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

Executes dropped EXE 2 IoCs

pid	Process
2948	xnfBBfxqFJ8PPsjp.exe
2544	xnfBBfxqFJ8PPsjp.exe

Loads dropped DLL 8 IoCs

pid	Process
1664	a76da3ab31bd142881d3cc05b3903dba.exe
1664	a76da3ab31bd142881d3cc05b3903dba.exe
1664	a76da3ab31bd142881d3cc05b3903dba.exe
1664	a76da3ab31bd142881d3cc05b3903dba.exe
1664	a76da3ab31bd142881d3cc05b3903dba.exe
1664	a76da3ab31bd142881d3cc05b3903dba.exe
1664	a76da3ab31bd142881d3cc05b3903dba.exe
1664	a76da3ab31bd142881d3cc05b3903dba.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000b00000001224c-2.dat	upx
behavioral1/files/0x000b00000001224c-17.dat	upx
behavioral1/files/0x000b00000001224c-27.dat	upx
behavioral1/files/0x000b00000001224c-24.dat	upx
behavioral1/files/0x000b00000001224c-29.dat	upx
behavioral1/files/0x000b00000001224c-19.dat	upx
behavioral1/memory/2948-31-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2544-32-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2948-33-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2544-34-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2544-36-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2544-38-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2544-39-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2544-41-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2544-43-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2544-44-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2544-46-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2544-47-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
2948	xnfBBfxqFJ8PPsjp.exe
2544	xnfBBfxqFJ8PPsjp.exe
2544	xnfBBfxqFJ8PPsjp.exe
2544	xnfBBfxqFJ8PPsjp.exe
2544	xnfBBfxqFJ8PPsjp.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	xnfBBfxqFJ8PPsjp.exe
Token: SeShutdownPrivilege	2544	xnfBBfxqFJ8PPsjp.exe
Token: SeDebugPrivilege	2948	xnfBBfxqFJ8PPsjp.exe
Token: SeShutdownPrivilege	2948	xnfBBfxqFJ8PPsjp.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2544	xnfBBfxqFJ8PPsjp.exe
2544	xnfBBfxqFJ8PPsjp.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 2948	1664	a76da3ab31bd142881d3cc05b3903dba.exe	28
PID 1664 wrote to memory of 2948	1664	a76da3ab31bd142881d3cc05b3903dba.exe	28
PID 1664 wrote to memory of 2948	1664	a76da3ab31bd142881d3cc05b3903dba.exe	28
PID 1664 wrote to memory of 2948	1664	a76da3ab31bd142881d3cc05b3903dba.exe	28
PID 1664 wrote to memory of 2544	1664	a76da3ab31bd142881d3cc05b3903dba.exe	29
PID 1664 wrote to memory of 2544	1664	a76da3ab31bd142881d3cc05b3903dba.exe	29
PID 1664 wrote to memory of 2544	1664	a76da3ab31bd142881d3cc05b3903dba.exe	29
PID 1664 wrote to memory of 2544	1664	a76da3ab31bd142881d3cc05b3903dba.exe	29

C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba.exe
"C:\Users\Admin\AppData\Local\Temp\a76da3ab31bd142881d3cc05b3903dba.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Users\Admin\AppData\Local\Temp\xnfBBfxqFJ8PPsjp.exe
  "C:\Users\Admin\AppData\Local\Temp\xnfBBfxqFJ8PPsjp.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  PID:2948
- C:\Users\Admin\AppData\Local\Temp\xnfBBfxqFJ8PPsjp.exe
  "C:\Users\Admin\AppData\Local\Temp\xnfBBfxqFJ8PPsjp.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\xnfBBfxqFJ8PPsjp.exe

Filesize
1.3MB

MD5
bca8f43443eefe824341b94aba6a9e61

SHA1
7f5a85570f1ba357e7e4a9ed7f1525a7776e9dc8

SHA256
94321a9ec863601306b943677edaccfb910b783e71d92d397d71d63c54dc52d5

SHA512
ac48d828991fae0a88dfda889d066c7b63fcbab640146da4b1be3f0b4172689bb15bf2283654cdf09f5c77779ed1cc2977f7dbe9fb3dd285b5a3d1d4b41a1755

