bitrat | 6bb0ee5036962c86db2292f5ccd21d63a22cbb17a6937c0d89b53ea97b77e8e6

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
28-07-2022 05:14

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General

Target

tmp.exe
Size

107KB
MD5

f8a7a4c5d75bfda7dbadf09e3a39e089
SHA1

4527a2ff764c084e55c190d98824ef664a6f1892
SHA256

6bb0ee5036962c86db2292f5ccd21d63a22cbb17a6937c0d89b53ea97b77e8e6
SHA512

54887714264f38063eb6166b3d77ba949ddf2b70d169f5d24fdddadb4cee8572d25031b0bcb0ecaa87deccce7b4449d41e7017debf2db7933598c9f18bd735e1

Score

10^/10

bitrat quasar redline cheat office04 discovery infostealer persistence spyware stealer trojan upx

Malware Config

Extracted

Family

redline

Botnet

cheat

nicehash.at:1338

Attributes

auth_value
8095fccd90c93353aaa1fc77bca0ff3f

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04

nicehash.at:4000

Mutex

dc4bad02-e33b-461d-8bb2-c976586d2ac0

Attributes

encryption_key
51DF8E701C6F05B28BEC40BEB21419EF5FEC8A38
install_name
Client.exe
log_directory
Logs
reconnect_delay
300
startup_key
JavaClient Startup
subdirectory
JavaTools

Extracted

Family

bitrat

Version

1.38

nicehash.at:6000

Attributes

communication_password
74963e9852aafd36ba521fa22b39e244
install_dir
localappdata
install_file
Java.exe
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 7 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\qsr.exe	family_quasar
C:\Users\Admin\AppData\Local\Temp\qsr.exe	family_quasar
C:\Users\Admin\AppData\Local\Temp\qsr.exe	family_quasar
behavioral1/memory/2032-65-0x0000000000D10000-0x0000000000D94000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Roaming\JavaTools\Client.exe	family_quasar
C:\Users\Admin\AppData\Roaming\JavaTools\Client.exe	family_quasar
behavioral1/memory/1964-73-0x0000000001310000-0x0000000001394000-memory.dmp	family_quasar

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1612-54-0x0000000000E80000-0x0000000000EA0000-memory.dmp	family_redline

Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

qsr.exebit.exeClient.exe

pid process

2032 qsr.exe
324 bit.exe
1964 Client.exe

pid	process
2032	qsr.exe
324	bit.exe
1964	Client.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\bit.exe	upx
\Users\Admin\AppData\Local\Temp\bit.exe	upx
\Users\Admin\AppData\Local\Temp\bit.exe	upx
behavioral1/memory/324-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\bit.exe	upx
behavioral1/memory/324-76-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Loads dropped DLL 3 IoCs

Processes:

tmp.exe

pid process

1612 tmp.exe
1612 tmp.exe
1612 tmp.exe
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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1612	tmp.exe
1612	tmp.exe
1612	tmp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bit.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java = "C:\\Users\\Admin\\AppData\\Local\\localappdata\\Java.exe"	bit.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

bit.exe

pid process

324 bit.exe
324 bit.exe
324 bit.exe
324 bit.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1976 schtasks.exe
652 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

tmp.exe

pid process

1612 tmp.exe

pid	process
324	bit.exe
324	bit.exe
324	bit.exe
324	bit.exe

pid	process
1976	schtasks.exe
652	schtasks.exe

pid	process
1612	tmp.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

tmp.exeqsr.exebit.exeClient.exe

description	pid	process
Token: SeDebugPrivilege	1612	tmp.exe
Token: SeDebugPrivilege	2032	qsr.exe
Token: SeDebugPrivilege	324	bit.exe
Token: SeShutdownPrivilege	324	bit.exe
Token: SeDebugPrivilege	1964	Client.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

bit.exeClient.exe

pid process

324 bit.exe
324 bit.exe
1964 Client.exe

pid	process
324	bit.exe
324	bit.exe
1964	Client.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

