modiloader | 672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f

General

Target

672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe
Size

100KB
MD5

9afd51a83db933c59a7e162d2761171c
SHA1

bab898b312a7cf2ddbf221733721442d2a472f16
SHA256

672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f
SHA512

bdfa32876acb46f8e6a8d992044522f549b1fee2f9880c75b15cc451631597cbace6b69efcccb76711b7f2590a3581c44e61079d8535e7a41e35e1d43f3d9a13
SSDEEP

3072:l4URpNUUX6z/DBXJfKzNWE8S1Kq0IN8xX58Zt9m+KuO:l4SUjhtbmgqUX58Zt9m+Kh

Score

10^/10

modiloader persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/440-139-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/440-143-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1432-153-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1432-154-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2352	cissv.exe
1432	cissv.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/440-136-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/440-138-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/440-139-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/440-143-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1432-152-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1432-153-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1432-154-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe

Loads dropped DLL 4 IoCs

pid	Process
476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe
476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe
2352	cissv.exe
2352	cissv.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cissv = "C:\\Users\\Admin\\AppData\\Roaming\\cissv.exe"	cissv.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 476 set thread context of 440	476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	78
PID 2352 set thread context of 1432	2352	cissv.exe	87

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

System Information Discovery
T1082

NSIS installer 6 IoCs

installer

resource	yara_rule
behavioral2/files/0x000400000001e41e-142.dat	nsis_installer_1
behavioral2/files/0x000400000001e41e-142.dat	nsis_installer_2
behavioral2/files/0x000400000001e41e-141.dat	nsis_installer_1
behavioral2/files/0x000400000001e41e-141.dat	nsis_installer_2
behavioral2/files/0x000400000001e41e-150.dat	nsis_installer_1
behavioral2/files/0x000400000001e41e-150.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 476 wrote to memory of 440	476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	78
PID 476 wrote to memory of 440	476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	78
PID 476 wrote to memory of 440	476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	78
PID 476 wrote to memory of 440	476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	78
PID 476 wrote to memory of 440	476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	78
PID 476 wrote to memory of 440	476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	78
PID 476 wrote to memory of 440	476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	78
PID 476 wrote to memory of 440	476	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	78
PID 440 wrote to memory of 2352	440	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	81
PID 440 wrote to memory of 2352	440	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	81
PID 440 wrote to memory of 2352	440	672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe	81
PID 2352 wrote to memory of 1432	2352	cissv.exe	87
PID 2352 wrote to memory of 1432	2352	cissv.exe	87
PID 2352 wrote to memory of 1432	2352	cissv.exe	87
PID 2352 wrote to memory of 1432	2352	cissv.exe	87
PID 2352 wrote to memory of 1432	2352	cissv.exe	87
PID 2352 wrote to memory of 1432	2352	cissv.exe	87
PID 2352 wrote to memory of 1432	2352	cissv.exe	87
PID 2352 wrote to memory of 1432	2352	cissv.exe	87

C:\Users\Admin\AppData\Local\Temp\672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe
"C:\Users\Admin\AppData\Local\Temp\672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:476
- C:\Users\Admin\AppData\Local\Temp\672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe
  "C:\Users\Admin\AppData\Local\Temp\672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:440
- - C:\Users\Admin\AppData\Roaming\cissv.exe
    "C:\Users\Admin\AppData\Roaming\cissv.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2352
  - - C:\Users\Admin\AppData\Roaming\cissv.exe
      "C:\Users\Admin\AppData\Roaming\cissv.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      PID:1432

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\eccentricity\cullers.cct

Filesize
18KB

MD5
f9f8ff26cab1d311364f8687c6984d7f

SHA1
927458c8e46c349d546794ce5f734a632ea7765c

SHA256
cfdbda8d9de870b6a9bea77c4970c2df50f40c0897f3451d802ca7a01ad856bc

SHA512
8b52a5c142c13a333441d439d9eafd40441c76bcf6384d385fed2ff41d6ac86764ff3d9affa917e70917bccbf77c3d2c764ca3f1ae737bfcf6dd0e42877b208e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nslE296.tmp\opals.dll

