bitrat | 84c32cb403361a5d8d8117cf941b89c6c819ac453a0e1f411eb5c2952cc35e7c

General

Target

a76da3ab31bd142881d3cc05b3903dba.exe
Size

1.9MB
MD5

a76da3ab31bd142881d3cc05b3903dba
SHA1

8b168865e07098254456c4bde49f0892e42ae2b1
SHA256

84c32cb403361a5d8d8117cf941b89c6c819ac453a0e1f411eb5c2952cc35e7c
SHA512

064a326303e24160ef5a27fa4843d98c1df545e5bcd077b25dfd1abd5cb7ee7a142edf4176a16ff0972ebcaada9604cd23ee14c01251c223336260669a010fff
SSDEEP

24576:CjmjQcndRKZCy2BrhCeU2i2cJijFbCBTPmiY05tJMSQp5ysA7Yg1nLkziEmTxp+x:vQmXDFBU2iIBb0xY/6sUYYRLDIP

Score

10^/10

bitrat trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

79.134.225.90:4898

Attributes

communication_password
7fcc5163240be484c36ebae222f656b3
tor_process
tor

Signatures

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	a76da3ab31bd142881d3cc05b3903dba.exe

Executes dropped EXE 2 IoCs

pid	Process
3564	TxeJrqbFpAA9jft3.exe
5068	6Ec59LVCWlXgX51C.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000200000001f656-4.dat	upx
behavioral2/memory/3564-8-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3564-29-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3564-35-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3564-38-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3564-41-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3564-43-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3564-46-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3564-49-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3564	TxeJrqbFpAA9jft3.exe
3564	TxeJrqbFpAA9jft3.exe
3564	TxeJrqbFpAA9jft3.exe
3564	TxeJrqbFpAA9jft3.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3564	TxeJrqbFpAA9jft3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3564	TxeJrqbFpAA9jft3.exe
3564	TxeJrqbFpAA9jft3.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 3564	5052	a76da3ab31bd142881d3cc05b3903dba.exe	89
PID 5052 wrote to memory of 3564	5052	a76da3ab31bd142881d3cc05b3903dba.exe	89
PID 5052 wrote to memory of 3564	5052	a76da3ab31bd142881d3cc05b3903dba.exe	89
PID 5052 wrote to memory of 5068	5052	a76da3ab31bd142881d3cc05b3903dba.exe	91
PID 5052 wrote to memory of 5068	5052	a76da3ab31bd142881d3cc05b3903dba.exe	91
PID 5052 wrote to memory of 5068	5052	a76da3ab31bd142881d3cc05b3903dba.exe	91

C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba.exe
"C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Users\Admin\AppData\Local\Temp\TxeJrqbFpAA9jft3.exe
  "C:\Users\Admin\AppData\Local\Temp\TxeJrqbFpAA9jft3.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3564
- C:\Users\Admin\AppData\Local\Temp\6Ec59LVCWlXgX51C.exe
  "C:\Users\Admin\AppData\Local\Temp\6Ec59LVCWlXgX51C.exe"
  2⤵
  - Executes dropped EXE
  PID:5068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\6Ec59LVCWlXgX51C.exe

Filesize
219KB

MD5
60ab706a84ebcef719682d1426e04474

SHA1
6911676b3324624935f5717a4243167d61c937d3

SHA256
175fdacc1bf745a3fc9274648cb152b0c15127f1a4441ca0346b9bc66d4acff5

SHA512
a09f224489543d0899561db16415474c5be1b600c7d0e4b01ca5367643559af5a80cdfa29220a091da7664da0edb747b2e6520a693637623756fe47f31936161

Download Submit
C:\Users\Admin\AppData\Local\Temp\TxeJrqbFpAA9jft3.exe

Filesize
1.4MB

MD5
60b16295c2f7b34128b7135af220c142

SHA1
a2211b6e1d2708316c3086398df6d56a52494d5e

SHA256
e8cb7abe387fa940a5b97a00b50f30ddb613dbd31beae4005dee56232c7fb1b8

SHA512
3e0000a5ca8e5e797974145e50ab1213b0d8e4ecfaf38fa711f58c8836f13edd86b93aaf1e70a6f494cf87d676d2598f49f91adcbea66b2ec9816c14b270d996

Download Submit
memory/3564-45-0x000000006FC60000-0x000000006FC99000-memory.dmp

Filesize
228KB

Download
memory/3564-28-0x000000006FC60000-0x000000006FC99000-memory.dmp

Filesize
228KB

Download
memory/3564-49-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3564-48-0x000000006FC60000-0x000000006FC99000-memory.dmp

Filesize
228KB

Download
memory/3564-46-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3564-8-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3564-38-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3564-43-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3564-27-0x000000006FF50000-0x000000006FF89000-memory.dmp

Filesize
228KB

Download
memory/3564-51-0x000000006FC60000-0x000000006FC99000-memory.dmp

Filesize
228KB

Download
memory/3564-29-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3564-42-0x000000006FC60000-0x000000006FC99000-memory.dmp

Filesize
228KB

Download
memory/3564-41-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3564-40-0x000000006FC60000-0x000000006FC99000-memory.dmp

Filesize
228KB

Download
memory/3564-34-0x000000006FC60000-0x000000006FC99000-memory.dmp

Filesize
228KB

Download
memory/3564-35-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3564-37-0x000000006FC60000-0x000000006FC99000-memory.dmp

Filesize
228KB

Download
memory/5068-24-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/5068-33-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/5068-31-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/5068-30-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/5068-26-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/5068-25-0x0000000005060000-0x000000000506A000-memory.dmp

Filesize
40KB

Download
memory/5068-23-0x0000000004FA0000-0x0000000005032000-memory.dmp

Filesize
584KB

Download
memory/5068-22-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/5068-21-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/5068-20-0x00000000005D0000-0x000000000060E000-memory.dmp

Filesize
248KB

Download

Analysis

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