tmp.exeqsr.exeClient.exe

description	pid	process	target process
PID 1612 wrote to memory of 2032	1612	tmp.exe	qsr.exe
PID 1612 wrote to memory of 2032	1612	tmp.exe	qsr.exe
PID 1612 wrote to memory of 2032	1612	tmp.exe	qsr.exe
PID 1612 wrote to memory of 2032	1612	tmp.exe	qsr.exe
PID 1612 wrote to memory of 324	1612	tmp.exe	bit.exe
PID 1612 wrote to memory of 324	1612	tmp.exe	bit.exe
PID 1612 wrote to memory of 324	1612	tmp.exe	bit.exe
PID 1612 wrote to memory of 324	1612	tmp.exe	bit.exe
PID 2032 wrote to memory of 1976	2032	qsr.exe	schtasks.exe
PID 2032 wrote to memory of 1976	2032	qsr.exe	schtasks.exe
PID 2032 wrote to memory of 1976	2032	qsr.exe	schtasks.exe
PID 2032 wrote to memory of 1964	2032	qsr.exe	Client.exe
PID 2032 wrote to memory of 1964	2032	qsr.exe	Client.exe
PID 2032 wrote to memory of 1964	2032	qsr.exe	Client.exe
PID 1964 wrote to memory of 652	1964	Client.exe	schtasks.exe
PID 1964 wrote to memory of 652	1964	Client.exe	schtasks.exe
PID 1964 wrote to memory of 652	1964	Client.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\qsr.exe
  "C:\Users\Admin\AppData\Local\Temp\qsr.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\system32\schtasks.exe
    "schtasks" /create /tn "JavaClient Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\qsr.exe" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:1976
- - C:\Users\Admin\AppData\Roaming\JavaTools\Client.exe
    "C:\Users\Admin\AppData\Roaming\JavaTools\Client.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1964
  - - C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "JavaClient Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\JavaTools\Client.exe" /rl HIGHEST /f
      4⤵
      Creates scheduled task(s)
      PID:652
- C:\Users\Admin\AppData\Local\Temp\bit.exe
  "C:\Users\Admin\AppData\Local\Temp\bit.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bit.exe

Filesize
1.4MB

MD5
c8fa9d8cf4ff8780466a34d8d5d43594

SHA1
1902971da5e39dccc308207ab77a7e1c987c31cd

SHA256
772f6645c35033bb27c15d96b3c9fc58bc7feca6b06e5a0479157b75987e2214

SHA512
9a87c3fc220fdc6f959fb9a5bfe6b526a003a4d1fd473581ba3d044bdf4cb3fffe531a5b56b87ea243a787da80a10372ff932457f069dd174be9654681f44c03

Download Submit
C:\Users\Admin\AppData\Local\Temp\bit.exe

Filesize
1.4MB

MD5
c8fa9d8cf4ff8780466a34d8d5d43594

SHA1
1902971da5e39dccc308207ab77a7e1c987c31cd

SHA256
772f6645c35033bb27c15d96b3c9fc58bc7feca6b06e5a0479157b75987e2214

SHA512
9a87c3fc220fdc6f959fb9a5bfe6b526a003a4d1fd473581ba3d044bdf4cb3fffe531a5b56b87ea243a787da80a10372ff932457f069dd174be9654681f44c03

Download Submit
C:\Users\Admin\AppData\Local\Temp\qsr.exe

Filesize
502KB

MD5
63ff62dafb5b4bed02a24c9738bbd899

SHA1
b255bbb04d6166aa173ca5b447ef53ab46f53cb2

SHA256
754a413b433a1f829bd215bfcd26d3a1e0cbdb09a7c3b8586e3d9d19bd4d7ed0

SHA512
77e1cbb6d897497590f778e2efd66f895c01df35f1348d084aee513225760c702ff1d3ae45a631ec3868a19a8bb3aa5ef93c2e234002c7b7f9175891ce1992fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\qsr.exe

