bitrat | 892fe797710cbdda052f494e1979a339c14f96220d3d1a7c51d4f28ef47385de

Resubmissions

23-12-2021 11:09

211223-m84m1aadej 10

23-12-2021 08:55

211223-kvgj7sabdn 10

Analysis

max time kernel
156s
max time network
160s
platform
windows10_x64
resource
win10-en-20211208
submitted
23-12-2021 11:09

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General

Target

jogb.exe
Size

2.3MB
MD5

cf11336d198c7034cb4e2a28c04d8898
SHA1

50363fb0351f85d10faa9fd2729129f8753ab60f
SHA256

892fe797710cbdda052f494e1979a339c14f96220d3d1a7c51d4f28ef47385de
SHA512

a35a642a5aaa42b446b480ae63b9cddf3da4ef3720e71e65092ac36c497956cff06587da171145e53b189cb0ff10b65925e21eeb7ba15c38ad8920533099a43c

Score

10^/10

bitrat persistence trojan

Malware Config

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

BitRAT Payload 3 IoCs

resource	yara_rule
behavioral2/memory/3288-123-0x0000000000400000-0x00000000007CE000-memory.dmp	family_bitrat
behavioral2/memory/3288-124-0x000000000068A488-mapping.dmp	family_bitrat
behavioral2/memory/3288-126-0x0000000000400000-0x00000000007CE000-memory.dmp	family_bitrat

Executes dropped EXE 1 IoCs

pid	Process
3288	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\jyw = "\"C:\\Users\\Admin\\AppData\\Roaming\\jyw.exe\""	jogb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3288	InstallUtil.exe
3288	InstallUtil.exe
3288	InstallUtil.exe
3288	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 712 set thread context of 3288	712	jogb.exe	71

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
712	jogb.exe
712	jogb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	712	jogb.exe
Token: SeShutdownPrivilege	3288	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3288	InstallUtil.exe
3288	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 3288	712	jogb.exe	71
PID 712 wrote to memory of 3288	712	jogb.exe	71
PID 712 wrote to memory of 3288	712	jogb.exe	71
PID 712 wrote to memory of 3288	712	jogb.exe	71
PID 712 wrote to memory of 3288	712	jogb.exe	71
PID 712 wrote to memory of 3288	712	jogb.exe	71
PID 712 wrote to memory of 3288	712	jogb.exe	71
PID 712 wrote to memory of 3288	712	jogb.exe	71
PID 712 wrote to memory of 3288	712	jogb.exe	71
PID 712 wrote to memory of 3288	712	jogb.exe	71
PID 712 wrote to memory of 3288	712	jogb.exe	71

C:\Users\Admin\AppData\Local\Temp\jogb.exe
"C:\Users\Admin\AppData\Local\Temp\jogb.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:712
- C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/712-116-0x0000000000A20000-0x0000000000C7A000-memory.dmp

Filesize
2.4MB

Download
memory/712-117-0x0000000000A20000-0x0000000000C7A000-memory.dmp

Filesize
2.4MB

Download
memory/712-118-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/712-119-0x0000000005D30000-0x0000000005F52000-memory.dmp

Filesize
2.1MB

Download
memory/712-120-0x0000000005FC0000-0x0000000006026000-memory.dmp

Filesize
408KB

Download
memory/712-121-0x0000000006850000-0x0000000006D4E000-memory.dmp

Filesize
5.0MB

Download
memory/712-122-0x0000000006350000-0x000000000652C000-memory.dmp

Filesize
1.9MB

Download
memory/3288-123-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3288-126-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download