Download Submit
\Users\Admin\AppData\Local\Temp\xnfBBfxqFJ8PPsjp.exe

Filesize
1.3MB

MD5
89e05083a781b0da139be7968882e157

SHA1
35026e92196d8af8c5f8b1c32cecdd49e6a48eeb

SHA256
1a43525ceb341d1eac479fa357c3348e993a936942a0bde6cf2c4d1db10e14bf

SHA512
1183144007c24c4ff04c7ca1ba4349937cd66041e66bfc9d2ab95ebf9ef21c3be206c49b43e56f75d5bac1dd7dafd50f9f4a894bbb271fd4d6414a2a24a4410a

Download Submit
\Users\Admin\AppData\Local\Temp\xnfBBfxqFJ8PPsjp.exe

Filesize
1.3MB

MD5
adfe8ba7513933b17aeab29dcebb7a28

SHA1
a2b3978dc7f65fb4f27f9d84cc5317d48ac1f3ef

SHA256
4b958ae86fecfd8293999a5b26b1c452553b577378446da3aa44c822f6adf3af

SHA512
9b359a4b365226ef848e400258ac6ca0cb87d9e5f6f9f88c01a2bbdaea2aa9223f42701de41ca7af8ebea707d90504d47794dd0dcfa2578f5b4c9d6358ad643e

Download Submit
\Users\Admin\AppData\Local\Temp\xnfBBfxqFJ8PPsjp.exe

Filesize
1.4MB

MD5
60b16295c2f7b34128b7135af220c142

SHA1
a2211b6e1d2708316c3086398df6d56a52494d5e

SHA256
e8cb7abe387fa940a5b97a00b50f30ddb613dbd31beae4005dee56232c7fb1b8

SHA512
3e0000a5ca8e5e797974145e50ab1213b0d8e4ecfaf38fa711f58c8836f13edd86b93aaf1e70a6f494cf87d676d2598f49f91adcbea66b2ec9816c14b270d996

Download Submit
\Users\Admin\AppData\Local\Temp\xnfBBfxqFJ8PPsjp.exe

Filesize
1.2MB

MD5
e994efb288fb7877c343fa69961ca1e7

SHA1
bb18da7687ceda8501a6f3ded82ab3dc043d937d

SHA256
0b57f6e4d543d65d30c50310bf7bd351aaf8694c11e3692cd85814233bf30cba

SHA512
57820580d8689ff2ce13bbce92aba9bc5374e97abde1686a429b5ff3d83feec942d8f302afb5b67478c508074dc1cf622cc7bf5302c5dd7a0e17e5de9cd052fb

Download Submit
\Users\Admin\AppData\Local\Temp\xnfBBfxqFJ8PPsjp.exe

Filesize
1.0MB

MD5
4dd5513968ea9f84684a2c9891d60464

SHA1
6b7f7276afbbd458cb2e519e432b5839002c5090

SHA256
0dcaf4bf4b650c472b14c6940588e91e656cad706b0310c218a23fd717cfeef3

SHA512
f17b046fa5aa211b1ae2ca1521194e87f81d80d3b8ff9e70d3c2fb7ccbcbfd62cba654c30a32a64f0544c8810d25518baf559f94d7c7f67d4f1979d1c8847adc

Download Submit
memory/1664-8-0x0000000002B80000-0x0000000002F64000-memory.dmp

Filesize
3.9MB

Download
memory/1664-30-0x0000000002B80000-0x0000000002F64000-memory.dmp

Filesize
3.9MB

Download
memory/2544-41-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2544-32-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2544-34-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2544-36-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2544-38-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2544-39-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2544-43-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2544-44-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2544-46-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2544-47-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2948-33-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2948-31-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download

Analysis

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