Filesize
67KB

MD5
493cf0f265ea7e90bc3aab5daebed560

SHA1
1ae2744ea9f4698a14c7a3704b80e74ca3a0a198

SHA256
814d634c09c0cac0b4d77395591ea1143028ce39b9f4fff3c38e1ac9f5518817

SHA512
856e42602e5ecadfb89cf41390ad6615979c1aae8bb43a96587c8e8380c838f831820d364748448b6516d695f4005ec139b8571777ac472ba6c8ef4b44224e5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nslE296.tmp\opals.dll

Filesize
67KB

MD5
493cf0f265ea7e90bc3aab5daebed560

SHA1
1ae2744ea9f4698a14c7a3704b80e74ca3a0a198

SHA256
814d634c09c0cac0b4d77395591ea1143028ce39b9f4fff3c38e1ac9f5518817

SHA512
856e42602e5ecadfb89cf41390ad6615979c1aae8bb43a96587c8e8380c838f831820d364748448b6516d695f4005ec139b8571777ac472ba6c8ef4b44224e5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nswBE54.tmp\opals.dll

Filesize
67KB

MD5
493cf0f265ea7e90bc3aab5daebed560

SHA1
1ae2744ea9f4698a14c7a3704b80e74ca3a0a198

SHA256
814d634c09c0cac0b4d77395591ea1143028ce39b9f4fff3c38e1ac9f5518817

SHA512
856e42602e5ecadfb89cf41390ad6615979c1aae8bb43a96587c8e8380c838f831820d364748448b6516d695f4005ec139b8571777ac472ba6c8ef4b44224e5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nswBE54.tmp\opals.dll

Filesize
67KB

MD5
493cf0f265ea7e90bc3aab5daebed560

SHA1
1ae2744ea9f4698a14c7a3704b80e74ca3a0a198

SHA256
814d634c09c0cac0b4d77395591ea1143028ce39b9f4fff3c38e1ac9f5518817

SHA512
856e42602e5ecadfb89cf41390ad6615979c1aae8bb43a96587c8e8380c838f831820d364748448b6516d695f4005ec139b8571777ac472ba6c8ef4b44224e5e

Download Submit
C:\Users\Admin\AppData\Roaming\cissv.exe

Filesize
100KB

MD5
9afd51a83db933c59a7e162d2761171c

SHA1
bab898b312a7cf2ddbf221733721442d2a472f16

SHA256
672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f

SHA512
bdfa32876acb46f8e6a8d992044522f549b1fee2f9880c75b15cc451631597cbace6b69efcccb76711b7f2590a3581c44e61079d8535e7a41e35e1d43f3d9a13

Download Submit
C:\Users\Admin\AppData\Roaming\cissv.exe

Filesize
100KB

MD5
9afd51a83db933c59a7e162d2761171c

SHA1
bab898b312a7cf2ddbf221733721442d2a472f16

SHA256
672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f

SHA512
bdfa32876acb46f8e6a8d992044522f549b1fee2f9880c75b15cc451631597cbace6b69efcccb76711b7f2590a3581c44e61079d8535e7a41e35e1d43f3d9a13

Download Submit
C:\Users\Admin\AppData\Roaming\cissv.exe

Filesize
100KB

MD5
9afd51a83db933c59a7e162d2761171c

SHA1
bab898b312a7cf2ddbf221733721442d2a472f16

SHA256
672a21757114fbce100943171c6814795144a9ffd7a9f0ad8b799bdf79ccb50f

SHA512
bdfa32876acb46f8e6a8d992044522f549b1fee2f9880c75b15cc451631597cbace6b69efcccb76711b7f2590a3581c44e61079d8535e7a41e35e1d43f3d9a13

Download Submit
memory/440-143-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/440-139-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/440-138-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/440-136-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/476-134-0x0000000002290000-0x00000000022AA000-memory.dmp

Filesize
104KB

Download
memory/1432-152-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1432-153-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1432-154-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2352-147-0x0000000002080000-0x000000000209A000-memory.dmp

Filesize
104KB

Download

Analysis

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