Admin\AppData\Local\Temp\f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Modify Registry

Credential Access

Discovery

System Information Discovery

1

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\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
1KB

MD5
7fb5fa1534dcf77f2125b2403b30a0ee

SHA1
365d96812a69ac0a4611ea4b70a3f306576cc3ea

SHA256
33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

SHA512
a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

Filesize
436B

MD5
971c514f84bba0785f80aa1c23edfd79

SHA1
732acea710a87530c6b08ecdf32a110d254a54c8

SHA256
f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

SHA512
43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
174B

MD5
86489ade2bac6a6a5fe380e9f6ae1638

SHA1
59b9404063db7840483385e67e993c5f796e18a8

SHA256
89ea040973e9635182495f8ee4b5998f6b852a2d083355434894fe6a420a6415

SHA512
2cd38f24df2e3818c72e098b25a3b72b80f1b0791f31e8b272216f482c94f490226eaa0eeca3765a0834bf624b1590ce82db59d6ea6483c6701ff480ad05f0bc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
69a745a52f0e3de53e192129fa3eb2fd

SHA1
2be07e2ba7346e90a986249847a11219f84da6fc

SHA256
36de38e27c0abb7691cf5ddfe4aead8277ecbe722777b87792ae747b580f9067

SHA512
0734671078e782c86e037f352a54b51bc9d53f5efc0d99fcd29ad107bc213a7dc6255f482275396b1f2dc62b4074eebc872b4e3ae3eb0c1637583e1fedfa5cc8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

Filesize
170B

MD5
ff1b90c9db2cd60c56ce29bf5fa0d271

SHA1
e9237b3afd9e4df45acabaa9769fe76036c92869

SHA256
81d114604e8fb04105326f7972d19f750f9cba4075909570f0d51bbb4970f50a

SHA512
fec59ff32839ac8a8bb7b9710af5d4b46cbfe9018a80df38a6b2bce515ce801cfe3a7d48a4d7e0a5256b3797bc1974421d50b7e528d418592932c7b8dbac1cef

Download Submit
C:\Users\Admin\AppData\Local\97f03489-c806-4cfc-9684-ff108b9c0629\f64cf802d1e163260f8ebd224e7b2078_JaffaCakes118.exe

Filesize
854KB

MD5
f64cf802d1e163260f8ebd224e7b2078

SHA1
397ae2240c3f2877b0ae69269d81da9e770d3146

SHA256
312f6abe987e7369d90abd69fde9d48f5d881f96c1e8b348018e20e1b288ca65

SHA512
d52f1b5738a79da9cba75aed81decfcebd27519ee9362bfded8dcf537a4063f8d6d1537dc7b3677dca9e6b6743d1e6c39e52b756b84b4e9ce8cf948e134bf243

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabAE97.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1088-24-0x00000000009C0000-0x0000000000ADA000-memory.dmp

Filesize
1.1MB

Download
memory/1088-0-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/1088-2-0x00000000009C0000-0x0000000000ADA000-memory.dmp

Filesize
1.1MB

Download
memory/1088-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1088-1-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/1088-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1088-23-0x0000000000400000-0x00000000009BD000-memory.dmp

Filesize
5.7MB

Download
memory/2824-29-0x0000000000400000-0x00000000009BD000-memory.dmp

Filesize
5.7MB

Download
memory/2824-28-0x0000000000400000-0x00000000009BD000-memory.dmp

Filesize
5.7MB

Download
memory/2824-27-0x0000000000400000-0x00000000009BD000-memory.dmp

Filesize
5.7MB

Download
memory/2824-26-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/2824-44-0x0000000000400000-0x00000000009BD000-memory.dmp

Filesize
5.7MB

Download
memory/2824-46-0x0000000000400000-0x00000000009BD000-memory.dmp

Filesize
5.7MB

Download
memory/2824-49-0x0000000000400000-0x00000000009BD000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads