gozi | cfe1d9dc49f236e9d5af23894754f02d54ca6bb0633c727d61d75d0fd5f044ae

General

Target

45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe
Size

2.3MB
MD5

edd32c3b0fc3959e3107138c5702048d
SHA1

a47bc0baf9bda8cc8a8eeaddc450f03fba95d86f
SHA256

45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5
SHA512

1e48d2202bd5ba4de65619ee940b6eb58aeeecee834753a3d6d32ee8a862fb2f3fafdfb83d1cf85b799a370f2bb25b2eb56753fbb6239c46e57acc3450a6d7f1
SSDEEP

49152:IZZB+i6YHZXv8QLEBsghFWVrzxWY6tNCMKxaq70+py0fnIHBeD6ST127I:IL0PY9v82EKYbHTC3xa40ynIHBo6Ue

Score

10^/10

gozi xmrig banker discovery isfb miner trojan upx

Malware Config

Extracted

Family

gozi

Signatures

Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 9 IoCs

miner

resource	yara_rule
behavioral1/memory/2628-2-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/2628-16-0x0000000003560000-0x0000000003872000-memory.dmp	xmrig
behavioral1/memory/2628-14-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1528-19-0x0000000000400000-0x0000000000593000-memory.dmp	xmrig
behavioral1/memory/1528-24-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/1528-27-0x00000000030A0000-0x0000000003233000-memory.dmp	xmrig
behavioral1/memory/1528-34-0x00000000005A0000-0x000000000071F000-memory.dmp	xmrig
behavioral1/memory/1528-35-0x0000000000400000-0x0000000000587000-memory.dmp	xmrig
behavioral1/memory/2628-36-0x0000000003560000-0x0000000003872000-memory.dmp	xmrig

Deletes itself 1 IoCs

pid	Process
1528	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe

Executes dropped EXE 1 IoCs

pid	Process
1528	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe

Loads dropped DLL 1 IoCs

pid	Process
2628	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2628-0-0x0000000000400000-0x0000000000712000-memory.dmp	upx
behavioral1/memory/2628-16-0x0000000003560000-0x0000000003872000-memory.dmp	upx
behavioral1/files/0x000b00000001227c-15.dat	upx
behavioral1/memory/1528-17-0x0000000000400000-0x0000000000712000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2628	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2628	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe
1528	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 1528	2628	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe	32
PID 2628 wrote to memory of 1528	2628	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe	32
PID 2628 wrote to memory of 1528	2628	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe	32
PID 2628 wrote to memory of 1528	2628	45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe	32

C:\Users\Admin\AppData\Local\Temp\45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe
"C:\Users\Admin\AppData\Local\Temp\45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Users\Admin\AppData\Local\Temp\45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe
  C:\Users\Admin\AppData\Local\Temp\45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:1528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\45bb2895446acbb6ca7e7668a467cec5849dfa369ca5a3a5bb3b5364816911d5.exe

Filesize
784KB

MD5
68fad38b5493861983a0c87883757dcc

SHA1
b47c1a83a27b1e958f545ff94786737825688adc

SHA256
a9228b305c8eb50ea10f6d1a543e2055c957c8424927b6de99642c3062160a92

SHA512
4023c4b52017ae07502d844d6284f2ab1016901b3c683713a98f753b1939c724082ef61867a6165614922318744f09f73f6d8bc359fd126f67f2cd7cd8310834

Download Submit
memory/1528-24-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/1528-17-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/1528-18-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/1528-19-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/1528-27-0x00000000030A0000-0x0000000003233000-memory.dmp

Filesize
1.6MB

Download
memory/1528-34-0x00000000005A0000-0x000000000071F000-memory.dmp

Filesize
1.5MB

Download
memory/1528-35-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2628-2-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2628-16-0x0000000003560000-0x0000000003872000-memory.dmp

Filesize
3.1MB

Download
memory/2628-1-0x00000000018B0000-0x0000000001974000-memory.dmp

Filesize
784KB

Download
memory/2628-14-0x0000000000400000-0x0000000000593000-memory.dmp

Filesize
1.6MB

Download
memory/2628-0-0x0000000000400000-0x0000000000712000-memory.dmp

Filesize
3.1MB

Download
memory/2628-36-0x0000000003560000-0x0000000003872000-memory.dmp

Filesize
3.1MB

Download

Analysis

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