Filesize
502KB

MD5
63ff62dafb5b4bed02a24c9738bbd899

SHA1
b255bbb04d6166aa173ca5b447ef53ab46f53cb2

SHA256
754a413b433a1f829bd215bfcd26d3a1e0cbdb09a7c3b8586e3d9d19bd4d7ed0

SHA512
77e1cbb6d897497590f778e2efd66f895c01df35f1348d084aee513225760c702ff1d3ae45a631ec3868a19a8bb3aa5ef93c2e234002c7b7f9175891ce1992fc

Download Submit
C:\Users\Admin\AppData\Roaming\JavaTools\Client.exe

Filesize
502KB

MD5
63ff62dafb5b4bed02a24c9738bbd899

SHA1
b255bbb04d6166aa173ca5b447ef53ab46f53cb2

SHA256
754a413b433a1f829bd215bfcd26d3a1e0cbdb09a7c3b8586e3d9d19bd4d7ed0

SHA512
77e1cbb6d897497590f778e2efd66f895c01df35f1348d084aee513225760c702ff1d3ae45a631ec3868a19a8bb3aa5ef93c2e234002c7b7f9175891ce1992fc

Download Submit
C:\Users\Admin\AppData\Roaming\JavaTools\Client.exe

Filesize
502KB

MD5
63ff62dafb5b4bed02a24c9738bbd899

SHA1
b255bbb04d6166aa173ca5b447ef53ab46f53cb2

SHA256
754a413b433a1f829bd215bfcd26d3a1e0cbdb09a7c3b8586e3d9d19bd4d7ed0

SHA512
77e1cbb6d897497590f778e2efd66f895c01df35f1348d084aee513225760c702ff1d3ae45a631ec3868a19a8bb3aa5ef93c2e234002c7b7f9175891ce1992fc

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

Filesize
1.4MB

MD5
c8fa9d8cf4ff8780466a34d8d5d43594

SHA1
1902971da5e39dccc308207ab77a7e1c987c31cd

SHA256
772f6645c35033bb27c15d96b3c9fc58bc7feca6b06e5a0479157b75987e2214

SHA512
9a87c3fc220fdc6f959fb9a5bfe6b526a003a4d1fd473581ba3d044bdf4cb3fffe531a5b56b87ea243a787da80a10372ff932457f069dd174be9654681f44c03

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

Filesize
1.4MB

MD5
c8fa9d8cf4ff8780466a34d8d5d43594

SHA1
1902971da5e39dccc308207ab77a7e1c987c31cd

SHA256
772f6645c35033bb27c15d96b3c9fc58bc7feca6b06e5a0479157b75987e2214

SHA512
9a87c3fc220fdc6f959fb9a5bfe6b526a003a4d1fd473581ba3d044bdf4cb3fffe531a5b56b87ea243a787da80a10372ff932457f069dd174be9654681f44c03

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

Filesize
502KB

MD5
63ff62dafb5b4bed02a24c9738bbd899

SHA1
b255bbb04d6166aa173ca5b447ef53ab46f53cb2

SHA256
754a413b433a1f829bd215bfcd26d3a1e0cbdb09a7c3b8586e3d9d19bd4d7ed0

SHA512
77e1cbb6d897497590f778e2efd66f895c01df35f1348d084aee513225760c702ff1d3ae45a631ec3868a19a8bb3aa5ef93c2e234002c7b7f9175891ce1992fc

Download Submit
memory/324-76-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/324-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/324-62-0x0000000000000000-mapping.dmp

Download
memory/652-75-0x0000000000000000-mapping.dmp

Download
memory/1612-54-0x0000000000E80000-0x0000000000EA0000-memory.dmp

Filesize
128KB

Download
memory/1612-55-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

Download
memory/1964-70-0x0000000000000000-mapping.dmp

Download
memory/1964-73-0x0000000001310000-0x0000000001394000-memory.dmp

Filesize
528KB

Download
memory/1976-69-0x0000000000000000-mapping.dmp

Download
memory/2032-67-0x000007FEFC4E1000-0x000007FEFC4E3000-memory.dmp

Filesize
8KB

Download
memory/2032-65-0x0000000000D10000-0x0000000000D94000-memory.dmp

Filesize
528KB

Download
memory/2032-57-0x0000000000000000-mapping.dmp

Download